From b3f881a54c8cb417645de67ee9e18fe6b23e21cc Mon Sep 17 00:00:00 2001 From: John McMaster Date: Thu, 23 Aug 2018 18:18:36 -0700 Subject: [PATCH 01/55] timfuz: rref test Signed-off-by: John McMaster --- experiments/timfuz/.gitignore | 9 + experiments/timfuz/Makefile | 22 + experiments/timfuz/README.txt | 71 + experiments/timfuz/benchmark.py | 71 + experiments/timfuz/generate.sh | 9 + experiments/timfuz/generate.tcl | 279 +++ experiments/timfuz/node_unique.py | 99 + experiments/timfuz/oneblinkw.v | 37 + experiments/timfuz/picorv32.v | 2977 +++++++++++++++++++++++ experiments/timfuz/pip_unique.py | 89 + experiments/timfuz/placelut.py | 91 + experiments/timfuz/placelut_fb.py | 103 + experiments/timfuz/placelut_ff_fb.py | 126 + experiments/timfuz/speed.sh | 8 + experiments/timfuz/speed.tcl | 182 ++ experiments/timfuz/speed_json.py | 98 + experiments/timfuz/timfuz.py | 819 +++++++ experiments/timfuz/timfuz_checksub.py | 259 ++ experiments/timfuz/timfuz_corner_csv.py | 60 + experiments/timfuz/timfuz_csv.py | 272 +++ experiments/timfuz/timfuz_rref.py | 206 ++ experiments/timfuz/timfuz_solve.py | 98 + experiments/timfuz/top.v | 109 + experiments/timfuz/wire_unique.py | 92 + 24 files changed, 6186 insertions(+) create mode 100644 experiments/timfuz/.gitignore create mode 100644 experiments/timfuz/Makefile create mode 100644 experiments/timfuz/README.txt create mode 100644 experiments/timfuz/benchmark.py create mode 100755 experiments/timfuz/generate.sh create mode 100644 experiments/timfuz/generate.tcl create mode 100644 experiments/timfuz/node_unique.py create mode 100644 experiments/timfuz/oneblinkw.v create mode 100644 experiments/timfuz/picorv32.v create mode 100644 experiments/timfuz/pip_unique.py create mode 100644 experiments/timfuz/placelut.py create mode 100644 experiments/timfuz/placelut_fb.py create mode 100644 experiments/timfuz/placelut_ff_fb.py create mode 100755 experiments/timfuz/speed.sh create mode 100644 experiments/timfuz/speed.tcl create mode 100644 experiments/timfuz/speed_json.py create mode 100644 experiments/timfuz/timfuz.py create mode 100644 experiments/timfuz/timfuz_checksub.py create mode 100644 experiments/timfuz/timfuz_corner_csv.py create mode 100644 experiments/timfuz/timfuz_csv.py create mode 100644 experiments/timfuz/timfuz_rref.py create mode 100644 experiments/timfuz/timfuz_solve.py create mode 100644 experiments/timfuz/top.v create mode 100644 experiments/timfuz/wire_unique.py diff --git a/experiments/timfuz/.gitignore b/experiments/timfuz/.gitignore new file mode 100644 index 00000000..d0d215d0 --- /dev/null +++ b/experiments/timfuz/.gitignore @@ -0,0 +1,9 @@ +/.Xil +/design/ +/design.bit +/design.bits +/design.dcp +/usage_statistics_webtalk.* +/vivado* +/specimen_* +build_speed diff --git a/experiments/timfuz/Makefile b/experiments/timfuz/Makefile new file mode 100644 index 00000000..8da96c3f --- /dev/null +++ b/experiments/timfuz/Makefile @@ -0,0 +1,22 @@ +N := 1 +SPECIMENS := $(addprefix specimen_,$(shell seq -f '%03.0f' $(N))) +SPECIMENS_OK := $(addsuffix /OK,$(SPECIMENS)) + +all: $(SPECIMENS_OK) + #python timfuz.py specimen_*/timing.txt + +$(SPECIMENS_OK): + bash generate.sh $(subst /OK,,$@) + touch $@ + +run: + $(MAKE) clean + $(MAKE) all + touch run.ok + +clean: + rm -rf specimen_[0-9][0-9][0-9]/ seg_clblx.segbits __pycache__ run.ok + rm -rf vivado*.log vivado_*.str vivado*.jou design *.bits *.dcp *.bit + +.PHONY: database pushdb run clean + diff --git a/experiments/timfuz/README.txt b/experiments/timfuz/README.txt new file mode 100644 index 00000000..5d37ec78 --- /dev/null +++ b/experiments/timfuz/README.txt @@ -0,0 +1,71 @@ +Timing analysis fuzzer +This runs some random designs through Vivado and extracts timing information in order to derive timing models +While Vivado has more involved RC (spice?) models incorporating fanout and other things, +for now we are shooting for simple, conservative models with a min and max timing delay + + +******************************************************************************* +Background +******************************************************************************* + +Vivado seems to associate each delay model with a "speed index" +In particular, we are currently looking at pips and wires, each of which have a speed index associated with them +For every timeing path, we record the total delay from one site to another, excluding site delays +(timing analyzer provides an option to make this easy) +We then walk along the path and record all wires and pips in between +These are converted to their associated speed indexes +This gives an equation that a series of speed indexes was given a certain delay value +These equations are then fed into scipy.optimize.linprog to give estimates for the delay models + +However, there are some complications. For example: +Given a system of equations like: +t0 = 5 +t0 + t1 = 10 +t0 + t1 + t2 = 12 +The solver puts all the delays in t0 +To get around this, we subtract equations from each other + +Some additional info here: https://github.com/SymbiFlow/prjxray/wiki/Timing + + +******************************************************************************* +Quick start +******************************************************************************* + +./speed.sh +python timfuz_delay.py --cols-max 9 timfuz_dat/s1_timing2.txt +Which will report something like +Delay on 36 / 162 + +Now add some more data in: +python timfuz_delay.py --cols-max 9 timfuz_dat/speed_json.json timfuz_dat/s*_timing2.txt +Which should get a few more delay elements, say: +Delay on 57 / 185 + + +******************************************************************************* +From scratch +******************************************************************************* + +Roughly something like this +Edit generate.tcl +Uncomment speed_models2 +Run "make N=1" +python speed_json.py specimen_001/speed_model.txt speed_json.json +Edit generate.tcl +Comment speed_models2 +Run "make N=4" to generate some more timing data +Now run as in the quick start +python timfuz_delay.py --cols-max 9 speed_json.json specimen_*/timing2.txt + + +******************************************************************************* +TODO: +******************************************************************************* + +Verify elements are being imported correctly throughout the whole chain +Can any wires or similar be aggregated? + Ex: if a node consisents of two wire delay models and that pair is never seen elsewhere +Look at virtual switchboxes. Can these be removed? +Look at suspicous elements like WIRE_RC_ZERO + diff --git a/experiments/timfuz/benchmark.py b/experiments/timfuz/benchmark.py new file mode 100644 index 00000000..6da3e132 --- /dev/null +++ b/experiments/timfuz/benchmark.py @@ -0,0 +1,71 @@ +''' +pr0ntools +Benchmarking utility +Copyright 2010 John McMaster +''' + +import time + +def time_str(delta): + fraction = delta % 1 + delta -= fraction + delta = int(delta) + seconds = delta % 60 + delta /= 60 + minutes = delta % 60 + delta /= 60 + hours = delta + return '%02d:%02d:%02d.%04d' % (hours, minutes, seconds, fraction * 10000) + +class Benchmark: + start_time = None + end_time = None + + def __init__(self, max_items = None): + # For the lazy + self.start_time = time.time() + self.end_time = None + self.max_items = max_items + self.cur_items = 0 + + def start(self): + self.start_time = time.time() + self.end_time = None + self.cur_items = 0 + + def stop(self): + self.end_time = time.time() + + def advance(self, n = 1): + self.cur_items += n + + def set_cur_items(self, n): + self.cur_items = n + + def delta_s(self): + if self.end_time: + return self.end_time - self.start_time + else: + return time.time() - self.start_time + + def __str__(self): + if self.end_time: + return time_str(self.end_time - self.start_time) + elif self.max_items: + cur_time = time.time() + delta_t = cur_time - self.start_time + rate_s = 'N/A' + if delta_t > 0.000001: + rate = self.cur_items / (delta_t) + rate_s = '%f items / sec' % rate + if rate == 0: + eta_str = 'inf' + else: + remaining = (self.max_items - self.cur_items) / rate + eta_str = time_str(remaining) + else: + eta_str = "indeterminate" + return '%d / %d, ETA: %s @ %s' % (self.cur_items, self.max_items, eta_str, rate_s) + else: + return time_str(time.time() - self.start_time) + diff --git a/experiments/timfuz/generate.sh b/experiments/timfuz/generate.sh new file mode 100755 index 00000000..eebd0388 --- /dev/null +++ b/experiments/timfuz/generate.sh @@ -0,0 +1,9 @@ +#!/bin/bash + +set -ex + +source ${XRAY_GENHEADER} + +python ../placelut_ff_fb.py --sdx 4 --sdy 4 >placelut.v +vivado -mode batch -source ../generate.tcl + diff --git a/experiments/timfuz/generate.tcl b/experiments/timfuz/generate.tcl new file mode 100644 index 00000000..a2e76c71 --- /dev/null +++ b/experiments/timfuz/generate.tcl @@ -0,0 +1,279 @@ +source ../../../utils/utils.tcl + +proc pin_info {pin} { + set cell [get_cells -of_objects $pin] + set bel [get_bels -of_objects $cell] + set site [get_sites -of_objects $bel] + return "$site $bel" +} + +proc pin_bel {pin} { + set cell [get_cells -of_objects $pin] + set bel [get_bels -of_objects $cell] + return $bel +} + +proc build_design {} { + create_project -force -part $::env(XRAY_PART) design design + #read_verilog ../top.v + #read_verilog ../picorv32.v + #read_verilog ../oneblinkw.v + read_verilog placelut.v + synth_design -top top + + puts "Locking pins" + set_property LOCK_PINS {I0:A1 I1:A2 I2:A3 I3:A4 I4:A5 I5:A6} \ + [get_cells -quiet -filter {REF_NAME == LUT6} -hierarchical] + + puts "Package stuff" + set_property -dict "PACKAGE_PIN $::env(XRAY_PIN_00) IOSTANDARD LVCMOS33" [get_ports clk] + set_property -dict "PACKAGE_PIN $::env(XRAY_PIN_01) IOSTANDARD LVCMOS33" [get_ports stb] + set_property -dict "PACKAGE_PIN $::env(XRAY_PIN_02) IOSTANDARD LVCMOS33" [get_ports di] + set_property -dict "PACKAGE_PIN $::env(XRAY_PIN_03) IOSTANDARD LVCMOS33" [get_ports do] + + if {0 < 0} { + puts "pblocking" + create_pblock roi + set roipb [get_pblocks roi] + set_property EXCLUDE_PLACEMENT 1 $roipb + add_cells_to_pblock $roipb [get_cells roi] + resize_pblock $roipb -add "$::env(XRAY_ROI)" + + puts "randplace" + randplace_pblock 150 $roipb + } + + set_property CFGBVS VCCO [current_design] + set_property CONFIG_VOLTAGE 3.3 [current_design] + set_property BITSTREAM.GENERAL.PERFRAMECRC YES [current_design] + + puts "dedicated route" + set_property CLOCK_DEDICATED_ROUTE FALSE [get_nets clk_IBUF] + + place_design + + + route_design + + write_checkpoint -force design.dcp + # disable combinitorial loop + # set_property IS_ENABLED 0 [get_drc_checks {LUTLP-1}] + #write_bitstream -force design.bit +} + +# Changed to group wires and nodes +# This allows tracing the full path along with pips +proc write_info3 {} { + set outdir "." + set fp [open "$outdir/timing3.txt" w] + # bel as site/bel, so don't bother with site + puts $fp "net src_bel dst_bel ico fast_max fast_min slow_max slow_min pips inodes wires" + + set TIME_start [clock clicks -milliseconds] + set verbose 0 + set equations 0 + set site_src_nets 0 + set site_dst_nets 0 + set neti 0 + set nets [get_nets -hierarchical] + set nnets [llength $nets] + foreach net $nets { + incr neti + #if {$neti >= 10} { + # puts "Debug break" + # break + #} + + puts "Net $neti / $nnets: $net" + # The semantics of get_pins -leaf is kind of odd + # When no passthrough LUTs exist, it has no effect + # When passthrough LUT present: + # -w/o -leaf: some pins + passthrough LUT pins + # -w/ -leaf: different pins + passthrough LUT pins + # With OUT filter this seems to be sufficient + set src_pin [get_pins -leaf -filter {DIRECTION == OUT} -of_objects $net] + set src_bel [pin_bel $src_pin] + set src_site [get_sites -of_objects $src_bel] + # Only one net driver + set src_site_pins [get_site_pins -filter {DIRECTION == OUT} -of_objects $net] + + # Sometimes this is empty for reasons that escape me + # Emitting direction doesn't help + if {[llength $src_site_pins] < 1} { + if $verbose { + puts " Ignoring site internal net" + } + incr site_src_nets + continue + } + set dst_site_pins_net [get_site_pins -filter {DIRECTION == IN} -of_objects $net] + if {[llength $dst_site_pins_net] < 1} { + puts " Skipping site internal source net" + incr site_dst_nets + continue + } + foreach src_site_pin $src_site_pins { + if $verbose { + puts "Source: $src_pin at site $src_site:$src_bel, spin $src_site_pin" + } + + # Run with and without interconnect only + foreach ico "0 1" { + set ico_flag "" + if $ico { + set ico_flag "-interconnect_only" + set delays [get_net_delays $ico_flag -of_objects $net] + } else { + set delays [get_net_delays -of_objects $net] + } + foreach delay $delays { + set delaystr [get_property NAME $delay] + set dst_pins [get_property TO_PIN $delay] + set dst_pin [get_pins $dst_pins] + #puts " $delaystr: $src_pin => $dst_pin" + set dst_bel [pin_bel $dst_pin] + set dst_site [get_sites -of_objects $dst_bel] + if $verbose { + puts " Dest: $dst_pin at site $dst_site:$dst_bel" + } + + set dst_site_pins [get_site_pins -of_objects $dst_pin] + # Some nets are internal + # But should this happen on dest if we've already filtered source? + if {"$dst_site_pins" eq ""} { + continue + } + # Also apparantly you can have multiple of these as well + foreach dst_site_pin $dst_site_pins { + set fast_max [get_property "FAST_MAX" $delay] + set fast_min [get_property "FAST_MIN" $delay] + set slow_max [get_property "SLOW_MAX" $delay] + set slow_min [get_property "SLOW_MIN" $delay] + + # Want: + # Site / BEL at src + # Site / BEL at dst + # Pips in between + # Walk net, looking for interesting elements in between + set pips [get_pips -of_objects $net -from $src_site_pin -to $dst_site_pin] + if $verbose { + foreach pip $pips { + puts " PIP $pip" + } + } + set nodes [get_nodes -of_objects $net -from $src_site_pin -to $dst_site_pin] + #set wires [get_wires -of_objects $net -from $src_site_pin -to $dst_site_pin] + set wires [get_wires -of_objects $nodes] + + # puts $fp "$net $src_bel $dst_bel $ico $fast_max $fast_min $slow_max $slow_min $pips" + puts -nonewline $fp "$net $src_bel $dst_bel $ico $fast_max $fast_min $slow_max $slow_min" + + # Write pips w/ speed index + puts -nonewline $fp " " + set needspace 0 + foreach pip $pips { + if $needspace { + puts -nonewline $fp "|" + } + set speed_index [get_property SPEED_INDEX $pip] + puts -nonewline $fp "$pip:$speed_index" + set needspace 1 + } + + # Write nodes + #set nodes_str [string map {" " "|"} $nodes] + #puts -nonewline $fp " $nodes_str" + puts -nonewline $fp " " + set needspace 0 + foreach node $nodes { + if $needspace { + puts -nonewline $fp "|" + } + set nwires [llength [get_wires -of_objects $node]] + puts -nonewline $fp "$node:$nwires" + set needspace 1 + } + + # Write wires + puts -nonewline $fp " " + set needspace 0 + foreach wire $wires { + if $needspace { + puts -nonewline $fp "|" + } + set speed_index [get_property SPEED_INDEX $wire] + puts -nonewline $fp "$wire:$speed_index" + set needspace 1 + } + + puts $fp "" + + incr equations + break + } + } + } + } + } + close $fp + set TIME_taken [expr [clock clicks -milliseconds] - $TIME_start] + puts "Took ms: $TIME_taken" + puts "Generated $equations equations" + puts "Skipped $site_src_nets (+ $site_dst_nets) site nets" +} + +proc pips_all {} { + set outdir "." + set fp [open "$outdir/pip_all.txt" w] + set items [get_pips] + puts "Items: [llength $items]" + + set needspace 0 + set properties [list_property [lindex $items 0]] + foreach item $items { + set needspace 0 + foreach property $properties { + set val [get_property $property $item] + if {"$val" ne ""} { + if $needspace { + puts -nonewline $fp " " + } + puts -nonewline $fp "$property:$val" + set needspace 1 + } + } + puts $fp "" + } + close $fp +} +proc wires_all {} { + set outdir "." + set fp [open "$outdir/wire_all.txt" w] + set items [get_wires] + puts "Items: [llength $items]" + + set needspace 0 + set properties [list_property [lindex $items 0]] + foreach item $items { + set needspace 0 + foreach property $properties { + set val [get_property $property $item] + if {"$val" ne ""} { + if $needspace { + puts -nonewline $fp " " + } + puts -nonewline $fp "$property:$val" + set needspace 1 + } + } + puts $fp "" + } + close $fp +} + +build_design +#write_info2 +write_info3 +#wires_all +#pips_all + diff --git a/experiments/timfuz/node_unique.py b/experiments/timfuz/node_unique.py new file mode 100644 index 00000000..e5793e64 --- /dev/null +++ b/experiments/timfuz/node_unique.py @@ -0,0 +1,99 @@ +''' +Verifies that node timing info is unique +''' + +import re + +def gen_nodes(fin): + for l in fin: + lj = {} + l = l.strip() + for kvs in l.split(): + name, value = kvs.split(':') + ''' + NAME:LIOB33_SING_X0Y199/IOB_IBUF0 + + IS_BAD:0 + IS_COMPLETE:1 + IS_GND:0 IS_INPUT_PIN:1 IS_OUTPUT_PIN:0 IS_PIN:1 IS_VCC:0 + NUM_WIRES:2 + PIN_WIRE:1 + ''' + if name in ('COST_CODE', 'SPEED_CLASS'): + value = int(value) + lj[name] = value + + tile_type, xy, wname = re.match(r'(.*)_(X[0-9]*Y[0-9]*)/(.*)', lj['NAME']).groups() + lj['tile_type'] = tile_type + lj['xy'] = xy + lj['wname'] = wname + + lj['l'] = l + + yield lj + +def run(node_fin, verbose=0): + refnodes = {} + nodei = 0 + for nodei, anode in enumerate(gen_nodes(node_fin)): + def getk(anode): + return anode['wname'] + #return (anode['tile_type'], anode['wname']) + + if nodei % 1000 == 0: + print 'Check node %d' % nodei + # Existing node? + try: + refnode = refnodes[getk(anode)] + except KeyError: + # Set as reference + refnodes[getk(anode)] = anode + continue + # Verify equivilence + for k in ( + 'SPEED_CLASS', + + 'COST_CODE', 'COST_CODE_NAME', + 'IS_BAD', 'IS_COMPLETE', 'IS_GND', 'IS_VCC', + ): + if k in refnode and k in anode: + def fail(): + print 'Mismatch on %s' % k + print refnode[k], anode[k] + print refnode['l'] + print anode['l'] + #assert 0 + if k == 'SPEED_CLASS': + # Parameters known to effect SPEED_CLASS + # Verify at least one parameter is different + if refnode[k] != anode[k]: + for k2 in ('IS_PIN', 'IS_INPUT_PIN', 'IS_OUTPUT_PIN', 'PIN_WIRE', 'NUM_WIRES'): + if refnode[k2] != anode[k2]: + break + else: + if 0: + print + fail() + elif refnode[k] != anode[k]: + print + fail() + # A key in one but not the other? + elif k in refnode or k in anode: + assert 0 + +if __name__ == '__main__': + import argparse + + parser = argparse.ArgumentParser( + description= + 'Timing fuzzer' + ) + + parser.add_argument('--verbose', type=int, help='') + parser.add_argument( + 'node_fn_in', + default='/dev/stdin', + nargs='?', + help='Input file') + args = parser.parse_args() + run(open(args.node_fn_in, 'r'), verbose=args.verbose) diff --git a/experiments/timfuz/oneblinkw.v b/experiments/timfuz/oneblinkw.v new file mode 100644 index 00000000..5e133bac --- /dev/null +++ b/experiments/timfuz/oneblinkw.v @@ -0,0 +1,37 @@ +module roi ( + input wire clk, + output wire out); + reg [23:0] counter; + assign out = counter[23] ^ counter[22] ^ counter[2] && counter[1] || counter[0]; + + always @(posedge clk) begin + counter <= counter + 1; + end +endmodule + +module top(input wire clk, input wire stb, input wire di, output wire do); + localparam integer DIN_N = 0; + localparam integer DOUT_N = 1; + + reg [DIN_N-1:0] din; + wire [DOUT_N-1:0] dout; + + reg [DIN_N-1:0] din_shr; + reg [DOUT_N-1:0] dout_shr; + + always @(posedge clk) begin + din_shr <= {din_shr, di}; + dout_shr <= {dout_shr, din_shr[DIN_N-1]}; + if (stb) begin + din <= din_shr; + dout_shr <= dout; + end + end + + assign do = dout_shr[DOUT_N-1]; + roi roi( + .clk(clk), + .out(dout[0]) + ); +endmodule + diff --git a/experiments/timfuz/picorv32.v b/experiments/timfuz/picorv32.v new file mode 100644 index 00000000..af634b47 --- /dev/null +++ b/experiments/timfuz/picorv32.v @@ -0,0 +1,2977 @@ +/* + * PicoRV32 -- A Small RISC-V (RV32I) Processor Core + * + * Copyright (C) 2015 Clifford Wolf + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * + */ + +`timescale 1 ns / 1 ps +// `default_nettype none +// `define DEBUGNETS +// `define DEBUGREGS +// `define DEBUGASM +// `define DEBUG + +`ifdef DEBUG + `define debug(debug_command) debug_command +`else + `define debug(debug_command) +`endif + +`ifdef FORMAL + `define FORMAL_KEEP (* keep *) + `define assert(assert_expr) assert(assert_expr) +`else + `ifdef DEBUGNETS + `define FORMAL_KEEP (* keep *) + `else + `define FORMAL_KEEP + `endif + `define assert(assert_expr) empty_statement +`endif + +// uncomment this for register file in extra module +// `define PICORV32_REGS picorv32_regs + +// this macro can be used to check if the verilog files in your +// design are read in the correct order. +`define PICORV32_V + + +/*************************************************************** + * picorv32 + ***************************************************************/ + +module picorv32 #( + parameter [ 0:0] ENABLE_COUNTERS = 1, + parameter [ 0:0] ENABLE_COUNTERS64 = 1, + parameter [ 0:0] ENABLE_REGS_16_31 = 1, + parameter [ 0:0] ENABLE_REGS_DUALPORT = 1, + parameter [ 0:0] LATCHED_MEM_RDATA = 0, + parameter [ 0:0] TWO_STAGE_SHIFT = 1, + parameter [ 0:0] BARREL_SHIFTER = 0, + parameter [ 0:0] TWO_CYCLE_COMPARE = 0, + parameter [ 0:0] TWO_CYCLE_ALU = 0, + parameter [ 0:0] COMPRESSED_ISA = 0, + parameter [ 0:0] CATCH_MISALIGN = 1, + parameter [ 0:0] CATCH_ILLINSN = 1, + parameter [ 0:0] ENABLE_PCPI = 0, + parameter [ 0:0] ENABLE_MUL = 0, + parameter [ 0:0] ENABLE_FAST_MUL = 0, + parameter [ 0:0] ENABLE_DIV = 0, + parameter [ 0:0] ENABLE_IRQ = 0, + parameter [ 0:0] ENABLE_IRQ_QREGS = 1, + parameter [ 0:0] ENABLE_IRQ_TIMER = 1, + parameter [ 0:0] ENABLE_TRACE = 0, + parameter [ 0:0] REGS_INIT_ZERO = 0, + parameter [31:0] MASKED_IRQ = 32'h 0000_0000, + parameter [31:0] LATCHED_IRQ = 32'h ffff_ffff, + parameter [31:0] PROGADDR_RESET = 32'h 0000_0000, + parameter [31:0] PROGADDR_IRQ = 32'h 0000_0010, + parameter [31:0] STACKADDR = 32'h ffff_ffff +) ( + input clk, resetn, + output reg trap, + + output reg mem_valid, + output reg mem_instr, + input mem_ready, + + output reg [31:0] mem_addr, + output reg [31:0] mem_wdata, + output reg [ 3:0] mem_wstrb, + input [31:0] mem_rdata, + + // Look-Ahead Interface + output mem_la_read, + output mem_la_write, + output [31:0] mem_la_addr, + output reg [31:0] mem_la_wdata, + output reg [ 3:0] mem_la_wstrb, + + // Pico Co-Processor Interface (PCPI) + output reg pcpi_valid, + output reg [31:0] pcpi_insn, + output [31:0] pcpi_rs1, + output [31:0] pcpi_rs2, + input pcpi_wr, + input [31:0] pcpi_rd, + input pcpi_wait, + input pcpi_ready, + + // IRQ Interface + input [31:0] irq, + output reg [31:0] eoi, + +`ifdef RISCV_FORMAL + output reg rvfi_valid, + output reg [63:0] rvfi_order, + output reg [31:0] rvfi_insn, + output reg rvfi_trap, + output reg rvfi_halt, + output reg rvfi_intr, + output reg [ 4:0] rvfi_rs1_addr, + output reg [ 4:0] rvfi_rs2_addr, + output reg [31:0] rvfi_rs1_rdata, + output reg [31:0] rvfi_rs2_rdata, + output reg [ 4:0] rvfi_rd_addr, + output reg [31:0] rvfi_rd_wdata, + output reg [31:0] rvfi_pc_rdata, + output reg [31:0] rvfi_pc_wdata, + output reg [31:0] rvfi_mem_addr, + output reg [ 3:0] rvfi_mem_rmask, + output reg [ 3:0] rvfi_mem_wmask, + output reg [31:0] rvfi_mem_rdata, + output reg [31:0] rvfi_mem_wdata, +`endif + + // Trace Interface + output reg trace_valid, + output reg [35:0] trace_data +); + localparam integer irq_timer = 0; + localparam integer irq_ebreak = 1; + localparam integer irq_buserror = 2; + + localparam integer irqregs_offset = ENABLE_REGS_16_31 ? 32 : 16; + localparam integer regfile_size = (ENABLE_REGS_16_31 ? 32 : 16) + 4*ENABLE_IRQ*ENABLE_IRQ_QREGS; + localparam integer regindex_bits = (ENABLE_REGS_16_31 ? 5 : 4) + ENABLE_IRQ*ENABLE_IRQ_QREGS; + + localparam WITH_PCPI = ENABLE_PCPI || ENABLE_MUL || ENABLE_FAST_MUL || ENABLE_DIV; + + localparam [35:0] TRACE_BRANCH = {4'b 0001, 32'b 0}; + localparam [35:0] TRACE_ADDR = {4'b 0010, 32'b 0}; + localparam [35:0] TRACE_IRQ = {4'b 1000, 32'b 0}; + + reg [63:0] count_cycle, count_instr; + reg [31:0] reg_pc, reg_next_pc, reg_op1, reg_op2, reg_out; + reg [4:0] reg_sh; + + reg [31:0] next_insn_opcode; + reg [31:0] dbg_insn_opcode; + reg [31:0] dbg_insn_addr; + + wire dbg_mem_valid = mem_valid; + wire dbg_mem_instr = mem_instr; + wire dbg_mem_ready = mem_ready; + wire [31:0] dbg_mem_addr = mem_addr; + wire [31:0] dbg_mem_wdata = mem_wdata; + wire [ 3:0] dbg_mem_wstrb = mem_wstrb; + wire [31:0] dbg_mem_rdata = mem_rdata; + + assign pcpi_rs1 = reg_op1; + assign pcpi_rs2 = reg_op2; + + wire [31:0] next_pc; + + reg irq_delay; + reg irq_active; + reg [31:0] irq_mask; + reg [31:0] irq_pending; + reg [31:0] timer; + +`ifndef PICORV32_REGS + reg [31:0] cpuregs [0:regfile_size-1]; + + integer i; + initial begin + if (REGS_INIT_ZERO) begin + for (i = 0; i < regfile_size; i = i+1) + cpuregs[i] = 0; + end + end +`endif + + task empty_statement; + // This task is used by the `assert directive in non-formal mode to + // avoid empty statement (which are unsupported by plain Verilog syntax). + begin end + endtask + +`ifdef DEBUGREGS + wire [31:0] dbg_reg_x0 = 0; + wire [31:0] dbg_reg_x1 = cpuregs[1]; + wire [31:0] dbg_reg_x2 = cpuregs[2]; + wire [31:0] dbg_reg_x3 = cpuregs[3]; + wire [31:0] dbg_reg_x4 = cpuregs[4]; + wire [31:0] dbg_reg_x5 = cpuregs[5]; + wire [31:0] dbg_reg_x6 = cpuregs[6]; + wire [31:0] dbg_reg_x7 = cpuregs[7]; + wire [31:0] dbg_reg_x8 = cpuregs[8]; + wire [31:0] dbg_reg_x9 = cpuregs[9]; + wire [31:0] dbg_reg_x10 = cpuregs[10]; + wire [31:0] dbg_reg_x11 = cpuregs[11]; + wire [31:0] dbg_reg_x12 = cpuregs[12]; + wire [31:0] dbg_reg_x13 = cpuregs[13]; + wire [31:0] dbg_reg_x14 = cpuregs[14]; + wire [31:0] dbg_reg_x15 = cpuregs[15]; + wire [31:0] dbg_reg_x16 = cpuregs[16]; + wire [31:0] dbg_reg_x17 = cpuregs[17]; + wire [31:0] dbg_reg_x18 = cpuregs[18]; + wire [31:0] dbg_reg_x19 = cpuregs[19]; + wire [31:0] dbg_reg_x20 = cpuregs[20]; + wire [31:0] dbg_reg_x21 = cpuregs[21]; + wire [31:0] dbg_reg_x22 = cpuregs[22]; + wire [31:0] dbg_reg_x23 = cpuregs[23]; + wire [31:0] dbg_reg_x24 = cpuregs[24]; + wire [31:0] dbg_reg_x25 = cpuregs[25]; + wire [31:0] dbg_reg_x26 = cpuregs[26]; + wire [31:0] dbg_reg_x27 = cpuregs[27]; + wire [31:0] dbg_reg_x28 = cpuregs[28]; + wire [31:0] dbg_reg_x29 = cpuregs[29]; + wire [31:0] dbg_reg_x30 = cpuregs[30]; + wire [31:0] dbg_reg_x31 = cpuregs[31]; +`endif + + // Internal PCPI Cores + + wire pcpi_mul_wr; + wire [31:0] pcpi_mul_rd; + wire pcpi_mul_wait; + wire pcpi_mul_ready; + + wire pcpi_div_wr; + wire [31:0] pcpi_div_rd; + wire pcpi_div_wait; + wire pcpi_div_ready; + + reg pcpi_int_wr; + reg [31:0] pcpi_int_rd; + reg pcpi_int_wait; + reg pcpi_int_ready; + + generate if (ENABLE_FAST_MUL) begin + picorv32_pcpi_fast_mul pcpi_mul ( + .clk (clk ), + .resetn (resetn ), + .pcpi_valid(pcpi_valid ), + .pcpi_insn (pcpi_insn ), + .pcpi_rs1 (pcpi_rs1 ), + .pcpi_rs2 (pcpi_rs2 ), + .pcpi_wr (pcpi_mul_wr ), + .pcpi_rd (pcpi_mul_rd ), + .pcpi_wait (pcpi_mul_wait ), + .pcpi_ready(pcpi_mul_ready ) + ); + end else if (ENABLE_MUL) begin + picorv32_pcpi_mul pcpi_mul ( + .clk (clk ), + .resetn (resetn ), + .pcpi_valid(pcpi_valid ), + .pcpi_insn (pcpi_insn ), + .pcpi_rs1 (pcpi_rs1 ), + .pcpi_rs2 (pcpi_rs2 ), + .pcpi_wr (pcpi_mul_wr ), + .pcpi_rd (pcpi_mul_rd ), + .pcpi_wait (pcpi_mul_wait ), + .pcpi_ready(pcpi_mul_ready ) + ); + end else begin + assign pcpi_mul_wr = 0; + assign pcpi_mul_rd = 32'bx; + assign pcpi_mul_wait = 0; + assign pcpi_mul_ready = 0; + end endgenerate + + generate if (ENABLE_DIV) begin + picorv32_pcpi_div pcpi_div ( + .clk (clk ), + .resetn (resetn ), + .pcpi_valid(pcpi_valid ), + .pcpi_insn (pcpi_insn ), + .pcpi_rs1 (pcpi_rs1 ), + .pcpi_rs2 (pcpi_rs2 ), + .pcpi_wr (pcpi_div_wr ), + .pcpi_rd (pcpi_div_rd ), + .pcpi_wait (pcpi_div_wait ), + .pcpi_ready(pcpi_div_ready ) + ); + end else begin + assign pcpi_div_wr = 0; + assign pcpi_div_rd = 32'bx; + assign pcpi_div_wait = 0; + assign pcpi_div_ready = 0; + end endgenerate + + always @* begin + pcpi_int_wr = 0; + pcpi_int_rd = 32'bx; + pcpi_int_wait = |{ENABLE_PCPI && pcpi_wait, (ENABLE_MUL || ENABLE_FAST_MUL) && pcpi_mul_wait, ENABLE_DIV && pcpi_div_wait}; + pcpi_int_ready = |{ENABLE_PCPI && pcpi_ready, (ENABLE_MUL || ENABLE_FAST_MUL) && pcpi_mul_ready, ENABLE_DIV && pcpi_div_ready}; + + (* parallel_case *) + case (1'b1) + ENABLE_PCPI && pcpi_ready: begin + pcpi_int_wr = ENABLE_PCPI ? pcpi_wr : 0; + pcpi_int_rd = ENABLE_PCPI ? pcpi_rd : 0; + end + (ENABLE_MUL || ENABLE_FAST_MUL) && pcpi_mul_ready: begin + pcpi_int_wr = pcpi_mul_wr; + pcpi_int_rd = pcpi_mul_rd; + end + ENABLE_DIV && pcpi_div_ready: begin + pcpi_int_wr = pcpi_div_wr; + pcpi_int_rd = pcpi_div_rd; + end + endcase + end + + + // Memory Interface + + reg [1:0] mem_state; + reg [1:0] mem_wordsize; + reg [31:0] mem_rdata_word; + reg [31:0] mem_rdata_q; + reg mem_do_prefetch; + reg mem_do_rinst; + reg mem_do_rdata; + reg mem_do_wdata; + + wire mem_xfer; + reg mem_la_secondword, mem_la_firstword_reg, last_mem_valid; + wire mem_la_firstword = COMPRESSED_ISA && (mem_do_prefetch || mem_do_rinst) && next_pc[1] && !mem_la_secondword; + wire mem_la_firstword_xfer = COMPRESSED_ISA && mem_xfer && (!last_mem_valid ? mem_la_firstword : mem_la_firstword_reg); + + reg prefetched_high_word; + reg clear_prefetched_high_word; + reg [15:0] mem_16bit_buffer; + + wire [31:0] mem_rdata_latched_noshuffle; + wire [31:0] mem_rdata_latched; + + wire mem_la_use_prefetched_high_word = COMPRESSED_ISA && mem_la_firstword && prefetched_high_word && !clear_prefetched_high_word; + assign mem_xfer = (mem_valid && mem_ready) || (mem_la_use_prefetched_high_word && mem_do_rinst); + + wire mem_busy = |{mem_do_prefetch, mem_do_rinst, mem_do_rdata, mem_do_wdata}; + wire mem_done = resetn && ((mem_xfer && |mem_state && (mem_do_rinst || mem_do_rdata || mem_do_wdata)) || (&mem_state && mem_do_rinst)) && + (!mem_la_firstword || (~&mem_rdata_latched[1:0] && mem_xfer)); + + assign mem_la_write = resetn && !mem_state && mem_do_wdata; + assign mem_la_read = resetn && ((!mem_la_use_prefetched_high_word && !mem_state && (mem_do_rinst || mem_do_prefetch || mem_do_rdata)) || + (COMPRESSED_ISA && mem_xfer && (!last_mem_valid ? mem_la_firstword : mem_la_firstword_reg) && !mem_la_secondword && &mem_rdata_latched[1:0])); + assign mem_la_addr = (mem_do_prefetch || mem_do_rinst) ? {next_pc[31:2] + mem_la_firstword_xfer, 2'b00} : {reg_op1[31:2], 2'b00}; + + assign mem_rdata_latched_noshuffle = (mem_xfer || LATCHED_MEM_RDATA) ? mem_rdata : mem_rdata_q; + + assign mem_rdata_latched = COMPRESSED_ISA && mem_la_use_prefetched_high_word ? {16'bx, mem_16bit_buffer} : + COMPRESSED_ISA && mem_la_secondword ? {mem_rdata_latched_noshuffle[15:0], mem_16bit_buffer} : + COMPRESSED_ISA && mem_la_firstword ? {16'bx, mem_rdata_latched_noshuffle[31:16]} : mem_rdata_latched_noshuffle; + + always @(posedge clk) begin + if (!resetn) begin + mem_la_firstword_reg <= 0; + last_mem_valid <= 0; + end else begin + if (!last_mem_valid) + mem_la_firstword_reg <= mem_la_firstword; + last_mem_valid <= mem_valid && !mem_ready; + end + end + + always @* begin + (* full_case *) + case (mem_wordsize) + 0: begin + mem_la_wdata = reg_op2; + mem_la_wstrb = 4'b1111; + mem_rdata_word = mem_rdata; + end + 1: begin + mem_la_wdata = {2{reg_op2[15:0]}}; + mem_la_wstrb = reg_op1[1] ? 4'b1100 : 4'b0011; + case (reg_op1[1]) + 1'b0: mem_rdata_word = {16'b0, mem_rdata[15: 0]}; + 1'b1: mem_rdata_word = {16'b0, mem_rdata[31:16]}; + endcase + end + 2: begin + mem_la_wdata = {4{reg_op2[7:0]}}; + mem_la_wstrb = 4'b0001 << reg_op1[1:0]; + case (reg_op1[1:0]) + 2'b00: mem_rdata_word = {24'b0, mem_rdata[ 7: 0]}; + 2'b01: mem_rdata_word = {24'b0, mem_rdata[15: 8]}; + 2'b10: mem_rdata_word = {24'b0, mem_rdata[23:16]}; + 2'b11: mem_rdata_word = {24'b0, mem_rdata[31:24]}; + endcase + end + endcase + end + + always @(posedge clk) begin + if (mem_xfer) begin + mem_rdata_q <= COMPRESSED_ISA ? mem_rdata_latched : mem_rdata; + next_insn_opcode <= COMPRESSED_ISA ? mem_rdata_latched : mem_rdata; + end + + if (COMPRESSED_ISA && mem_done && (mem_do_prefetch || mem_do_rinst)) begin + case (mem_rdata_latched[1:0]) + 2'b00: begin // Quadrant 0 + case (mem_rdata_latched[15:13]) + 3'b000: begin // C.ADDI4SPN + mem_rdata_q[14:12] <= 3'b000; + mem_rdata_q[31:20] <= {2'b0, mem_rdata_latched[10:7], mem_rdata_latched[12:11], mem_rdata_latched[5], mem_rdata_latched[6], 2'b00}; + end + 3'b010: begin // C.LW + mem_rdata_q[31:20] <= {5'b0, mem_rdata_latched[5], mem_rdata_latched[12:10], mem_rdata_latched[6], 2'b00}; + mem_rdata_q[14:12] <= 3'b 010; + end + 3'b 110: begin // C.SW + {mem_rdata_q[31:25], mem_rdata_q[11:7]} <= {5'b0, mem_rdata_latched[5], mem_rdata_latched[12:10], mem_rdata_latched[6], 2'b00}; + mem_rdata_q[14:12] <= 3'b 010; + end + endcase + end + 2'b01: begin // Quadrant 1 + case (mem_rdata_latched[15:13]) + 3'b 000: begin // C.ADDI + mem_rdata_q[14:12] <= 3'b000; + mem_rdata_q[31:20] <= $signed({mem_rdata_latched[12], mem_rdata_latched[6:2]}); + end + 3'b 010: begin // C.LI + mem_rdata_q[14:12] <= 3'b000; + mem_rdata_q[31:20] <= $signed({mem_rdata_latched[12], mem_rdata_latched[6:2]}); + end + 3'b 011: begin + if (mem_rdata_latched[11:7] == 2) begin // C.ADDI16SP + mem_rdata_q[14:12] <= 3'b000; + mem_rdata_q[31:20] <= $signed({mem_rdata_latched[12], mem_rdata_latched[4:3], + mem_rdata_latched[5], mem_rdata_latched[2], mem_rdata_latched[6], 4'b 0000}); + end else begin // C.LUI + mem_rdata_q[31:12] <= $signed({mem_rdata_latched[12], mem_rdata_latched[6:2]}); + end + end + 3'b100: begin + if (mem_rdata_latched[11:10] == 2'b00) begin // C.SRLI + mem_rdata_q[31:25] <= 7'b0000000; + mem_rdata_q[14:12] <= 3'b 101; + end + if (mem_rdata_latched[11:10] == 2'b01) begin // C.SRAI + mem_rdata_q[31:25] <= 7'b0100000; + mem_rdata_q[14:12] <= 3'b 101; + end + if (mem_rdata_latched[11:10] == 2'b10) begin // C.ANDI + mem_rdata_q[14:12] <= 3'b111; + mem_rdata_q[31:20] <= $signed({mem_rdata_latched[12], mem_rdata_latched[6:2]}); + end + if (mem_rdata_latched[12:10] == 3'b011) begin // C.SUB, C.XOR, C.OR, C.AND + if (mem_rdata_latched[6:5] == 2'b00) mem_rdata_q[14:12] <= 3'b000; + if (mem_rdata_latched[6:5] == 2'b01) mem_rdata_q[14:12] <= 3'b100; + if (mem_rdata_latched[6:5] == 2'b10) mem_rdata_q[14:12] <= 3'b110; + if (mem_rdata_latched[6:5] == 2'b11) mem_rdata_q[14:12] <= 3'b111; + mem_rdata_q[31:25] <= mem_rdata_latched[6:5] == 2'b00 ? 7'b0100000 : 7'b0000000; + end + end + 3'b 110: begin // C.BEQZ + mem_rdata_q[14:12] <= 3'b000; + { mem_rdata_q[31], mem_rdata_q[7], mem_rdata_q[30:25], mem_rdata_q[11:8] } <= + $signed({mem_rdata_latched[12], mem_rdata_latched[6:5], mem_rdata_latched[2], + mem_rdata_latched[11:10], mem_rdata_latched[4:3]}); + end + 3'b 111: begin // C.BNEZ + mem_rdata_q[14:12] <= 3'b001; + { mem_rdata_q[31], mem_rdata_q[7], mem_rdata_q[30:25], mem_rdata_q[11:8] } <= + $signed({mem_rdata_latched[12], mem_rdata_latched[6:5], mem_rdata_latched[2], + mem_rdata_latched[11:10], mem_rdata_latched[4:3]}); + end + endcase + end + 2'b10: begin // Quadrant 2 + case (mem_rdata_latched[15:13]) + 3'b000: begin // C.SLLI + mem_rdata_q[31:25] <= 7'b0000000; + mem_rdata_q[14:12] <= 3'b 001; + end + 3'b010: begin // C.LWSP + mem_rdata_q[31:20] <= {4'b0, mem_rdata_latched[3:2], mem_rdata_latched[12], mem_rdata_latched[6:4], 2'b00}; + mem_rdata_q[14:12] <= 3'b 010; + end + 3'b100: begin + if (mem_rdata_latched[12] == 0 && mem_rdata_latched[6:2] == 0) begin // C.JR + mem_rdata_q[14:12] <= 3'b000; + mem_rdata_q[31:20] <= 12'b0; + end + if (mem_rdata_latched[12] == 0 && mem_rdata_latched[6:2] != 0) begin // C.MV + mem_rdata_q[14:12] <= 3'b000; + mem_rdata_q[31:25] <= 7'b0000000; + end + if (mem_rdata_latched[12] != 0 && mem_rdata_latched[11:7] != 0 && mem_rdata_latched[6:2] == 0) begin // C.JALR + mem_rdata_q[14:12] <= 3'b000; + mem_rdata_q[31:20] <= 12'b0; + end + if (mem_rdata_latched[12] != 0 && mem_rdata_latched[6:2] != 0) begin // C.ADD + mem_rdata_q[14:12] <= 3'b000; + mem_rdata_q[31:25] <= 7'b0000000; + end + end + 3'b110: begin // C.SWSP + {mem_rdata_q[31:25], mem_rdata_q[11:7]} <= {4'b0, mem_rdata_latched[8:7], mem_rdata_latched[12:9], 2'b00}; + mem_rdata_q[14:12] <= 3'b 010; + end + endcase + end + endcase + end + end + + always @(posedge clk) begin + if (resetn && !trap) begin + if (mem_do_prefetch || mem_do_rinst || mem_do_rdata) + `assert(!mem_do_wdata); + + if (mem_do_prefetch || mem_do_rinst) + `assert(!mem_do_rdata); + + if (mem_do_rdata) + `assert(!mem_do_prefetch && !mem_do_rinst); + + if (mem_do_wdata) + `assert(!(mem_do_prefetch || mem_do_rinst || mem_do_rdata)); + + if (mem_state == 2 || mem_state == 3) + `assert(mem_valid || mem_do_prefetch); + end + end + + always @(posedge clk) begin + if (!resetn || trap) begin + if (!resetn) + mem_state <= 0; + if (!resetn || mem_ready) + mem_valid <= 0; + mem_la_secondword <= 0; + prefetched_high_word <= 0; + end else begin + if (mem_la_read || mem_la_write) begin + mem_addr <= mem_la_addr; + mem_wstrb <= mem_la_wstrb & {4{mem_la_write}}; + end + if (mem_la_write) begin + mem_wdata <= mem_la_wdata; + end + case (mem_state) + 0: begin + if (mem_do_prefetch || mem_do_rinst || mem_do_rdata) begin + mem_valid <= !mem_la_use_prefetched_high_word; + mem_instr <= mem_do_prefetch || mem_do_rinst; + mem_wstrb <= 0; + mem_state <= 1; + end + if (mem_do_wdata) begin + mem_valid <= 1; + mem_instr <= 0; + mem_state <= 2; + end + end + 1: begin + `assert(mem_wstrb == 0); + `assert(mem_do_prefetch || mem_do_rinst || mem_do_rdata); + `assert(mem_valid == !mem_la_use_prefetched_high_word); + `assert(mem_instr == (mem_do_prefetch || mem_do_rinst)); + if (mem_xfer) begin + if (COMPRESSED_ISA && mem_la_read) begin + mem_valid <= 1; + mem_la_secondword <= 1; + if (!mem_la_use_prefetched_high_word) + mem_16bit_buffer <= mem_rdata[31:16]; + end else begin + mem_valid <= 0; + mem_la_secondword <= 0; + if (COMPRESSED_ISA && !mem_do_rdata) begin + if (~&mem_rdata[1:0] || mem_la_secondword) begin + mem_16bit_buffer <= mem_rdata[31:16]; + prefetched_high_word <= 1; + end else begin + prefetched_high_word <= 0; + end + end + mem_state <= mem_do_rinst || mem_do_rdata ? 0 : 3; + end + end + end + 2: begin + `assert(mem_wstrb != 0); + `assert(mem_do_wdata); + if (mem_xfer) begin + mem_valid <= 0; + mem_state <= 0; + end + end + 3: begin + `assert(mem_wstrb == 0); + `assert(mem_do_prefetch); + if (mem_do_rinst) begin + mem_state <= 0; + end + end + endcase + end + + if (clear_prefetched_high_word) + prefetched_high_word <= 0; + end + + + // Instruction Decoder + + reg instr_lui, instr_auipc, instr_jal, instr_jalr; + reg instr_beq, instr_bne, instr_blt, instr_bge, instr_bltu, instr_bgeu; + reg instr_lb, instr_lh, instr_lw, instr_lbu, instr_lhu, instr_sb, instr_sh, instr_sw; + reg instr_addi, instr_slti, instr_sltiu, instr_xori, instr_ori, instr_andi, instr_slli, instr_srli, instr_srai; + reg instr_add, instr_sub, instr_sll, instr_slt, instr_sltu, instr_xor, instr_srl, instr_sra, instr_or, instr_and; + reg instr_rdcycle, instr_rdcycleh, instr_rdinstr, instr_rdinstrh, instr_ecall_ebreak; + reg instr_getq, instr_setq, instr_retirq, instr_maskirq, instr_waitirq, instr_timer; + wire instr_trap; + + reg [regindex_bits-1:0] decoded_rd, decoded_rs1, decoded_rs2; + reg [31:0] decoded_imm, decoded_imm_uj; + reg decoder_trigger; + reg decoder_trigger_q; + reg decoder_pseudo_trigger; + reg decoder_pseudo_trigger_q; + reg compressed_instr; + + reg is_lui_auipc_jal; + reg is_lb_lh_lw_lbu_lhu; + reg is_slli_srli_srai; + reg is_jalr_addi_slti_sltiu_xori_ori_andi; + reg is_sb_sh_sw; + reg is_sll_srl_sra; + reg is_lui_auipc_jal_jalr_addi_add_sub; + reg is_slti_blt_slt; + reg is_sltiu_bltu_sltu; + reg is_beq_bne_blt_bge_bltu_bgeu; + reg is_lbu_lhu_lw; + reg is_alu_reg_imm; + reg is_alu_reg_reg; + reg is_compare; + + assign instr_trap = (CATCH_ILLINSN || WITH_PCPI) && !{instr_lui, instr_auipc, instr_jal, instr_jalr, + instr_beq, instr_bne, instr_blt, instr_bge, instr_bltu, instr_bgeu, + instr_lb, instr_lh, instr_lw, instr_lbu, instr_lhu, instr_sb, instr_sh, instr_sw, + instr_addi, instr_slti, instr_sltiu, instr_xori, instr_ori, instr_andi, instr_slli, instr_srli, instr_srai, + instr_add, instr_sub, instr_sll, instr_slt, instr_sltu, instr_xor, instr_srl, instr_sra, instr_or, instr_and, + instr_rdcycle, instr_rdcycleh, instr_rdinstr, instr_rdinstrh, + instr_getq, instr_setq, instr_retirq, instr_maskirq, instr_waitirq, instr_timer}; + + wire is_rdcycle_rdcycleh_rdinstr_rdinstrh; + assign is_rdcycle_rdcycleh_rdinstr_rdinstrh = |{instr_rdcycle, instr_rdcycleh, instr_rdinstr, instr_rdinstrh}; + + reg [63:0] new_ascii_instr; + `FORMAL_KEEP reg [63:0] dbg_ascii_instr; + `FORMAL_KEEP reg [31:0] dbg_insn_imm; + `FORMAL_KEEP reg [4:0] dbg_insn_rs1; + `FORMAL_KEEP reg [4:0] dbg_insn_rs2; + `FORMAL_KEEP reg [4:0] dbg_insn_rd; + `FORMAL_KEEP reg [31:0] dbg_rs1val; + `FORMAL_KEEP reg [31:0] dbg_rs2val; + `FORMAL_KEEP reg dbg_rs1val_valid; + `FORMAL_KEEP reg dbg_rs2val_valid; + + always @* begin + new_ascii_instr = ""; + + if (instr_lui) new_ascii_instr = "lui"; + if (instr_auipc) new_ascii_instr = "auipc"; + if (instr_jal) new_ascii_instr = "jal"; + if (instr_jalr) new_ascii_instr = "jalr"; + + if (instr_beq) new_ascii_instr = "beq"; + if (instr_bne) new_ascii_instr = "bne"; + if (instr_blt) new_ascii_instr = "blt"; + if (instr_bge) new_ascii_instr = "bge"; + if (instr_bltu) new_ascii_instr = "bltu"; + if (instr_bgeu) new_ascii_instr = "bgeu"; + + if (instr_lb) new_ascii_instr = "lb"; + if (instr_lh) new_ascii_instr = "lh"; + if (instr_lw) new_ascii_instr = "lw"; + if (instr_lbu) new_ascii_instr = "lbu"; + if (instr_lhu) new_ascii_instr = "lhu"; + if (instr_sb) new_ascii_instr = "sb"; + if (instr_sh) new_ascii_instr = "sh"; + if (instr_sw) new_ascii_instr = "sw"; + + if (instr_addi) new_ascii_instr = "addi"; + if (instr_slti) new_ascii_instr = "slti"; + if (instr_sltiu) new_ascii_instr = "sltiu"; + if (instr_xori) new_ascii_instr = "xori"; + if (instr_ori) new_ascii_instr = "ori"; + if (instr_andi) new_ascii_instr = "andi"; + if (instr_slli) new_ascii_instr = "slli"; + if (instr_srli) new_ascii_instr = "srli"; + if (instr_srai) new_ascii_instr = "srai"; + + if (instr_add) new_ascii_instr = "add"; + if (instr_sub) new_ascii_instr = "sub"; + if (instr_sll) new_ascii_instr = "sll"; + if (instr_slt) new_ascii_instr = "slt"; + if (instr_sltu) new_ascii_instr = "sltu"; + if (instr_xor) new_ascii_instr = "xor"; + if (instr_srl) new_ascii_instr = "srl"; + if (instr_sra) new_ascii_instr = "sra"; + if (instr_or) new_ascii_instr = "or"; + if (instr_and) new_ascii_instr = "and"; + + if (instr_rdcycle) new_ascii_instr = "rdcycle"; + if (instr_rdcycleh) new_ascii_instr = "rdcycleh"; + if (instr_rdinstr) new_ascii_instr = "rdinstr"; + if (instr_rdinstrh) new_ascii_instr = "rdinstrh"; + + if (instr_getq) new_ascii_instr = "getq"; + if (instr_setq) new_ascii_instr = "setq"; + if (instr_retirq) new_ascii_instr = "retirq"; + if (instr_maskirq) new_ascii_instr = "maskirq"; + if (instr_waitirq) new_ascii_instr = "waitirq"; + if (instr_timer) new_ascii_instr = "timer"; + end + + reg [63:0] q_ascii_instr; + reg [31:0] q_insn_imm; + reg [31:0] q_insn_opcode; + reg [4:0] q_insn_rs1; + reg [4:0] q_insn_rs2; + reg [4:0] q_insn_rd; + reg dbg_next; + + wire launch_next_insn; + reg dbg_valid_insn; + + reg [63:0] cached_ascii_instr; + reg [31:0] cached_insn_imm; + reg [31:0] cached_insn_opcode; + reg [4:0] cached_insn_rs1; + reg [4:0] cached_insn_rs2; + reg [4:0] cached_insn_rd; + + always @(posedge clk) begin + q_ascii_instr <= dbg_ascii_instr; + q_insn_imm <= dbg_insn_imm; + q_insn_opcode <= dbg_insn_opcode; + q_insn_rs1 <= dbg_insn_rs1; + q_insn_rs2 <= dbg_insn_rs2; + q_insn_rd <= dbg_insn_rd; + dbg_next <= launch_next_insn; + + if (!resetn || trap) + dbg_valid_insn <= 0; + else if (launch_next_insn) + dbg_valid_insn <= 1; + + if (decoder_trigger_q) begin + cached_ascii_instr <= new_ascii_instr; + cached_insn_imm <= decoded_imm; + if (&next_insn_opcode[1:0]) + cached_insn_opcode <= next_insn_opcode; + else + cached_insn_opcode <= {16'b0, next_insn_opcode[15:0]}; + cached_insn_rs1 <= decoded_rs1; + cached_insn_rs2 <= decoded_rs2; + cached_insn_rd <= decoded_rd; + end + + if (launch_next_insn) begin + dbg_insn_addr <= next_pc; + end + end + + always @* begin + dbg_ascii_instr = q_ascii_instr; + dbg_insn_imm = q_insn_imm; + dbg_insn_opcode = q_insn_opcode; + dbg_insn_rs1 = q_insn_rs1; + dbg_insn_rs2 = q_insn_rs2; + dbg_insn_rd = q_insn_rd; + + if (dbg_next) begin + if (decoder_pseudo_trigger_q) begin + dbg_ascii_instr = cached_ascii_instr; + dbg_insn_imm = cached_insn_imm; + dbg_insn_opcode = cached_insn_opcode; + dbg_insn_rs1 = cached_insn_rs1; + dbg_insn_rs2 = cached_insn_rs2; + dbg_insn_rd = cached_insn_rd; + end else begin + dbg_ascii_instr = new_ascii_instr; + if (&next_insn_opcode[1:0]) + dbg_insn_opcode = next_insn_opcode; + else + dbg_insn_opcode = {16'b0, next_insn_opcode[15:0]}; + dbg_insn_imm = decoded_imm; + dbg_insn_rs1 = decoded_rs1; + dbg_insn_rs2 = decoded_rs2; + dbg_insn_rd = decoded_rd; + end + end + end + +`ifdef DEBUGASM + always @(posedge clk) begin + if (dbg_next) begin + $display("debugasm %x %x %s", dbg_insn_addr, dbg_insn_opcode, dbg_ascii_instr ? dbg_ascii_instr : "*"); + end + end +`endif + +`ifdef DEBUG + always @(posedge clk) begin + if (dbg_next) begin + if (&dbg_insn_opcode[1:0]) + $display("DECODE: 0x%08x 0x%08x %-0s", dbg_insn_addr, dbg_insn_opcode, dbg_ascii_instr ? dbg_ascii_instr : "UNKNOWN"); + else + $display("DECODE: 0x%08x 0x%04x %-0s", dbg_insn_addr, dbg_insn_opcode[15:0], dbg_ascii_instr ? dbg_ascii_instr : "UNKNOWN"); + end + end +`endif + + always @(posedge clk) begin + is_lui_auipc_jal <= |{instr_lui, instr_auipc, instr_jal}; + is_lui_auipc_jal_jalr_addi_add_sub <= |{instr_lui, instr_auipc, instr_jal, instr_jalr, instr_addi, instr_add, instr_sub}; + is_slti_blt_slt <= |{instr_slti, instr_blt, instr_slt}; + is_sltiu_bltu_sltu <= |{instr_sltiu, instr_bltu, instr_sltu}; + is_lbu_lhu_lw <= |{instr_lbu, instr_lhu, instr_lw}; + is_compare <= |{is_beq_bne_blt_bge_bltu_bgeu, instr_slti, instr_slt, instr_sltiu, instr_sltu}; + + if (mem_do_rinst && mem_done) begin + instr_lui <= mem_rdata_latched[6:0] == 7'b0110111; + instr_auipc <= mem_rdata_latched[6:0] == 7'b0010111; + instr_jal <= mem_rdata_latched[6:0] == 7'b1101111; + instr_jalr <= mem_rdata_latched[6:0] == 7'b1100111 && mem_rdata_latched[14:12] == 3'b000; + instr_retirq <= mem_rdata_latched[6:0] == 7'b0001011 && mem_rdata_latched[31:25] == 7'b0000010 && ENABLE_IRQ; + instr_waitirq <= mem_rdata_latched[6:0] == 7'b0001011 && mem_rdata_latched[31:25] == 7'b0000100 && ENABLE_IRQ; + + is_beq_bne_blt_bge_bltu_bgeu <= mem_rdata_latched[6:0] == 7'b1100011; + is_lb_lh_lw_lbu_lhu <= mem_rdata_latched[6:0] == 7'b0000011; + is_sb_sh_sw <= mem_rdata_latched[6:0] == 7'b0100011; + is_alu_reg_imm <= mem_rdata_latched[6:0] == 7'b0010011; + is_alu_reg_reg <= mem_rdata_latched[6:0] == 7'b0110011; + + { decoded_imm_uj[31:20], decoded_imm_uj[10:1], decoded_imm_uj[11], decoded_imm_uj[19:12], decoded_imm_uj[0] } <= $signed({mem_rdata_latched[31:12], 1'b0}); + + decoded_rd <= mem_rdata_latched[11:7]; + decoded_rs1 <= mem_rdata_latched[19:15]; + decoded_rs2 <= mem_rdata_latched[24:20]; + + if (mem_rdata_latched[6:0] == 7'b0001011 && mem_rdata_latched[31:25] == 7'b0000000 && ENABLE_IRQ && ENABLE_IRQ_QREGS) + decoded_rs1[regindex_bits-1] <= 1; // instr_getq + + if (mem_rdata_latched[6:0] == 7'b0001011 && mem_rdata_latched[31:25] == 7'b0000010 && ENABLE_IRQ) + decoded_rs1 <= ENABLE_IRQ_QREGS ? irqregs_offset : 3; // instr_retirq + + compressed_instr <= 0; + if (COMPRESSED_ISA && mem_rdata_latched[1:0] != 2'b11) begin + compressed_instr <= 1; + decoded_rd <= 0; + decoded_rs1 <= 0; + decoded_rs2 <= 0; + + { decoded_imm_uj[31:11], decoded_imm_uj[4], decoded_imm_uj[9:8], decoded_imm_uj[10], decoded_imm_uj[6], + decoded_imm_uj[7], decoded_imm_uj[3:1], decoded_imm_uj[5], decoded_imm_uj[0] } <= $signed({mem_rdata_latched[12:2], 1'b0}); + + case (mem_rdata_latched[1:0]) + 2'b00: begin // Quadrant 0 + case (mem_rdata_latched[15:13]) + 3'b000: begin // C.ADDI4SPN + is_alu_reg_imm <= |mem_rdata_latched[12:5]; + decoded_rs1 <= 2; + decoded_rd <= 8 + mem_rdata_latched[4:2]; + end + 3'b010: begin // C.LW + is_lb_lh_lw_lbu_lhu <= 1; + decoded_rs1 <= 8 + mem_rdata_latched[9:7]; + decoded_rd <= 8 + mem_rdata_latched[4:2]; + end + 3'b110: begin // C.SW + is_sb_sh_sw <= 1; + decoded_rs1 <= 8 + mem_rdata_latched[9:7]; + decoded_rs2 <= 8 + mem_rdata_latched[4:2]; + end + endcase + end + 2'b01: begin // Quadrant 1 + case (mem_rdata_latched[15:13]) + 3'b000: begin // C.NOP / C.ADDI + is_alu_reg_imm <= 1; + decoded_rd <= mem_rdata_latched[11:7]; + decoded_rs1 <= mem_rdata_latched[11:7]; + end + 3'b001: begin // C.JAL + instr_jal <= 1; + decoded_rd <= 1; + end + 3'b 010: begin // C.LI + is_alu_reg_imm <= 1; + decoded_rd <= mem_rdata_latched[11:7]; + decoded_rs1 <= 0; + end + 3'b 011: begin + if (mem_rdata_latched[12] || mem_rdata_latched[6:2]) begin + if (mem_rdata_latched[11:7] == 2) begin // C.ADDI16SP + is_alu_reg_imm <= 1; + decoded_rd <= mem_rdata_latched[11:7]; + decoded_rs1 <= mem_rdata_latched[11:7]; + end else begin // C.LUI + instr_lui <= 1; + decoded_rd <= mem_rdata_latched[11:7]; + decoded_rs1 <= 0; + end + end + end + 3'b100: begin + if (!mem_rdata_latched[11] && !mem_rdata_latched[12]) begin // C.SRLI, C.SRAI + is_alu_reg_imm <= 1; + decoded_rd <= 8 + mem_rdata_latched[9:7]; + decoded_rs1 <= 8 + mem_rdata_latched[9:7]; + decoded_rs2 <= {mem_rdata_latched[12], mem_rdata_latched[6:2]}; + end + if (mem_rdata_latched[11:10] == 2'b10) begin // C.ANDI + is_alu_reg_imm <= 1; + decoded_rd <= 8 + mem_rdata_latched[9:7]; + decoded_rs1 <= 8 + mem_rdata_latched[9:7]; + end + if (mem_rdata_latched[12:10] == 3'b011) begin // C.SUB, C.XOR, C.OR, C.AND + is_alu_reg_reg <= 1; + decoded_rd <= 8 + mem_rdata_latched[9:7]; + decoded_rs1 <= 8 + mem_rdata_latched[9:7]; + decoded_rs2 <= 8 + mem_rdata_latched[4:2]; + end + end + 3'b101: begin // C.J + instr_jal <= 1; + end + 3'b110: begin // C.BEQZ + is_beq_bne_blt_bge_bltu_bgeu <= 1; + decoded_rs1 <= 8 + mem_rdata_latched[9:7]; + decoded_rs2 <= 0; + end + 3'b111: begin // C.BNEZ + is_beq_bne_blt_bge_bltu_bgeu <= 1; + decoded_rs1 <= 8 + mem_rdata_latched[9:7]; + decoded_rs2 <= 0; + end + endcase + end + 2'b10: begin // Quadrant 2 + case (mem_rdata_latched[15:13]) + 3'b000: begin // C.SLLI + if (!mem_rdata_latched[12]) begin + is_alu_reg_imm <= 1; + decoded_rd <= mem_rdata_latched[11:7]; + decoded_rs1 <= mem_rdata_latched[11:7]; + decoded_rs2 <= {mem_rdata_latched[12], mem_rdata_latched[6:2]}; + end + end + 3'b010: begin // C.LWSP + if (mem_rdata_latched[11:7]) begin + is_lb_lh_lw_lbu_lhu <= 1; + decoded_rd <= mem_rdata_latched[11:7]; + decoded_rs1 <= 2; + end + end + 3'b100: begin + if (mem_rdata_latched[12] == 0 && mem_rdata_latched[11:7] != 0 && mem_rdata_latched[6:2] == 0) begin // C.JR + instr_jalr <= 1; + decoded_rd <= 0; + decoded_rs1 <= mem_rdata_latched[11:7]; + end + if (mem_rdata_latched[12] == 0 && mem_rdata_latched[6:2] != 0) begin // C.MV + is_alu_reg_reg <= 1; + decoded_rd <= mem_rdata_latched[11:7]; + decoded_rs1 <= 0; + decoded_rs2 <= mem_rdata_latched[6:2]; + end + if (mem_rdata_latched[12] != 0 && mem_rdata_latched[11:7] != 0 && mem_rdata_latched[6:2] == 0) begin // C.JALR + instr_jalr <= 1; + decoded_rd <= 1; + decoded_rs1 <= mem_rdata_latched[11:7]; + end + if (mem_rdata_latched[12] != 0 && mem_rdata_latched[6:2] != 0) begin // C.ADD + is_alu_reg_reg <= 1; + decoded_rd <= mem_rdata_latched[11:7]; + decoded_rs1 <= mem_rdata_latched[11:7]; + decoded_rs2 <= mem_rdata_latched[6:2]; + end + end + 3'b110: begin // C.SWSP + is_sb_sh_sw <= 1; + decoded_rs1 <= 2; + decoded_rs2 <= mem_rdata_latched[6:2]; + end + endcase + end + endcase + end + end + + if (decoder_trigger && !decoder_pseudo_trigger) begin + pcpi_insn <= WITH_PCPI ? mem_rdata_q : 'bx; + + instr_beq <= is_beq_bne_blt_bge_bltu_bgeu && mem_rdata_q[14:12] == 3'b000; + instr_bne <= is_beq_bne_blt_bge_bltu_bgeu && mem_rdata_q[14:12] == 3'b001; + instr_blt <= is_beq_bne_blt_bge_bltu_bgeu && mem_rdata_q[14:12] == 3'b100; + instr_bge <= is_beq_bne_blt_bge_bltu_bgeu && mem_rdata_q[14:12] == 3'b101; + instr_bltu <= is_beq_bne_blt_bge_bltu_bgeu && mem_rdata_q[14:12] == 3'b110; + instr_bgeu <= is_beq_bne_blt_bge_bltu_bgeu && mem_rdata_q[14:12] == 3'b111; + + instr_lb <= is_lb_lh_lw_lbu_lhu && mem_rdata_q[14:12] == 3'b000; + instr_lh <= is_lb_lh_lw_lbu_lhu && mem_rdata_q[14:12] == 3'b001; + instr_lw <= is_lb_lh_lw_lbu_lhu && mem_rdata_q[14:12] == 3'b010; + instr_lbu <= is_lb_lh_lw_lbu_lhu && mem_rdata_q[14:12] == 3'b100; + instr_lhu <= is_lb_lh_lw_lbu_lhu && mem_rdata_q[14:12] == 3'b101; + + instr_sb <= is_sb_sh_sw && mem_rdata_q[14:12] == 3'b000; + instr_sh <= is_sb_sh_sw && mem_rdata_q[14:12] == 3'b001; + instr_sw <= is_sb_sh_sw && mem_rdata_q[14:12] == 3'b010; + + instr_addi <= is_alu_reg_imm && mem_rdata_q[14:12] == 3'b000; + instr_slti <= is_alu_reg_imm && mem_rdata_q[14:12] == 3'b010; + instr_sltiu <= is_alu_reg_imm && mem_rdata_q[14:12] == 3'b011; + instr_xori <= is_alu_reg_imm && mem_rdata_q[14:12] == 3'b100; + instr_ori <= is_alu_reg_imm && mem_rdata_q[14:12] == 3'b110; + instr_andi <= is_alu_reg_imm && mem_rdata_q[14:12] == 3'b111; + + instr_slli <= is_alu_reg_imm && mem_rdata_q[14:12] == 3'b001 && mem_rdata_q[31:25] == 7'b0000000; + instr_srli <= is_alu_reg_imm && mem_rdata_q[14:12] == 3'b101 && mem_rdata_q[31:25] == 7'b0000000; + instr_srai <= is_alu_reg_imm && mem_rdata_q[14:12] == 3'b101 && mem_rdata_q[31:25] == 7'b0100000; + + instr_add <= is_alu_reg_reg && mem_rdata_q[14:12] == 3'b000 && mem_rdata_q[31:25] == 7'b0000000; + instr_sub <= is_alu_reg_reg && mem_rdata_q[14:12] == 3'b000 && mem_rdata_q[31:25] == 7'b0100000; + instr_sll <= is_alu_reg_reg && mem_rdata_q[14:12] == 3'b001 && mem_rdata_q[31:25] == 7'b0000000; + instr_slt <= is_alu_reg_reg && mem_rdata_q[14:12] == 3'b010 && mem_rdata_q[31:25] == 7'b0000000; + instr_sltu <= is_alu_reg_reg && mem_rdata_q[14:12] == 3'b011 && mem_rdata_q[31:25] == 7'b0000000; + instr_xor <= is_alu_reg_reg && mem_rdata_q[14:12] == 3'b100 && mem_rdata_q[31:25] == 7'b0000000; + instr_srl <= is_alu_reg_reg && mem_rdata_q[14:12] == 3'b101 && mem_rdata_q[31:25] == 7'b0000000; + instr_sra <= is_alu_reg_reg && mem_rdata_q[14:12] == 3'b101 && mem_rdata_q[31:25] == 7'b0100000; + instr_or <= is_alu_reg_reg && mem_rdata_q[14:12] == 3'b110 && mem_rdata_q[31:25] == 7'b0000000; + instr_and <= is_alu_reg_reg && mem_rdata_q[14:12] == 3'b111 && mem_rdata_q[31:25] == 7'b0000000; + + instr_rdcycle <= ((mem_rdata_q[6:0] == 7'b1110011 && mem_rdata_q[31:12] == 'b11000000000000000010) || + (mem_rdata_q[6:0] == 7'b1110011 && mem_rdata_q[31:12] == 'b11000000000100000010)) && ENABLE_COUNTERS; + instr_rdcycleh <= ((mem_rdata_q[6:0] == 7'b1110011 && mem_rdata_q[31:12] == 'b11001000000000000010) || + (mem_rdata_q[6:0] == 7'b1110011 && mem_rdata_q[31:12] == 'b11001000000100000010)) && ENABLE_COUNTERS && ENABLE_COUNTERS64; + instr_rdinstr <= (mem_rdata_q[6:0] == 7'b1110011 && mem_rdata_q[31:12] == 'b11000000001000000010) && ENABLE_COUNTERS; + instr_rdinstrh <= (mem_rdata_q[6:0] == 7'b1110011 && mem_rdata_q[31:12] == 'b11001000001000000010) && ENABLE_COUNTERS && ENABLE_COUNTERS64; + + instr_ecall_ebreak <= ((mem_rdata_q[6:0] == 7'b1110011 && !mem_rdata_q[31:21] && !mem_rdata_q[19:7]) || + (COMPRESSED_ISA && mem_rdata_q[15:0] == 16'h9002)); + + instr_getq <= mem_rdata_q[6:0] == 7'b0001011 && mem_rdata_q[31:25] == 7'b0000000 && ENABLE_IRQ && ENABLE_IRQ_QREGS; + instr_setq <= mem_rdata_q[6:0] == 7'b0001011 && mem_rdata_q[31:25] == 7'b0000001 && ENABLE_IRQ && ENABLE_IRQ_QREGS; + instr_maskirq <= mem_rdata_q[6:0] == 7'b0001011 && mem_rdata_q[31:25] == 7'b0000011 && ENABLE_IRQ; + instr_timer <= mem_rdata_q[6:0] == 7'b0001011 && mem_rdata_q[31:25] == 7'b0000101 && ENABLE_IRQ && ENABLE_IRQ_TIMER; + + is_slli_srli_srai <= is_alu_reg_imm && |{ + mem_rdata_q[14:12] == 3'b001 && mem_rdata_q[31:25] == 7'b0000000, + mem_rdata_q[14:12] == 3'b101 && mem_rdata_q[31:25] == 7'b0000000, + mem_rdata_q[14:12] == 3'b101 && mem_rdata_q[31:25] == 7'b0100000 + }; + + is_jalr_addi_slti_sltiu_xori_ori_andi <= instr_jalr || is_alu_reg_imm && |{ + mem_rdata_q[14:12] == 3'b000, + mem_rdata_q[14:12] == 3'b010, + mem_rdata_q[14:12] == 3'b011, + mem_rdata_q[14:12] == 3'b100, + mem_rdata_q[14:12] == 3'b110, + mem_rdata_q[14:12] == 3'b111 + }; + + is_sll_srl_sra <= is_alu_reg_reg && |{ + mem_rdata_q[14:12] == 3'b001 && mem_rdata_q[31:25] == 7'b0000000, + mem_rdata_q[14:12] == 3'b101 && mem_rdata_q[31:25] == 7'b0000000, + mem_rdata_q[14:12] == 3'b101 && mem_rdata_q[31:25] == 7'b0100000 + }; + + is_lui_auipc_jal_jalr_addi_add_sub <= 0; + is_compare <= 0; + + (* parallel_case *) + case (1'b1) + instr_jal: + decoded_imm <= decoded_imm_uj; + |{instr_lui, instr_auipc}: + decoded_imm <= mem_rdata_q[31:12] << 12; + |{instr_jalr, is_lb_lh_lw_lbu_lhu, is_alu_reg_imm}: + decoded_imm <= $signed(mem_rdata_q[31:20]); + is_beq_bne_blt_bge_bltu_bgeu: + decoded_imm <= $signed({mem_rdata_q[31], mem_rdata_q[7], mem_rdata_q[30:25], mem_rdata_q[11:8], 1'b0}); + is_sb_sh_sw: + decoded_imm <= $signed({mem_rdata_q[31:25], mem_rdata_q[11:7]}); + default: + decoded_imm <= 1'bx; + endcase + end + + if (!resetn) begin + is_beq_bne_blt_bge_bltu_bgeu <= 0; + is_compare <= 0; + + instr_beq <= 0; + instr_bne <= 0; + instr_blt <= 0; + instr_bge <= 0; + instr_bltu <= 0; + instr_bgeu <= 0; + + instr_addi <= 0; + instr_slti <= 0; + instr_sltiu <= 0; + instr_xori <= 0; + instr_ori <= 0; + instr_andi <= 0; + + instr_add <= 0; + instr_sub <= 0; + instr_sll <= 0; + instr_slt <= 0; + instr_sltu <= 0; + instr_xor <= 0; + instr_srl <= 0; + instr_sra <= 0; + instr_or <= 0; + instr_and <= 0; + end + end + + + // Main State Machine + + localparam cpu_state_trap = 8'b10000000; + localparam cpu_state_fetch = 8'b01000000; + localparam cpu_state_ld_rs1 = 8'b00100000; + localparam cpu_state_ld_rs2 = 8'b00010000; + localparam cpu_state_exec = 8'b00001000; + localparam cpu_state_shift = 8'b00000100; + localparam cpu_state_stmem = 8'b00000010; + localparam cpu_state_ldmem = 8'b00000001; + + reg [7:0] cpu_state; + reg [1:0] irq_state; + + `FORMAL_KEEP reg [127:0] dbg_ascii_state; + + always @* begin + dbg_ascii_state = ""; + if (cpu_state == cpu_state_trap) dbg_ascii_state = "trap"; + if (cpu_state == cpu_state_fetch) dbg_ascii_state = "fetch"; + if (cpu_state == cpu_state_ld_rs1) dbg_ascii_state = "ld_rs1"; + if (cpu_state == cpu_state_ld_rs2) dbg_ascii_state = "ld_rs2"; + if (cpu_state == cpu_state_exec) dbg_ascii_state = "exec"; + if (cpu_state == cpu_state_shift) dbg_ascii_state = "shift"; + if (cpu_state == cpu_state_stmem) dbg_ascii_state = "stmem"; + if (cpu_state == cpu_state_ldmem) dbg_ascii_state = "ldmem"; + end + + reg set_mem_do_rinst; + reg set_mem_do_rdata; + reg set_mem_do_wdata; + + reg latched_store; + reg latched_stalu; + reg latched_branch; + reg latched_compr; + reg latched_trace; + reg latched_is_lu; + reg latched_is_lh; + reg latched_is_lb; + reg [regindex_bits-1:0] latched_rd; + + reg [31:0] current_pc; + assign next_pc = latched_store && latched_branch ? reg_out & ~1 : reg_next_pc; + + reg [3:0] pcpi_timeout_counter; + reg pcpi_timeout; + + reg [31:0] next_irq_pending; + reg do_waitirq; + + reg [31:0] alu_out, alu_out_q; + reg alu_out_0, alu_out_0_q; + reg alu_wait, alu_wait_2; + + reg [31:0] alu_add_sub; + reg [31:0] alu_shl, alu_shr; + reg alu_eq, alu_ltu, alu_lts; + + generate if (TWO_CYCLE_ALU) begin + always @(posedge clk) begin + alu_add_sub <= instr_sub ? reg_op1 - reg_op2 : reg_op1 + reg_op2; + alu_eq <= reg_op1 == reg_op2; + alu_lts <= $signed(reg_op1) < $signed(reg_op2); + alu_ltu <= reg_op1 < reg_op2; + alu_shl <= reg_op1 << reg_op2[4:0]; + alu_shr <= $signed({instr_sra || instr_srai ? reg_op1[31] : 1'b0, reg_op1}) >>> reg_op2[4:0]; + end + end else begin + always @* begin + alu_add_sub = instr_sub ? reg_op1 - reg_op2 : reg_op1 + reg_op2; + alu_eq = reg_op1 == reg_op2; + alu_lts = $signed(reg_op1) < $signed(reg_op2); + alu_ltu = reg_op1 < reg_op2; + alu_shl = reg_op1 << reg_op2[4:0]; + alu_shr = $signed({instr_sra || instr_srai ? reg_op1[31] : 1'b0, reg_op1}) >>> reg_op2[4:0]; + end + end endgenerate + + always @* begin + alu_out_0 = 'bx; + (* parallel_case, full_case *) + case (1'b1) + instr_beq: + alu_out_0 = alu_eq; + instr_bne: + alu_out_0 = !alu_eq; + instr_bge: + alu_out_0 = !alu_lts; + instr_bgeu: + alu_out_0 = !alu_ltu; + is_slti_blt_slt && (!TWO_CYCLE_COMPARE || !{instr_beq,instr_bne,instr_bge,instr_bgeu}): + alu_out_0 = alu_lts; + is_sltiu_bltu_sltu && (!TWO_CYCLE_COMPARE || !{instr_beq,instr_bne,instr_bge,instr_bgeu}): + alu_out_0 = alu_ltu; + endcase + + alu_out = 'bx; + (* parallel_case, full_case *) + case (1'b1) + is_lui_auipc_jal_jalr_addi_add_sub: + alu_out = alu_add_sub; + is_compare: + alu_out = alu_out_0; + instr_xori || instr_xor: + alu_out = reg_op1 ^ reg_op2; + instr_ori || instr_or: + alu_out = reg_op1 | reg_op2; + instr_andi || instr_and: + alu_out = reg_op1 & reg_op2; + BARREL_SHIFTER && (instr_sll || instr_slli): + alu_out = alu_shl; + BARREL_SHIFTER && (instr_srl || instr_srli || instr_sra || instr_srai): + alu_out = alu_shr; + endcase + +`ifdef RISCV_FORMAL_BLACKBOX_ALU + alu_out_0 = $anyseq; + alu_out = $anyseq; +`endif + end + + reg clear_prefetched_high_word_q; + always @(posedge clk) clear_prefetched_high_word_q <= clear_prefetched_high_word; + + always @* begin + clear_prefetched_high_word = clear_prefetched_high_word_q; + if (!prefetched_high_word) + clear_prefetched_high_word = 0; + if (latched_branch || irq_state || !resetn) + clear_prefetched_high_word = COMPRESSED_ISA; + end + + reg cpuregs_write; + reg [31:0] cpuregs_wrdata; + reg [31:0] cpuregs_rs1; + reg [31:0] cpuregs_rs2; + reg [regindex_bits-1:0] decoded_rs; + + always @* begin + cpuregs_write = 0; + cpuregs_wrdata = 'bx; + + if (cpu_state == cpu_state_fetch) begin + (* parallel_case *) + case (1'b1) + latched_branch: begin + cpuregs_wrdata = reg_pc + (latched_compr ? 2 : 4); + cpuregs_write = 1; + end + latched_store && !latched_branch: begin + cpuregs_wrdata = latched_stalu ? alu_out_q : reg_out; + cpuregs_write = 1; + end + ENABLE_IRQ && irq_state[0]: begin + cpuregs_wrdata = reg_next_pc | latched_compr; + cpuregs_write = 1; + end + ENABLE_IRQ && irq_state[1]: begin + cpuregs_wrdata = irq_pending & ~irq_mask; + cpuregs_write = 1; + end + endcase + end + end + +`ifndef PICORV32_REGS + always @(posedge clk) begin + if (resetn && cpuregs_write && latched_rd) + cpuregs[latched_rd] <= cpuregs_wrdata; + end + + always @* begin + decoded_rs = 'bx; + if (ENABLE_REGS_DUALPORT) begin +`ifndef RISCV_FORMAL_BLACKBOX_REGS + cpuregs_rs1 = decoded_rs1 ? cpuregs[decoded_rs1] : 0; + cpuregs_rs2 = decoded_rs2 ? cpuregs[decoded_rs2] : 0; +`else + cpuregs_rs1 = decoded_rs1 ? $anyseq : 0; + cpuregs_rs2 = decoded_rs2 ? $anyseq : 0; +`endif + end else begin + decoded_rs = (cpu_state == cpu_state_ld_rs2) ? decoded_rs2 : decoded_rs1; +`ifndef RISCV_FORMAL_BLACKBOX_REGS + cpuregs_rs1 = decoded_rs ? cpuregs[decoded_rs] : 0; +`else + cpuregs_rs1 = decoded_rs ? $anyseq : 0; +`endif + cpuregs_rs2 = cpuregs_rs1; + end + end +`else + wire[31:0] cpuregs_rdata1; + wire[31:0] cpuregs_rdata2; + + wire [5:0] cpuregs_waddr = latched_rd; + wire [5:0] cpuregs_raddr1 = ENABLE_REGS_DUALPORT ? decoded_rs1 : decoded_rs; + wire [5:0] cpuregs_raddr2 = ENABLE_REGS_DUALPORT ? decoded_rs2 : 0; + + `PICORV32_REGS cpuregs ( + .clk(clk), + .wen(resetn && cpuregs_write && latched_rd), + .waddr(cpuregs_waddr), + .raddr1(cpuregs_raddr1), + .raddr2(cpuregs_raddr2), + .wdata(cpuregs_wrdata), + .rdata1(cpuregs_rdata1), + .rdata2(cpuregs_rdata2) + ); + + always @* begin + decoded_rs = 'bx; + if (ENABLE_REGS_DUALPORT) begin + cpuregs_rs1 = decoded_rs1 ? cpuregs_rdata1 : 0; + cpuregs_rs2 = decoded_rs2 ? cpuregs_rdata2 : 0; + end else begin + decoded_rs = (cpu_state == cpu_state_ld_rs2) ? decoded_rs2 : decoded_rs1; + cpuregs_rs1 = decoded_rs ? cpuregs_rdata1 : 0; + cpuregs_rs2 = cpuregs_rs1; + end + end +`endif + + assign launch_next_insn = cpu_state == cpu_state_fetch && decoder_trigger && (!ENABLE_IRQ || irq_delay || irq_active || !(irq_pending & ~irq_mask)); + + always @(posedge clk) begin + trap <= 0; + reg_sh <= 'bx; + reg_out <= 'bx; + set_mem_do_rinst = 0; + set_mem_do_rdata = 0; + set_mem_do_wdata = 0; + + alu_out_0_q <= alu_out_0; + alu_out_q <= alu_out; + + alu_wait <= 0; + alu_wait_2 <= 0; + + if (launch_next_insn) begin + dbg_rs1val <= 'bx; + dbg_rs2val <= 'bx; + dbg_rs1val_valid <= 0; + dbg_rs2val_valid <= 0; + end + + if (WITH_PCPI && CATCH_ILLINSN) begin + if (resetn && pcpi_valid && !pcpi_int_wait) begin + if (pcpi_timeout_counter) + pcpi_timeout_counter <= pcpi_timeout_counter - 1; + end else + pcpi_timeout_counter <= ~0; + pcpi_timeout <= !pcpi_timeout_counter; + end + + if (ENABLE_COUNTERS) begin + count_cycle <= resetn ? count_cycle + 1 : 0; + if (!ENABLE_COUNTERS64) count_cycle[63:32] <= 0; + end else begin + count_cycle <= 'bx; + count_instr <= 'bx; + end + + next_irq_pending = ENABLE_IRQ ? irq_pending & LATCHED_IRQ : 'bx; + + if (ENABLE_IRQ && ENABLE_IRQ_TIMER && timer) begin + if (timer - 1 == 0) + next_irq_pending[irq_timer] = 1; + timer <= timer - 1; + end + + if (ENABLE_IRQ) begin + next_irq_pending = next_irq_pending | irq; + end + + decoder_trigger <= mem_do_rinst && mem_done; + decoder_trigger_q <= decoder_trigger; + decoder_pseudo_trigger <= 0; + decoder_pseudo_trigger_q <= decoder_pseudo_trigger; + do_waitirq <= 0; + + trace_valid <= 0; + + if (!ENABLE_TRACE) + trace_data <= 'bx; + + if (!resetn) begin + reg_pc <= PROGADDR_RESET; + reg_next_pc <= PROGADDR_RESET; + if (ENABLE_COUNTERS) + count_instr <= 0; + latched_store <= 0; + latched_stalu <= 0; + latched_branch <= 0; + latched_trace <= 0; + latched_is_lu <= 0; + latched_is_lh <= 0; + latched_is_lb <= 0; + pcpi_valid <= 0; + pcpi_timeout <= 0; + irq_active <= 0; + irq_delay <= 0; + irq_mask <= ~0; + next_irq_pending = 0; + irq_state <= 0; + eoi <= 0; + timer <= 0; + if (~STACKADDR) begin + latched_store <= 1; + latched_rd <= 2; + reg_out <= STACKADDR; + end + cpu_state <= cpu_state_fetch; + end else + (* parallel_case, full_case *) + case (cpu_state) + cpu_state_trap: begin + trap <= 1; + end + + cpu_state_fetch: begin + mem_do_rinst <= !decoder_trigger && !do_waitirq; + mem_wordsize <= 0; + + current_pc = reg_next_pc; + + (* parallel_case *) + case (1'b1) + latched_branch: begin + current_pc = latched_store ? (latched_stalu ? alu_out_q : reg_out) & ~1 : reg_next_pc; + `debug($display("ST_RD: %2d 0x%08x, BRANCH 0x%08x", latched_rd, reg_pc + (latched_compr ? 2 : 4), current_pc);) + end + latched_store && !latched_branch: begin + `debug($display("ST_RD: %2d 0x%08x", latched_rd, latched_stalu ? alu_out_q : reg_out);) + end + ENABLE_IRQ && irq_state[0]: begin + current_pc = PROGADDR_IRQ; + irq_active <= 1; + mem_do_rinst <= 1; + end + ENABLE_IRQ && irq_state[1]: begin + eoi <= irq_pending & ~irq_mask; + next_irq_pending = next_irq_pending & irq_mask; + end + endcase + + if (ENABLE_TRACE && latched_trace) begin + latched_trace <= 0; + trace_valid <= 1; + if (latched_branch) + trace_data <= (irq_active ? TRACE_IRQ : 0) | TRACE_BRANCH | (current_pc & 32'hfffffffe); + else + trace_data <= (irq_active ? TRACE_IRQ : 0) | (latched_stalu ? alu_out_q : reg_out); + end + + reg_pc <= current_pc; + reg_next_pc <= current_pc; + + latched_store <= 0; + latched_stalu <= 0; + latched_branch <= 0; + latched_is_lu <= 0; + latched_is_lh <= 0; + latched_is_lb <= 0; + latched_rd <= decoded_rd; + latched_compr <= compressed_instr; + + if (ENABLE_IRQ && ((decoder_trigger && !irq_active && !irq_delay && |(irq_pending & ~irq_mask)) || irq_state)) begin + irq_state <= + irq_state == 2'b00 ? 2'b01 : + irq_state == 2'b01 ? 2'b10 : 2'b00; + latched_compr <= latched_compr; + if (ENABLE_IRQ_QREGS) + latched_rd <= irqregs_offset | irq_state[0]; + else + latched_rd <= irq_state[0] ? 4 : 3; + end else + if (ENABLE_IRQ && (decoder_trigger || do_waitirq) && instr_waitirq) begin + if (irq_pending) begin + latched_store <= 1; + reg_out <= irq_pending; + reg_next_pc <= current_pc + (compressed_instr ? 2 : 4); + mem_do_rinst <= 1; + end else + do_waitirq <= 1; + end else + if (decoder_trigger) begin + `debug($display("-- %-0t", $time);) + irq_delay <= irq_active; + reg_next_pc <= current_pc + (compressed_instr ? 2 : 4); + if (ENABLE_TRACE) + latched_trace <= 1; + if (ENABLE_COUNTERS) begin + count_instr <= count_instr + 1; + if (!ENABLE_COUNTERS64) count_instr[63:32] <= 0; + end + if (instr_jal) begin + mem_do_rinst <= 1; + reg_next_pc <= current_pc + decoded_imm_uj; + latched_branch <= 1; + end else begin + mem_do_rinst <= 0; + mem_do_prefetch <= !instr_jalr && !instr_retirq; + cpu_state <= cpu_state_ld_rs1; + end + end + end + + cpu_state_ld_rs1: begin + reg_op1 <= 'bx; + reg_op2 <= 'bx; + + (* parallel_case *) + case (1'b1) + (CATCH_ILLINSN || WITH_PCPI) && instr_trap: begin + if (WITH_PCPI) begin + `debug($display("LD_RS1: %2d 0x%08x", decoded_rs1, cpuregs_rs1);) + reg_op1 <= cpuregs_rs1; + dbg_rs1val <= cpuregs_rs1; + dbg_rs1val_valid <= 1; + if (ENABLE_REGS_DUALPORT) begin + pcpi_valid <= 1; + `debug($display("LD_RS2: %2d 0x%08x", decoded_rs2, cpuregs_rs2);) + reg_sh <= cpuregs_rs2; + reg_op2 <= cpuregs_rs2; + dbg_rs2val <= cpuregs_rs2; + dbg_rs2val_valid <= 1; + if (pcpi_int_ready) begin + mem_do_rinst <= 1; + pcpi_valid <= 0; + reg_out <= pcpi_int_rd; + latched_store <= pcpi_int_wr; + cpu_state <= cpu_state_fetch; + end else + if (CATCH_ILLINSN && (pcpi_timeout || instr_ecall_ebreak)) begin + pcpi_valid <= 0; + `debug($display("EBREAK OR UNSUPPORTED INSN AT 0x%08x", reg_pc);) + if (ENABLE_IRQ && !irq_mask[irq_ebreak] && !irq_active) begin + next_irq_pending[irq_ebreak] = 1; + cpu_state <= cpu_state_fetch; + end else + cpu_state <= cpu_state_trap; + end + end else begin + cpu_state <= cpu_state_ld_rs2; + end + end else begin + `debug($display("EBREAK OR UNSUPPORTED INSN AT 0x%08x", reg_pc);) + if (ENABLE_IRQ && !irq_mask[irq_ebreak] && !irq_active) begin + next_irq_pending[irq_ebreak] = 1; + cpu_state <= cpu_state_fetch; + end else + cpu_state <= cpu_state_trap; + end + end + ENABLE_COUNTERS && is_rdcycle_rdcycleh_rdinstr_rdinstrh: begin + (* parallel_case, full_case *) + case (1'b1) + instr_rdcycle: + reg_out <= count_cycle[31:0]; + instr_rdcycleh && ENABLE_COUNTERS64: + reg_out <= count_cycle[63:32]; + instr_rdinstr: + reg_out <= count_instr[31:0]; + instr_rdinstrh && ENABLE_COUNTERS64: + reg_out <= count_instr[63:32]; + endcase + latched_store <= 1; + cpu_state <= cpu_state_fetch; + end + is_lui_auipc_jal: begin + reg_op1 <= instr_lui ? 0 : reg_pc; + reg_op2 <= decoded_imm; + if (TWO_CYCLE_ALU) + alu_wait <= 1; + else + mem_do_rinst <= mem_do_prefetch; + cpu_state <= cpu_state_exec; + end + ENABLE_IRQ && ENABLE_IRQ_QREGS && instr_getq: begin + `debug($display("LD_RS1: %2d 0x%08x", decoded_rs1, cpuregs_rs1);) + reg_out <= cpuregs_rs1; + dbg_rs1val <= cpuregs_rs1; + dbg_rs1val_valid <= 1; + latched_store <= 1; + cpu_state <= cpu_state_fetch; + end + ENABLE_IRQ && ENABLE_IRQ_QREGS && instr_setq: begin + `debug($display("LD_RS1: %2d 0x%08x", decoded_rs1, cpuregs_rs1);) + reg_out <= cpuregs_rs1; + dbg_rs1val <= cpuregs_rs1; + dbg_rs1val_valid <= 1; + latched_rd <= latched_rd | irqregs_offset; + latched_store <= 1; + cpu_state <= cpu_state_fetch; + end + ENABLE_IRQ && instr_retirq: begin + eoi <= 0; + irq_active <= 0; + latched_branch <= 1; + latched_store <= 1; + `debug($display("LD_RS1: %2d 0x%08x", decoded_rs1, cpuregs_rs1);) + reg_out <= CATCH_MISALIGN ? (cpuregs_rs1 & 32'h fffffffe) : cpuregs_rs1; + dbg_rs1val <= cpuregs_rs1; + dbg_rs1val_valid <= 1; + cpu_state <= cpu_state_fetch; + end + ENABLE_IRQ && instr_maskirq: begin + latched_store <= 1; + reg_out <= irq_mask; + `debug($display("LD_RS1: %2d 0x%08x", decoded_rs1, cpuregs_rs1);) + irq_mask <= cpuregs_rs1 | MASKED_IRQ; + dbg_rs1val <= cpuregs_rs1; + dbg_rs1val_valid <= 1; + cpu_state <= cpu_state_fetch; + end + ENABLE_IRQ && ENABLE_IRQ_TIMER && instr_timer: begin + latched_store <= 1; + reg_out <= timer; + `debug($display("LD_RS1: %2d 0x%08x", decoded_rs1, cpuregs_rs1);) + timer <= cpuregs_rs1; + dbg_rs1val <= cpuregs_rs1; + dbg_rs1val_valid <= 1; + cpu_state <= cpu_state_fetch; + end + is_lb_lh_lw_lbu_lhu && !instr_trap: begin + `debug($display("LD_RS1: %2d 0x%08x", decoded_rs1, cpuregs_rs1);) + reg_op1 <= cpuregs_rs1; + dbg_rs1val <= cpuregs_rs1; + dbg_rs1val_valid <= 1; + cpu_state <= cpu_state_ldmem; + mem_do_rinst <= 1; + end + is_slli_srli_srai && !BARREL_SHIFTER: begin + `debug($display("LD_RS1: %2d 0x%08x", decoded_rs1, cpuregs_rs1);) + reg_op1 <= cpuregs_rs1; + dbg_rs1val <= cpuregs_rs1; + dbg_rs1val_valid <= 1; + reg_sh <= decoded_rs2; + cpu_state <= cpu_state_shift; + end + is_jalr_addi_slti_sltiu_xori_ori_andi, is_slli_srli_srai && BARREL_SHIFTER: begin + `debug($display("LD_RS1: %2d 0x%08x", decoded_rs1, cpuregs_rs1);) + reg_op1 <= cpuregs_rs1; + dbg_rs1val <= cpuregs_rs1; + dbg_rs1val_valid <= 1; + reg_op2 <= is_slli_srli_srai && BARREL_SHIFTER ? decoded_rs2 : decoded_imm; + if (TWO_CYCLE_ALU) + alu_wait <= 1; + else + mem_do_rinst <= mem_do_prefetch; + cpu_state <= cpu_state_exec; + end + default: begin + `debug($display("LD_RS1: %2d 0x%08x", decoded_rs1, cpuregs_rs1);) + reg_op1 <= cpuregs_rs1; + dbg_rs1val <= cpuregs_rs1; + dbg_rs1val_valid <= 1; + if (ENABLE_REGS_DUALPORT) begin + `debug($display("LD_RS2: %2d 0x%08x", decoded_rs2, cpuregs_rs2);) + reg_sh <= cpuregs_rs2; + reg_op2 <= cpuregs_rs2; + dbg_rs2val <= cpuregs_rs2; + dbg_rs2val_valid <= 1; + (* parallel_case *) + case (1'b1) + is_sb_sh_sw: begin + cpu_state <= cpu_state_stmem; + mem_do_rinst <= 1; + end + is_sll_srl_sra && !BARREL_SHIFTER: begin + cpu_state <= cpu_state_shift; + end + default: begin + if (TWO_CYCLE_ALU || (TWO_CYCLE_COMPARE && is_beq_bne_blt_bge_bltu_bgeu)) begin + alu_wait_2 <= TWO_CYCLE_ALU && (TWO_CYCLE_COMPARE && is_beq_bne_blt_bge_bltu_bgeu); + alu_wait <= 1; + end else + mem_do_rinst <= mem_do_prefetch; + cpu_state <= cpu_state_exec; + end + endcase + end else + cpu_state <= cpu_state_ld_rs2; + end + endcase + end + + cpu_state_ld_rs2: begin + `debug($display("LD_RS2: %2d 0x%08x", decoded_rs2, cpuregs_rs2);) + reg_sh <= cpuregs_rs2; + reg_op2 <= cpuregs_rs2; + dbg_rs2val <= cpuregs_rs2; + dbg_rs2val_valid <= 1; + + (* parallel_case *) + case (1'b1) + WITH_PCPI && instr_trap: begin + pcpi_valid <= 1; + if (pcpi_int_ready) begin + mem_do_rinst <= 1; + pcpi_valid <= 0; + reg_out <= pcpi_int_rd; + latched_store <= pcpi_int_wr; + cpu_state <= cpu_state_fetch; + end else + if (CATCH_ILLINSN && (pcpi_timeout || instr_ecall_ebreak)) begin + pcpi_valid <= 0; + `debug($display("EBREAK OR UNSUPPORTED INSN AT 0x%08x", reg_pc);) + if (ENABLE_IRQ && !irq_mask[irq_ebreak] && !irq_active) begin + next_irq_pending[irq_ebreak] = 1; + cpu_state <= cpu_state_fetch; + end else + cpu_state <= cpu_state_trap; + end + end + is_sb_sh_sw: begin + cpu_state <= cpu_state_stmem; + mem_do_rinst <= 1; + end + is_sll_srl_sra && !BARREL_SHIFTER: begin + cpu_state <= cpu_state_shift; + end + default: begin + if (TWO_CYCLE_ALU || (TWO_CYCLE_COMPARE && is_beq_bne_blt_bge_bltu_bgeu)) begin + alu_wait_2 <= TWO_CYCLE_ALU && (TWO_CYCLE_COMPARE && is_beq_bne_blt_bge_bltu_bgeu); + alu_wait <= 1; + end else + mem_do_rinst <= mem_do_prefetch; + cpu_state <= cpu_state_exec; + end + endcase + end + + cpu_state_exec: begin + reg_out <= reg_pc + decoded_imm; + if ((TWO_CYCLE_ALU || TWO_CYCLE_COMPARE) && (alu_wait || alu_wait_2)) begin + mem_do_rinst <= mem_do_prefetch && !alu_wait_2; + alu_wait <= alu_wait_2; + end else + if (is_beq_bne_blt_bge_bltu_bgeu) begin + latched_rd <= 0; + latched_store <= TWO_CYCLE_COMPARE ? alu_out_0_q : alu_out_0; + latched_branch <= TWO_CYCLE_COMPARE ? alu_out_0_q : alu_out_0; + if (mem_done) + cpu_state <= cpu_state_fetch; + if (TWO_CYCLE_COMPARE ? alu_out_0_q : alu_out_0) begin + decoder_trigger <= 0; + set_mem_do_rinst = 1; + end + end else begin + latched_branch <= instr_jalr; + latched_store <= 1; + latched_stalu <= 1; + cpu_state <= cpu_state_fetch; + end + end + + cpu_state_shift: begin + latched_store <= 1; + if (reg_sh == 0) begin + reg_out <= reg_op1; + mem_do_rinst <= mem_do_prefetch; + cpu_state <= cpu_state_fetch; + end else if (TWO_STAGE_SHIFT && reg_sh >= 4) begin + (* parallel_case, full_case *) + case (1'b1) + instr_slli || instr_sll: reg_op1 <= reg_op1 << 4; + instr_srli || instr_srl: reg_op1 <= reg_op1 >> 4; + instr_srai || instr_sra: reg_op1 <= $signed(reg_op1) >>> 4; + endcase + reg_sh <= reg_sh - 4; + end else begin + (* parallel_case, full_case *) + case (1'b1) + instr_slli || instr_sll: reg_op1 <= reg_op1 << 1; + instr_srli || instr_srl: reg_op1 <= reg_op1 >> 1; + instr_srai || instr_sra: reg_op1 <= $signed(reg_op1) >>> 1; + endcase + reg_sh <= reg_sh - 1; + end + end + + cpu_state_stmem: begin + if (ENABLE_TRACE) + reg_out <= reg_op2; + if (!mem_do_prefetch || mem_done) begin + if (!mem_do_wdata) begin + (* parallel_case, full_case *) + case (1'b1) + instr_sb: mem_wordsize <= 2; + instr_sh: mem_wordsize <= 1; + instr_sw: mem_wordsize <= 0; + endcase + if (ENABLE_TRACE) begin + trace_valid <= 1; + trace_data <= (irq_active ? TRACE_IRQ : 0) | TRACE_ADDR | ((reg_op1 + decoded_imm) & 32'hffffffff); + end + reg_op1 <= reg_op1 + decoded_imm; + set_mem_do_wdata = 1; + end + if (!mem_do_prefetch && mem_done) begin + cpu_state <= cpu_state_fetch; + decoder_trigger <= 1; + decoder_pseudo_trigger <= 1; + end + end + end + + cpu_state_ldmem: begin + latched_store <= 1; + if (!mem_do_prefetch || mem_done) begin + if (!mem_do_rdata) begin + (* parallel_case, full_case *) + case (1'b1) + instr_lb || instr_lbu: mem_wordsize <= 2; + instr_lh || instr_lhu: mem_wordsize <= 1; + instr_lw: mem_wordsize <= 0; + endcase + latched_is_lu <= is_lbu_lhu_lw; + latched_is_lh <= instr_lh; + latched_is_lb <= instr_lb; + if (ENABLE_TRACE) begin + trace_valid <= 1; + trace_data <= (irq_active ? TRACE_IRQ : 0) | TRACE_ADDR | ((reg_op1 + decoded_imm) & 32'hffffffff); + end + reg_op1 <= reg_op1 + decoded_imm; + set_mem_do_rdata = 1; + end + if (!mem_do_prefetch && mem_done) begin + (* parallel_case, full_case *) + case (1'b1) + latched_is_lu: reg_out <= mem_rdata_word; + latched_is_lh: reg_out <= $signed(mem_rdata_word[15:0]); + latched_is_lb: reg_out <= $signed(mem_rdata_word[7:0]); + endcase + decoder_trigger <= 1; + decoder_pseudo_trigger <= 1; + cpu_state <= cpu_state_fetch; + end + end + end + endcase + + if (CATCH_MISALIGN && resetn && (mem_do_rdata || mem_do_wdata)) begin + if (mem_wordsize == 0 && reg_op1[1:0] != 0) begin + `debug($display("MISALIGNED WORD: 0x%08x", reg_op1);) + if (ENABLE_IRQ && !irq_mask[irq_buserror] && !irq_active) begin + next_irq_pending[irq_buserror] = 1; + end else + cpu_state <= cpu_state_trap; + end + if (mem_wordsize == 1 && reg_op1[0] != 0) begin + `debug($display("MISALIGNED HALFWORD: 0x%08x", reg_op1);) + if (ENABLE_IRQ && !irq_mask[irq_buserror] && !irq_active) begin + next_irq_pending[irq_buserror] = 1; + end else + cpu_state <= cpu_state_trap; + end + end + if (CATCH_MISALIGN && resetn && mem_do_rinst && (COMPRESSED_ISA ? reg_pc[0] : |reg_pc[1:0])) begin + `debug($display("MISALIGNED INSTRUCTION: 0x%08x", reg_pc);) + if (ENABLE_IRQ && !irq_mask[irq_buserror] && !irq_active) begin + next_irq_pending[irq_buserror] = 1; + end else + cpu_state <= cpu_state_trap; + end + if (!CATCH_ILLINSN && decoder_trigger_q && !decoder_pseudo_trigger_q && instr_ecall_ebreak) begin + cpu_state <= cpu_state_trap; + end + + if (!resetn || mem_done) begin + mem_do_prefetch <= 0; + mem_do_rinst <= 0; + mem_do_rdata <= 0; + mem_do_wdata <= 0; + end + + if (set_mem_do_rinst) + mem_do_rinst <= 1; + if (set_mem_do_rdata) + mem_do_rdata <= 1; + if (set_mem_do_wdata) + mem_do_wdata <= 1; + + irq_pending <= next_irq_pending & ~MASKED_IRQ; + + if (!CATCH_MISALIGN) begin + if (COMPRESSED_ISA) begin + reg_pc[0] <= 0; + reg_next_pc[0] <= 0; + end else begin + reg_pc[1:0] <= 0; + reg_next_pc[1:0] <= 0; + end + end + current_pc = 'bx; + end + +`ifdef RISCV_FORMAL + reg dbg_irq_call; + reg dbg_irq_enter; + reg [31:0] dbg_irq_ret; + always @(posedge clk) begin + rvfi_valid <= resetn && (launch_next_insn || trap) && dbg_valid_insn; + rvfi_order <= resetn ? rvfi_order + rvfi_valid : 0; + + rvfi_insn <= dbg_insn_opcode; + rvfi_rs1_addr <= dbg_rs1val_valid ? dbg_insn_rs1 : 0; + rvfi_rs2_addr <= dbg_rs2val_valid ? dbg_insn_rs2 : 0; + rvfi_pc_rdata <= dbg_insn_addr; + rvfi_rs1_rdata <= dbg_rs1val_valid ? dbg_rs1val : 0; + rvfi_rs2_rdata <= dbg_rs2val_valid ? dbg_rs2val : 0; + rvfi_trap <= trap; + rvfi_halt <= trap; + rvfi_intr <= dbg_irq_enter; + + if (!resetn) begin + dbg_irq_call <= 0; + dbg_irq_enter <= 0; + end else + if (rvfi_valid) begin + dbg_irq_call <= 0; + dbg_irq_enter <= dbg_irq_call; + end else + if (irq_state == 1) begin + dbg_irq_call <= 1; + dbg_irq_ret <= next_pc; + end + + if (!resetn) begin + rvfi_rd_addr <= 0; + rvfi_rd_wdata <= 0; + end else + if (cpuregs_write && !irq_state) begin + rvfi_rd_addr <= latched_rd; + rvfi_rd_wdata <= latched_rd ? cpuregs_wrdata : 0; + end else + if (rvfi_valid) begin + rvfi_rd_addr <= 0; + rvfi_rd_wdata <= 0; + end + + casez (dbg_insn_opcode) + 32'b 0000000_?????_000??_???_?????_0001011: begin // getq + rvfi_rs1_addr <= 0; + rvfi_rs1_rdata <= 0; + end + 32'b 0000001_?????_?????_???_000??_0001011: begin // setq + rvfi_rd_addr <= 0; + rvfi_rd_wdata <= 0; + end + 32'b 0000010_?????_00000_???_00000_0001011: begin // retirq + rvfi_rs1_addr <= 0; + rvfi_rs1_rdata <= 0; + end + endcase + + if (!dbg_irq_call) begin + if (dbg_mem_instr) begin + rvfi_mem_addr <= 0; + rvfi_mem_rmask <= 0; + rvfi_mem_wmask <= 0; + rvfi_mem_rdata <= 0; + rvfi_mem_wdata <= 0; + end else + if (dbg_mem_valid && dbg_mem_ready) begin + rvfi_mem_addr <= dbg_mem_addr; + rvfi_mem_rmask <= dbg_mem_wstrb ? 0 : ~0; + rvfi_mem_wmask <= dbg_mem_wstrb; + rvfi_mem_rdata <= dbg_mem_rdata; + rvfi_mem_wdata <= dbg_mem_wdata; + end + end + end + + always @* begin + rvfi_pc_wdata = dbg_irq_call ? dbg_irq_ret : dbg_insn_addr; + end +`endif + + // Formal Verification +`ifdef FORMAL + reg [3:0] last_mem_nowait; + always @(posedge clk) + last_mem_nowait <= {last_mem_nowait, mem_ready || !mem_valid}; + + // stall the memory interface for max 4 cycles + restrict property (|last_mem_nowait || mem_ready || !mem_valid); + + // resetn low in first cycle, after that resetn high + restrict property (resetn != $initstate); + + // this just makes it much easier to read traces. uncomment as needed. + // assume property (mem_valid || !mem_ready); + + reg ok; + always @* begin + if (resetn) begin + // instruction fetches are read-only + if (mem_valid && mem_instr) + assert (mem_wstrb == 0); + + // cpu_state must be valid + ok = 0; + if (cpu_state == cpu_state_trap) ok = 1; + if (cpu_state == cpu_state_fetch) ok = 1; + if (cpu_state == cpu_state_ld_rs1) ok = 1; + if (cpu_state == cpu_state_ld_rs2) ok = !ENABLE_REGS_DUALPORT; + if (cpu_state == cpu_state_exec) ok = 1; + if (cpu_state == cpu_state_shift) ok = 1; + if (cpu_state == cpu_state_stmem) ok = 1; + if (cpu_state == cpu_state_ldmem) ok = 1; + assert (ok); + end + end + + reg last_mem_la_read = 0; + reg last_mem_la_write = 0; + reg [31:0] last_mem_la_addr; + reg [31:0] last_mem_la_wdata; + reg [3:0] last_mem_la_wstrb = 0; + + always @(posedge clk) begin + last_mem_la_read <= mem_la_read; + last_mem_la_write <= mem_la_write; + last_mem_la_addr <= mem_la_addr; + last_mem_la_wdata <= mem_la_wdata; + last_mem_la_wstrb <= mem_la_wstrb; + + if (last_mem_la_read) begin + assert(mem_valid); + assert(mem_addr == last_mem_la_addr); + assert(mem_wstrb == 0); + end + if (last_mem_la_write) begin + assert(mem_valid); + assert(mem_addr == last_mem_la_addr); + assert(mem_wdata == last_mem_la_wdata); + assert(mem_wstrb == last_mem_la_wstrb); + end + if (mem_la_read || mem_la_write) begin + assert(!mem_valid || mem_ready); + end + end +`endif +endmodule + +// This is a simple example implementation of PICORV32_REGS. +// Use the PICORV32_REGS mechanism if you want to use custom +// memory resources to implement the processor register file. +// Note that your implementation must match the requirements of +// the PicoRV32 configuration. (e.g. QREGS, etc) +module picorv32_regs ( + input clk, wen, + input [5:0] waddr, + input [5:0] raddr1, + input [5:0] raddr2, + input [31:0] wdata, + output [31:0] rdata1, + output [31:0] rdata2 +); + reg [31:0] regs [0:30]; + + always @(posedge clk) + if (wen) regs[~waddr[4:0]] <= wdata; + + assign rdata1 = regs[~raddr1[4:0]]; + assign rdata2 = regs[~raddr2[4:0]]; +endmodule + + +/*************************************************************** + * picorv32_pcpi_mul + ***************************************************************/ + +module picorv32_pcpi_mul #( + parameter STEPS_AT_ONCE = 1, + parameter CARRY_CHAIN = 4 +) ( + input clk, resetn, + + input pcpi_valid, + input [31:0] pcpi_insn, + input [31:0] pcpi_rs1, + input [31:0] pcpi_rs2, + output reg pcpi_wr, + output reg [31:0] pcpi_rd, + output reg pcpi_wait, + output reg pcpi_ready +); + reg instr_mul, instr_mulh, instr_mulhsu, instr_mulhu; + wire instr_any_mul = |{instr_mul, instr_mulh, instr_mulhsu, instr_mulhu}; + wire instr_any_mulh = |{instr_mulh, instr_mulhsu, instr_mulhu}; + wire instr_rs1_signed = |{instr_mulh, instr_mulhsu}; + wire instr_rs2_signed = |{instr_mulh}; + + reg pcpi_wait_q; + wire mul_start = pcpi_wait && !pcpi_wait_q; + + always @(posedge clk) begin + instr_mul <= 0; + instr_mulh <= 0; + instr_mulhsu <= 0; + instr_mulhu <= 0; + + if (resetn && pcpi_valid && pcpi_insn[6:0] == 7'b0110011 && pcpi_insn[31:25] == 7'b0000001) begin + case (pcpi_insn[14:12]) + 3'b000: instr_mul <= 1; + 3'b001: instr_mulh <= 1; + 3'b010: instr_mulhsu <= 1; + 3'b011: instr_mulhu <= 1; + endcase + end + + pcpi_wait <= instr_any_mul; + pcpi_wait_q <= pcpi_wait; + end + + reg [63:0] rs1, rs2, rd, rdx; + reg [63:0] next_rs1, next_rs2, this_rs2; + reg [63:0] next_rd, next_rdx, next_rdt; + reg [6:0] mul_counter; + reg mul_waiting; + reg mul_finish; + integer i, j; + + // carry save accumulator + always @* begin + next_rd = rd; + next_rdx = rdx; + next_rs1 = rs1; + next_rs2 = rs2; + + for (i = 0; i < STEPS_AT_ONCE; i=i+1) begin + this_rs2 = next_rs1[0] ? next_rs2 : 0; + if (CARRY_CHAIN == 0) begin + next_rdt = next_rd ^ next_rdx ^ this_rs2; + next_rdx = ((next_rd & next_rdx) | (next_rd & this_rs2) | (next_rdx & this_rs2)) << 1; + next_rd = next_rdt; + end else begin + next_rdt = 0; + for (j = 0; j < 64; j = j + CARRY_CHAIN) + {next_rdt[j+CARRY_CHAIN-1], next_rd[j +: CARRY_CHAIN]} = + next_rd[j +: CARRY_CHAIN] + next_rdx[j +: CARRY_CHAIN] + this_rs2[j +: CARRY_CHAIN]; + next_rdx = next_rdt << 1; + end + next_rs1 = next_rs1 >> 1; + next_rs2 = next_rs2 << 1; + end + end + + always @(posedge clk) begin + mul_finish <= 0; + if (!resetn) begin + mul_waiting <= 1; + end else + if (mul_waiting) begin + if (instr_rs1_signed) + rs1 <= $signed(pcpi_rs1); + else + rs1 <= $unsigned(pcpi_rs1); + + if (instr_rs2_signed) + rs2 <= $signed(pcpi_rs2); + else + rs2 <= $unsigned(pcpi_rs2); + + rd <= 0; + rdx <= 0; + mul_counter <= (instr_any_mulh ? 63 - STEPS_AT_ONCE : 31 - STEPS_AT_ONCE); + mul_waiting <= !mul_start; + end else begin + rd <= next_rd; + rdx <= next_rdx; + rs1 <= next_rs1; + rs2 <= next_rs2; + + mul_counter <= mul_counter - STEPS_AT_ONCE; + if (mul_counter[6]) begin + mul_finish <= 1; + mul_waiting <= 1; + end + end + end + + always @(posedge clk) begin + pcpi_wr <= 0; + pcpi_ready <= 0; + if (mul_finish && resetn) begin + pcpi_wr <= 1; + pcpi_ready <= 1; + pcpi_rd <= instr_any_mulh ? rd >> 32 : rd; + end + end +endmodule + +module picorv32_pcpi_fast_mul #( + parameter EXTRA_MUL_FFS = 0, + parameter EXTRA_INSN_FFS = 0, + parameter MUL_CLKGATE = 0 +) ( + input clk, resetn, + + input pcpi_valid, + input [31:0] pcpi_insn, + input [31:0] pcpi_rs1, + input [31:0] pcpi_rs2, + output pcpi_wr, + output [31:0] pcpi_rd, + output pcpi_wait, + output pcpi_ready +); + reg instr_mul, instr_mulh, instr_mulhsu, instr_mulhu; + wire instr_any_mul = |{instr_mul, instr_mulh, instr_mulhsu, instr_mulhu}; + wire instr_any_mulh = |{instr_mulh, instr_mulhsu, instr_mulhu}; + wire instr_rs1_signed = |{instr_mulh, instr_mulhsu}; + wire instr_rs2_signed = |{instr_mulh}; + + reg shift_out; + reg [3:0] active; + reg [32:0] rs1, rs2, rs1_q, rs2_q; + reg [63:0] rd, rd_q; + + wire pcpi_insn_valid = pcpi_valid && pcpi_insn[6:0] == 7'b0110011 && pcpi_insn[31:25] == 7'b0000001; + reg pcpi_insn_valid_q; + + always @* begin + instr_mul = 0; + instr_mulh = 0; + instr_mulhsu = 0; + instr_mulhu = 0; + + if (resetn && (EXTRA_INSN_FFS ? pcpi_insn_valid_q : pcpi_insn_valid)) begin + case (pcpi_insn[14:12]) + 3'b000: instr_mul = 1; + 3'b001: instr_mulh = 1; + 3'b010: instr_mulhsu = 1; + 3'b011: instr_mulhu = 1; + endcase + end + end + + always @(posedge clk) begin + pcpi_insn_valid_q <= pcpi_insn_valid; + if (!MUL_CLKGATE || active[0]) begin + rs1_q <= rs1; + rs2_q <= rs2; + end + if (!MUL_CLKGATE || active[1]) begin + rd <= $signed(EXTRA_MUL_FFS ? rs1_q : rs1) * $signed(EXTRA_MUL_FFS ? rs2_q : rs2); + end + if (!MUL_CLKGATE || active[2]) begin + rd_q <= rd; + end + end + + always @(posedge clk) begin + if (instr_any_mul && !(EXTRA_MUL_FFS ? active[3:0] : active[1:0])) begin + if (instr_rs1_signed) + rs1 <= $signed(pcpi_rs1); + else + rs1 <= $unsigned(pcpi_rs1); + + if (instr_rs2_signed) + rs2 <= $signed(pcpi_rs2); + else + rs2 <= $unsigned(pcpi_rs2); + active[0] <= 1; + end else begin + active[0] <= 0; + end + + active[3:1] <= active; + shift_out <= instr_any_mulh; + + if (!resetn) + active <= 0; + end + + assign pcpi_wr = active[EXTRA_MUL_FFS ? 3 : 1]; + assign pcpi_wait = 0; + assign pcpi_ready = active[EXTRA_MUL_FFS ? 3 : 1]; +`ifdef RISCV_FORMAL_ALTOPS + assign pcpi_rd = + instr_mul ? (pcpi_rs1 + pcpi_rs2) ^ 32'h5876063e : + instr_mulh ? (pcpi_rs1 + pcpi_rs2) ^ 32'hf6583fb7 : + instr_mulhsu ? (pcpi_rs1 - pcpi_rs2) ^ 32'hecfbe137 : + instr_mulhu ? (pcpi_rs1 + pcpi_rs2) ^ 32'h949ce5e8 : 1'bx; +`else + assign pcpi_rd = shift_out ? (EXTRA_MUL_FFS ? rd_q : rd) >> 32 : (EXTRA_MUL_FFS ? rd_q : rd); +`endif +endmodule + + +/*************************************************************** + * picorv32_pcpi_div + ***************************************************************/ + +module picorv32_pcpi_div ( + input clk, resetn, + + input pcpi_valid, + input [31:0] pcpi_insn, + input [31:0] pcpi_rs1, + input [31:0] pcpi_rs2, + output reg pcpi_wr, + output reg [31:0] pcpi_rd, + output reg pcpi_wait, + output reg pcpi_ready +); + reg instr_div, instr_divu, instr_rem, instr_remu; + wire instr_any_div_rem = |{instr_div, instr_divu, instr_rem, instr_remu}; + + reg pcpi_wait_q; + wire start = pcpi_wait && !pcpi_wait_q; + + always @(posedge clk) begin + instr_div <= 0; + instr_divu <= 0; + instr_rem <= 0; + instr_remu <= 0; + + if (resetn && pcpi_valid && !pcpi_ready && pcpi_insn[6:0] == 7'b0110011 && pcpi_insn[31:25] == 7'b0000001) begin + case (pcpi_insn[14:12]) + 3'b100: instr_div <= 1; + 3'b101: instr_divu <= 1; + 3'b110: instr_rem <= 1; + 3'b111: instr_remu <= 1; + endcase + end + + pcpi_wait <= instr_any_div_rem && resetn; + pcpi_wait_q <= pcpi_wait && resetn; + end + + reg [31:0] dividend; + reg [62:0] divisor; + reg [31:0] quotient; + reg [31:0] quotient_msk; + reg running; + reg outsign; + + always @(posedge clk) begin + pcpi_ready <= 0; + pcpi_wr <= 0; + pcpi_rd <= 'bx; + + if (!resetn) begin + running <= 0; + end else + if (start) begin + running <= 1; + dividend <= (instr_div || instr_rem) && pcpi_rs1[31] ? -pcpi_rs1 : pcpi_rs1; + divisor <= ((instr_div || instr_rem) && pcpi_rs2[31] ? -pcpi_rs2 : pcpi_rs2) << 31; + outsign <= (instr_div && (pcpi_rs1[31] != pcpi_rs2[31]) && |pcpi_rs2) || (instr_rem && pcpi_rs1[31]); + quotient <= 0; + quotient_msk <= 1 << 31; + end else + if (!quotient_msk && running) begin + running <= 0; + pcpi_ready <= 1; + pcpi_wr <= 1; +`ifdef RISCV_FORMAL_ALTOPS + case (1) + instr_div: pcpi_rd <= (pcpi_rs1 - pcpi_rs2) ^ 32'h7f8529ec; + instr_divu: pcpi_rd <= (pcpi_rs1 - pcpi_rs2) ^ 32'h10e8fd70; + instr_rem: pcpi_rd <= (pcpi_rs1 - pcpi_rs2) ^ 32'h8da68fa5; + instr_remu: pcpi_rd <= (pcpi_rs1 - pcpi_rs2) ^ 32'h3138d0e1; + endcase +`else + if (instr_div || instr_divu) + pcpi_rd <= outsign ? -quotient : quotient; + else + pcpi_rd <= outsign ? -dividend : dividend; +`endif + end else begin + if (divisor <= dividend) begin + dividend <= dividend - divisor; + quotient <= quotient | quotient_msk; + end + divisor <= divisor >> 1; +`ifdef RISCV_FORMAL_ALTOPS + quotient_msk <= quotient_msk >> 5; +`else + quotient_msk <= quotient_msk >> 1; +`endif + end + end +endmodule + + +/*************************************************************** + * picorv32_axi + ***************************************************************/ + +module picorv32_axi #( + parameter [ 0:0] ENABLE_COUNTERS = 1, + parameter [ 0:0] ENABLE_COUNTERS64 = 1, + parameter [ 0:0] ENABLE_REGS_16_31 = 1, + parameter [ 0:0] ENABLE_REGS_DUALPORT = 1, + parameter [ 0:0] TWO_STAGE_SHIFT = 1, + parameter [ 0:0] BARREL_SHIFTER = 0, + parameter [ 0:0] TWO_CYCLE_COMPARE = 0, + parameter [ 0:0] TWO_CYCLE_ALU = 0, + parameter [ 0:0] COMPRESSED_ISA = 0, + parameter [ 0:0] CATCH_MISALIGN = 1, + parameter [ 0:0] CATCH_ILLINSN = 1, + parameter [ 0:0] ENABLE_PCPI = 0, + parameter [ 0:0] ENABLE_MUL = 0, + parameter [ 0:0] ENABLE_FAST_MUL = 0, + parameter [ 0:0] ENABLE_DIV = 0, + parameter [ 0:0] ENABLE_IRQ = 0, + parameter [ 0:0] ENABLE_IRQ_QREGS = 1, + parameter [ 0:0] ENABLE_IRQ_TIMER = 1, + parameter [ 0:0] ENABLE_TRACE = 0, + parameter [ 0:0] REGS_INIT_ZERO = 0, + parameter [31:0] MASKED_IRQ = 32'h 0000_0000, + parameter [31:0] LATCHED_IRQ = 32'h ffff_ffff, + parameter [31:0] PROGADDR_RESET = 32'h 0000_0000, + parameter [31:0] PROGADDR_IRQ = 32'h 0000_0010, + parameter [31:0] STACKADDR = 32'h ffff_ffff +) ( + input clk, resetn, + output trap, + + // AXI4-lite master memory interface + + output mem_axi_awvalid, + input mem_axi_awready, + output [31:0] mem_axi_awaddr, + output [ 2:0] mem_axi_awprot, + + output mem_axi_wvalid, + input mem_axi_wready, + output [31:0] mem_axi_wdata, + output [ 3:0] mem_axi_wstrb, + + input mem_axi_bvalid, + output mem_axi_bready, + + output mem_axi_arvalid, + input mem_axi_arready, + output [31:0] mem_axi_araddr, + output [ 2:0] mem_axi_arprot, + + input mem_axi_rvalid, + output mem_axi_rready, + input [31:0] mem_axi_rdata, + + // Pico Co-Processor Interface (PCPI) + output pcpi_valid, + output [31:0] pcpi_insn, + output [31:0] pcpi_rs1, + output [31:0] pcpi_rs2, + input pcpi_wr, + input [31:0] pcpi_rd, + input pcpi_wait, + input pcpi_ready, + + // IRQ interface + input [31:0] irq, + output [31:0] eoi, + +`ifdef RISCV_FORMAL + output rvfi_valid, + output [63:0] rvfi_order, + output [31:0] rvfi_insn, + output rvfi_trap, + output rvfi_halt, + output rvfi_intr, + output [ 4:0] rvfi_rs1_addr, + output [ 4:0] rvfi_rs2_addr, + output [31:0] rvfi_rs1_rdata, + output [31:0] rvfi_rs2_rdata, + output [ 4:0] rvfi_rd_addr, + output [31:0] rvfi_rd_wdata, + output [31:0] rvfi_pc_rdata, + output [31:0] rvfi_pc_wdata, + output [31:0] rvfi_mem_addr, + output [ 3:0] rvfi_mem_rmask, + output [ 3:0] rvfi_mem_wmask, + output [31:0] rvfi_mem_rdata, + output [31:0] rvfi_mem_wdata, +`endif + + // Trace Interface + output trace_valid, + output [35:0] trace_data +); + wire mem_valid; + wire [31:0] mem_addr; + wire [31:0] mem_wdata; + wire [ 3:0] mem_wstrb; + wire mem_instr; + wire mem_ready; + wire [31:0] mem_rdata; + + picorv32_axi_adapter axi_adapter ( + .clk (clk ), + .resetn (resetn ), + .mem_axi_awvalid(mem_axi_awvalid), + .mem_axi_awready(mem_axi_awready), + .mem_axi_awaddr (mem_axi_awaddr ), + .mem_axi_awprot (mem_axi_awprot ), + .mem_axi_wvalid (mem_axi_wvalid ), + .mem_axi_wready (mem_axi_wready ), + .mem_axi_wdata (mem_axi_wdata ), + .mem_axi_wstrb (mem_axi_wstrb ), + .mem_axi_bvalid (mem_axi_bvalid ), + .mem_axi_bready (mem_axi_bready ), + .mem_axi_arvalid(mem_axi_arvalid), + .mem_axi_arready(mem_axi_arready), + .mem_axi_araddr (mem_axi_araddr ), + .mem_axi_arprot (mem_axi_arprot ), + .mem_axi_rvalid (mem_axi_rvalid ), + .mem_axi_rready (mem_axi_rready ), + .mem_axi_rdata (mem_axi_rdata ), + .mem_valid (mem_valid ), + .mem_instr (mem_instr ), + .mem_ready (mem_ready ), + .mem_addr (mem_addr ), + .mem_wdata (mem_wdata ), + .mem_wstrb (mem_wstrb ), + .mem_rdata (mem_rdata ) + ); + + picorv32 #( + .ENABLE_COUNTERS (ENABLE_COUNTERS ), + .ENABLE_COUNTERS64 (ENABLE_COUNTERS64 ), + .ENABLE_REGS_16_31 (ENABLE_REGS_16_31 ), + .ENABLE_REGS_DUALPORT(ENABLE_REGS_DUALPORT), + .TWO_STAGE_SHIFT (TWO_STAGE_SHIFT ), + .BARREL_SHIFTER (BARREL_SHIFTER ), + .TWO_CYCLE_COMPARE (TWO_CYCLE_COMPARE ), + .TWO_CYCLE_ALU (TWO_CYCLE_ALU ), + .COMPRESSED_ISA (COMPRESSED_ISA ), + .CATCH_MISALIGN (CATCH_MISALIGN ), + .CATCH_ILLINSN (CATCH_ILLINSN ), + .ENABLE_PCPI (ENABLE_PCPI ), + .ENABLE_MUL (ENABLE_MUL ), + .ENABLE_FAST_MUL (ENABLE_FAST_MUL ), + .ENABLE_DIV (ENABLE_DIV ), + .ENABLE_IRQ (ENABLE_IRQ ), + .ENABLE_IRQ_QREGS (ENABLE_IRQ_QREGS ), + .ENABLE_IRQ_TIMER (ENABLE_IRQ_TIMER ), + .ENABLE_TRACE (ENABLE_TRACE ), + .REGS_INIT_ZERO (REGS_INIT_ZERO ), + .MASKED_IRQ (MASKED_IRQ ), + .LATCHED_IRQ (LATCHED_IRQ ), + .PROGADDR_RESET (PROGADDR_RESET ), + .PROGADDR_IRQ (PROGADDR_IRQ ), + .STACKADDR (STACKADDR ) + ) picorv32_core ( + .clk (clk ), + .resetn (resetn), + .trap (trap ), + + .mem_valid(mem_valid), + .mem_addr (mem_addr ), + .mem_wdata(mem_wdata), + .mem_wstrb(mem_wstrb), + .mem_instr(mem_instr), + .mem_ready(mem_ready), + .mem_rdata(mem_rdata), + + .pcpi_valid(pcpi_valid), + .pcpi_insn (pcpi_insn ), + .pcpi_rs1 (pcpi_rs1 ), + .pcpi_rs2 (pcpi_rs2 ), + .pcpi_wr (pcpi_wr ), + .pcpi_rd (pcpi_rd ), + .pcpi_wait (pcpi_wait ), + .pcpi_ready(pcpi_ready), + + .irq(irq), + .eoi(eoi), + +`ifdef RISCV_FORMAL + .rvfi_valid (rvfi_valid ), + .rvfi_order (rvfi_order ), + .rvfi_insn (rvfi_insn ), + .rvfi_trap (rvfi_trap ), + .rvfi_halt (rvfi_halt ), + .rvfi_intr (rvfi_intr ), + .rvfi_rs1_addr (rvfi_rs1_addr ), + .rvfi_rs2_addr (rvfi_rs2_addr ), + .rvfi_rs1_rdata(rvfi_rs1_rdata), + .rvfi_rs2_rdata(rvfi_rs2_rdata), + .rvfi_rd_addr (rvfi_rd_addr ), + .rvfi_rd_wdata (rvfi_rd_wdata ), + .rvfi_pc_rdata (rvfi_pc_rdata ), + .rvfi_pc_wdata (rvfi_pc_wdata ), + .rvfi_mem_addr (rvfi_mem_addr ), + .rvfi_mem_rmask(rvfi_mem_rmask), + .rvfi_mem_wmask(rvfi_mem_wmask), + .rvfi_mem_rdata(rvfi_mem_rdata), + .rvfi_mem_wdata(rvfi_mem_wdata), +`endif + + .trace_valid(trace_valid), + .trace_data (trace_data) + ); +endmodule + + +/*************************************************************** + * picorv32_axi_adapter + ***************************************************************/ + +module picorv32_axi_adapter ( + input clk, resetn, + + // AXI4-lite master memory interface + + output mem_axi_awvalid, + input mem_axi_awready, + output [31:0] mem_axi_awaddr, + output [ 2:0] mem_axi_awprot, + + output mem_axi_wvalid, + input mem_axi_wready, + output [31:0] mem_axi_wdata, + output [ 3:0] mem_axi_wstrb, + + input mem_axi_bvalid, + output mem_axi_bready, + + output mem_axi_arvalid, + input mem_axi_arready, + output [31:0] mem_axi_araddr, + output [ 2:0] mem_axi_arprot, + + input mem_axi_rvalid, + output mem_axi_rready, + input [31:0] mem_axi_rdata, + + // Native PicoRV32 memory interface + + input mem_valid, + input mem_instr, + output mem_ready, + input [31:0] mem_addr, + input [31:0] mem_wdata, + input [ 3:0] mem_wstrb, + output [31:0] mem_rdata +); + reg ack_awvalid; + reg ack_arvalid; + reg ack_wvalid; + reg xfer_done; + + assign mem_axi_awvalid = mem_valid && |mem_wstrb && !ack_awvalid; + assign mem_axi_awaddr = mem_addr; + assign mem_axi_awprot = 0; + + assign mem_axi_arvalid = mem_valid && !mem_wstrb && !ack_arvalid; + assign mem_axi_araddr = mem_addr; + assign mem_axi_arprot = mem_instr ? 3'b100 : 3'b000; + + assign mem_axi_wvalid = mem_valid && |mem_wstrb && !ack_wvalid; + assign mem_axi_wdata = mem_wdata; + assign mem_axi_wstrb = mem_wstrb; + + assign mem_ready = mem_axi_bvalid || mem_axi_rvalid; + assign mem_axi_bready = mem_valid && |mem_wstrb; + assign mem_axi_rready = mem_valid && !mem_wstrb; + assign mem_rdata = mem_axi_rdata; + + always @(posedge clk) begin + if (!resetn) begin + ack_awvalid <= 0; + end else begin + xfer_done <= mem_valid && mem_ready; + if (mem_axi_awready && mem_axi_awvalid) + ack_awvalid <= 1; + if (mem_axi_arready && mem_axi_arvalid) + ack_arvalid <= 1; + if (mem_axi_wready && mem_axi_wvalid) + ack_wvalid <= 1; + if (xfer_done || !mem_valid) begin + ack_awvalid <= 0; + ack_arvalid <= 0; + ack_wvalid <= 0; + end + end + end +endmodule + + +/*************************************************************** + * picorv32_wb + ***************************************************************/ + +module picorv32_wb #( + parameter [ 0:0] ENABLE_COUNTERS = 1, + parameter [ 0:0] ENABLE_COUNTERS64 = 1, + parameter [ 0:0] ENABLE_REGS_16_31 = 1, + parameter [ 0:0] ENABLE_REGS_DUALPORT = 1, + parameter [ 0:0] TWO_STAGE_SHIFT = 1, + parameter [ 0:0] BARREL_SHIFTER = 0, + parameter [ 0:0] TWO_CYCLE_COMPARE = 0, + parameter [ 0:0] TWO_CYCLE_ALU = 0, + parameter [ 0:0] COMPRESSED_ISA = 0, + parameter [ 0:0] CATCH_MISALIGN = 1, + parameter [ 0:0] CATCH_ILLINSN = 1, + parameter [ 0:0] ENABLE_PCPI = 0, + parameter [ 0:0] ENABLE_MUL = 0, + parameter [ 0:0] ENABLE_FAST_MUL = 0, + parameter [ 0:0] ENABLE_DIV = 0, + parameter [ 0:0] ENABLE_IRQ = 0, + parameter [ 0:0] ENABLE_IRQ_QREGS = 1, + parameter [ 0:0] ENABLE_IRQ_TIMER = 1, + parameter [ 0:0] ENABLE_TRACE = 0, + parameter [ 0:0] REGS_INIT_ZERO = 0, + parameter [31:0] MASKED_IRQ = 32'h 0000_0000, + parameter [31:0] LATCHED_IRQ = 32'h ffff_ffff, + parameter [31:0] PROGADDR_RESET = 32'h 0000_0000, + parameter [31:0] PROGADDR_IRQ = 32'h 0000_0010, + parameter [31:0] STACKADDR = 32'h ffff_ffff +) ( + output trap, + + // Wishbone interfaces + input wb_rst_i, + input wb_clk_i, + + output reg [31:0] wbm_adr_o, + output reg [31:0] wbm_dat_o, + input [31:0] wbm_dat_i, + output reg wbm_we_o, + output reg [3:0] wbm_sel_o, + output reg wbm_stb_o, + input wbm_ack_i, + output reg wbm_cyc_o, + + // Pico Co-Processor Interface (PCPI) + output pcpi_valid, + output [31:0] pcpi_insn, + output [31:0] pcpi_rs1, + output [31:0] pcpi_rs2, + input pcpi_wr, + input [31:0] pcpi_rd, + input pcpi_wait, + input pcpi_ready, + + // IRQ interface + input [31:0] irq, + output [31:0] eoi, + +`ifdef RISCV_FORMAL + output rvfi_valid, + output [63:0] rvfi_order, + output [31:0] rvfi_insn, + output rvfi_trap, + output rvfi_halt, + output rvfi_intr, + output [ 4:0] rvfi_rs1_addr, + output [ 4:0] rvfi_rs2_addr, + output [31:0] rvfi_rs1_rdata, + output [31:0] rvfi_rs2_rdata, + output [ 4:0] rvfi_rd_addr, + output [31:0] rvfi_rd_wdata, + output [31:0] rvfi_pc_rdata, + output [31:0] rvfi_pc_wdata, + output [31:0] rvfi_mem_addr, + output [ 3:0] rvfi_mem_rmask, + output [ 3:0] rvfi_mem_wmask, + output [31:0] rvfi_mem_rdata, + output [31:0] rvfi_mem_wdata, +`endif + + // Trace Interface + output trace_valid, + output [35:0] trace_data, + + output mem_instr +); + wire mem_valid; + wire [31:0] mem_addr; + wire [31:0] mem_wdata; + wire [ 3:0] mem_wstrb; + reg mem_ready; + reg [31:0] mem_rdata; + + wire clk; + wire resetn; + + assign clk = wb_clk_i; + assign resetn = ~wb_rst_i; + + picorv32 #( + .ENABLE_COUNTERS (ENABLE_COUNTERS ), + .ENABLE_COUNTERS64 (ENABLE_COUNTERS64 ), + .ENABLE_REGS_16_31 (ENABLE_REGS_16_31 ), + .ENABLE_REGS_DUALPORT(ENABLE_REGS_DUALPORT), + .TWO_STAGE_SHIFT (TWO_STAGE_SHIFT ), + .BARREL_SHIFTER (BARREL_SHIFTER ), + .TWO_CYCLE_COMPARE (TWO_CYCLE_COMPARE ), + .TWO_CYCLE_ALU (TWO_CYCLE_ALU ), + .COMPRESSED_ISA (COMPRESSED_ISA ), + .CATCH_MISALIGN (CATCH_MISALIGN ), + .CATCH_ILLINSN (CATCH_ILLINSN ), + .ENABLE_PCPI (ENABLE_PCPI ), + .ENABLE_MUL (ENABLE_MUL ), + .ENABLE_FAST_MUL (ENABLE_FAST_MUL ), + .ENABLE_DIV (ENABLE_DIV ), + .ENABLE_IRQ (ENABLE_IRQ ), + .ENABLE_IRQ_QREGS (ENABLE_IRQ_QREGS ), + .ENABLE_IRQ_TIMER (ENABLE_IRQ_TIMER ), + .ENABLE_TRACE (ENABLE_TRACE ), + .REGS_INIT_ZERO (REGS_INIT_ZERO ), + .MASKED_IRQ (MASKED_IRQ ), + .LATCHED_IRQ (LATCHED_IRQ ), + .PROGADDR_RESET (PROGADDR_RESET ), + .PROGADDR_IRQ (PROGADDR_IRQ ), + .STACKADDR (STACKADDR ) + ) picorv32_core ( + .clk (clk ), + .resetn (resetn), + .trap (trap ), + + .mem_valid(mem_valid), + .mem_addr (mem_addr ), + .mem_wdata(mem_wdata), + .mem_wstrb(mem_wstrb), + .mem_instr(mem_instr), + .mem_ready(mem_ready), + .mem_rdata(mem_rdata), + + .pcpi_valid(pcpi_valid), + .pcpi_insn (pcpi_insn ), + .pcpi_rs1 (pcpi_rs1 ), + .pcpi_rs2 (pcpi_rs2 ), + .pcpi_wr (pcpi_wr ), + .pcpi_rd (pcpi_rd ), + .pcpi_wait (pcpi_wait ), + .pcpi_ready(pcpi_ready), + + .irq(irq), + .eoi(eoi), + +`ifdef RISCV_FORMAL + .rvfi_valid (rvfi_valid ), + .rvfi_order (rvfi_order ), + .rvfi_insn (rvfi_insn ), + .rvfi_trap (rvfi_trap ), + .rvfi_halt (rvfi_halt ), + .rvfi_intr (rvfi_intr ), + .rvfi_rs1_addr (rvfi_rs1_addr ), + .rvfi_rs2_addr (rvfi_rs2_addr ), + .rvfi_rs1_rdata(rvfi_rs1_rdata), + .rvfi_rs2_rdata(rvfi_rs2_rdata), + .rvfi_rd_addr (rvfi_rd_addr ), + .rvfi_rd_wdata (rvfi_rd_wdata ), + .rvfi_pc_rdata (rvfi_pc_rdata ), + .rvfi_pc_wdata (rvfi_pc_wdata ), + .rvfi_mem_addr (rvfi_mem_addr ), + .rvfi_mem_rmask(rvfi_mem_rmask), + .rvfi_mem_wmask(rvfi_mem_wmask), + .rvfi_mem_rdata(rvfi_mem_rdata), + .rvfi_mem_wdata(rvfi_mem_wdata), +`endif + + .trace_valid(trace_valid), + .trace_data (trace_data) + ); + + localparam IDLE = 2'b00; + localparam WBSTART = 2'b01; + localparam WBEND = 2'b10; + + reg [1:0] state; + + wire we; + assign we = (mem_wstrb[0] | mem_wstrb[1] | mem_wstrb[2] | mem_wstrb[3]); + + always @(posedge wb_clk_i) begin + if (wb_rst_i) begin + wbm_adr_o <= 0; + wbm_dat_o <= 0; + wbm_we_o <= 0; + wbm_sel_o <= 0; + wbm_stb_o <= 0; + wbm_cyc_o <= 0; + state <= IDLE; + end else begin + case (state) + IDLE: begin + if (mem_valid) begin + wbm_adr_o <= mem_addr; + wbm_dat_o <= mem_wdata; + wbm_we_o <= we; + wbm_sel_o <= mem_wstrb; + + wbm_stb_o <= 1'b1; + wbm_cyc_o <= 1'b1; + state <= WBSTART; + end else begin + mem_ready <= 1'b0; + + wbm_stb_o <= 1'b0; + wbm_cyc_o <= 1'b0; + wbm_we_o <= 1'b0; + end + end + WBSTART:begin + if (wbm_ack_i) begin + mem_rdata <= wbm_dat_i; + mem_ready <= 1'b1; + + state <= WBEND; + + wbm_stb_o <= 1'b0; + wbm_cyc_o <= 1'b0; + wbm_we_o <= 1'b0; + end + end + WBEND: begin + mem_ready <= 1'b0; + + state <= IDLE; + end + default: + state <= IDLE; + endcase + end + end +endmodule diff --git a/experiments/timfuz/pip_unique.py b/experiments/timfuz/pip_unique.py new file mode 100644 index 00000000..39b45d44 --- /dev/null +++ b/experiments/timfuz/pip_unique.py @@ -0,0 +1,89 @@ +''' +Verifies that node timing info is unique +''' + +import re + +def gen_wires(fin): + for l in fin: + lj = {} + l = l.strip() + for kvs in l.split(): + name, value = kvs.split(':') + lj[name] = value + + tile_type, xy, wname = re.match(r'(.*)_(X[0-9]*Y[0-9]*)/(.*)', lj['NAME']).groups() + lj['tile_type'] = tile_type + lj['xy'] = xy + lj['wname'] = wname + + lj['l'] = l + + yield lj + +def run(node_fin, verbose=0): + refnodes = {} + nodei = 0 + for nodei, anode in enumerate(gen_wires(node_fin)): + def getk(anode): + return anode['wname'] + return (anode['tile_type'], anode['wname']) + + if nodei % 1000 == 0: + print 'Check node %d' % nodei + # Existing node? + try: + refnode = refnodes[getk(anode)] + except KeyError: + # Set as reference + refnodes[getk(anode)] = anode + continue + k_invariant = ( + 'CAN_INVERT', + 'IS_BUFFERED_2_0', + 'IS_BUFFERED_2_1', + 'IS_DIRECTIONAL', + 'IS_EXCLUDED_PIP', + 'IS_FIXED_INVERSION', + 'IS_INVERTED', + 'IS_PSEUDO', + 'IS_SITE_PIP', + 'IS_TEST_PIP', + ) + k_varies = ( + 'TILE', + ) + # Verify equivilence + for k in k_invariant: + if k in refnode and k in anode: + def fail(): + print 'Mismatch on %s' % k + print refnode[k], anode[k] + print refnode['l'] + print anode['l'] + #assert 0 + if refnode[k] != anode[k]: + print + fail() + # A key in one but not the other? + elif k in refnode or k in anode: + assert 0 + elif k not in k_varies: + assert 0 + +if __name__ == '__main__': + import argparse + + parser = argparse.ArgumentParser( + description= + 'Timing fuzzer' + ) + + parser.add_argument('--verbose', type=int, help='') + parser.add_argument( + 'node_fn_in', + default='/dev/stdin', + nargs='?', + help='Input file') + args = parser.parse_args() + run(open(args.node_fn_in, 'r'), verbose=args.verbose) diff --git a/experiments/timfuz/placelut.py b/experiments/timfuz/placelut.py new file mode 100644 index 00000000..47dd9e3c --- /dev/null +++ b/experiments/timfuz/placelut.py @@ -0,0 +1,91 @@ +#!/usr/bin/env python + +import argparse + +parser = argparse.ArgumentParser(description='') +parser.add_argument('--sdx', default='8', help='') +parser.add_argument('--sdy', default='4', help='') +args = parser.parse_args() + +''' +Generate in pairs +Fill up switchbox quad for now +Create random connections between the LUTs +See how much routing pressure we can generate + +Start with non-random connections to the LFSR for solver comparison + +Start at SLICE_X16Y102 +''' +SBASE = (16, 102) +SDX = int(args.sdx, 0) +SDY = int(args.sdy, 0) +nlut = 4 * SDX * SDY + +nin = 6 * nlut +nout = nlut + +print('placelut simple') +print('//SBASE: %s' % (SBASE,)) +print('//SDX: %s' % (SDX,)) +print('//SDY: %s' % (SDX,)) +print('//nlut: %s' % (nlut,)) +print('''\ +module roi ( + input wire clk, + input wire [%u:0] ins, + output wire [%u:0] outs);''') % (nin - 1, nout -1) + +ini = 0 +outi = 0 +for lutx in xrange(SBASE[0], SBASE[0] + SDX): + for luty in xrange(SBASE[1], SBASE[1] + SDY): + loc = "SLICE_X%uY%u" % (lutx, luty) + for belc in 'ABCD': + bel = '%c6LUT' % belc + print('''\ + + (* KEEP, DONT_TOUCH, LOC="%s", BEL="%s" *) + LUT6 #( + .INIT(64'hBAD1DEA_1DEADCE0) + ) %s (''') % (loc, bel, 'lut_x%uy%u_%c' % (lutx, luty, belc)) + for i in xrange(6): + print('''\ + .I%u(ins[%u]),''' % (i, ini)) + ini += 1 + print('''\ + .O(outs[%u]));''') % (outi,) + outi += 1 +assert nin == ini +assert nout == outi + +print(''' +endmodule + +module top(input wire clk, input wire stb, input wire di, output wire do); + localparam integer DIN_N = %u; + localparam integer DOUT_N = %u; + + reg [DIN_N-1:0] din; + wire [DOUT_N-1:0] dout; + + reg [DIN_N-1:0] din_shr; + reg [DOUT_N-1:0] dout_shr; + + always @(posedge clk) begin + din_shr <= {din_shr, di}; + dout_shr <= {dout_shr, din_shr[DIN_N-1]}; + if (stb) begin + din <= din_shr; + dout_shr <= dout; + end + end + + assign do = dout_shr[DOUT_N-1]; + roi roi( + .clk(clk), + .ins(din), + .outs(dout) + ); +endmodule''') % (nin, nout) + diff --git a/experiments/timfuz/placelut_fb.py b/experiments/timfuz/placelut_fb.py new file mode 100644 index 00000000..7e973da0 --- /dev/null +++ b/experiments/timfuz/placelut_fb.py @@ -0,0 +1,103 @@ +#!/usr/bin/env python + +''' +Note: vivado will (by default) fail bitgen DRC on LUT feedback loops +Looks like can probably be disabled, but we actually don't need a bitstream for timing analysis +''' + +import argparse +import random + +random.seed() + +parser = argparse.ArgumentParser(description='') +parser.add_argument('--sdx', default='8', help='') +parser.add_argument('--sdy', default='4', help='') +args = parser.parse_args() + +''' +Generate in pairs +Fill up switchbox quad for now +Create random connections between the LUTs +See how much routing pressure we can generate + +Start with non-random connections to the LFSR for solver comparison + +Start at SLICE_X16Y102 +''' +SBASE = (16, 102) +SDX = int(args.sdx, 0) +SDY = int(args.sdy, 0) +nlut = 4 * SDX * SDY + +nin = 6 * nlut +nout = nlut + +print('//placelut w/ feedback') +print('//SBASE: %s' % (SBASE,)) +print('//SDX: %s' % (SDX,)) +print('//SDY: %s' % (SDX,)) +print('//nlut: %s' % (nlut,)) +print('''\ +module roi ( + input wire clk, + input wire [%u:0] ins, + output wire [%u:0] outs);''') % (nin - 1, nout -1) + +ini = 0 +outi = 0 +for lutx in xrange(SBASE[0], SBASE[0] + SDX): + for luty in xrange(SBASE[1], SBASE[1] + SDY): + loc = "SLICE_X%uY%u" % (lutx, luty) + for belc in 'ABCD': + bel = '%c6LUT' % belc + print('''\ + + (* KEEP, DONT_TOUCH, LOC="%s", BEL="%s" *) + LUT6 #( + .INIT(64'hBAD1DEA_1DEADCE0) + ) %s (''') % (loc, bel, 'lut_x%uy%u_%c' % (lutx, luty, belc)) + for i in xrange(6): + if random.randint(0, 9) < 1: + wfrom = 'ins[%u]' % ini + ini += 1 + else: + wfrom = 'outs[%u]' % random.randint(0, nout - 1) + print('''\ + .I%u(%s),''' % (i, wfrom)) + print('''\ + .O(outs[%u]));''') % (outi,) + outi += 1 +#assert nin == ini +assert nout == outi + +print(''' +endmodule + +module top(input wire clk, input wire stb, input wire di, output wire do); + localparam integer DIN_N = %u; + localparam integer DOUT_N = %u; + + reg [DIN_N-1:0] din; + wire [DOUT_N-1:0] dout; + + reg [DIN_N-1:0] din_shr; + reg [DOUT_N-1:0] dout_shr; + + always @(posedge clk) begin + din_shr <= {din_shr, di}; + dout_shr <= {dout_shr, din_shr[DIN_N-1]}; + if (stb) begin + din <= din_shr; + dout_shr <= dout; + end + end + + assign do = dout_shr[DOUT_N-1]; + roi roi( + .clk(clk), + .ins(din), + .outs(dout) + ); +endmodule''') % (nin, nout) + diff --git a/experiments/timfuz/placelut_ff_fb.py b/experiments/timfuz/placelut_ff_fb.py new file mode 100644 index 00000000..3f8b2784 --- /dev/null +++ b/experiments/timfuz/placelut_ff_fb.py @@ -0,0 +1,126 @@ +#!/usr/bin/env python + +''' +Note: vivado will (by default) fail bitgen DRC on LUT feedback loops +Looks like can probably be disabled, but we actually don't need a bitstream for timing analysis + +ERROR: [Vivado 12-2285] Cannot set LOC property of instance 'roi/lut_x22y102_D', Instance roi/lut_x22y102_D can not be placed in D6LUT of site SLICE_X18Y103 because the bel is occupied by roi/lut_x18y103_D(port:). This could be caused by bel constraint conflict +Resolution: When using BEL constraints, ensure the BEL constraints are defined before the LOC constraints to avoid conflicts at a given site. + +''' + +import argparse +import random + +random.seed() + +parser = argparse.ArgumentParser(description='') +parser.add_argument('--sdx', default='8', help='') +parser.add_argument('--sdy', default='4', help='') +args = parser.parse_args() + +''' +Generate in pairs +Fill up switchbox quad for now +Create random connections between the LUTs +See how much routing pressure we can generate + +Start with non-random connections to the LFSR for solver comparison + +Start at SLICE_X16Y102 +''' +SBASE = (16, 102) +SDX = int(args.sdx, 0) +SDY = int(args.sdy, 0) +nlut = 4 * SDX * SDY + +nin = 6 * nlut +nout = nlut + +print('//placelut w/ FF + feedback') +print('//SBASE: %s' % (SBASE,)) +print('//SDX: %s' % (SDX,)) +print('//SDY: %s' % (SDX,)) +print('//nlut: %s' % (nlut,)) +print('''\ +module roi ( + input wire clk, + input wire [%u:0] ins, + output wire [%u:0] outs);''') % (nin - 1, nout -1) + +ini = 0 +outi = 0 +for lutx in xrange(SBASE[0], SBASE[0] + SDX): + for luty in xrange(SBASE[1], SBASE[1] + SDY): + loc = "SLICE_X%uY%u" % (lutx, luty) + for belc in 'ABCD': + bel = '%c6LUT' % belc + name = 'lut_x%uy%u_%c' % (lutx, luty, belc) + print('''\ + + (* KEEP, DONT_TOUCH, LOC="%s", BEL="%s" *) + LUT6 #( + .INIT(64'hBAD1DEA_1DEADCE0) + ) %s (''') % (loc, bel, name) + for i in xrange(6): + rval = random.randint(0, 9) + if rval < 3: + wfrom = 'ins[%u]' % ini + ini += 1 + #elif rval < 6: + # wfrom = 'outsr[%u]' % random.randint(0, nout - 1) + else: + wfrom = 'outs[%u]' % random.randint(0, nout - 1) + print('''\ + .I%u(%s),''' % (i, wfrom)) + out_w = name + '_o' + print('''\ + .O(%s));''') % (out_w,) + + outs_w = "outs[%u]" % outi + if random.randint(0, 9) < 5: + print(' assign %s = %s;' % (outs_w, out_w)) + else: + out_r = name + '_or' + print('''\ + reg %s; + assign %s = %s; + always @(posedge clk) begin + %s = %s; + end + ''' % (out_r, outs_w, out_r, out_r, out_w)) + outi += 1 + +#assert nin == ini +assert nout == outi + +print(''' +endmodule + +module top(input wire clk, input wire stb, input wire di, output wire do); + localparam integer DIN_N = %u; + localparam integer DOUT_N = %u; + + reg [DIN_N-1:0] din; + wire [DOUT_N-1:0] dout; + + reg [DIN_N-1:0] din_shr; + reg [DOUT_N-1:0] dout_shr; + + always @(posedge clk) begin + din_shr <= {din_shr, di}; + dout_shr <= {dout_shr, din_shr[DIN_N-1]}; + if (stb) begin + din <= din_shr; + dout_shr <= dout; + end + end + + assign do = dout_shr[DOUT_N-1]; + roi roi( + .clk(clk), + .ins(din), + .outs(dout) + ); +endmodule''') % (nin, nout) + diff --git a/experiments/timfuz/speed.sh b/experiments/timfuz/speed.sh new file mode 100755 index 00000000..0712c64f --- /dev/null +++ b/experiments/timfuz/speed.sh @@ -0,0 +1,8 @@ +#!/usr/bin/env bash +set -ex + +mkdir -p build_speed +cd build_speed +vivado -mode batch -source ../speed.tcl +python ../speed_json.py speed_model.txt node.txt speed.json + diff --git a/experiments/timfuz/speed.tcl b/experiments/timfuz/speed.tcl new file mode 100644 index 00000000..31f8b857 --- /dev/null +++ b/experiments/timfuz/speed.tcl @@ -0,0 +1,182 @@ +source ../../../utils/utils.tcl + +proc pin_info {pin} { + set cell [get_cells -of_objects $pin] + set bel [get_bels -of_objects $cell] + set site [get_sites -of_objects $bel] + return "$site $bel" +} + +proc pin_bel {pin} { + set cell [get_cells -of_objects $pin] + set bel [get_bels -of_objects $cell] + return $bel +} + +proc build_design_full {} { + create_project -force -part $::env(XRAY_PART) design design + read_verilog ../top.v + read_verilog ../picorv32.v + synth_design -top top + + set_property LOCK_PINS {I0:A1 I1:A2 I2:A3 I3:A4 I4:A5 I5:A6} \ + [get_cells -quiet -filter {REF_NAME == LUT6} -hierarchical] + + set_property -dict "PACKAGE_PIN $::env(XRAY_PIN_00) IOSTANDARD LVCMOS33" [get_ports clk] + set_property -dict "PACKAGE_PIN $::env(XRAY_PIN_01) IOSTANDARD LVCMOS33" [get_ports stb] + set_property -dict "PACKAGE_PIN $::env(XRAY_PIN_02) IOSTANDARD LVCMOS33" [get_ports di] + set_property -dict "PACKAGE_PIN $::env(XRAY_PIN_03) IOSTANDARD LVCMOS33" [get_ports do] + + create_pblock roi + set roipb [get_pblocks roi] + set_property EXCLUDE_PLACEMENT 1 $roipb + add_cells_to_pblock $roipb [get_cells roi] + resize_pblock $roipb -add "$::env(XRAY_ROI)" + + randplace_pblock 150 $roipb + set_property CFGBVS VCCO [current_design] + set_property CONFIG_VOLTAGE 3.3 [current_design] + set_property BITSTREAM.GENERAL.PERFRAMECRC YES [current_design] + + set_property CLOCK_DEDICATED_ROUTE FALSE [get_nets clk_IBUF] + + place_design + route_design + + write_checkpoint -force design.dcp + write_bitstream -force design.bit +} + + +proc build_design_synth {} { + create_project -force -part $::env(XRAY_PART) design design + + read_verilog ../top.v + read_verilog ../picorv32.v + synth_design -top top +} + +# WARNING: [Common 17-673] Cannot get value of property 'FORWARD' because this property is not valid in conjunction with other property setting on this object. +# WARNING: [Common 17-673] Cannot get value of property 'REVERSE' because this property is not valid in conjunction with other property setting on this object. +proc speed_models1 {} { + set outdir "." + set fp [open "$outdir/speed_model.txt" w] + # list_property [lindex [get_speed_models] 0] + set speed_models [get_speed_models] + set properties [list_property [lindex $speed_models 0]] + # "CLASS DELAY FAST_MAX FAST_MIN IS_INSTANCE_SPECIFIC NAME NAME_LOGICAL SLOW_MAX SLOW_MIN SPEED_INDEX TYPE" + puts $fp $properties + + set needspace 0 + foreach speed_model $speed_models { + foreach property $properties { + if $needspace { + puts -nonewline $fp " " + } + puts -nonewline $fp [get_property $property $speed_model] + set needspace 1 + } + puts $fp "" + } + close $fp +} + +proc speed_models2 {} { + set outdir "." + set fp [open "$outdir/speed_model.txt" w] + # list_property [lindex [get_speed_models] 0] + set speed_models [get_speed_models] + puts "Items: [llength $speed_models]" + + set needspace 0 + # Not all objects have the same properties + # But they do seem to have the same list + set properties [list_property [lindex $speed_models 0]] + foreach speed_model $speed_models { + set needspace 0 + foreach property $properties { + set val [get_property $property $speed_model] + if {"$val" ne ""} { + if $needspace { + puts -nonewline $fp " " + } + puts -nonewline $fp "$property:$val" + set needspace 1 + } + } + puts $fp "" + } + close $fp +} + + +# For cost codes +# Items: 2663055s +# Hmm too much +# Lets filter out items we really want +proc nodes_all {} { + set outdir "." + set fp [open "$outdir/node_all.txt" w] + set items [get_nodes] + puts "Items: [llength $items]" + + set needspace 0 + set properties [list_property [lindex $items 0]] + foreach item $items { + set needspace 0 + foreach property $properties { + set val [get_property $property $item] + if {"$val" ne ""} { + if $needspace { + puts -nonewline $fp " " + } + puts -nonewline $fp "$property:$val" + set needspace 1 + } + } + puts $fp "" + } + close $fp +} + +# Only writes out items with unique cost codes +# (much faster) +proc nodes_unique_cc {} { + set outdir "." + set fp [open "$outdir/node.txt" w] + set items [get_nodes] + puts "Items: [llength $items]" + + set needspace 0 + set properties [list_property [lindex $items 0]] + set cost_codes_known [dict create] + set itemi 0 + foreach item $items { + incr itemi + set cost_code [get_property COST_CODE $item] + if {[ dict exists $cost_codes_known $cost_code ]} { + continue + } + puts "Adding $cost_code @ item $itemi" + dict set cost_codes_known $cost_code 1 + + set needspace 0 + foreach property $properties { + set val [get_property $property $item] + if {"$val" ne ""} { + if $needspace { + puts -nonewline $fp " " + } + puts -nonewline $fp "$property:$val" + set needspace 1 + } + } + puts $fp "" + } + close $fp +} + +build_design_full +speed_models2 +nodes_unique_cc + diff --git a/experiments/timfuz/speed_json.py b/experiments/timfuz/speed_json.py new file mode 100644 index 00000000..07dfd20b --- /dev/null +++ b/experiments/timfuz/speed_json.py @@ -0,0 +1,98 @@ +import json + +def load_speed(fin): + speed_models = {} + speed_types = {} + for l in fin: + delay = {} + l = l.strip() + for kvs in l.split(): + name, value = kvs.split(':') + name = name.lower() + if name in ('class',): + continue + if name in ('speed_index',): + value = int(value) + if name == 'type': + speed_types.setdefault(value, {}) + delay[name] = value + delayk = delay['name'] + if delayk in delay: + raise Exception("Duplicate name") + + if "name" in delay and "name_logical" in delay: + # Always true + if delay['name'] != delay['name_logical']: + raise Exception("nope!") + # Found a counter example + if 0 and delay['name'] != delay['forward']: + # ('BSW_NONTLFW_TLRV', '_BSW_LONG_NONTLFORWARD') + print(delay['name'], delay['forward']) + raise Exception("nope!") + # Found a counter example + if 0 and delay['forward'] != delay['reverse']: + # _BSW_LONG_NONTLFORWARD _BSW_LONG_TLREVERSE + print(delay['forward'], delay['reverse']) + raise Exception("nope!") + + speed_models[delayk] = delay + return speed_models, speed_types + +def load_cost_code(fin): + # COST_CODE:4 COST_CODE_NAME:SLOWSINGLE + cost_codes = {} + for l in fin: + lj = {} + l = l.strip() + for kvs in l.split(): + name, value = kvs.split(':') + name = name.lower() + lj[name] = value + cost_code = { + 'name': lj['cost_code_name'], + 'code': int(lj['cost_code']), + # Hmm is this unique per type? + #'speed_class': int(lj['speed_class']), + } + + cost_codes[cost_code['name']] = cost_code + return cost_codes + +def run(speed_fin, node_fin, fout, verbose=0): + print('Loading data') + speed_models, speed_types = load_speed(speed_fin) + cost_codes = load_cost_code(node_fin) + + j = { + 'speed_model': speed_models, + 'speed_type': speed_types, + 'cost_code': cost_codes, + } + json.dump(j, fout, sort_keys=True, indent=4, separators=(',', ': ')) + +if __name__ == '__main__': + import argparse + + parser = argparse.ArgumentParser( + description= + 'Timing fuzzer' + ) + + parser.add_argument('--verbose', type=int, help='') + parser.add_argument( + 'speed_fn_in', + default='/dev/stdin', + nargs='?', + help='Input file') + parser.add_argument( + 'node_fn_in', + default='/dev/stdin', + nargs='?', + help='Input file') + parser.add_argument( + 'fn_out', + default='/dev/stdout', + nargs='?', + help='Output file') + args = parser.parse_args() + run(open(args.speed_fn_in, 'r'), open(args.node_fn_in, 'r'), open(args.fn_out, 'w'), verbose=args.verbose) diff --git a/experiments/timfuz/timfuz.py b/experiments/timfuz/timfuz.py new file mode 100644 index 00000000..1e14074b --- /dev/null +++ b/experiments/timfuz/timfuz.py @@ -0,0 +1,819 @@ +#!/usr/bin/env python + +# https://docs.scipy.org/doc/scipy-0.18.1/reference/generated/scipy.optimize.linprog.html +from scipy.optimize import linprog +import math +import numpy as np +from collections import OrderedDict +import time +import re +import os +import datetime +import json +import copy +import sys +import random +import glob + +from benchmark import Benchmark + +NAME_ZERO = set([ + "BSW_CLK_ZERO", + "BSW_ZERO", + "B_ZERO", + "C_CLK_ZERO", + "C_DSP_ZERO", + "C_ZERO", + "I_ZERO", + "O_ZERO", + "RC_ZERO", + "R_ZERO", + ]) + +# csv index +corner_s2i = { + 'fast_max': 0, + 'fast_min': 1, + 'slow_max': 2, + 'slow_min': 3, + } + +def print_eqns(A_ubd, b_ub, verbose=0, lim=3, label=''): + rows = len(b_ub) + + print('Sample equations (%s) from %d r' % (label, rows)) + prints = 0 + #verbose = 1 + for rowi, row in enumerate(A_ubd): + if verbose or ((rowi < 10 or rowi % max(1, (rows / 20)) == 0) and (not lim or prints < lim)): + line = ' EQN: p%u: ' % rowi + for k, v in sorted(row.items()): + line += '%u*t%d ' % (v, k) + line += '= %d' % b_ub[rowi] + print(line) + prints += 1 + +def print_name_eqns(A_ubd, b_ub, names, verbose=0, lim=3, label=''): + rows = len(b_ub) + + print('Sample equations (%s) from %d r' % (label, rows)) + prints = 0 + #verbose = 1 + for rowi, row in enumerate(A_ubd): + if verbose or ((rowi < 10 or rowi % max(1, (rows / 20)) == 0) and (not lim or prints < lim)): + line = ' EQN: p%u: ' % rowi + for k, v in sorted(row.items()): + line += '%u*%s ' % (v, names[k]) + line += '= %d' % b_ub[rowi] + print(line) + prints += 1 + +def print_names(names, verbose=1): + print('Names: %d' % len(names)) + for xi, name in enumerate(names): + print(' % 4u % -80s' % (xi, name)) + +def invb(b_ub): + #return [-b for b in b_ub] + return -np.array(b_ub) + +def check_feasible_d(A_ubd, b_ub, names): + A_ub, b_ub_inv = Ab_d2np(A_ubd, b_ub, names) + check_feasible(A_ub, b_ub_inv) + +def check_feasible(A_ub, b_ub): + sys.stdout.write('Check feasible ') + sys.stdout.flush() + + rows = len(b_ub) + cols = len(A_ub[0]) + + progress = max(1, rows / 100) + + # Chose a high arbitrary value for x + # Delays should be in order of ns, so a 10 ns delay should be way above what anything should be + xs = [10e3 for _i in range(cols)] + + # FIXME: use the correct np function to do this for me + # Verify bounds + #b_res = np.matmul(A_ub, xs) + #print(type(A_ub), type(xs) + #A_ub = np.array(A_ub) + #xs = np.array(xs) + #b_res = np.matmul(A_ub, xs) + def my_mul(A_ub, xs): + #print('cols', cols + #print('rows', rows + ret = [None] * rows + for row in range(rows): + this = 0 + for col in range(cols): + this += A_ub[row][col] * xs[col] + ret[row] = this + return ret + b_res = my_mul(A_ub, xs) + + # Verify bound was respected + for rowi, (this_b, this_b_ub) in enumerate(zip(b_res, b_ub)): + if rowi % progress == 0: + sys.stdout.write('.') + sys.stdout.flush() + if this_b >= this_b_ub or this_b > 0: + print('% 4d Want res % 10.1f <= % 10.1f <= 0' % (rowi, this_b, this_b_ub)) + raise Exception("Bad ") + print(' done') + +def Ab_ub_dt2d(eqns): + '''Convert dict using the rows as keys into a list of dicts + b_ub list (ie return A_ub, b_ub)''' + #return [dict(rowt) for rowt in eqns] + rows = [(dict(rowt), b) for rowt, b in eqns.items()] + A_ubd, b_ub = zip(*rows) + return list(A_ubd), list(b_ub) + +# This significantly reduces runtime +def simplify_rows(A_ubd, b_ub): + '''Remove duplicate equations, taking highest delay''' + # dict of constants to highest delay + eqns = OrderedDict() + assert len(A_ubd) == len(b_ub), (len(A_ubd), len(b_ub)) + + sys.stdout.write('SimpR ') + sys.stdout.flush() + progress = max(1, len(b_ub) / 100) + zero_ds = 0 + zero_es = 0 + for loopi, (b, rowd) in enumerate(zip(b_ub, A_ubd)): + if loopi % progress == 0: + sys.stdout.write('.') + sys.stdout.flush() + + # TODO: elements have zero delay (ex: COUT) + # Remove these from now since they make me nervous + # Although they should just solve to 0 + if not b: + zero_ds += 1 + continue + + # A very few of these exist with very small values + # TODO: investigate, understand what these are + # Leaving these in can make the result unsolvable since there does not exist a set of constants to reach the delay + if len(rowd) == 0: + zero_es += 1 + continue + + rowt = Ar_ds2t(rowd) + eqns[rowt] = max(eqns.get(rowt, 0), b) + + print(' done') + + #A_ub_ret = eqns.keys() + A_ubd_ret, b_ub_ret = Ab_ub_dt2d(eqns) + + print('Simplify rows: %d => %d w/ zd %d, ze %d' % (len(b_ub), len(b_ub_ret), zero_ds, zero_es)) + #return A_ub_ret, b_ub_ret + #return A_ub_np2d(A_ub_ret), b_ub_ret + return A_ubd_ret, b_ub_ret + +def simplify_cols(names, A_ubd, b_ub): + ''' + Remove unsued columns + This is fairly straightforward in dictionary form now as only have to remove and adjust indices + Maybe should use the names as keys? Then this wouldn't be needed anymore as indices wouldn't need to be rebased + + XXX: shuffles the name order around. Do we care? + ''' + + # First: find unused names + # use dict since no standard ordered set + used_cols = set() + names_ret = OrderedDict() + col_old2new = OrderedDict() + rows = len(b_ub) + cols = len(names) + + sys.stdout.write('SimpC indexing ') + sys.stdout.flush() + progress = max(1, rows / 100) + for rowi, rowd in enumerate(A_ubd): + if rowi % progress == 0: + sys.stdout.write('.') + sys.stdout.flush() + for coli in rowd.keys(): + used_cols.add(coli) + + for coli in range(cols): + if coli in used_cols: + names_ret[names[coli]] = None + col_old2new[coli] = len(col_old2new) + assert len(used_cols) == len(col_old2new) + + print(' done') + + # Create a new matrix, copying important values over + #A_ub_ret = np.zeros((4, 1)) + #A_ub_ret[3][0] = 1.0 + #A_ub_ret = np.zeros((rows, len(names_ret))) + A_ub_ret = [None] * rows + sys.stdout.write('SimpC creating ') + sys.stdout.flush() + progress = max(1, rows / 100) + for rowi, rowd_old in enumerate(A_ubd): + if rowi % progress == 0: + sys.stdout.write('.') + sys.stdout.flush() + l = [(col_old2new[k], v) for k, v in rowd_old.items()] + A_ub_ret[rowi] = OrderedDict(l) + print(' done') + + print('Simplify cols: %d => %d cols' % (len(names), len(names_ret))) + nr = list(names_ret.keys()) + return nr, A_ub_ret, b_ub + +def A_ubr_np2d(row, sf=1): + '''Convert a single row''' + #d = {} + d = OrderedDict() + for coli, val in enumerate(row): + if val: + d[coli] = sf * val + return d + +def A_ub_np2d(A_ub, sf=1): + '''Convert A_ub entries in numpy matrix to dictionary / sparse form''' + A_ubd = [None] * len(A_ub) + for i, row in enumerate(A_ub): + A_ubd[i] = A_ubr_np2d(row, sf=sf) + return A_ubd + +# def Ar_ds2np(row_ds, names): +# Ar_di2np(row_di, cols, sf=1) + +def Ar_di2np(row_di, cols, sf=1): + rownp = np.zeros(cols) + for coli, val in row_di.items(): + # Sign inversion due to way solver works + rownp[coli] = sf * val + return rownp + +# NOTE: sign inversion +def A_di2np(Adi, cols, sf=1): + '''Convert A_ub entries in dictionary / sparse to numpy matrix form''' + return [Ar_di2np(row_di, cols, sf=sf) for row_di in Adi] + +def Ar_ds2t(rowd): + '''Convert a dictionary row into a tuple with (column number, value) tuples''' + return tuple(sorted(rowd.items())) + +def A_ubr_t2d(rowt): + '''Convert a dictionary row into a tuple with (column number, value) tuples''' + return OrderedDict(rowt) + +def A_ub_d2t(A_ubd): + '''Convert rows as dicts to rows as tuples''' + return [Ar_ds2t(rowd) for rowd in A_ubd] + +def A_ub_t2d(A_ubd): + '''Convert rows as tuples to rows as dicts''' + return [OrderedDict(rowt) for rowt in A_ubd] + +def Ab_d2np(A_ubd, b_ub, names): + A_ub = A_di2np(A_ubd, len(names)) + b_ub_inv = invb(b_ub) + return A_ub, b_ub_inv + +def Ab_np2d(A_ub, b_ub_inv): + A_ubd = A_ub_np2d(A_ub) + b_ub = invb(b_ub_inv) + return A_ubd, b_ub + +def sort_equations_(A_ubd, b_ub): + # Dictionaries aren't hashable for sorting even though they are comparable + return A_ub_t2d(sorted(A_ub_d2t(A_ubd))) + +def sort_equations(A_ub, b_ub): + # Track rows with value column + # Hmm can't sort against np arrays + tosort = [(sorted(row.items()), b) for row, b in zip(A_ub, b_ub)] + #res = sorted(tosort, key=lambda e: e[0]) + res = sorted(tosort) + A_ubtr, b_ubr = zip(*res) + return [OrderedDict(rowt) for rowt in A_ubtr], b_ubr + +def lte_const(row_ref, row_cmp): + '''Return true if all constants are smaller magnitude in row_cmp than row_ref''' + #return False + for k, vc in row_cmp.items(): + vr = row_ref.get(k, None) + # Not in reference? + if vr is None: + return False + if vr < vc: + return False + return True + +def shared_const(row_ref, row_cmp): + '''Return true if more constants are equal than not equal''' + #return False + matches = 0 + unmatches = 0 + ks = list(row_ref.keys()) + list(row_cmp.keys()) + for k in ks: + vr = row_ref.get(k, None) + vc = row_cmp.get(k, None) + # At least one + if vr is not None and vc is not None: + if vc == vr: + matches += 1 + else: + unmatches += 1 + else: + unmatches += 1 + + # Will equation reduce if subtracted? + return matches > unmatches + +def reduce_const(row_ref, row_cmp): + '''Subtract cmp constants from ref''' + #ret = {} + ret = OrderedDict() + ks = set(row_ref.keys()) + ks.update(set(row_cmp.keys())) + for k in ks: + vr = row_ref.get(k, 0) + vc = row_cmp.get(k, 0) + res = vr - vc + if res: + ret[k] = res + return ret + +def derive_eq_by_row(A_ubd, b_ub, verbose=0, col_lim=0, tweak=False): + ''' + Derive equations by subtracting whole rows + + Given equations like: + t0 >= 10 + t0 + t1 >= 15 + t0 + t1 + t2 >= 17 + + When I look at these, I think of a solution something like: + t0 = 10f + t1 = 5 + t2 = 2 + + However, linprog tends to choose solutions like: + t0 = 17 + t1 = 0 + t2 = 0 + + To this end, add additional constraints by finding equations that are subsets of other equations + How to do this in a reasonable time span? + Also equations are sparse, which makes this harder to compute + ''' + rows = len(A_ubd) + assert rows == len(b_ub) + + # Index equations into hash maps so can lookup sparse elements quicker + assert len(A_ubd) == len(b_ub) + A_ubd_ret = copy.copy(A_ubd) + assert len(A_ubd) == len(A_ubd_ret) + + #print('Finding subsets') + ltes = 0 + scs = 0 + b_ub_ret = list(b_ub) + sys.stdout.write('Deriving rows ') + sys.stdout.flush() + progress = max(1, rows / 100) + for row_refi, row_ref in enumerate(A_ubd): + if row_refi % progress == 0: + sys.stdout.write('.') + sys.stdout.flush() + if col_lim and len(row_ref) > col_lim: + continue + + for row_cmpi, row_cmp in enumerate(A_ubd): + if row_refi == row_cmpi or col_lim and len(row_cmp) > col_lim: + continue + # FIXME: this check was supposed to be removed + ''' + Every elements in row_cmp is in row_ref + but this doesn't mean the constants are smaller + Filter these out + ''' + # XXX: just reduce and filter out solutions with positive constants + # or actually are these also useful as is? + lte = lte_const(row_ref, row_cmp) + if lte: + ltes += 1 + sc = 0 and shared_const(row_ref, row_cmp) + if sc: + scs += 1 + if lte or sc: + if verbose: + print('') + print('match') + print(' ', row_ref, b_ub[row_refi]) + print(' ', row_cmp, b_ub[row_cmpi]) + # Reduce + A_new = reduce_const(row_ref, row_cmp) + # Did this actually significantly reduce the search space? + #if tweak and len(A_new) > 4 and len(A_new) > len(row_cmp) / 2: + if tweak and len(A_new) > 8 and len(A_new) > len(row_cmp) / 2: + continue + b_new = b_ub[row_refi] - b_ub[row_cmpi] + # Definitely possible + # Maybe filter these out if they occur? + if verbose: + print(b_new) + # Also inverted sign + if b_new <= 0: + if verbose: + print("Unexpected b") + continue + if verbose: + print('OK') + A_ubd_ret.append(A_new) + b_ub_ret.append(b_new) + print(' done') + + #A_ub_ret = A_di2np(A_ubd2, cols=cols) + print('Derive row: %d => %d rows using %d lte, %d sc' % (len(b_ub), len(b_ub_ret), ltes, scs)) + assert len(A_ubd_ret) == len(b_ub_ret) + return A_ubd_ret, b_ub_ret + +def derive_eq_by_col(A_ubd, b_ub, verbose=0): + ''' + Derive equations by subtracting out all bounded constants (ie "known" columns) + ''' + rows = len(A_ubd) + + # Find all entries where + + # Index equations with a single constraint + knowns = {} + sys.stdout.write('Derive col indexing ') + #A_ubd = A_ub_np2d(A_ub) + sys.stdout.flush() + progress = max(1, rows / 100) + for row_refi, row_refd in enumerate(A_ubd): + if row_refi % progress == 0: + sys.stdout.write('.') + sys.stdout.flush() + if len(row_refd) == 1: + k, v = list(row_refd.items())[0] + # Reduce any constants to canonical form + if v != 1: + row_refd[k] = 1 + b_ub[row_refi] /= v + knowns[k] = b_ub[row_refi] + print(' done') + #knowns_set = set(knowns.keys()) + print('%d constrained' % len(knowns)) + + ''' + Now see what we can do + Rows that are already constrained: eliminate + TODO: maybe keep these if this would violate their constraint + Otherwise eliminate the original row and generate a simplified result now + ''' + b_ub_ret = [] + A_ubd_ret = [] + sys.stdout.write('Derive col main ') + sys.stdout.flush() + progress = max(1, rows / 100) + for row_refi, row_refd in enumerate(A_ubd): + if row_refi % progress == 0: + sys.stdout.write('.') + sys.stdout.flush() + # Reduce as much as possible + #row_new = {} + row_new = OrderedDict() + b_new = b_ub[row_refi] + # Copy over single entries + if len(row_refd) == 1: + row_new = row_refd + else: + for k, v in row_refd.items(): + if k in knowns: + # Remove column and take out corresponding delay + b_new -= v * knowns[k] + # Copy over + else: + row_new[k] = v + + # Possibly reduced all usable contants out + if len(row_new) == 0: + continue + if b_new <= 0: + continue + + A_ubd_ret.append(row_new) + b_ub_ret.append(b_new) + print(' done') + + print('Derive col: %d => %d rows' % (len(b_ub), len(b_ub_ret))) + return A_ubd_ret, b_ub_ret + +def col_dist(A_ubd, desc='of', names=[], lim=0): + '''print(frequency distribution of number of elements in a given row''' + rows = len(A_ubd) + cols = len(names) + + fs = {} + for row in A_ubd: + this_cols = len(row) + fs[this_cols] = fs.get(this_cols, 0) + 1 + + print('Col count distribution (%s) for %dr x %dc w/ %d freqs' % (desc, rows, cols, len(fs))) + prints = 0 + for i, (k, v) in enumerate(sorted(fs.items())): + if lim == 0 or (lim and prints < lim or i == len(fs) - 1): + print(' %d: %d' % (k, v)) + prints += 1 + if lim and prints == lim: + print(' ...') + +def name_dist(A_ubd, desc='of', names=[], lim=0): + '''print(frequency distribution of number of times an element appears''' + rows = len(A_ubd) + cols = len(names) + + fs = {i: 0 for i in range(len(names))} + for row in A_ubd: + for k in row.keys(): + fs[k] += 1 + + print('Name count distribution (%s) for %dr x %dc' % (desc, rows, cols)) + prints = 0 + for namei, name in enumerate(names): + if lim == 0 or (lim and prints < lim or namei == len(fs) - 1): + print(' %s: %d' % (name, fs[namei])) + prints += 1 + if lim and prints == lim: + print(' ...') + + fs2 = {} + for v in fs.values(): + fs2[v] = fs2.get(v, 0) + 1 + prints = 0 + print('Distribution distribution (%d items)'% len(fs2)) + for i, (k, v) in enumerate(sorted(fs2.items())): + if lim == 0 or (lim and prints < lim or i == len(fs2) - 1): + print(' %s: %s' % (k, v)) + prints += 1 + if lim and prints == lim: + print(' ...') + + zeros = fs2.get(0, 0) + if zeros: + raise Exception("%d names without equation" % zeros) + +def filter_ncols(A_ubd, b_ub, cols_min=0, cols_max=0): + '''Only keep equations with a few delay elements''' + A_ubd_ret = [] + b_ub_ret = [] + + #print('Removing large rows') + for rowd, b in zip(A_ubd, b_ub): + if (not cols_min or len(rowd) >= cols_min) and (not cols_max or len(rowd) <= cols_max): + A_ubd_ret.append(rowd) + b_ub_ret.append(b) + + print('Filter ncols w/ %d <= cols <= %d: %d ==> %d rows' % (cols_min, cols_max, len(b_ub), len(b_ub_ret))) + assert len(b_ub_ret) + return A_ubd_ret, b_ub_ret + +def preprocess(A_ubd, b_ub, opts, names, verbose=0): + def debug(what): + if verbose: + print('') + print_eqns(A_ubd, b_ub, verbose=verbose, label=what, lim=20) + col_dist(A_ubd, what, names) + check_feasible_d(A_ubd, b_ub, names) + + col_dist(A_ubd, 'pre-filt', names, lim=12) + debug('pre-filt') + + need_simpc = 0 + + # Input set may have redundant constraints + A_ubd, b_ub = simplify_rows(A_ubd=A_ubd, b_ub=b_ub) + debug("simp_rows") + cols_min_pre = opts.get('cols_min_pre', None) + cols_max_pre = opts.get('cols_max_pre', None) + # Filter input based on number of columns + if cols_min_pre or cols_max_pre: + A_ubd, b_ub = filter_ncols(A_ubd=A_ubd, b_ub=b_ub, cols_min=cols_min_pre, cols_max=cols_max_pre) + debug("filt_ncols") + need_simpc = 1 + + # Limit input rows, mostly for quick full run checks + row_limit = opts.get('row_limit', None) + if row_limit: + before_rows = len(b_ub) + A_ubd = A_ubd[0:row_limit] + b_ub = b_ub[0:row_limit] + print('Row limit %d => %d rows' % (before_rows, len(b_ub))) + need_simpc = 1 + + if need_simpc: + names, A_ubd, b_ub = simplify_cols(names=names, A_ubd=A_ubd, b_ub=b_ub) + debug("simp_cols") + + return A_ubd, b_ub, names + +def massage_equations(A_ubd, b_ub, opts, names, verbose=0): + ''' + Equation pipeline + Some operations may generate new equations + Simplify after these to avoid unnecessary overhead on redundant constraints + Similarly some operations may eliminate equations, potentially eliminating a column (ie variable) + Remove these columns as necessary to speed up solving + ''' + + def debug(what): + if verbose: + print('') + print_eqns(A_ubd, b_ub, verbose=verbose, label=what, lim=20) + col_dist(A_ubd, what, names) + check_feasible_d(A_ubd, b_ub, names) + + A_ubd, b_ub, names = preprocess(A_ubd, b_ub, opts, names, verbose=verbose) + + # Try to (intelligently) subtract equations to generate additional constraints + # This helps avoid putting all delay in a single shared variable + derive_lim = opts.get('derive_lim', None) + if derive_lim: + dstart = len(b_ub) + + # Original simple + if 0: + for di in range(derive_lim): + print + assert len(A_ubd) == len(b_ub) + n_orig = len(b_ub) + + # Meat of the operation + # Focus on easy equations for first pass to get a lot of easy derrivations + col_lim = 12 if di == 0 else None + #col_lim = None + A_ubd, b_ub = derive_eq_by_row(A_ubd, b_ub, col_lim=col_lim) + debug("der_rows") + # Run another simplify pass since new equations may have overlap with original + A_ubd, b_ub = simplify_rows(A_ubd, b_ub) + print('Derive row %d / %d: %d => %d equations' % (di + 1, derive_lim, n_orig, len(b_ub))) + debug("der_rows simp") + + n_orig2 = len(b_ub) + # Meat of the operation + A_ubd, b_ub = derive_eq_by_col(A_ubd, b_ub) + debug("der_cols") + # Run another simplify pass since new equations may have overlap with original + A_ubd, b_ub = simplify_rows(A_ubd=A_ubd, b_ub=b_ub) + print('Derive col %d / %d: %d => %d equations' % (di + 1, derive_lim, n_orig2, len(b_ub))) + debug("der_cols simp") + + if n_orig == len(b_ub): + break + + if 1: + # Each iteration one more column is allowed until all columns are included + # (and the system is stable) + col_lim = 15 + di = 0 + while True: + print + n_orig = len(b_ub) + + print('Loop %d, lim %d' % (di + 1, col_lim)) + # Meat of the operation + A_ubd, b_ub = derive_eq_by_row(A_ubd, b_ub, col_lim=col_lim, tweak=True) + debug("der_rows") + # Run another simplify pass since new equations may have overlap with original + A_ubd, b_ub = simplify_rows(A_ubd, b_ub) + print('Derive row: %d => %d equations' % (n_orig, len(b_ub))) + debug("der_rows simp") + + n_orig2 = len(b_ub) + # Meat of the operation + A_ubd, b_ub = derive_eq_by_col(A_ubd, b_ub) + debug("der_cols") + # Run another simplify pass since new equations may have overlap with original + A_ubd, b_ub = simplify_rows(A_ubd=A_ubd, b_ub=b_ub) + print('Derive col %d: %d => %d equations' % (di + 1, n_orig2, len(b_ub))) + debug("der_cols simp") + + # Doesn't help computation, but helps debugging + names, A_ubd, b_ub = simplify_cols(names=names, A_ubd=A_ubd, b_ub=b_ub) + A_ubd, b_ub = sort_equations(A_ubd, b_ub) + debug("loop done") + col_dist(A_ubd, 'derive done iter %d, lim %d' % (di, col_lim), names, lim=12) + + rows = len(A_ubd) + if n_orig == len(b_ub) and col_lim >= rows: + break + col_lim += col_lim / 5 + di += 1 + + dend = len(b_ub) + print('') + print('Derive net: %d => %d' % (dstart, dend)) + print('') + # Was experimentting to see how much the higher order columns really help + + cols_min_post = opts.get('cols_min_post', None) + cols_max_post = opts.get('cols_max_post', None) + # Filter input based on number of columns + if cols_min_post or cols_max_post: + A_ubd, b_ub = filter_ncols(A_ubd=A_ubd, b_ub=b_ub, cols_min=cols_min_post, cols_max=cols_max_post) + debug("filter_ncals final") + + names, A_ubd, b_ub = simplify_cols(names=names, A_ubd=A_ubd, b_ub=b_ub) + debug("simp_cols final") + + # Helps debug readability + A_ubd, b_ub = sort_equations(A_ubd, b_ub) + debug("final (sorted)") + return names, A_ubd, b_ub + +def Ar_di2ds(rowA, names): + row = OrderedDict() + for k, v in rowA.items(): + row[names[k]] = v + return row + +def A_di2ds(Adi, names): + rows = [] + for row_di in Adi: + rows.append(Ar_di2ds(row_di, names)) + return rows + +def Ar_ds2di(row_ds, names): + def keyi(name): + if name not in names: + names[name] = len(names) + return names[name] + + row_di = OrderedDict() + for k, v in row_ds.items(): + row_di[keyi(k)] = v + return row_di + +def A_ds2di(rows): + names = OrderedDict() + + A_ubd = [] + for row_ds in rows: + A_ubd.append(Ar_ds2di(row_ds, names)) + + return list(names.keys()), A_ubd + +def A_ds2np(Ads): + names, Adi = A_ds2di(Ads) + return names, A_di2np(Adi, len(names)) + +def loadc_Ads_mkb(fns, mkb, filt): + bs = [] + Ads = [] + for fn in fns: + with open(fn, 'r') as f: + # skip header + f.readline() + for l in f: + cols = l.split(',') + ico = bool(int(cols[0])) + corners = cols[1] + vars = cols[2:] + + corners = [int(x) for x in corners.split()] + def mkvar(x): + i, var = x.split() + return (var, int(i)) + vars = OrderedDict([mkvar(var) for var in vars]) + if not filt(ico, corners, vars): + continue + + bs.append(mkb(corners)) + Ads.append(vars) + + return Ads, bs + +def loadc_Ads_b(fns, corner, ico=None): + corner = corner or "slow_max" + corneri = corner_s2i[corner] + + if ico is not None: + filt = lambda ico, corners, vars: ico == ico + else: + filt = lambda ico, corners, vars: True + + def mkb(val): + return val[corneri] + return loadc_Ads_mkb(fns, mkb, filt) + +def index_names(Ads): + names = set() + for row_ds in Ads: + for k1 in row_ds.keys(): + names.add(k1) + return names diff --git a/experiments/timfuz/timfuz_checksub.py b/experiments/timfuz/timfuz_checksub.py new file mode 100644 index 00000000..774ce020 --- /dev/null +++ b/experiments/timfuz/timfuz_checksub.py @@ -0,0 +1,259 @@ +#!/usr/bin/env python3 + +from timfuz import Benchmark, Ar_di2np, Ar_ds2t, A_di2ds, A_ds2di, simplify_rows, loadc_Ads_b, index_names, A_ds2np +import numpy as np +import glob +import json +import math +from collections import OrderedDict + +# check for issues that may be due to round off error +STRICT = 1 + +def Adi2matrix_random(A_ubd, b_ub, names): + # random assignment + # was making some empty rows + + A_ret = [np.zeros(len(names)) for _i in range(len(names))] + b_ret = np.zeros(len(names)) + + for row, b in zip(A_ubd, b_ub): + # Randomly assign to a row + dst_rowi = random.randint(0, len(names) - 1) + rownp = Ar_di2np(row, cols=len(names), sf=1) + + A_ret[dst_rowi] = np.add(A_ret[dst_rowi], rownp) + b_ret[dst_rowi] += b + return A_ret, b_ret + +def Ads2matrix_linear(Ads, b): + names, Adi = A_ds2di(Ads) + cols = len(names) + rows_out = len(b) + + A_ret = [np.zeros(cols) for _i in range(rows_out)] + b_ret = np.zeros(rows_out) + + dst_rowi = 0 + for row_di, row_b in zip(Adi, b): + row_np = Ar_di2np(row_di, cols) + + A_ret[dst_rowi] = np.add(A_ret[dst_rowi], row_np) + b_ret[dst_rowi] += row_b + dst_rowi = (dst_rowi + 1) % rows_out + return A_ret, b_ret + +def row_sub_syms(row, sub_json, verbose=False): + if 0 and verbose: + print("") + print(row.items()) + + delsyms = 0 + for k in sub_json['drop_names']: + try: + del row[k] + delsyms += 1 + except KeyError: + pass + if verbose: + print("Deleted %u symbols" % delsyms) + + if verbose: + print('Checking pivots') + print(sorted(row.items())) + for group, pivot in sorted(sub_json['pivots'].items()): + if pivot not in row: + continue + n = row[pivot] + print(' pivot %u %s' % (n, pivot)) + + for group, pivot in sorted(sub_json['pivots'].items()): + if pivot not in row: + continue + + # take the sub out n times + # note constants may be negative + n = row[pivot] + if verbose: + print('pivot %i %s' % (n, pivot)) + for subk, subv in sorted(sub_json['subs'][group].items()): + oldn = row.get(subk, 0) + rown = oldn - n * subv + if verbose: + print(" %s: %d => %d" % (subk, oldn, rown)) + if rown == 0: + # only becomes zero if didn't previously exist + del row[subk] + if verbose: + print(" del") + else: + row[subk] = rown + row[group] = n + assert pivot not in row + + # after all constants are applied, the row should end up positive? + if STRICT: + for k, v in sorted(row.items()): + assert v > 0, (k, v) + +def run_sub_json(Ads, sub_json, verbose=False): + nrows = 0 + nsubs = 0 + + ncols_old = 0 + ncols_new = 0 + + print('Subbing %u rows' % len(Ads)) + prints = set() + + for rowi, row in enumerate(Ads): + if 0 and verbose: + print(row) + if verbose: + print('') + print('Row %u w/ %u elements' % (rowi, len(row))) + + row_orig = dict(row) + row_sub_syms(row, sub_json, verbose=verbose) + nrows += 1 + if row_orig != row: + nsubs += 1 + if verbose: + rowt = Ar_ds2t(row) + if rowt not in prints: + print('row', row) + prints.add(rowt) + ncols_old += len(row_orig) + ncols_new += len(row) + + if verbose: + print('') + + print("Sub: %u / %u rows changed" % (nsubs, nrows)) + print("Sub: %u => %u cols" % (ncols_old, ncols_new)) + +def pmatrix(Anp, s): + import sympy + msym = sympy.Matrix(Anp) + print(s) + sympy.pprint(msym) + +def pds(Ads, s): + names, Anp = A_ds2np(Ads) + pmatrix(Anp, s) + print('Names: %s' % (names,)) + +def run(fns_in, sub_json=None, verbose=False, corner=None): + Ads, b = loadc_Ads_b(fns_in, corner, ico=True) + + # Remove duplicate rows + # is this necessary? + # maybe better to just add them into the matrix directly + #Ads, b = simplify_rows(Ads, b) + + if sub_json: + print('Subbing JSON %u rows' % len(Ads)) + #pds(Ads, 'Orig') + names_old = index_names(Ads) + run_sub_json(Ads, sub_json, verbose=verbose) + names_new = index_names(Ads) + print("Sub: %u => %u names" % (len(names_old), len(names_new))) + print(names_new) + print('Subbed JSON %u rows' % len(Ads)) + names = names_new + #pds(Ads, 'Sub') + else: + names = index_names(Ads) + + # Squash into a matrix + # A_ub2, b_ub2 = Adi2matrix_random(A_ubd, b, names) + Amat, _bmat = Ads2matrix_linear(Ads, b) + #pmatrix(Amat, 'Matrix') + + ''' + The matrix must be fully ranked to even be considered reasonable + Even then, floating point error *possibly* could make it fully ranked, although probably not since we have whole numbers + Hence the slogdet check + ''' + print + # https://docs.scipy.org/doc/numpy-dev/reference/generated/numpy.linalg.matrix_rank.html + print('rank: %s / %d col' % (np.linalg.matrix_rank(Amat), len(names))) + if 0: + # https://docs.scipy.org/doc/numpy-1.14.0/reference/generated/numpy.linalg.slogdet.html + sign, logdet = np.linalg.slogdet(Amat) + # If the determinant is zero, then sign will be 0 and logdet will be -Inf + if sign == 0 and logdet == float('-inf'): + print('slogdet :( : 0') + else: + print('slogdet :) : %s, %s' % (sign, logdet)) + +def load_sub(fn): + delta = 0.001 + j = json.load(open(fn, 'r')) + + # convert groups to use integer constants + # beware of roundoff error + # if we round poorly here, it won't give incorrect results later, but may make it fail to find a good solution + + if 'pivots' in j: + print('pivots: using existing') + else: + print('pivots: guessing') + + pivots = OrderedDict() + j['pivots'] = pivots + + for name, vals in sorted(j['subs'].items()): + pivot = None + for k, v in vals.items(): + if STRICT: + vi = int(round(v)) + assert abs(vi - v) < delta + vals[k] = vi + else: + vals[k] = float(v) + + # there may be more than one acceptable pivot + # take the first + if v == 1 and pivot is None: + pivot = k + assert pivot is not None + pivots[name] = pivot + + return j + +def main(): + import argparse + + parser = argparse.ArgumentParser( + description= + 'Check sub.json solution feasibility' + ) + + parser.add_argument('--verbose', action='store_true', help='') + parser.add_argument('--sub-json', help='') + parser.add_argument('--corner', default="slow_max", help='') + parser.add_argument( + 'fns_in', + nargs='*', + help='timing3.txt input files') + args = parser.parse_args() + # Store options in dict to ease passing through functions + bench = Benchmark() + + fns_in = args.fns_in + if not fns_in: + fns_in = glob.glob('specimen_*/timing3.txt') + + sub_json = None + if args.sub_json: + sub_json = load_sub(args.sub_json) + + try: + run(sub_json=sub_json, + fns_in=fns_in, verbose=args.verbose, corner=args.corner) + finally: + print('Exiting after %s' % bench) + +if __name__ == '__main__': + main() diff --git a/experiments/timfuz/timfuz_corner_csv.py b/experiments/timfuz/timfuz_corner_csv.py new file mode 100644 index 00000000..1df10bd0 --- /dev/null +++ b/experiments/timfuz/timfuz_corner_csv.py @@ -0,0 +1,60 @@ +#!/usr/bin/env python3 + +from timfuz import Benchmark, simplify_rows, loadc_Ads_b +import glob + +def run(fout, fns_in, corner, verbose=0): + Ads, b = loadc_Ads_b(fns_in, corner, ico=True) + Ads, b = simplify_rows(Ads, b) + + fout.write('ico,fast_max fast_min slow_max slow_min,rows...\n') + for row_b, row_ds in zip(b, Ads): + # write in same format, but just stick to this corner + out_b = [str(row_b) for _i in range(4)] + ico = '1' + items = [ico, ' '.join(out_b)] + + for k, v in sorted(row_ds.items()): + items.append('%u %s' % (v, k)) + fout.write(','.join(items) + '\n') + +def main(): + import argparse + + parser = argparse.ArgumentParser( + description= + 'Create a .csv with a single process corner' + ) + + parser.add_argument('--verbose', type=int, help='') + parser.add_argument('--auto-name', action='store_true', help='timing3.csv => timing3c.csv') + parser.add_argument('--out', default=None, help='Output csv') + parser.add_argument('--corner', help='Output csv') + parser.add_argument( + 'fns_in', + nargs='*', + help='timing3.csv input files') + args = parser.parse_args() + bench = Benchmark() + + fnout = args.out + if fnout is None: + if args.auto_name: + assert len(args.fns_in) == 1 + fnin = args.fns_in[0] + fnout = fnin.replace('timing3.csv', 'timing3c.csv') + assert fnout != fnin, 'Expect timing3.csv in' + else: + fnout = '/dev/stdout' + print("Writing to %s" % fnout) + fout = open(fnout, 'w') + + fns_in = args.fns_in + if not fns_in: + fns_in = glob.glob('specimen_*/timing3.csv') + + run(fout=fout, + fns_in=fns_in, corner=args.corner, verbose=args.verbose) + +if __name__ == '__main__': + main() diff --git a/experiments/timfuz/timfuz_csv.py b/experiments/timfuz/timfuz_csv.py new file mode 100644 index 00000000..97da40e1 --- /dev/null +++ b/experiments/timfuz/timfuz_csv.py @@ -0,0 +1,272 @@ +#!/usr/bin/env python3 + +from timfuz import Benchmark, row_di2ds, A_di2ds +import numpy as np +import glob +import math +import json +import sympy +import sys +from collections import OrderedDict + +# Speed index: some sort of special value +SI_NONE = 0xFFFF + +PREFIX_W = 'WIRE_' +PREFIX_P = 'PIP_' +#PREFIX_W = '' +#PREFIX_P = '' + +def parse_pip(s): + # Entries like + # CLK_BUFG_REBUF_X60Y117/CLK_BUFG_REBUF.CLK_BUFG_REBUF_R_CK_GCLK0_BOT<<->>CLK_BUFG_REBUF_R_CK_GCLK0_TOP + # Convert to (site, type, pip_junction, pip) + pipstr, speed_index = s.split(':') + speed_index = int(speed_index) + site, instance = pipstr.split('/') + #type, pip_junction, pip = others.split('.') + #return (site, type, pip_junction, pip) + return site, instance, int(speed_index) + +def parse_node(s): + node, nwires = s.split(':') + return node, int(nwires) + +def parse_wire(s): + # CLBLM_R_X3Y80/CLBLM_M_D6:952 + wirestr, speed_index = s.split(':') + site, instance = wirestr.split('/') + return site, instance, int(speed_index) + +# FIXME: these actually have a delay element +# Probably need to put these back in +def remove_virtual_pips(pips): + return pips + return filter(lambda pip: not re.match(r'CLBL[LM]_[LR]_', pip[0]), pips) + +def load_timing3(f, name='file'): + # src_bel dst_bel ico fast_max fast_min slow_max slow_min pips + f.readline() + ret = [] + bads = 0 + for l in f: + # FIXME: hack + if 0 and 'CLK' in l: + continue + + l = l.strip() + if not l: + continue + parts = l.split(' ') + # FIXME: deal with these nodes + if len(parts) != 11: + bads += 1 + continue + net, src_bel, dst_bel, ico, fast_max, fast_min, slow_max, slow_min, pips, nodes, wires = parts + pips = pips.split('|') + nodes = nodes.split('|') + wires = wires.split('|') + ret.append({ + 'net': net, + 'src_bel': src_bel, + 'dst_bel': dst_bel, + 'ico': int(ico), + # ps + 'fast_max': int(fast_max), + 'fast_min': int(fast_min), + 'slow_max': int(slow_max), + 'slow_min': int(slow_min), + 'pips': remove_virtual_pips([parse_pip(pip) for pip in pips]), + 'nodes': [parse_node(node) for node in nodes], + 'wires': [parse_wire(wire) for wire in wires], + 'line': l, + }) + print(' load %s: %d bad, %d good' % (name, bads, len(ret))) + #assert 0 + return ret + +def load_speed_json(f): + j = json.load(f) + # Index speed indexes to names + speed_i2s = {} + for k, v in j['speed_model'].items(): + i = v['speed_index'] + if i != SI_NONE: + speed_i2s[i] = k + return j, speed_i2s + +# Verify the nodes and wires really do line up +def vals2Adi_check(vals, names): + print('Checking') + for val in vals: + node_wires = 0 + for _node, wiresn in val['nodes']: + node_wires += wiresn + assert node_wires == len(val['wires']) + print('Done') + assert 0 + +def vals2Adi(vals, speed_i2s, + name_tr={}, name_drop=[], + verbose=False): + def pip2speed(pip): + _site, _name, speed_index = pip + return PREFIX_P + speed_i2s[speed_index] + def wire2speed(wire): + _site, _name, speed_index = wire + return PREFIX_W + speed_i2s[speed_index] + + # Want this ordered + names = OrderedDict() + + print('Creating matrix w/ tr: %d, drop: %d' % (len(name_tr), len(name_drop))) + + # Take sites out entirely using handy "interconnect only" option + #vals = filter(lambda x: str(x).find('SLICE') >= 0, vals) + # Highest count while still getting valid result + + # First index all of the given pip types + # Start out as set then convert to list to keep matrix order consistent + sys.stdout.write('Indexing delay elements ') + sys.stdout.flush() + progress = max(1, len(vals) / 100) + for vali, val in enumerate(vals): + if vali % progress == 0: + sys.stdout.write('.') + sys.stdout.flush() + odl = [(pip2speed(pip), None) for pip in val['pips']] + names.update(OrderedDict(odl)) + + odl = [(wire2speed(wire), None) for wire in val['wires']] + names.update(OrderedDict(odl)) + print(' done') + + # Apply transform + orig_names = len(names) + for k in (list(name_drop) + list(name_tr.keys())): + if k in names: + del names[k] + else: + print('WARNING: failed to remove %s' % k) + names.update(OrderedDict([(name, None) for name in name_tr.values()])) + print('Names tr %d => %d' % (orig_names, len(names))) + + # Make unique list + names = list(names.keys()) + name_s2i = {} + for namei, name in enumerate(names): + name_s2i[name] = namei + if verbose: + for name in names: + print('NAME: ', name) + for name in name_drop: + print('DROP: ', name) + for l, r in name_tr.items(): + print('TR: %s => %s' % (l, r)) + + # Now create a matrix with all of these delays + # Each row needs len(names) elements + # -2 means 2 elements present, 0 means absent + # (could hit same pip twice) + print('Creating delay element matrix w/ %d names' % len(names)) + Adi = [None for _i in range(len(vals))] + for vali, val in enumerate(vals): + def add_name(name): + if name in name_drop: + return + name = name_tr.get(name, name) + namei = name_s2i[name] + row_di[namei] = row_di.get(namei, 0) + 1 + + # Start with 0 occurances + #row = [0 for _i in range(len(names))] + row_di = {} + + #print('pips: ', val['pips'] + for pip in val['pips']: + add_name(pip2speed(pip)) + for wire in val['wires']: + add_name(wire2speed(wire)) + #A_ub.append(row) + Adi[vali] = row_di + + return Adi, names + +# TODO: load directly as Ads +# remove names_tr, names_drop +def vals2Ads(vals, speed_i2s, verbose=False): + Adi, names = vals2Adi(vals, speed_i2s, verbose=False) + return A_di2ds(Adi, names) + +def load_Ads(speed_json_f, f_ins): + + print('Loading data') + + _speedj, speed_i2s = load_speed_json(speed_json_f) + + vals = [] + for avals in [load_timing3(f_in, name) for f_in, name in f_ins]: + vals.extend(avals) + + Ads = vals2Ads(vals, speed_i2s) + + def mkb(val): + return (val['fast_max'], val['fast_min'], val['slow_max'], val['slow_min']) + b = [mkb(val) for val in vals] + ico = [val['ico'] for val in vals] + + return Ads, b, ico + +def run(speed_json_f, fout, f_ins, verbose=0, corner=None): + Ads, bs, ico = load_Ads(speed_json_f, f_ins) + + fout.write('ico,fast_max fast_min slow_max slow_min,rows...\n') + for row_bs, row_ds, row_ico in zip(bs, Ads, ico): + # like: 123 456 120 450, 1 a, 2 b + # first column has delay corners, followed by delay element count + items = [str(row_ico), ' '.join([str(x) for x in row_bs])] + for k, v in sorted(row_ds.items()): + items.append('%u %s' % (v, k)) + fout.write(','.join(items) + '\n') + +def main(): + import argparse + + parser = argparse.ArgumentParser( + description= + 'Convert obscure timing3.txt into more readable but roughly equivilent timing3.csv' + ) + + parser.add_argument('--verbose', type=int, help='') + parser.add_argument('--auto-name', action='store_true', help='timing3.txt => timing3.csv') + parser.add_argument('--speed-json', default='build_speed/speed.json', + help='Provides speed index to name translation') + parser.add_argument('--out', default=None, help='Output csv') + parser.add_argument( + 'fns_in', + nargs='*', + help='timing3.txt input files') + args = parser.parse_args() + bench = Benchmark() + + fnout = args.out + if fnout is None: + if args.auto_name: + assert len(args.fns_in) == 1 + fnin = args.fns_in[0] + fnout = fnin.replace('.txt', '.csv') + assert fnout != fnin, 'Expect .txt in' + else: + fnout = '/dev/stdout' + print("Writing to %s" % fnout) + fout = open(fnout, 'w') + + fns_in = args.fns_in + if not fns_in: + fns_in = glob.glob('specimen_*/timing3.txt') + + run(speed_json_f=open(args.speed_json, 'r'), fout=fout, + f_ins=[(open(fn_in, 'r'), fn_in) for fn_in in fns_in], verbose=args.verbose) + +if __name__ == '__main__': + main() diff --git a/experiments/timfuz/timfuz_rref.py b/experiments/timfuz/timfuz_rref.py new file mode 100644 index 00000000..2fc3c103 --- /dev/null +++ b/experiments/timfuz/timfuz_rref.py @@ -0,0 +1,206 @@ +#!/usr/bin/env python3 + +''' +Triaging tool to help understand where we need more timing coverage +Finds correlated variables to help make better test cases +''' + +from timfuz import Benchmark, Ar_di2np, loadc_Ads_b, index_names, A_ds2np +import numpy as np +import glob +import math +import json +import sympy +from collections import OrderedDict + +STRICT = 1 + +class State(object): + def __init__(self, Ads, drop_names=[]): + self.Ads = Ads + self.names = index_names(self.Ads) + + # known zero delay elements + self.drop_names = set(drop_names) + # active names in rows + # includes sub symbols, excludes symbols that have been substituted out + self.base_names = set(self.names) + self.names = set(self.base_names) + # List of variable substitutions + # k => dict of v:n entries that it came from + self.subs = {} + self.verbose = True + + def print_stats(self): + print("Stats") + print(" Substitutions: %u" % len(self.subs)) + if self.subs: + print(" Largest: %u" % max([len(x) for x in self.subs.values()])) + print(" Rows: %u" % len(self.Ads)) + print(" Cols (in): %u" % (len(self.base_names) + len(self.drop_names))) + print(" Cols (preprocessed): %u" % len(self.base_names)) + print(" Drop names: %u" % len(self.drop_names)) + print(" Cols (out): %u" % len(self.names)) + assert len(self.names) >= len(self.subs) + + @staticmethod + def load(fn_ins): + Ads, _b = loadc_Ads_b(fn_ins, corner=None, ico=True) + return State(Ads) + +def write_state(state, fout): + j = { + 'names': dict([(x, None) for x in state.names]), + 'drop_names': list(state.drop_names), + 'base_names': list(state.base_names), + 'subs': dict([(name, values) for name, values in state.subs.items()]), + 'pivots': state.pivots, + } + json.dump(j, fout, sort_keys=True, indent=4, separators=(',', ': ')) + +def Adi2matrix(Adi, cols): + A_ub2 = [np.zeros(cols) for _i in range(cols)] + + dst_rowi = 0 + for row in Adi: + rownp = Ar_di2np(row, cols=len(names), sf=1) + + A_ub2[dst_rowi] = np.add(A_ub2[dst_rowi], rownp) + dst_rowi = (dst_rowi + 1) % len(names) + + return A_ub2 + +def Anp2matrix(Anp): + ncols = len(Anp[0]) + A_ub2 = [np.zeros(ncols) for _i in range(ncols)] + dst_rowi = 0 + for rownp in Anp: + A_ub2[dst_rowi] = np.add(A_ub2[dst_rowi], rownp) + dst_rowi = (dst_rowi + 1) % ncols + return A_ub2 + +def row_np2ds(rownp, names): + ret = {} + assert len(rownp) == len(names), (len(rownp), len(names)) + for namei, name in enumerate(names): + v = rownp[namei] + if v: + ret[name] = v + return ret + +def comb_corr_sets(state, verbose=False): + print('Converting rows to integer keys') + names, Anp = A_ds2np(state.Ads) + + print('np: %u rows x %u cols' % (len(Anp), len(Anp[0]))) + print('Combining rows into matrix') + mnp = Anp2matrix(Anp) + print('Matrix: %u rows x %u cols' % (len(mnp), len(mnp[0]))) + print('Converting np to sympy matrix') + msym = sympy.Matrix(mnp) + print('Making rref') + rref, pivots = msym.rref() + + if verbose: + print('names') + print(names) + print('Matrix') + sympy.pprint(msym) + print('Pivots') + sympy.pprint(pivots) + print('rref') + sympy.pprint(rref) + + state.pivots = {} + + def row_solved(rownp, row_pivot): + for ci, c in enumerate(rownp): + if ci == row_pivot: + continue + if c != 0: + return False + return True + + rrefnp = np.array(rref).astype(np.float64) + print('Computing groups w/ rref %u row x %u col' % (len(rrefnp), len(rrefnp[0]))) + #print(rrefnp) + # rows that have a single 1 are okay + # anything else requires substitution (unless all 0) + # pivots may be fewer than the rows + # remaining rows should be 0s + for row_i, (row_pivot, rownp) in enumerate(zip(pivots, rrefnp)): + rowds = row_np2ds(rownp, names) + # boring cases: solved variable, not fully ranked + #if sum(rowds.values()) == 1: + if row_solved(rownp, row_pivot): + continue + + # a grouping + group_name = "GROUP_%u" % row_i + if STRICT: + delta = 0.001 + rowds_store = {} + for k, v in rowds.items(): + vi = int(round(v)) + error = abs(vi - v) + assert error < delta, (error, delta) + rowds_store[k] = vi + else: + rowds_store = rowds + state.subs[group_name] = rowds_store + # Add the new symbol + state.names.add(group_name) + # Remove substituted symbols + # Note: symbols may appear multiple times + state.names.difference_update(set(rowds.keys())) + pivot_name = names[row_pivot] + state.pivots[group_name] = pivot_name + if verbose: + print("%s (%s): %s" % (group_name, pivot_name, rowds)) + + return state + +def run(fout, fn_ins, verbose=0): + print('Loading data') + + state = State.load(fn_ins) + comb_corr_sets(state, verbose=verbose) + state.print_stats() + if fout: + write_state(state, fout) + +def main(): + import argparse + + parser = argparse.ArgumentParser( + description= + 'Timing fuzzer' + ) + + parser.add_argument('--verbose', action='store_true', help='') + parser.add_argument('--speed-json', default='build_speed/speed.json', + help='Provides speed index to name translation') + parser.add_argument('--out', help='Output sub.json substitution result') + parser.add_argument( + 'fns_in', + nargs='*', + help='timing3.txt input files') + args = parser.parse_args() + bench = Benchmark() + + fout = None + if args.out: + fout = open(args.out, 'w') + + fns_in = args.fns_in + if not fns_in: + fns_in = glob.glob('specimen_*/timing3.csv') + + try: + run(fout=fout, + fn_ins=args.fns_in, verbose=args.verbose) + finally: + print('Exiting after %s' % bench) + +if __name__ == '__main__': + main() diff --git a/experiments/timfuz/timfuz_solve.py b/experiments/timfuz/timfuz_solve.py new file mode 100644 index 00000000..225d3060 --- /dev/null +++ b/experiments/timfuz/timfuz_solve.py @@ -0,0 +1,98 @@ +#!/usr/bin/env python3 + +def run_corner(A_ubd, b_ub, names, verbose=0, opts={}, meta={}): + # Given timing scores for above delays (-ps) + names_orig = names + + #print_eqns(A_ub, b_ub, verbose=verbose) + names, A_ubd, b_ub = massage_equations(A_ubd, b_ub, opts, names, verbose=verbose) + + print + print_eqns(A_ubd, b_ub, verbose=verbose) + + print + col_dist(A_ubd, 'final', names) + + A_ub, b_ub = Ab_d2np(A_ubd, b_ub, names) + + # Its having trouble giving me solutions as this gets bigger + # Make a terrible baseline guess to confirm we aren't doing something bad + #print_names(names, verbose=verbose) + check_feasible(A_ub=A_ub, b_ub=b_ub) + + ''' + Be mindful of signs + Have something like + timing1/timing 2 are constants + delay1 + delay2 + delay4 >= timing1 + delay2 + delay3 >= timing2 + + But need it in compliant form: + -delay1 + -delay2 + -delay4 <= -timing1 + -delay2 + -delay3 <= -timing2 + ''' + rows = len(A_ub) + cols = len(A_ub[0]) + # Minimization function scalars + # Treat all logic elements as equally important + c = [1 for _i in range(len(names))] + # Delays cannot be negative + # (this is also the default constraint) + #bounds = [(0, None) for _i in range(len(names))] + # Also you can provide one to apply to all + bounds = (0, None) + + # Seems to take about rows + 3 iterations + # Give some margin + #maxiter = int(1.1 * rows + 100) + #maxiter = max(1000, int(1000 * rows + 1000)) + # Most of the time I want it to just keep going unless I ^C it + maxiter = 1000000 + + if verbose >= 2: + print('b_ub', b_ub) + print('Unique delay elements: %d' % len(names)) + print(' # delay minimization weights: %d' % len(c)) + print(' # delay constraints: %d' % len(bounds)) + print('Input paths') + print(' # timing scores: %d' % len(b_ub)) + print(' Rows: %d' % rows) + + tlast = [time.time()] + iters = [0] + printn = [0] + def callback(xk, **kwargs): + iters[0] = kwargs['nit'] + if time.time() - tlast[0] > 1.0: + sys.stdout.write('I:%d ' % kwargs['nit']) + tlast[0] = time.time() + printn[0] += 1 + if printn[0] % 10 == 0: + sys.stdout.write('\n') + sys.stdout.flush() + + print('') + # Now find smallest values for delay constants + # Due to input bounds (ex: column limit), some delay elements may get eliminated entirely + print('Running linprog w/ %d r, %d c (%d name)' % (rows, cols, len(names_orig))) + res = linprog(c, A_ub=A_ub, b_ub=b_ub, bounds=bounds, callback=callback, + options={"disp": True, 'maxiter': maxiter, 'bland': True, 'tol': 1e-6,}) + nonzeros = 0 + print('Ran %d iters' % iters[0]) + if res.success: + print('Result sample (%d elements)' % (len(res.x))) + plim = 3 + for xi, (name, x) in enumerate(zip(names, res.x)): + nonzero = x >= 0.001 + if nonzero: + nonzeros += 1 + #if nonzero and (verbose >= 1 or xi > 30): + if nonzero and (verbose or ((nonzeros < 100 or nonzeros % 20 == 0) and nonzeros <= plim)): + print(' % 4u % -80s % 10.1f' % (xi, name, x)) + print('Delay on %d / %d' % (nonzeros, len(res.x))) + if not os.path.exists('res'): + os.mkdir('res') + fn_out = 'res/%s' % datetime.datetime.utcnow().isoformat().split('.')[0] + print('Writing %s' % fn_out) + np.save(fn_out, (3, c, A_ub, b_ub, bounds, names, res, meta)) + diff --git a/experiments/timfuz/top.v b/experiments/timfuz/top.v new file mode 100644 index 00000000..0cb9b8a3 --- /dev/null +++ b/experiments/timfuz/top.v @@ -0,0 +1,109 @@ +//move some stuff to minitests/ncy0 + +`define SEED 32'h12345678 + +module top(input clk, stb, di, output do); + localparam integer DIN_N = 42; + localparam integer DOUT_N = 79; + + reg [DIN_N-1:0] din; + wire [DOUT_N-1:0] dout; + + reg [DIN_N-1:0] din_shr; + reg [DOUT_N-1:0] dout_shr; + + always @(posedge clk) begin + din_shr <= {din_shr, di}; + dout_shr <= {dout_shr, din_shr[DIN_N-1]}; + if (stb) begin + din <= din_shr; + dout_shr <= dout; + end + end + + assign do = dout_shr[DOUT_N-1]; + + roi #(.DIN_N(DIN_N), .DOUT_N(DOUT_N)) + roi ( + .clk(clk), + .din(din), + .dout(dout) + ); +endmodule + +module roi(input clk, input [DIN_N-1:0] din, output [DOUT_N-1:0] dout); + parameter integer DIN_N = -1; + parameter integer DOUT_N = -1; + + /* + //Take out for now to make sure LUTs are more predictable + picorv32 picorv32 ( + .clk(clk), + .resetn(din[0]), + .mem_valid(dout[0]), + .mem_instr(dout[1]), + .mem_ready(din[1]), + .mem_addr(dout[33:2]), + .mem_wdata(dout[66:34]), + .mem_wstrb(dout[70:67]), + .mem_rdata(din[33:2]) + ); + */ + + /* + randluts randluts ( + .din(din[41:34]), + .dout(dout[78:71]) + ); + */ + randluts #(.N(150)) randluts ( + .din(din[41:34]), + .dout(dout[78:71]) + ); +endmodule + +module randluts(input [7:0] din, output [7:0] dout); + parameter integer N = 250; + + function [31:0] xorshift32(input [31:0] xorin); + begin + xorshift32 = xorin; + xorshift32 = xorshift32 ^ (xorshift32 << 13); + xorshift32 = xorshift32 ^ (xorshift32 >> 17); + xorshift32 = xorshift32 ^ (xorshift32 << 5); + end + endfunction + + function [63:0] lutinit(input [7:0] a, b); + begin + lutinit[63:32] = xorshift32(xorshift32(xorshift32(xorshift32({a, b} ^ `SEED)))); + lutinit[31: 0] = xorshift32(xorshift32(xorshift32(xorshift32({b, a} ^ `SEED)))); + end + endfunction + + wire [(N+1)*8-1:0] nets; + + assign nets[7:0] = din; + assign dout = nets[(N+1)*8-1:N*8]; + + genvar i, j; + generate + for (i = 0; i < N; i = i+1) begin:is + for (j = 0; j < 8; j = j+1) begin:js + localparam integer k = xorshift32(xorshift32(xorshift32(xorshift32((i << 20) ^ (j << 10) ^ `SEED)))) & 255; + (* KEEP, DONT_TOUCH *) + LUT6 #( + .INIT(lutinit(i, j)) + ) lut ( + .I0(nets[8*i+(k+0)%8]), + .I1(nets[8*i+(k+1)%8]), + .I2(nets[8*i+(k+2)%8]), + .I3(nets[8*i+(k+3)%8]), + .I4(nets[8*i+(k+4)%8]), + .I5(nets[8*i+(k+5)%8]), + .O(nets[8*i+8+j]) + ); + end + end + endgenerate +endmodule diff --git a/experiments/timfuz/wire_unique.py b/experiments/timfuz/wire_unique.py new file mode 100644 index 00000000..391c2e0c --- /dev/null +++ b/experiments/timfuz/wire_unique.py @@ -0,0 +1,92 @@ +''' +Verifies that node timing info is unique +''' + +import re + +def gen_wires(fin): + for l in fin: + lj = {} + l = l.strip() + for kvs in l.split(): + name, value = kvs.split(':') + lj[name] = value + + tile_type, xy, wname = re.match(r'(.*)_(X[0-9]*Y[0-9]*)/(.*)', lj['NAME']).groups() + lj['tile_type'] = tile_type + lj['xy'] = xy + lj['wname'] = wname + + lj['l'] = l + + yield lj + +def run(node_fin, verbose=0): + refnodes = {} + nodei = 0 + for nodei, anode in enumerate(gen_wires(node_fin)): + def getk(anode): + return anode['wname'] + #return (anode['tile_type'], anode['wname']) + + if nodei % 1000 == 0: + print 'Check node %d' % nodei + # Existing node? + try: + refnode = refnodes[getk(anode)] + except KeyError: + # Set as reference + refnodes[getk(anode)] = anode + continue + k_invariant = ( + 'COST_CODE', + 'IS_INPUT_PIN', + 'IS_OUTPUT_PIN', + 'IS_PART_OF_BUS', + 'NUM_INTERSECTS', + 'NUM_TILE_PORTS', + 'SPEED_INDEX', + 'TILE_PATTERN_OFFSET', + ) + k_varies = ( + 'ID_IN_TILE_TYPE', + 'IS_CONNECTED', + 'NUM_DOWNHILL_PIPS', + 'NUM_PIPS', + 'NUM_UPHILL_PIPS', + 'TILE_NAME', + ) + # Verify equivilence + for k in k_invariant: + if k in refnode and k in anode: + def fail(): + print 'Mismatch on %s' % k + print refnode[k], anode[k] + print refnode['l'] + print anode['l'] + #assert 0 + if refnode[k] != anode[k]: + print + fail() + # A key in one but not the other? + elif k in refnode or k in anode: + assert 0 + elif k not in k_varies: + assert 0 + +if __name__ == '__main__': + import argparse + + parser = argparse.ArgumentParser( + description= + 'Timing fuzzer' + ) + + parser.add_argument('--verbose', type=int, help='') + parser.add_argument( + 'node_fn_in', + default='/dev/stdin', + nargs='?', + help='Input file') + args = parser.parse_args() + run(open(args.node_fn_in, 'r'), verbose=args.verbose) From 8c5436916c422e580619aafd7879d476047bc6c1 Mon Sep 17 00:00:00 2001 From: John McMaster Date: Fri, 24 Aug 2018 12:51:21 -0700 Subject: [PATCH 02/55] timfuz: begin converting to fractions Signed-off-by: John McMaster --- experiments/timfuz/timfuz_checksub.py | 4 +++- experiments/timfuz/timfuz_rref.py | 21 +++++++++++++++++++-- 2 files changed, 22 insertions(+), 3 deletions(-) diff --git a/experiments/timfuz/timfuz_checksub.py b/experiments/timfuz/timfuz_checksub.py index 774ce020..cf290d78 100644 --- a/experiments/timfuz/timfuz_checksub.py +++ b/experiments/timfuz/timfuz_checksub.py @@ -8,7 +8,7 @@ import math from collections import OrderedDict # check for issues that may be due to round off error -STRICT = 1 +STRICT = 0 def Adi2matrix_random(A_ubd, b_ub, names): # random assignment @@ -92,6 +92,8 @@ def row_sub_syms(row, sub_json, verbose=False): assert pivot not in row # after all constants are applied, the row should end up positive? + # numeric precision issues may limit this + # Ex: AssertionError: ('PIP_BSW_2ELSING0', -2.220446049250313e-16) if STRICT: for k, v in sorted(row.items()): assert v > 0, (k, v) diff --git a/experiments/timfuz/timfuz_rref.py b/experiments/timfuz/timfuz_rref.py index 2fc3c103..1fa514b3 100644 --- a/experiments/timfuz/timfuz_rref.py +++ b/experiments/timfuz/timfuz_rref.py @@ -12,8 +12,22 @@ import math import json import sympy from collections import OrderedDict +from fractions import Fraction -STRICT = 1 +STRICT = 0 + +def fracr(r): + DELTA = 0.0001 + + for i, x in enumerate(r): + if type(x) is float: + xi = int(x) + assert abs(xi - x) < DELTA + r[i] = xi + return [Fraction(x) for x in r] + +def fracm(m): + return [fracr(r) for r in m] class State(object): def __init__(self, Ads, drop_names=[]): @@ -97,10 +111,13 @@ def comb_corr_sets(state, verbose=False): mnp = Anp2matrix(Anp) print('Matrix: %u rows x %u cols' % (len(mnp), len(mnp[0]))) print('Converting np to sympy matrix') - msym = sympy.Matrix(mnp) + mfrac = fracm(mnp) + print('mfrac', type(mfrac[0][0])) + msym = sympy.Matrix(mfrac) print('Making rref') rref, pivots = msym.rref() + if verbose: print('names') print(names) From 71dad3d09cf498d69d567fab7b3507faaaa7eb36 Mon Sep 17 00:00:00 2001 From: John McMaster Date: Fri, 24 Aug 2018 13:12:33 -0700 Subject: [PATCH 03/55] timfuz: use symbolic math to generate constants Signed-off-by: John McMaster --- experiments/timfuz/timfuz_checksub.py | 11 ++---- experiments/timfuz/timfuz_rref.py | 56 +++++++++++++++------------ 2 files changed, 35 insertions(+), 32 deletions(-) diff --git a/experiments/timfuz/timfuz_checksub.py b/experiments/timfuz/timfuz_checksub.py index cf290d78..a1bbc5d7 100644 --- a/experiments/timfuz/timfuz_checksub.py +++ b/experiments/timfuz/timfuz_checksub.py @@ -8,7 +8,7 @@ import math from collections import OrderedDict # check for issues that may be due to round off error -STRICT = 0 +STRICT = 1 def Adi2matrix_random(A_ubd, b_ub, names): # random assignment @@ -78,7 +78,7 @@ def row_sub_syms(row, sub_json, verbose=False): print('pivot %i %s' % (n, pivot)) for subk, subv in sorted(sub_json['subs'][group].items()): oldn = row.get(subk, 0) - rown = oldn - n * subv + rown = oldn - n * (1.0* subv[0] / subv[1]) if verbose: print(" %s: %d => %d" % (subk, oldn, rown)) if rown == 0: @@ -208,12 +208,7 @@ def load_sub(fn): for name, vals in sorted(j['subs'].items()): pivot = None for k, v in vals.items(): - if STRICT: - vi = int(round(v)) - assert abs(vi - v) < delta - vals[k] = vi - else: - vals[k] = float(v) + vals[k] = float(v) # there may be more than one acceptable pivot # take the first diff --git a/experiments/timfuz/timfuz_rref.py b/experiments/timfuz/timfuz_rref.py index 1fa514b3..0ac87967 100644 --- a/experiments/timfuz/timfuz_rref.py +++ b/experiments/timfuz/timfuz_rref.py @@ -14,8 +14,6 @@ import sympy from collections import OrderedDict from fractions import Fraction -STRICT = 0 - def fracr(r): DELTA = 0.0001 @@ -85,6 +83,12 @@ def Adi2matrix(Adi, cols): return A_ub2 def Anp2matrix(Anp): + ''' + Original idea was to make into a square matrix + but this loses too much information + so now this actually isn't doing anything and should probably be eliminated + ''' + ncols = len(Anp[0]) A_ub2 = [np.zeros(ncols) for _i in range(ncols)] dst_rowi = 0 @@ -102,6 +106,19 @@ def row_np2ds(rownp, names): ret[name] = v return ret +def row_sym2dsf(rowsym, names): + '''Convert a sympy row into a dictionary of keys to (numerator, denominator) tuples''' + from sympy import fraction + + ret = {} + assert len(rowsym) == len(names), (len(rowsym), len(names)) + for namei, name in enumerate(names): + v = rowsym[namei] + if v: + (num, den) = fraction(v) + ret[name] = (int(num), int(den)) + return ret + def comb_corr_sets(state, verbose=False): print('Converting rows to integer keys') names, Anp = A_ds2np(state.Ads) @@ -130,50 +147,41 @@ def comb_corr_sets(state, verbose=False): state.pivots = {} - def row_solved(rownp, row_pivot): - for ci, c in enumerate(rownp): + def row_solved(rowsym, row_pivot): + for ci, c in enumerate(rowsym): if ci == row_pivot: continue if c != 0: return False return True - rrefnp = np.array(rref).astype(np.float64) - print('Computing groups w/ rref %u row x %u col' % (len(rrefnp), len(rrefnp[0]))) + #rrefnp = np.array(rref).astype(np.float64) + #print('Computing groups w/ rref %u row x %u col' % (len(rrefnp), len(rrefnp[0]))) #print(rrefnp) # rows that have a single 1 are okay # anything else requires substitution (unless all 0) # pivots may be fewer than the rows # remaining rows should be 0s - for row_i, (row_pivot, rownp) in enumerate(zip(pivots, rrefnp)): - rowds = row_np2ds(rownp, names) - # boring cases: solved variable, not fully ranked - #if sum(rowds.values()) == 1: - if row_solved(rownp, row_pivot): + for row_i, row_pivot in enumerate(pivots): + rowsym = rref.row(row_i) + # yipee! nothign to report + if row_solved(rowsym, row_pivot): continue # a grouping group_name = "GROUP_%u" % row_i - if STRICT: - delta = 0.001 - rowds_store = {} - for k, v in rowds.items(): - vi = int(round(v)) - error = abs(vi - v) - assert error < delta, (error, delta) - rowds_store[k] = vi - else: - rowds_store = rowds - state.subs[group_name] = rowds_store + rowdsf = row_sym2dsf(rowsym, names) + + state.subs[group_name] = rowdsf # Add the new symbol state.names.add(group_name) # Remove substituted symbols # Note: symbols may appear multiple times - state.names.difference_update(set(rowds.keys())) + state.names.difference_update(set(rowdsf.keys())) pivot_name = names[row_pivot] state.pivots[group_name] = pivot_name if verbose: - print("%s (%s): %s" % (group_name, pivot_name, rowds)) + print("%s (%s): %s" % (group_name, pivot_name, rowdsf)) return state From 97ea34d4cd5e39d0c68bf92a7d0200dd49153363 Mon Sep 17 00:00:00 2001 From: John McMaster Date: Fri, 24 Aug 2018 13:22:34 -0700 Subject: [PATCH 04/55] timfuz: checksub uses fractions Signed-off-by: John McMaster --- experiments/timfuz/timfuz_checksub.py | 32 +++++---------------------- 1 file changed, 6 insertions(+), 26 deletions(-) diff --git a/experiments/timfuz/timfuz_checksub.py b/experiments/timfuz/timfuz_checksub.py index a1bbc5d7..3bd4df63 100644 --- a/experiments/timfuz/timfuz_checksub.py +++ b/experiments/timfuz/timfuz_checksub.py @@ -6,6 +6,7 @@ import glob import json import math from collections import OrderedDict +from fractions import Fraction # check for issues that may be due to round off error STRICT = 1 @@ -77,8 +78,8 @@ def row_sub_syms(row, sub_json, verbose=False): if verbose: print('pivot %i %s' % (n, pivot)) for subk, subv in sorted(sub_json['subs'][group].items()): - oldn = row.get(subk, 0) - rown = oldn - n * (1.0* subv[0] / subv[1]) + oldn = row.get(subk, Fraction(0)) + rown = oldn - n * subv if verbose: print(" %s: %d => %d" % (subk, oldn, rown)) if rown == 0: @@ -190,32 +191,11 @@ def run(fns_in, sub_json=None, verbose=False, corner=None): print('slogdet :) : %s, %s' % (sign, logdet)) def load_sub(fn): - delta = 0.001 j = json.load(open(fn, 'r')) - # convert groups to use integer constants - # beware of roundoff error - # if we round poorly here, it won't give incorrect results later, but may make it fail to find a good solution - - if 'pivots' in j: - print('pivots: using existing') - else: - print('pivots: guessing') - - pivots = OrderedDict() - j['pivots'] = pivots - - for name, vals in sorted(j['subs'].items()): - pivot = None - for k, v in vals.items(): - vals[k] = float(v) - - # there may be more than one acceptable pivot - # take the first - if v == 1 and pivot is None: - pivot = k - assert pivot is not None - pivots[name] = pivot + for name, vals in sorted(j['subs'].items()): + for k, v in vals.items(): + vals[k] = Fraction(v[0], v[1]) return j From aeebb45b34446fefbb14bb713a1ba590ca465f02 Mon Sep 17 00:00:00 2001 From: John McMaster Date: Fri, 24 Aug 2018 14:10:36 -0700 Subject: [PATCH 05/55] timfuz: timfuz_solve main() Signed-off-by: John McMaster --- experiments/timfuz/timfuz.py | 121 +++++++++++++++++-- experiments/timfuz/timfuz_checksub.py | 117 ++---------------- experiments/timfuz/timfuz_solve.py | 165 ++++++++++++++++++++++---- 3 files changed, 261 insertions(+), 142 deletions(-) diff --git a/experiments/timfuz/timfuz.py b/experiments/timfuz/timfuz.py index 1e14074b..9082c25b 100644 --- a/experiments/timfuz/timfuz.py +++ b/experiments/timfuz/timfuz.py @@ -1,7 +1,5 @@ #!/usr/bin/env python -# https://docs.scipy.org/doc/scipy-0.18.1/reference/generated/scipy.optimize.linprog.html -from scipy.optimize import linprog import math import numpy as np from collections import OrderedDict @@ -14,6 +12,7 @@ import copy import sys import random import glob +from fractions import Fraction from benchmark import Benchmark @@ -229,36 +228,33 @@ def simplify_cols(names, A_ubd, b_ub): nr = list(names_ret.keys()) return nr, A_ub_ret, b_ub -def A_ubr_np2d(row, sf=1): +def A_ubr_np2d(row): '''Convert a single row''' #d = {} d = OrderedDict() for coli, val in enumerate(row): if val: - d[coli] = sf * val + d[coli] = val return d -def A_ub_np2d(A_ub, sf=1): +def A_ub_np2d(A_ub): '''Convert A_ub entries in numpy matrix to dictionary / sparse form''' A_ubd = [None] * len(A_ub) for i, row in enumerate(A_ub): - A_ubd[i] = A_ubr_np2d(row, sf=sf) + A_ubd[i] = A_ubr_np2d(row) return A_ubd -# def Ar_ds2np(row_ds, names): -# Ar_di2np(row_di, cols, sf=1) - -def Ar_di2np(row_di, cols, sf=1): +def Ar_di2np(row_di, cols): rownp = np.zeros(cols) for coli, val in row_di.items(): # Sign inversion due to way solver works - rownp[coli] = sf * val + rownp[coli] = val return rownp # NOTE: sign inversion -def A_di2np(Adi, cols, sf=1): +def A_di2np(Adi, cols): '''Convert A_ub entries in dictionary / sparse to numpy matrix form''' - return [Ar_di2np(row_di, cols, sf=sf) for row_di in Adi] + return [Ar_di2np(row_di, cols) for row_di in Adi] def Ar_ds2t(rowd): '''Convert a dictionary row into a tuple with (column number, value) tuples''' @@ -817,3 +813,102 @@ def index_names(Ads): for k1 in row_ds.keys(): names.add(k1) return names + +def load_sub(fn): + j = json.load(open(fn, 'r')) + + for name, vals in sorted(j['subs'].items()): + for k, v in vals.items(): + vals[k] = Fraction(v[0], v[1]) + + return j + +def row_sub_syms(row, sub_json, verbose=False): + if 0 and verbose: + print("") + print(row.items()) + + delsyms = 0 + for k in sub_json['drop_names']: + try: + del row[k] + delsyms += 1 + except KeyError: + pass + if verbose: + print("Deleted %u symbols" % delsyms) + + if verbose: + print('Checking pivots') + print(sorted(row.items())) + for group, pivot in sorted(sub_json['pivots'].items()): + if pivot not in row: + continue + n = row[pivot] + print(' pivot %u %s' % (n, pivot)) + + for group, pivot in sorted(sub_json['pivots'].items()): + if pivot not in row: + continue + + # take the sub out n times + # note constants may be negative + n = row[pivot] + if verbose: + print('pivot %i %s' % (n, pivot)) + for subk, subv in sorted(sub_json['subs'][group].items()): + oldn = row.get(subk, Fraction(0)) + rown = oldn - n * subv + if verbose: + print(" %s: %d => %d" % (subk, oldn, rown)) + if rown == 0: + # only becomes zero if didn't previously exist + del row[subk] + if verbose: + print(" del") + else: + row[subk] = rown + row[group] = n + assert pivot not in row + + # after all constants are applied, the row should end up positive? + # numeric precision issues previously limited this + # Ex: AssertionError: ('PIP_BSW_2ELSING0', -2.220446049250313e-16) + for k, v in sorted(row.items()): + assert v > 0, (k, v) + +def run_sub_json(Ads, sub_json, verbose=False): + nrows = 0 + nsubs = 0 + + ncols_old = 0 + ncols_new = 0 + + print('Subbing %u rows' % len(Ads)) + prints = set() + + for rowi, row in enumerate(Ads): + if 0 and verbose: + print(row) + if verbose: + print('') + print('Row %u w/ %u elements' % (rowi, len(row))) + + row_orig = dict(row) + row_sub_syms(row, sub_json, verbose=verbose) + nrows += 1 + if row_orig != row: + nsubs += 1 + if verbose: + rowt = Ar_ds2t(row) + if rowt not in prints: + print('row', row) + prints.add(rowt) + ncols_old += len(row_orig) + ncols_new += len(row) + + if verbose: + print('') + + print("Sub: %u / %u rows changed" % (nsubs, nrows)) + print("Sub: %u => %u cols" % (ncols_old, ncols_new)) diff --git a/experiments/timfuz/timfuz_checksub.py b/experiments/timfuz/timfuz_checksub.py index 3bd4df63..f91fb38e 100644 --- a/experiments/timfuz/timfuz_checksub.py +++ b/experiments/timfuz/timfuz_checksub.py @@ -1,6 +1,6 @@ #!/usr/bin/env python3 -from timfuz import Benchmark, Ar_di2np, Ar_ds2t, A_di2ds, A_ds2di, simplify_rows, loadc_Ads_b, index_names, A_ds2np +from timfuz import Benchmark, Ar_di2np, Ar_ds2t, A_di2ds, A_ds2di, simplify_rows, loadc_Ads_b, index_names, A_ds2np, load_sub, run_sub_json import numpy as np import glob import json @@ -8,9 +8,6 @@ import math from collections import OrderedDict from fractions import Fraction -# check for issues that may be due to round off error -STRICT = 1 - def Adi2matrix_random(A_ubd, b_ub, names): # random assignment # was making some empty rows @@ -44,97 +41,6 @@ def Ads2matrix_linear(Ads, b): dst_rowi = (dst_rowi + 1) % rows_out return A_ret, b_ret -def row_sub_syms(row, sub_json, verbose=False): - if 0 and verbose: - print("") - print(row.items()) - - delsyms = 0 - for k in sub_json['drop_names']: - try: - del row[k] - delsyms += 1 - except KeyError: - pass - if verbose: - print("Deleted %u symbols" % delsyms) - - if verbose: - print('Checking pivots') - print(sorted(row.items())) - for group, pivot in sorted(sub_json['pivots'].items()): - if pivot not in row: - continue - n = row[pivot] - print(' pivot %u %s' % (n, pivot)) - - for group, pivot in sorted(sub_json['pivots'].items()): - if pivot not in row: - continue - - # take the sub out n times - # note constants may be negative - n = row[pivot] - if verbose: - print('pivot %i %s' % (n, pivot)) - for subk, subv in sorted(sub_json['subs'][group].items()): - oldn = row.get(subk, Fraction(0)) - rown = oldn - n * subv - if verbose: - print(" %s: %d => %d" % (subk, oldn, rown)) - if rown == 0: - # only becomes zero if didn't previously exist - del row[subk] - if verbose: - print(" del") - else: - row[subk] = rown - row[group] = n - assert pivot not in row - - # after all constants are applied, the row should end up positive? - # numeric precision issues may limit this - # Ex: AssertionError: ('PIP_BSW_2ELSING0', -2.220446049250313e-16) - if STRICT: - for k, v in sorted(row.items()): - assert v > 0, (k, v) - -def run_sub_json(Ads, sub_json, verbose=False): - nrows = 0 - nsubs = 0 - - ncols_old = 0 - ncols_new = 0 - - print('Subbing %u rows' % len(Ads)) - prints = set() - - for rowi, row in enumerate(Ads): - if 0 and verbose: - print(row) - if verbose: - print('') - print('Row %u w/ %u elements' % (rowi, len(row))) - - row_orig = dict(row) - row_sub_syms(row, sub_json, verbose=verbose) - nrows += 1 - if row_orig != row: - nsubs += 1 - if verbose: - rowt = Ar_ds2t(row) - if rowt not in prints: - print('row', row) - prints.add(rowt) - ncols_old += len(row_orig) - ncols_new += len(row) - - if verbose: - print('') - - print("Sub: %u / %u rows changed" % (nsubs, nrows)) - print("Sub: %u => %u cols" % (ncols_old, ncols_new)) - def pmatrix(Anp, s): import sympy msym = sympy.Matrix(Anp) @@ -146,7 +52,10 @@ def pds(Ads, s): pmatrix(Anp, s) print('Names: %s' % (names,)) -def run(fns_in, sub_json=None, verbose=False, corner=None): +def run(fns_in, sub_json=None, verbose=False): + # arbitrary...data is thrown away + corner = "slow_max" + Ads, b = loadc_Ads_b(fns_in, corner, ico=True) # Remove duplicate rows @@ -190,15 +99,6 @@ def run(fns_in, sub_json=None, verbose=False, corner=None): else: print('slogdet :) : %s, %s' % (sign, logdet)) -def load_sub(fn): - j = json.load(open(fn, 'r')) - - for name, vals in sorted(j['subs'].items()): - for k, v in vals.items(): - vals[k] = Fraction(v[0], v[1]) - - return j - def main(): import argparse @@ -209,18 +109,17 @@ def main(): parser.add_argument('--verbose', action='store_true', help='') parser.add_argument('--sub-json', help='') - parser.add_argument('--corner', default="slow_max", help='') parser.add_argument( 'fns_in', nargs='*', - help='timing3.txt input files') + help='timing3.csv input files') args = parser.parse_args() # Store options in dict to ease passing through functions bench = Benchmark() fns_in = args.fns_in if not fns_in: - fns_in = glob.glob('specimen_*/timing3.txt') + fns_in = glob.glob('specimen_*/timing3.csv') sub_json = None if args.sub_json: @@ -228,7 +127,7 @@ def main(): try: run(sub_json=sub_json, - fns_in=fns_in, verbose=args.verbose, corner=args.corner) + fns_in=fns_in, verbose=args.verbose) finally: print('Exiting after %s' % bench) diff --git a/experiments/timfuz/timfuz_solve.py b/experiments/timfuz/timfuz_solve.py index 225d3060..2041d773 100644 --- a/experiments/timfuz/timfuz_solve.py +++ b/experiments/timfuz/timfuz_solve.py @@ -1,24 +1,77 @@ #!/usr/bin/env python3 -def run_corner(A_ubd, b_ub, names, verbose=0, opts={}, meta={}): +# https://docs.scipy.org/doc/scipy-0.18.1/reference/generated/scipy.optimize.linprog.html +from scipy.optimize import linprog +from timfuz import Benchmark, Ar_di2np, Ar_ds2t, A_di2ds, A_ds2di, simplify_rows, loadc_Ads_b, index_names, A_ds2np, load_sub, run_sub_json +import numpy as np +import glob +import json +import math +from collections import OrderedDict +from fractions import Fraction +import sys +import datetime +import os +import time + +def check_feasible(A_ub, b_ub): + ''' + Put large timing constants into the equations + See if that would solve it + + Its having trouble giving me solutions as this gets bigger + Make a terrible baseline guess to confirm we aren't doing something bad + ''' + + sys.stdout.write('Check feasible ') + sys.stdout.flush() + + rows = len(b_ub) + cols = len(A_ub[0]) + + progress = max(1, rows / 100) + + # Chose a high arbitrary value for x + # Delays should be in order of ns, so a 10 ns delay should be way above what anything should be + xs = [10e3 for _i in range(cols)] + + # FIXME: use the correct np function to do this for me + # Verify bounds + #b_res = np.matmul(A_ub, xs) + #print(type(A_ub), type(xs) + #A_ub = np.array(A_ub) + #xs = np.array(xs) + #b_res = np.matmul(A_ub, xs) + def my_mul(A_ub, xs): + #print('cols', cols + #print('rows', rows + ret = [None] * rows + for row in range(rows): + this = 0 + for col in range(cols): + this += A_ub[row][col] * xs[col] + ret[row] = this + return ret + b_res = my_mul(A_ub, xs) + + # Verify bound was respected + for rowi, (this_b, this_b_ub) in enumerate(zip(b_res, b_ub)): + if rowi % progress == 0: + sys.stdout.write('.') + sys.stdout.flush() + if this_b >= this_b_ub or this_b > 0: + print('% 4d Want res % 10.1f <= % 10.1f <= 0' % (rowi, this_b, this_b_ub)) + raise Exception("Bad ") + print(' done') + +def run_corner(Anp, b, names, verbose=False, opts={}, meta={}): + assert type(Anp[0]) is np.ndarray, type(Anp[0]) + assert type(b) is np.ndarray, type(b) + # Given timing scores for above delays (-ps) names_orig = names - #print_eqns(A_ub, b_ub, verbose=verbose) - names, A_ubd, b_ub = massage_equations(A_ubd, b_ub, opts, names, verbose=verbose) - - print - print_eqns(A_ubd, b_ub, verbose=verbose) - - print - col_dist(A_ubd, 'final', names) - - A_ub, b_ub = Ab_d2np(A_ubd, b_ub, names) - - # Its having trouble giving me solutions as this gets bigger - # Make a terrible baseline guess to confirm we aren't doing something bad - #print_names(names, verbose=verbose) - check_feasible(A_ub=A_ub, b_ub=b_ub) + #check_feasible(Anp, b) ''' Be mindful of signs @@ -31,8 +84,14 @@ def run_corner(A_ubd, b_ub, names, verbose=0, opts={}, meta={}): -delay1 + -delay2 + -delay4 <= -timing1 -delay2 + -delay3 <= -timing2 ''' - rows = len(A_ub) - cols = len(A_ub[0]) + rows = len(Anp) + cols = len(Anp[0]) + print('Scaling to solution form...') + b_ub = -1.0 * b + #A_ub = -1.0 * Anp + A_ub = [-1.0 * x for x in Anp] + + print('Creating misc constants...') # Minimization function scalars # Treat all logic elements as equally important c = [1 for _i in range(len(names))] @@ -50,12 +109,12 @@ def run_corner(A_ubd, b_ub, names, verbose=0, opts={}, meta={}): maxiter = 1000000 if verbose >= 2: - print('b_ub', b_ub) + print('b_ub', b) print('Unique delay elements: %d' % len(names)) print(' # delay minimization weights: %d' % len(c)) print(' # delay constraints: %d' % len(bounds)) print('Input paths') - print(' # timing scores: %d' % len(b_ub)) + print(' # timing scores: %d' % len(b)) print(' Rows: %d' % rows) tlast = [time.time()] @@ -96,3 +155,69 @@ def run_corner(A_ubd, b_ub, names, verbose=0, opts={}, meta={}): print('Writing %s' % fn_out) np.save(fn_out, (3, c, A_ub, b_ub, bounds, names, res, meta)) +def run(fns_in, corner, sub_json=None, dedup=True, verbose=False): + Ads, b = loadc_Ads_b(fns_in, corner, ico=True) + + # Remove duplicate rows + # is this necessary? + # maybe better to just add them into the matrix directly + if dedup: + oldn = len(Ads) + Ads, b = simplify_rows(Ads, b) + print('Simplify %u => %u rows' % (oldn, len(Ads))) + + if sub_json: + print('Sub: %u rows' % len(Ads)) + names_old = index_names(Ads) + run_sub_json(Ads, sub_json, verbose=verbose) + names = index_names(Ads) + print("Sub: %u => %u names" % (len(names_old), len(names))) + else: + names = index_names(Ads) + + if 0: + print + print_eqns(A_ubd, b_ub, verbose=verbose) + + print + col_dist(A_ubd, 'final', names) + + print('Converting to numpy...') + names, Anp = A_ds2np(Ads) + run_corner(Anp, np.asarray(b), names, verbose=verbose) + +def main(): + import argparse + + parser = argparse.ArgumentParser( + description= + 'Solve timing solution' + ) + + parser.add_argument('--verbose', action='store_true', help='') + parser.add_argument('--sub-json', help='Group substitutions to make fully ranked') + parser.add_argument('--corner', default="slow_max", help='') + parser.add_argument( + 'fns_in', + nargs='*', + help='timing3.csv input files') + args = parser.parse_args() + # Store options in dict to ease passing through functions + bench = Benchmark() + + fns_in = args.fns_in + if not fns_in: + fns_in = glob.glob('specimen_*/timing3.csv') + + sub_json = None + if args.sub_json: + sub_json = load_sub(args.sub_json) + + try: + run(sub_json=sub_json, + fns_in=fns_in, verbose=args.verbose, corner=args.corner) + finally: + print('Exiting after %s' % bench) + +if __name__ == '__main__': + main() From 343cd5b41386106590df35865ee029c0ae2c27b7 Mon Sep 17 00:00:00 2001 From: John McMaster Date: Fri, 24 Aug 2018 14:56:50 -0700 Subject: [PATCH 06/55] timfuz: old massage routines added back in Signed-off-by: John McMaster --- experiments/timfuz/timfuz.py | 146 +++--------- experiments/timfuz/timfuz_massage.py | 335 +++++++++++++++++++++++++++ experiments/timfuz/timfuz_rref.py | 2 +- experiments/timfuz/timfuz_solve.py | 31 ++- 4 files changed, 385 insertions(+), 129 deletions(-) create mode 100644 experiments/timfuz/timfuz_massage.py diff --git a/experiments/timfuz/timfuz.py b/experiments/timfuz/timfuz.py index 9082c25b..f0b4af9f 100644 --- a/experiments/timfuz/timfuz.py +++ b/experiments/timfuz/timfuz.py @@ -130,18 +130,18 @@ def Ab_ub_dt2d(eqns): return list(A_ubd), list(b_ub) # This significantly reduces runtime -def simplify_rows(A_ubd, b_ub): +def simplify_rows(Ads, b_ub): '''Remove duplicate equations, taking highest delay''' # dict of constants to highest delay eqns = OrderedDict() - assert len(A_ubd) == len(b_ub), (len(A_ubd), len(b_ub)) + assert len(Ads) == len(b_ub), (len(Ads), len(b_ub)) sys.stdout.write('SimpR ') sys.stdout.flush() progress = max(1, len(b_ub) / 100) zero_ds = 0 zero_es = 0 - for loopi, (b, rowd) in enumerate(zip(b_ub, A_ubd)): + for loopi, (b, rowd) in enumerate(zip(b_ub, Ads)): if loopi % progress == 0: sys.stdout.write('.') sys.stdout.flush() @@ -173,61 +173,6 @@ def simplify_rows(A_ubd, b_ub): #return A_ub_np2d(A_ub_ret), b_ub_ret return A_ubd_ret, b_ub_ret -def simplify_cols(names, A_ubd, b_ub): - ''' - Remove unsued columns - This is fairly straightforward in dictionary form now as only have to remove and adjust indices - Maybe should use the names as keys? Then this wouldn't be needed anymore as indices wouldn't need to be rebased - - XXX: shuffles the name order around. Do we care? - ''' - - # First: find unused names - # use dict since no standard ordered set - used_cols = set() - names_ret = OrderedDict() - col_old2new = OrderedDict() - rows = len(b_ub) - cols = len(names) - - sys.stdout.write('SimpC indexing ') - sys.stdout.flush() - progress = max(1, rows / 100) - for rowi, rowd in enumerate(A_ubd): - if rowi % progress == 0: - sys.stdout.write('.') - sys.stdout.flush() - for coli in rowd.keys(): - used_cols.add(coli) - - for coli in range(cols): - if coli in used_cols: - names_ret[names[coli]] = None - col_old2new[coli] = len(col_old2new) - assert len(used_cols) == len(col_old2new) - - print(' done') - - # Create a new matrix, copying important values over - #A_ub_ret = np.zeros((4, 1)) - #A_ub_ret[3][0] = 1.0 - #A_ub_ret = np.zeros((rows, len(names_ret))) - A_ub_ret = [None] * rows - sys.stdout.write('SimpC creating ') - sys.stdout.flush() - progress = max(1, rows / 100) - for rowi, rowd_old in enumerate(A_ubd): - if rowi % progress == 0: - sys.stdout.write('.') - sys.stdout.flush() - l = [(col_old2new[k], v) for k, v in rowd_old.items()] - A_ub_ret[rowi] = OrderedDict(l) - print(' done') - - print('Simplify cols: %d => %d cols' % (len(names), len(names_ret))) - nr = list(names_ret.keys()) - return nr, A_ub_ret, b_ub - def A_ubr_np2d(row): '''Convert a single row''' #d = {} @@ -239,10 +184,10 @@ def A_ubr_np2d(row): def A_ub_np2d(A_ub): '''Convert A_ub entries in numpy matrix to dictionary / sparse form''' - A_ubd = [None] * len(A_ub) + Adi = [None] * len(A_ub) for i, row in enumerate(A_ub): - A_ubd[i] = A_ubr_np2d(row) - return A_ubd + Adi[i] = A_ubr_np2d(row) + return Adi def Ar_di2np(row_di, cols): rownp = np.zeros(cols) @@ -282,66 +227,15 @@ def Ab_np2d(A_ub, b_ub_inv): b_ub = invb(b_ub_inv) return A_ubd, b_ub -def sort_equations_(A_ubd, b_ub): - # Dictionaries aren't hashable for sorting even though they are comparable - return A_ub_t2d(sorted(A_ub_d2t(A_ubd))) - -def sort_equations(A_ub, b_ub): +def sort_equations(Ads, b): # Track rows with value column # Hmm can't sort against np arrays - tosort = [(sorted(row.items()), b) for row, b in zip(A_ub, b_ub)] + tosort = [(sorted(row.items()), rowb) for row, rowb in zip(Ads, b)] #res = sorted(tosort, key=lambda e: e[0]) res = sorted(tosort) A_ubtr, b_ubr = zip(*res) return [OrderedDict(rowt) for rowt in A_ubtr], b_ubr -def lte_const(row_ref, row_cmp): - '''Return true if all constants are smaller magnitude in row_cmp than row_ref''' - #return False - for k, vc in row_cmp.items(): - vr = row_ref.get(k, None) - # Not in reference? - if vr is None: - return False - if vr < vc: - return False - return True - -def shared_const(row_ref, row_cmp): - '''Return true if more constants are equal than not equal''' - #return False - matches = 0 - unmatches = 0 - ks = list(row_ref.keys()) + list(row_cmp.keys()) - for k in ks: - vr = row_ref.get(k, None) - vc = row_cmp.get(k, None) - # At least one - if vr is not None and vc is not None: - if vc == vr: - matches += 1 - else: - unmatches += 1 - else: - unmatches += 1 - - # Will equation reduce if subtracted? - return matches > unmatches - -def reduce_const(row_ref, row_cmp): - '''Subtract cmp constants from ref''' - #ret = {} - ret = OrderedDict() - ks = set(row_ref.keys()) - ks.update(set(row_cmp.keys())) - for k in ks: - vr = row_ref.get(k, 0) - vc = row_cmp.get(k, 0) - res = vr - vc - if res: - ret[k] = res - return ret - def derive_eq_by_row(A_ubd, b_ub, verbose=0, col_lim=0, tweak=False): ''' Derive equations by subtracting whole rows @@ -510,13 +404,13 @@ def derive_eq_by_col(A_ubd, b_ub, verbose=0): print('Derive col: %d => %d rows' % (len(b_ub), len(b_ub_ret))) return A_ubd_ret, b_ub_ret -def col_dist(A_ubd, desc='of', names=[], lim=0): +def col_dist(Ads, desc='of', names=[], lim=0): '''print(frequency distribution of number of elements in a given row''' - rows = len(A_ubd) + rows = len(Ads) cols = len(names) fs = {} - for row in A_ubd: + for row in Ads: this_cols = len(row) fs[this_cols] = fs.get(this_cols, 0) + 1 @@ -912,3 +806,21 @@ def run_sub_json(Ads, sub_json, verbose=False): print("Sub: %u / %u rows changed" % (nsubs, nrows)) print("Sub: %u => %u cols" % (ncols_old, ncols_new)) + +def print_eqns(Ads, b, verbose=0, lim=3, label=''): + rows = len(b) + + print('Sample equations (%s) from %d r' % (label, rows)) + prints = 0 + for rowi, row in enumerate(Ads): + if verbose or ((rowi < 10 or rowi % max(1, (rows / 20)) == 0) and (not lim or prints < lim)): + line = ' EQN: p%u: ' % rowi + for k, v in sorted(row.items()): + line += '%u*t%s ' % (v, k) + line += '= %d' % b[rowi] + print(line) + prints += 1 + +def print_eqns_np(A_ub, b_ub, verbose=0): + Adi = A_ub_np2d(A_ub) + print_eqns(Adi, b_ub, verbose=verbose) diff --git a/experiments/timfuz/timfuz_massage.py b/experiments/timfuz/timfuz_massage.py new file mode 100644 index 00000000..add24fe1 --- /dev/null +++ b/experiments/timfuz/timfuz_massage.py @@ -0,0 +1,335 @@ +#!/usr/bin/env python3 + +from timfuz import simplify_rows, print_eqns, print_eqns_np, sort_equations, col_dist +import numpy as np +import math +import sys +import datetime +import os +import time +import copy +from collections import OrderedDict + +def lte_const(row_ref, row_cmp): + '''Return true if all constants are smaller magnitude in row_cmp than row_ref''' + #return False + for k, vc in row_cmp.items(): + vr = row_ref.get(k, None) + # Not in reference? + if vr is None: + return False + if vr < vc: + return False + return True + +def shared_const(row_ref, row_cmp): + '''Return true if more constants are equal than not equal''' + #return False + matches = 0 + unmatches = 0 + ks = list(row_ref.keys()) + list(row_cmp.keys()) + for k in ks: + vr = row_ref.get(k, None) + vc = row_cmp.get(k, None) + # At least one + if vr is not None and vc is not None: + if vc == vr: + matches += 1 + else: + unmatches += 1 + else: + unmatches += 1 + + # Will equation reduce if subtracted? + return matches > unmatches + +def reduce_const(row_ref, row_cmp): + '''Subtract cmp constants from ref''' + #ret = {} + ret = OrderedDict() + ks = set(row_ref.keys()) + ks.update(set(row_cmp.keys())) + for k in ks: + vr = row_ref.get(k, 0) + vc = row_cmp.get(k, 0) + res = vr - vc + if res: + ret[k] = res + return ret + +def derive_eq_by_row(Ads, b, verbose=0, col_lim=0, tweak=False): + ''' + Derive equations by subtracting whole rows + + Given equations like: + t0 >= 10 + t0 + t1 >= 15 + t0 + t1 + t2 >= 17 + + When I look at these, I think of a solution something like: + t0 = 10f + t1 = 5 + t2 = 2 + + However, linprog tends to choose solutions like: + t0 = 17 + t1 = 0 + t2 = 0 + + To this end, add additional constraints by finding equations that are subsets of other equations + How to do this in a reasonable time span? + Also equations are sparse, which makes this harder to compute + ''' + rows = len(Ads) + assert rows == len(b) + + # Index equations into hash maps so can lookup sparse elements quicker + assert len(Ads) == len(b) + Ads_ret = copy.copy(Ads) + assert len(Ads) == len(Ads_ret) + + #print('Finding subsets') + ltes = 0 + scs = 0 + b_ret = list(b) + sys.stdout.write('Deriving rows ') + sys.stdout.flush() + progress = max(1, rows / 100) + for row_refi, row_ref in enumerate(Ads): + if row_refi % progress == 0: + sys.stdout.write('.') + sys.stdout.flush() + if col_lim and len(row_ref) > col_lim: + continue + + for row_cmpi, row_cmp in enumerate(Ads): + if row_refi == row_cmpi or col_lim and len(row_cmp) > col_lim: + continue + # FIXME: this check was supposed to be removed + ''' + Every elements in row_cmp is in row_ref + but this doesn't mean the constants are smaller + Filter these out + ''' + # XXX: just reduce and filter out solutions with positive constants + # or actually are these also useful as is? + lte = lte_const(row_ref, row_cmp) + if lte: + ltes += 1 + sc = 0 and shared_const(row_ref, row_cmp) + if sc: + scs += 1 + if lte or sc: + if verbose: + print('') + print('match') + print(' ', row_ref, b[row_refi]) + print(' ', row_cmp, b[row_cmpi]) + # Reduce + A_new = reduce_const(row_ref, row_cmp) + # Did this actually significantly reduce the search space? + #if tweak and len(A_new) > 4 and len(A_new) > len(row_cmp) / 2: + if tweak and len(A_new) > 8 and len(A_new) > len(row_cmp) / 2: + continue + b_new = b[row_refi] - b[row_cmpi] + # Definitely possible + # Maybe filter these out if they occur? + if verbose: + print(b_new) + # Also inverted sign + if b_new <= 0: + if verbose: + print("Unexpected b") + continue + if verbose: + print('OK') + Ads_ret.append(A_new) + b_ret.append(b_new) + print(' done') + + #A_ub_ret = A_di2np(Ads2, cols=cols) + print('Derive row: %d => %d rows using %d lte, %d sc' % (len(b), len(b_ret), ltes, scs)) + assert len(Ads_ret) == len(b_ret) + return Ads_ret, b_ret + +def derive_eq_by_col(Ads, b_ub, verbose=0): + ''' + Derive equations by subtracting out all bounded constants (ie "known" columns) + ''' + rows = len(Ads) + + # Find all entries where + + # Index equations with a single constraint + knowns = {} + sys.stdout.write('Derive col indexing ') + sys.stdout.flush() + progress = max(1, rows / 100) + for row_refi, row_refd in enumerate(Ads): + if row_refi % progress == 0: + sys.stdout.write('.') + sys.stdout.flush() + if len(row_refd) == 1: + k, v = list(row_refd.items())[0] + # Reduce any constants to canonical form + if v != 1: + row_refd[k] = 1 + b_ub[row_refi] /= v + knowns[k] = b_ub[row_refi] + print(' done') + #knowns_set = set(knowns.keys()) + print('%d constrained' % len(knowns)) + + ''' + Now see what we can do + Rows that are already constrained: eliminate + TODO: maybe keep these if this would violate their constraint + Otherwise eliminate the original row and generate a simplified result now + ''' + b_ret = [] + Ads_ret = [] + sys.stdout.write('Derive col main ') + sys.stdout.flush() + progress = max(1, rows / 100) + for row_refi, row_refd in enumerate(Ads): + if row_refi % progress == 0: + sys.stdout.write('.') + sys.stdout.flush() + # Reduce as much as possible + #row_new = {} + row_new = OrderedDict() + b_new = b_ub[row_refi] + # Copy over single entries + if len(row_refd) == 1: + row_new = row_refd + else: + for k, v in row_refd.items(): + if k in knowns: + # Remove column and take out corresponding delay + b_new -= v * knowns[k] + # Copy over + else: + row_new[k] = v + + # Possibly reduced all usable contants out + if len(row_new) == 0: + continue + if b_new <= 0: + continue + + Ads_ret.append(row_new) + b_ret.append(b_new) + print(' done') + + print('Derive col: %d => %d rows' % (len(b_ub), len(b_ret))) + return Ads_ret, b_ret + +def massage_equations(Ads, b, verbose=False, derive_lim=3): + ''' + Equation pipeline + Some operations may generate new equations + Simplify after these to avoid unnecessary overhead on redundant constraints + Similarly some operations may eliminate equations, potentially eliminating a column (ie variable) + Remove these columns as necessary to speed up solving + ''' + + def debug(what): + if verbose: + print('') + print_eqns(Ads, b, verbose=verbose, label=what, lim=20) + col_dist(Ads, what) + check_feasible_d(Ads, b) + + # Try to (intelligently) subtract equations to generate additional constraints + # This helps avoid putting all delay in a single shared variable + if derive_lim: + dstart = len(b) + + # Original simple + if 0: + for di in range(derive_lim): + print + assert len(Ads) == len(b) + n_orig = len(b) + + # Meat of the operation + # Focus on easy equations for first pass to get a lot of easy derrivations + col_lim = 12 if di == 0 else None + #col_lim = None + Ads, b = derive_eq_by_row(Ads, b, col_lim=col_lim) + debug("der_rows") + # Run another simplify pass since new equations may have overlap with original + Ads, b = simplify_rows(Ads, b) + print('Derive row %d / %d: %d => %d equations' % (di + 1, derive_lim, n_orig, len(b))) + debug("der_rows simp") + + n_orig2 = len(b) + # Meat of the operation + Ads, b = derive_eq_by_col(Ads, b) + debug("der_cols") + # Run another simplify pass since new equations may have overlap with original + Ads, b = simplify_rows(Ads, b) + print('Derive col %d / %d: %d => %d equations' % (di + 1, derive_lim, n_orig2, len(b))) + debug("der_cols simp") + + if n_orig == len(b): + break + + if 1: + # Each iteration one more column is allowed until all columns are included + # (and the system is stable) + col_lim = 15 + di = 0 + while True: + print + n_orig = len(b) + + print('Loop %d, lim %d' % (di + 1, col_lim)) + # Meat of the operation + Ads, b = derive_eq_by_row(Ads, b, col_lim=col_lim, tweak=True) + debug("der_rows") + # Run another simplify pass since new equations may have overlap with original + Ads, b = simplify_rows(Ads, b) + print('Derive row: %d => %d equations' % (n_orig, len(b))) + debug("der_rows simp") + + n_orig2 = len(b) + # Meat of the operation + Ads, b = derive_eq_by_col(Ads, b) + debug("der_cols") + # Run another simplify pass since new equations may have overlap with original + Ads, b = simplify_rows(Ads, b) + print('Derive col %d: %d => %d equations' % (di + 1, n_orig2, len(b))) + debug("der_cols simp") + + # Doesn't help computation, but helps debugging + Ads, b = sort_equations(Ads, b) + debug("loop done") + col_dist(Ads, 'derive done iter %d, lim %d' % (di, col_lim), lim=12) + + rows = len(Ads) + if n_orig == len(b) and col_lim >= rows: + break + col_lim += col_lim / 5 + di += 1 + + dend = len(b) + print('') + print('Derive net: %d => %d' % (dstart, dend)) + print('') + # Was experimentting to see how much the higher order columns really help + + ''' + cols_min_post = opts.get('cols_min_post', None) + cols_max_post = opts.get('cols_max_post', None) + # Filter input based on number of columns + if cols_min_post or cols_max_post: + Ads, b = filter_ncols(Ads=Ads, b=b, cols_min=cols_min_post, cols_max=cols_max_post) + debug("filter_ncals final") + ''' + + # Helps debug readability + Ads, b = sort_equations(Ads, b) + debug("final (sorted)") + return Ads, b + diff --git a/experiments/timfuz/timfuz_rref.py b/experiments/timfuz/timfuz_rref.py index 0ac87967..31ecca0d 100644 --- a/experiments/timfuz/timfuz_rref.py +++ b/experiments/timfuz/timfuz_rref.py @@ -169,7 +169,7 @@ def comb_corr_sets(state, verbose=False): continue # a grouping - group_name = "GROUP_%u" % row_i + group_name = "GRP_%u" % row_i rowdsf = row_sym2dsf(rowsym, names) state.subs[group_name] = rowdsf diff --git a/experiments/timfuz/timfuz_solve.py b/experiments/timfuz/timfuz_solve.py index 2041d773..356476e5 100644 --- a/experiments/timfuz/timfuz_solve.py +++ b/experiments/timfuz/timfuz_solve.py @@ -2,7 +2,8 @@ # https://docs.scipy.org/doc/scipy-0.18.1/reference/generated/scipy.optimize.linprog.html from scipy.optimize import linprog -from timfuz import Benchmark, Ar_di2np, Ar_ds2t, A_di2ds, A_ds2di, simplify_rows, loadc_Ads_b, index_names, A_ds2np, load_sub, run_sub_json +from timfuz import Benchmark, Ar_di2np, Ar_ds2t, A_di2ds, A_ds2di, simplify_rows, loadc_Ads_b, index_names, A_ds2np, load_sub, run_sub_json, A_ub_np2d, print_eqns, print_eqns_np +from timfuz_massage import massage_equations import numpy as np import glob import json @@ -65,12 +66,10 @@ def check_feasible(A_ub, b_ub): print(' done') def run_corner(Anp, b, names, verbose=False, opts={}, meta={}): + # Given timing scores for above delays (-ps) assert type(Anp[0]) is np.ndarray, type(Anp[0]) assert type(b) is np.ndarray, type(b) - # Given timing scores for above delays (-ps) - names_orig = names - #check_feasible(Anp, b) ''' @@ -91,6 +90,12 @@ def run_corner(Anp, b, names, verbose=False, opts={}, meta={}): #A_ub = -1.0 * Anp A_ub = [-1.0 * x for x in Anp] + if verbose: + print('') + print('A_ub b_ub') + print_eqns_np(A_ub, b_ub, verbose=verbose) + print('') + print('Creating misc constants...') # Minimization function scalars # Treat all logic elements as equally important @@ -133,7 +138,7 @@ def run_corner(Anp, b, names, verbose=False, opts={}, meta={}): print('') # Now find smallest values for delay constants # Due to input bounds (ex: column limit), some delay elements may get eliminated entirely - print('Running linprog w/ %d r, %d c (%d name)' % (rows, cols, len(names_orig))) + print('Running linprog w/ %d r, %d c (%d name)' % (rows, cols, len(names))) res = linprog(c, A_ub=A_ub, b_ub=b_ub, bounds=bounds, callback=callback, options={"disp": True, 'maxiter': maxiter, 'bland': True, 'tol': 1e-6,}) nonzeros = 0 @@ -155,7 +160,7 @@ def run_corner(Anp, b, names, verbose=False, opts={}, meta={}): print('Writing %s' % fn_out) np.save(fn_out, (3, c, A_ub, b_ub, bounds, names, res, meta)) -def run(fns_in, corner, sub_json=None, dedup=True, verbose=False): +def run(fns_in, corner, sub_json=None, dedup=True, massage=False, verbose=False): Ads, b = loadc_Ads_b(fns_in, corner, ico=True) # Remove duplicate rows @@ -175,12 +180,15 @@ def run(fns_in, corner, sub_json=None, dedup=True, verbose=False): else: names = index_names(Ads) - if 0: + if verbose: print - print_eqns(A_ubd, b_ub, verbose=verbose) + print_eqns(Ads, b, verbose=verbose) - print - col_dist(A_ubd, 'final', names) + #print + #col_dist(A_ubd, 'final', names) + + if massage: + Ads, b = massage_equations(Ads, b) print('Converting to numpy...') names, Anp = A_ds2np(Ads) @@ -195,6 +203,7 @@ def main(): ) parser.add_argument('--verbose', action='store_true', help='') + parser.add_argument('--massage', action='store_true', help='') parser.add_argument('--sub-json', help='Group substitutions to make fully ranked') parser.add_argument('--corner', default="slow_max", help='') parser.add_argument( @@ -215,7 +224,7 @@ def main(): try: run(sub_json=sub_json, - fns_in=fns_in, verbose=args.verbose, corner=args.corner) + fns_in=fns_in, verbose=args.verbose, corner=args.corner, massage=args.massage) finally: print('Exiting after %s' % bench) From 6d78626239b209b9bcdbc2404c3813b36e9f4fe2 Mon Sep 17 00:00:00 2001 From: John McMaster Date: Fri, 24 Aug 2018 17:09:50 -0700 Subject: [PATCH 07/55] timfuz: massage experiments Signed-off-by: John McMaster --- experiments/timfuz/timfuz_massage.py | 340 +++++++++++++++++++++------ experiments/timfuz/timfuz_rref.py | 35 +-- 2 files changed, 279 insertions(+), 96 deletions(-) diff --git a/experiments/timfuz/timfuz_massage.py b/experiments/timfuz/timfuz_massage.py index add24fe1..3c7b78b8 100644 --- a/experiments/timfuz/timfuz_massage.py +++ b/experiments/timfuz/timfuz_massage.py @@ -1,6 +1,6 @@ #!/usr/bin/env python3 -from timfuz import simplify_rows, print_eqns, print_eqns_np, sort_equations, col_dist +from timfuz import simplify_rows, print_eqns, print_eqns_np, sort_equations, col_dist, index_names import numpy as np import math import sys @@ -92,9 +92,9 @@ def derive_eq_by_row(Ads, b, verbose=0, col_lim=0, tweak=False): ltes = 0 scs = 0 b_ret = list(b) - sys.stdout.write('Deriving rows ') + sys.stdout.write('Deriving rows (%u) ' % rows) sys.stdout.flush() - progress = max(1, rows / 100) + progress = int(max(1, rows / 100)) for row_refi, row_ref in enumerate(Ads): if row_refi % progress == 0: sys.stdout.write('.') @@ -152,6 +152,104 @@ def derive_eq_by_row(Ads, b, verbose=0, col_lim=0, tweak=False): assert len(Ads_ret) == len(b_ret) return Ads_ret, b_ret +def derive_eq_by_near_row(Ads, b, verbose=0, col_lim=0, tweak=False): + ''' + Derive equations by subtracting whole rows + + Given equations like: + t0 >= 10 + t0 + t1 >= 15 + t0 + t1 + t2 >= 17 + + When I look at these, I think of a solution something like: + t0 = 10f + t1 = 5 + t2 = 2 + + However, linprog tends to choose solutions like: + t0 = 17 + t1 = 0 + t2 = 0 + + To this end, add additional constraints by finding equations that are subsets of other equations + How to do this in a reasonable time span? + Also equations are sparse, which makes this harder to compute + ''' + rows = len(Ads) + assert rows == len(b) + rowdelta = int(rows / 2) + + # Index equations into hash maps so can lookup sparse elements quicker + assert len(Ads) == len(b) + Ads_ret = copy.copy(Ads) + assert len(Ads) == len(Ads_ret) + + #print('Finding subsets') + ltes = 0 + scs = 0 + b_ret = list(b) + sys.stdout.write('Deriving rows (%u) ' % rows) + sys.stdout.flush() + progress = int(max(1, rows / 100)) + for row_refi, row_ref in enumerate(Ads): + if row_refi % progress == 0: + sys.stdout.write('.') + sys.stdout.flush() + if col_lim and len(row_ref) > col_lim: + continue + + #for row_cmpi, row_cmp in enumerate(Ads): + for row_cmpi in range(max(0, row_refi - rowdelta), min(len(Ads), row_refi + rowdelta)): + if row_refi == row_cmpi or col_lim and len(row_cmp) > col_lim: + continue + row_cmp = Ads[row_cmpi] + # FIXME: this check was supposed to be removed + ''' + Every elements in row_cmp is in row_ref + but this doesn't mean the constants are smaller + Filter these out + ''' + # XXX: just reduce and filter out solutions with positive constants + # or actually are these also useful as is? + lte = lte_const(row_ref, row_cmp) + if lte: + ltes += 1 + sc = 0 and shared_const(row_ref, row_cmp) + if sc: + scs += 1 + if lte or sc: + if verbose: + print('') + print('match') + print(' ', row_ref, b[row_refi]) + print(' ', row_cmp, b[row_cmpi]) + # Reduce + A_new = reduce_const(row_ref, row_cmp) + # Did this actually significantly reduce the search space? + #if tweak and len(A_new) > 4 and len(A_new) > len(row_cmp) / 2: + #if tweak and len(A_new) > 8 and len(A_new) > len(row_cmp) / 2: + # continue + b_new = b[row_refi] - b[row_cmpi] + # Definitely possible + # Maybe filter these out if they occur? + if verbose: + print(b_new) + # Also inverted sign + if b_new <= 0: + if verbose: + print("Unexpected b") + continue + if verbose: + print('OK') + Ads_ret.append(A_new) + b_ret.append(b_new) + print(' done') + + #A_ub_ret = A_di2np(Ads2, cols=cols) + print('Derive row: %d => %d rows using %d lte, %d sc' % (len(b), len(b_ret), ltes, scs)) + assert len(Ads_ret) == len(b_ret) + return Ads_ret, b_ret + def derive_eq_by_col(Ads, b_ub, verbose=0): ''' Derive equations by subtracting out all bounded constants (ie "known" columns) @@ -224,7 +322,7 @@ def derive_eq_by_col(Ads, b_ub, verbose=0): print('Derive col: %d => %d rows' % (len(b_ub), len(b_ret))) return Ads_ret, b_ret -def massage_equations(Ads, b, verbose=False, derive_lim=3): +def massage_equations_old(Ads, b, verbose=False, derive_lim=3): ''' Equation pipeline Some operations may generate new equations @@ -242,82 +340,43 @@ def massage_equations(Ads, b, verbose=False, derive_lim=3): # Try to (intelligently) subtract equations to generate additional constraints # This helps avoid putting all delay in a single shared variable - if derive_lim: - dstart = len(b) + dstart = len(b) - # Original simple - if 0: - for di in range(derive_lim): - print - assert len(Ads) == len(b) - n_orig = len(b) + # Original simple + for di in range(derive_lim): + print + assert len(Ads) == len(b) + n_orig = len(b) - # Meat of the operation - # Focus on easy equations for first pass to get a lot of easy derrivations - col_lim = 12 if di == 0 else None - #col_lim = None - Ads, b = derive_eq_by_row(Ads, b, col_lim=col_lim) - debug("der_rows") - # Run another simplify pass since new equations may have overlap with original - Ads, b = simplify_rows(Ads, b) - print('Derive row %d / %d: %d => %d equations' % (di + 1, derive_lim, n_orig, len(b))) - debug("der_rows simp") + # Meat of the operation + # Focus on easy equations for first pass to get a lot of easy derrivations + col_lim = 12 if di == 0 else None + #col_lim = None + Ads, b = derive_eq_by_row(Ads, b, col_lim=col_lim) + debug("der_rows") + # Run another simplify pass since new equations may have overlap with original + Ads, b = simplify_rows(Ads, b) + print('Derive row %d / %d: %d => %d equations' % (di + 1, derive_lim, n_orig, len(b))) + debug("der_rows simp") - n_orig2 = len(b) - # Meat of the operation - Ads, b = derive_eq_by_col(Ads, b) - debug("der_cols") - # Run another simplify pass since new equations may have overlap with original - Ads, b = simplify_rows(Ads, b) - print('Derive col %d / %d: %d => %d equations' % (di + 1, derive_lim, n_orig2, len(b))) - debug("der_cols simp") + n_orig2 = len(b) + # Meat of the operation + Ads, b = derive_eq_by_col(Ads, b) + debug("der_cols") + # Run another simplify pass since new equations may have overlap with original + Ads, b = simplify_rows(Ads, b) + print('Derive col %d / %d: %d => %d equations' % (di + 1, derive_lim, n_orig2, len(b))) + debug("der_cols simp") - if n_orig == len(b): - break + if n_orig == len(b): + break - if 1: - # Each iteration one more column is allowed until all columns are included - # (and the system is stable) - col_lim = 15 - di = 0 - while True: - print - n_orig = len(b) - print('Loop %d, lim %d' % (di + 1, col_lim)) - # Meat of the operation - Ads, b = derive_eq_by_row(Ads, b, col_lim=col_lim, tweak=True) - debug("der_rows") - # Run another simplify pass since new equations may have overlap with original - Ads, b = simplify_rows(Ads, b) - print('Derive row: %d => %d equations' % (n_orig, len(b))) - debug("der_rows simp") - - n_orig2 = len(b) - # Meat of the operation - Ads, b = derive_eq_by_col(Ads, b) - debug("der_cols") - # Run another simplify pass since new equations may have overlap with original - Ads, b = simplify_rows(Ads, b) - print('Derive col %d: %d => %d equations' % (di + 1, n_orig2, len(b))) - debug("der_cols simp") - - # Doesn't help computation, but helps debugging - Ads, b = sort_equations(Ads, b) - debug("loop done") - col_dist(Ads, 'derive done iter %d, lim %d' % (di, col_lim), lim=12) - - rows = len(Ads) - if n_orig == len(b) and col_lim >= rows: - break - col_lim += col_lim / 5 - di += 1 - - dend = len(b) - print('') - print('Derive net: %d => %d' % (dstart, dend)) - print('') - # Was experimentting to see how much the higher order columns really help + dend = len(b) + print('') + print('Derive net: %d => %d' % (dstart, dend)) + print('') + # Was experimentting to see how much the higher order columns really help ''' cols_min_post = opts.get('cols_min_post', None) @@ -333,3 +392,136 @@ def massage_equations(Ads, b, verbose=False, derive_lim=3): debug("final (sorted)") return Ads, b +def massage_equations_old2(Ads, b, verbose=False): + ''' + Equation pipeline + Some operations may generate new equations + Simplify after these to avoid unnecessary overhead on redundant constraints + Similarly some operations may eliminate equations, potentially eliminating a column (ie variable) + Remove these columns as necessary to speed up solving + ''' + + def debug(what): + if verbose: + print('') + print_eqns(Ads, b, verbose=verbose, label=what, lim=20) + col_dist(Ads, what) + check_feasible_d(Ads, b) + + # Try to (intelligently) subtract equations to generate additional constraints + # This helps avoid putting all delay in a single shared variable + dstart = len(b) + cols = len(index_names(Ads)) + + # Each iteration one more column is allowed until all columns are included + # (and the system is stable) + col_lim = 15 + di = 0 + while True: + print + n_orig = len(b) + + print('Loop %d, lim %d' % (di + 1, col_lim)) + # Meat of the operation + Ads, b = derive_eq_by_row(Ads, b, col_lim=col_lim, tweak=True) + debug("der_rows") + # Run another simplify pass since new equations may have overlap with original + Ads, b = simplify_rows(Ads, b) + print('Derive row: %d => %d equations' % (n_orig, len(b))) + debug("der_rows simp") + + n_orig2 = len(b) + # Meat of the operation + Ads, b = derive_eq_by_col(Ads, b) + debug("der_cols") + # Run another simplify pass since new equations may have overlap with original + Ads, b = simplify_rows(Ads, b) + print('Derive col %d: %d => %d equations' % (di + 1, n_orig2, len(b))) + debug("der_cols simp") + + # Doesn't help computation, but helps debugging + Ads, b = sort_equations(Ads, b) + debug("loop done") + col_dist(Ads, 'derive done iter %d, lim %d' % (di, col_lim), lim=12) + + rows = len(Ads) + if n_orig == len(b) and col_lim >= cols: + break + col_lim += col_lim / 5 + di += 1 + + dend = len(b) + print('') + print('Derive net: %d => %d' % (dstart, dend)) + print('') + # Was experimentting to see how much the higher order columns really help + + # Helps debug readability + Ads, b = sort_equations(Ads, b) + debug("final (sorted)") + print('') + print('Massage final: %d => %d rows' % (dstart, dend)) + return Ads, b + +def massage_equations(Ads, b, verbose=False): + ''' + Equation pipeline + Some operations may generate new equations + Simplify after these to avoid unnecessary overhead on redundant constraints + Similarly some operations may eliminate equations, potentially eliminating a column (ie variable) + Remove these columns as necessary to speed up solving + ''' + + def debug(what): + if verbose: + print('') + print_eqns(Ads, b, verbose=verbose, label=what, lim=20) + col_dist(Ads, what) + check_feasible_d(Ads, b) + + # Try to (intelligently) subtract equations to generate additional constraints + # This helps avoid putting all delay in a single shared variable + dstart = len(b) + cols = len(index_names(Ads)) + + # Each iteration one more column is allowed until all columns are included + # (and the system is stable) + print + n_orig = len(b) + + # Meat of the operation + Ads, b = derive_eq_by_near_row(Ads, b, tweak=True) + debug("der_rows") + # Run another simplify pass since new equations may have overlap with original + Ads, b = simplify_rows(Ads, b) + print('Derive row: %d => %d equations' % (n_orig, len(b))) + debug("der_rows simp") + + n_orig2 = len(b) + # Meat of the operation + Ads, b = derive_eq_by_col(Ads, b) + debug("der_cols") + # Run another simplify pass since new equations may have overlap with original + Ads, b = simplify_rows(Ads, b) + print('Derive col: %d => %d equations' % (n_orig2, len(b))) + debug("der_cols simp") + + # Doesn't help computation, but helps debugging + Ads, b = sort_equations(Ads, b) + debug("loop done") + col_dist(Ads, 'derive done', lim=12) + + rows = len(Ads) + + dend = len(b) + print('') + print('Derive net: %d => %d' % (dstart, dend)) + print('') + # Was experimentting to see how much the higher order columns really help + + # Helps debug readability + Ads, b = sort_equations(Ads, b) + debug("final (sorted)") + print('') + print('Massage final: %d => %d rows' % (dstart, dend)) + return Ads, b diff --git a/experiments/timfuz/timfuz_rref.py b/experiments/timfuz/timfuz_rref.py index 31ecca0d..85122d54 100644 --- a/experiments/timfuz/timfuz_rref.py +++ b/experiments/timfuz/timfuz_rref.py @@ -5,7 +5,7 @@ Triaging tool to help understand where we need more timing coverage Finds correlated variables to help make better test cases ''' -from timfuz import Benchmark, Ar_di2np, loadc_Ads_b, index_names, A_ds2np +from timfuz import Benchmark, Ar_di2np, loadc_Ads_b, index_names, A_ds2np, simplify_rows import numpy as np import glob import math @@ -57,7 +57,9 @@ class State(object): @staticmethod def load(fn_ins): - Ads, _b = loadc_Ads_b(fn_ins, corner=None, ico=True) + Ads, b = loadc_Ads_b(fn_ins, corner=None, ico=True) + print('Simplifying') + #Ads, b = simplify_rows(Ads, b) return State(Ads) def write_state(state, fout): @@ -70,18 +72,6 @@ def write_state(state, fout): } json.dump(j, fout, sort_keys=True, indent=4, separators=(',', ': ')) -def Adi2matrix(Adi, cols): - A_ub2 = [np.zeros(cols) for _i in range(cols)] - - dst_rowi = 0 - for row in Adi: - rownp = Ar_di2np(row, cols=len(names), sf=1) - - A_ub2[dst_rowi] = np.add(A_ub2[dst_rowi], rownp) - dst_rowi = (dst_rowi + 1) % len(names) - - return A_ub2 - def Anp2matrix(Anp): ''' Original idea was to make into a square matrix @@ -119,27 +109,28 @@ def row_sym2dsf(rowsym, names): ret[name] = (int(num), int(den)) return ret -def comb_corr_sets(state, verbose=False): +def state_rref(state, verbose=False): print('Converting rows to integer keys') names, Anp = A_ds2np(state.Ads) print('np: %u rows x %u cols' % (len(Anp), len(Anp[0]))) print('Combining rows into matrix') - mnp = Anp2matrix(Anp) + #mnp = Anp2matrix(Anp) + mnp = Anp print('Matrix: %u rows x %u cols' % (len(mnp), len(mnp[0]))) print('Converting np to sympy matrix') mfrac = fracm(mnp) - print('mfrac', type(mfrac[0][0])) msym = sympy.Matrix(mfrac) - print('Making rref') - rref, pivots = msym.rref() - - if verbose: print('names') print(names) print('Matrix') sympy.pprint(msym) + print('Making rref') + rref, pivots = msym.rref() + + + if verbose: print('Pivots') sympy.pprint(pivots) print('rref') @@ -189,7 +180,7 @@ def run(fout, fn_ins, verbose=0): print('Loading data') state = State.load(fn_ins) - comb_corr_sets(state, verbose=verbose) + state_rref(state, verbose=verbose) state.print_stats() if fout: write_state(state, fout) From 9ff07f4278e9bd98252f4c6b98878b8f43c52564 Mon Sep 17 00:00:00 2001 From: John McMaster Date: Mon, 27 Aug 2018 12:37:21 -0700 Subject: [PATCH 08/55] timfuz: matrix perf test Signed-off-by: John McMaster --- experiments/timfuz/timfuz_perf.py | 99 +++++++++++++++++++++++++++++++ 1 file changed, 99 insertions(+) create mode 100644 experiments/timfuz/timfuz_perf.py diff --git a/experiments/timfuz/timfuz_perf.py b/experiments/timfuz/timfuz_perf.py new file mode 100644 index 00000000..4246f034 --- /dev/null +++ b/experiments/timfuz/timfuz_perf.py @@ -0,0 +1,99 @@ +#!/usr/bin/env python3 + +''' +Triaging tool to help understand where we need more timing coverage +Finds correlated variables to help make better test cases +''' + +from timfuz import Benchmark, Ar_di2np, loadc_Ads_b, index_names, A_ds2np, simplify_rows +import numpy as np +import glob +import math +import json +import sympy +from collections import OrderedDict +from fractions import Fraction +import random + +def fracr(r): + DELTA = 0.0001 + + for i, x in enumerate(r): + if type(x) is float: + xi = int(x) + assert abs(xi - x) < DELTA + r[i] = xi + return [Fraction(x) for x in r] + +def fracm(m): + return [fracr(r) for r in m] + +def create_matrix(rows, cols): + ret = np.zeros((rows, cols)) + for rowi in range(rows): + for coli in range(cols): + ret[rowi][coli] = random.randint(1, 10) + return ret + +def create_matrix_sparse(rows, cols): + ret = np.zeros((rows, cols)) + for rowi in range(rows): + for coli in range(cols): + if random.randint(0, 5) < 1: + ret[rowi][coli] = random.randint(1, 10) + return ret + +def run(rows=35, cols=200, verbose=False, encoding='np', sparse=False): + random.seed(0) + if sparse: + mnp = create_matrix_sparse(rows, cols) + else: + mnp = create_matrix(rows, cols) + #print(mnp[0]) + + if encoding == 'fraction': + mfrac = fracm(mnp) + msym = sympy.Matrix(mfrac) + elif encoding == 'np': + msym = sympy.Matrix(mnp) + else: + assert 0, 'bad encoding: %s' % encoding + + if verbose: + print('names') + print(names) + print('Matrix') + sympy.pprint(msym) + + print('%s matrix, %u rows x %u cols, sparse: %s' % (encoding, len(mnp), len(mnp[0]), sparse)) + bench = Benchmark() + try: + rref, pivots = msym.rref() + finally: + print('rref exiting after %s' % bench) + + if verbose: + print('Pivots') + sympy.pprint(pivots) + print('rref') + sympy.pprint(rref) + +def main(): + import argparse + + parser = argparse.ArgumentParser( + description= + 'Timing fuzzer' + ) + + parser.add_argument('--verbose', action='store_true', help='') + parser.add_argument('--sparse', action='store_true', help='') + parser.add_argument('--rows', type=int, help='') + parser.add_argument('--cols', type=int, help='') + parser.add_argument('--encoding', default='np', help='') + args = parser.parse_args() + + run(encoding=args.encoding, rows=args.rows, cols=args.cols, sparse=args.sparse, verbose=args.verbose) + +if __name__ == '__main__': + main() From b4874d2cf936f80f2f1e95cf65d853ce10fbb5cc Mon Sep 17 00:00:00 2001 From: John McMaster Date: Mon, 27 Aug 2018 13:07:30 -0700 Subject: [PATCH 09/55] timfuz: perf tests Signed-off-by: John McMaster --- experiments/timfuz/timfuz_perf.py | 36 +++++++++++++++++++++++++------ 1 file changed, 29 insertions(+), 7 deletions(-) diff --git a/experiments/timfuz/timfuz_perf.py b/experiments/timfuz/timfuz_perf.py index 4246f034..df1998a8 100644 --- a/experiments/timfuz/timfuz_perf.py +++ b/experiments/timfuz/timfuz_perf.py @@ -14,8 +14,9 @@ import sympy from collections import OrderedDict from fractions import Fraction import random +from sympy import Rational -def fracr(r): +def intr(r): DELTA = 0.0001 for i, x in enumerate(r): @@ -23,11 +24,25 @@ def fracr(r): xi = int(x) assert abs(xi - x) < DELTA r[i] = xi + +def fracr(r): + intr(r) return [Fraction(x) for x in r] def fracm(m): return [fracr(r) for r in m] +def symratr(r): + intr(r) + return [Rational(x) for x in r] + +def symratm(m): + return [symratr(r) for r in m] + +def intm(m): + [intr(r) for r in m] + return m + def create_matrix(rows, cols): ret = np.zeros((rows, cols)) for rowi in range(rows): @@ -43,7 +58,7 @@ def create_matrix_sparse(rows, cols): ret[rowi][coli] = random.randint(1, 10) return ret -def run(rows=35, cols=200, verbose=False, encoding='np', sparse=False): +def run(rows=35, cols=200, verbose=False, encoding='np', sparse=False, normalize_last=True): random.seed(0) if sparse: mnp = create_matrix_sparse(rows, cols) @@ -52,12 +67,17 @@ def run(rows=35, cols=200, verbose=False, encoding='np', sparse=False): #print(mnp[0]) if encoding == 'fraction': - mfrac = fracm(mnp) - msym = sympy.Matrix(mfrac) + msym = sympy.Matrix(fracm(mnp)) elif encoding == 'np': msym = sympy.Matrix(mnp) + elif encoding == 'sympy': + msym = sympy.Matrix(symratm(mnp)) + # this actually produces float results + elif encoding == 'int': + msym = sympy.Matrix(intm(mnp)) else: assert 0, 'bad encoding: %s' % encoding + print(type(msym[0]), str(msym[0])) if verbose: print('names') @@ -65,12 +85,13 @@ def run(rows=35, cols=200, verbose=False, encoding='np', sparse=False): print('Matrix') sympy.pprint(msym) - print('%s matrix, %u rows x %u cols, sparse: %s' % (encoding, len(mnp), len(mnp[0]), sparse)) + print('%s matrix, %u rows x %u cols, sparse: %s, normlast: %s' % (encoding, len(mnp), len(mnp[0]), sparse, normalize_last)) bench = Benchmark() try: - rref, pivots = msym.rref() + rref, pivots = msym.rref(normalize_last=normalize_last) finally: print('rref exiting after %s' % bench) + print(type(rref[0]), str(rref[0])) if verbose: print('Pivots') @@ -90,10 +111,11 @@ def main(): parser.add_argument('--sparse', action='store_true', help='') parser.add_argument('--rows', type=int, help='') parser.add_argument('--cols', type=int, help='') + parser.add_argument('--normalize-last', type=int, help='') parser.add_argument('--encoding', default='np', help='') args = parser.parse_args() - run(encoding=args.encoding, rows=args.rows, cols=args.cols, sparse=args.sparse, verbose=args.verbose) + run(encoding=args.encoding, rows=args.rows, cols=args.cols, sparse=args.sparse, normalize_last=bool(args.normalize_last), verbose=args.verbose) if __name__ == '__main__': main() From 4d15c15267a18f56d2c9a985fcfcee4703890304 Mon Sep 17 00:00:00 2001 From: John McMaster Date: Mon, 27 Aug 2018 13:16:13 -0700 Subject: [PATCH 10/55] timfuz: normalize_last=False Signed-off-by: John McMaster --- experiments/timfuz/timfuz_rref.py | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/experiments/timfuz/timfuz_rref.py b/experiments/timfuz/timfuz_rref.py index 85122d54..59016891 100644 --- a/experiments/timfuz/timfuz_rref.py +++ b/experiments/timfuz/timfuz_rref.py @@ -53,6 +53,7 @@ class State(object): print(" Cols (preprocessed): %u" % len(self.base_names)) print(" Drop names: %u" % len(self.drop_names)) print(" Cols (out): %u" % len(self.names)) + print(" Solvable vars: %u" % len(self.names & self.base_names)) assert len(self.names) >= len(self.subs) @staticmethod @@ -121,13 +122,17 @@ def state_rref(state, verbose=False): print('Converting np to sympy matrix') mfrac = fracm(mnp) msym = sympy.Matrix(mfrac) + # internal encoding has significnat performance implications + #print(type(msym[3])) + #assert type(msym[0]) is sympy.Integer + if verbose: print('names') print(names) print('Matrix') sympy.pprint(msym) print('Making rref') - rref, pivots = msym.rref() + rref, pivots = msym.rref(normalize_last=False) if verbose: From 42eccf21004fad94132becf66a68aceed66d20f1 Mon Sep 17 00:00:00 2001 From: John McMaster Date: Mon, 27 Aug 2018 14:51:41 -0700 Subject: [PATCH 11/55] timfuz: quicker matrix loading Signed-off-by: John McMaster --- experiments/timfuz/timfuz.py | 2 +- experiments/timfuz/timfuz_rref.py | 37 ++++++++++++++++++++++--------- 2 files changed, 27 insertions(+), 12 deletions(-) diff --git a/experiments/timfuz/timfuz.py b/experiments/timfuz/timfuz.py index f0b4af9f..01727a4b 100644 --- a/experiments/timfuz/timfuz.py +++ b/experiments/timfuz/timfuz.py @@ -138,7 +138,7 @@ def simplify_rows(Ads, b_ub): sys.stdout.write('SimpR ') sys.stdout.flush() - progress = max(1, len(b_ub) / 100) + progress = int(max(1, len(b_ub) / 100)) zero_ds = 0 zero_es = 0 for loopi, (b, rowd) in enumerate(zip(b_ub, Ads)): diff --git a/experiments/timfuz/timfuz_rref.py b/experiments/timfuz/timfuz_rref.py index 59016891..74771edd 100644 --- a/experiments/timfuz/timfuz_rref.py +++ b/experiments/timfuz/timfuz_rref.py @@ -27,6 +27,16 @@ def fracr(r): def fracm(m): return [fracr(r) for r in m] +def fracr_quick(r): + return [Fraction(numerator=int(x), denominator=1) for x in r] + +# the way I'm doing thing they should all be even integers +# hmm this was only slightly faster +def fracm_quick(m): + t = type(m[0][0]) + print('fracm_quick type: %s' % t) + return [fracr_quick(r) for r in m] + class State(object): def __init__(self, Ads, drop_names=[]): self.Ads = Ads @@ -57,10 +67,11 @@ class State(object): assert len(self.names) >= len(self.subs) @staticmethod - def load(fn_ins): - Ads, b = loadc_Ads_b(fn_ins, corner=None, ico=True) - print('Simplifying') - #Ads, b = simplify_rows(Ads, b) + def load(fn_ins, simplify=False, corner=None): + Ads, b = loadc_Ads_b(fn_ins, corner=corner, ico=True) + if simplify: + print('Simplifying corner %s' % (corner,)) + Ads, b = simplify_rows(Ads, b) return State(Ads) def write_state(state, fout): @@ -115,12 +126,14 @@ def state_rref(state, verbose=False): names, Anp = A_ds2np(state.Ads) print('np: %u rows x %u cols' % (len(Anp), len(Anp[0]))) - print('Combining rows into matrix') - #mnp = Anp2matrix(Anp) - mnp = Anp + if 0: + print('Combining rows into matrix') + mnp = Anp2matrix(Anp) + else: + mnp = Anp print('Matrix: %u rows x %u cols' % (len(mnp), len(mnp[0]))) print('Converting np to sympy matrix') - mfrac = fracm(mnp) + mfrac = fracm_quick(mnp) msym = sympy.Matrix(mfrac) # internal encoding has significnat performance implications #print(type(msym[3])) @@ -181,10 +194,10 @@ def state_rref(state, verbose=False): return state -def run(fout, fn_ins, verbose=0): +def run(fout, fn_ins, simplify=False, corner=None, verbose=0): print('Loading data') - state = State.load(fn_ins) + state = State.load(fn_ins, simplify=simplify, corner=corner) state_rref(state, verbose=verbose) state.print_stats() if fout: @@ -199,6 +212,8 @@ def main(): ) parser.add_argument('--verbose', action='store_true', help='') + parser.add_argument('--simplify', action='store_true', help='') + parser.add_argument('--corner', default="slow_max", help='') parser.add_argument('--speed-json', default='build_speed/speed.json', help='Provides speed index to name translation') parser.add_argument('--out', help='Output sub.json substitution result') @@ -219,7 +234,7 @@ def main(): try: run(fout=fout, - fn_ins=args.fns_in, verbose=args.verbose) + fn_ins=args.fns_in, simplify=args.simplify, corner=args.corner, verbose=args.verbose) finally: print('Exiting after %s' % bench) From 632fbffc4b0a5f6ee610433d323eeebcf0cf1e0d Mon Sep 17 00:00:00 2001 From: John McMaster Date: Mon, 27 Aug 2018 15:04:52 -0700 Subject: [PATCH 12/55] timfuz: dont open file until writing results Signed-off-by: John McMaster --- experiments/timfuz/timfuz_rref.py | 16 +++++++--------- 1 file changed, 7 insertions(+), 9 deletions(-) diff --git a/experiments/timfuz/timfuz_rref.py b/experiments/timfuz/timfuz_rref.py index 74771edd..df0d7153 100644 --- a/experiments/timfuz/timfuz_rref.py +++ b/experiments/timfuz/timfuz_rref.py @@ -134,6 +134,8 @@ def state_rref(state, verbose=False): print('Matrix: %u rows x %u cols' % (len(mnp), len(mnp[0]))) print('Converting np to sympy matrix') mfrac = fracm_quick(mnp) + # doesn't seem to change anything + #msym = sympy.MutableSparseMatrix(mfrac) msym = sympy.Matrix(mfrac) # internal encoding has significnat performance implications #print(type(msym[3])) @@ -147,7 +149,6 @@ def state_rref(state, verbose=False): print('Making rref') rref, pivots = msym.rref(normalize_last=False) - if verbose: print('Pivots') sympy.pprint(pivots) @@ -194,14 +195,15 @@ def state_rref(state, verbose=False): return state -def run(fout, fn_ins, simplify=False, corner=None, verbose=0): +def run(fnout, fn_ins, simplify=False, corner=None, verbose=0): print('Loading data') state = State.load(fn_ins, simplify=simplify, corner=corner) state_rref(state, verbose=verbose) state.print_stats() - if fout: - write_state(state, fout) + if fnout: + with open(fnout, 'w') as fout: + write_state(state, fout) def main(): import argparse @@ -224,16 +226,12 @@ def main(): args = parser.parse_args() bench = Benchmark() - fout = None - if args.out: - fout = open(args.out, 'w') - fns_in = args.fns_in if not fns_in: fns_in = glob.glob('specimen_*/timing3.csv') try: - run(fout=fout, + run(fnout=args.out, fn_ins=args.fns_in, simplify=args.simplify, corner=args.corner, verbose=args.verbose) finally: print('Exiting after %s' % bench) From d4d0af9d9fe4979e0c4891d02a7590f4b0645cd3 Mon Sep 17 00:00:00 2001 From: John McMaster Date: Tue, 28 Aug 2018 13:43:35 -0700 Subject: [PATCH 13/55] timfuz: sub2csv Signed-off-by: John McMaster --- experiments/timfuz/timfuz_sub2csv.py | 105 +++++++++++++++++++++++++++ 1 file changed, 105 insertions(+) create mode 100644 experiments/timfuz/timfuz_sub2csv.py diff --git a/experiments/timfuz/timfuz_sub2csv.py b/experiments/timfuz/timfuz_sub2csv.py new file mode 100644 index 00000000..9ea9bbbc --- /dev/null +++ b/experiments/timfuz/timfuz_sub2csv.py @@ -0,0 +1,105 @@ +#!/usr/bin/env python3 + +from timfuz import Benchmark, Ar_di2np, loadc_Ads_b, index_names, A_ds2np, simplify_rows +import numpy as np +import glob +import math +import json +import sympy +from collections import OrderedDict +from fractions import Fraction + +def mlcm(xs): + ''' + Find the LCM between elements in a group + ''' + l = xs[0] + for n in xs: + for m in xs: + lthis = lcm(n, m) + l = int(max(lthis, l)) + return ret + +def write_state(state, fout): + j = { + 'names': dict([(x, None) for x in state.names]), + 'drop_names': list(state.drop_names), + 'base_names': list(state.base_names), + 'subs': dict([(name, values) for name, values in state.subs.items()]), + 'pivots': state.pivots, + } + json.dump(j, fout, sort_keys=True, indent=4, separators=(',', ': ')) + +def gen_rows(fn_ins): + for fn_in in fn_ins: + try: + print('Loading %s' % fn_in) + j = json.load(open(fn_in, 'r')) + + group0 = list(j['subs'].values())[0] + value0 = list(group0.values())[0] + if type(value0) is float: + print("WARNING: skipping old format JSON") + continue + else: + print("Value OK") + + for sub in j['subs'].values(): + row_ds = {} + # TODO: convert to gcd + # den may not always be 0 + # lazy solution...just multiply out all the fractions + n = 1 + for _var, (_num, den) in sub.items(): + n *= den + + for var, (num, den) in sub.items(): + num2 = n * num + assert num2 % den == 0 + row_ds[var] = num2 / den + yield row_ds + except: + print("Error processing %s" % fn_in) + raise + +def run(fnout, fn_ins, verbose=0): + print('Loading data') + + with open(fnout, 'w') as fout: + fout.write('ico,fast_max fast_min slow_max slow_min,rows...\n') + for row_ds in gen_rows(fn_ins): + ico = '1' + out_b = [1e9, 1e9, 1e9, 1e9] + items = [ico, ' '.join(['%u' % x for x in out_b])] + + for k, v in sorted(row_ds.items()): + items.append('%i %s' % (v, k)) + fout.write(','.join(items) + '\n') + +def main(): + import argparse + + parser = argparse.ArgumentParser( + description= + 'Convert substitution groups into .csv to allow incremental rref results' + ) + + parser.add_argument('--verbose', action='store_true', help='') + parser.add_argument('--out', help='Output csv') + parser.add_argument( + 'fns_in', + nargs='*', + help='sub.json input files') + args = parser.parse_args() + bench = Benchmark() + + fns_in = args.fns_in + + try: + run(fnout=args.out, + fn_ins=args.fns_in, verbose=args.verbose) + finally: + print('Exiting after %s' % bench) + +if __name__ == '__main__': + main() From 41cf8469b540eb2e70d2ba156f2076c2711932b4 Mon Sep 17 00:00:00 2001 From: John McMaster Date: Wed, 29 Aug 2018 13:13:46 -0700 Subject: [PATCH 14/55] timfuz: least square tests Signed-off-by: John McMaster --- database/Makefile | 10 - database/Makefile.database | 15 - .../{timfuz_checksub.py => checksub.py} | 0 .../{timfuz_corner_csv.py => corner_csv.py} | 0 .../timfuz/{timfuz_perf.py => perf_test.py} | 0 experiments/timfuz/solve_leastsq.py | 272 ++++++++++++++++++ experiments/timfuz/solve_linprog.py | 150 ++++++++++ .../timfuz/{timfuz_sub2csv.py => sub2csv.py} | 0 experiments/timfuz/timfuz.py | 15 +- experiments/timfuz/timfuz_massage.py | 10 +- experiments/timfuz/timfuz_solve.py | 167 ++--------- 11 files changed, 470 insertions(+), 169 deletions(-) delete mode 100644 database/Makefile delete mode 100644 database/Makefile.database rename experiments/timfuz/{timfuz_checksub.py => checksub.py} (100%) rename experiments/timfuz/{timfuz_corner_csv.py => corner_csv.py} (100%) rename experiments/timfuz/{timfuz_perf.py => perf_test.py} (100%) create mode 100644 experiments/timfuz/solve_leastsq.py create mode 100644 experiments/timfuz/solve_linprog.py rename experiments/timfuz/{timfuz_sub2csv.py => sub2csv.py} (100%) diff --git a/database/Makefile b/database/Makefile deleted file mode 100644 index 99fab407..00000000 --- a/database/Makefile +++ /dev/null @@ -1,10 +0,0 @@ -.NOTPARALLEL: - -SUBDIRS := $(patsubst %/,%, $(wildcard */)) - -.PHONY: $(SUBDIRS) - -$(MAKECMDGOALS): $(SUBDIRS) - -$(SUBDIRS): - $(MAKE) -C $@ -f ../Makefile.database $(MAKECMDGOALS) diff --git a/database/Makefile.database b/database/Makefile.database deleted file mode 100644 index 2e407968..00000000 --- a/database/Makefile.database +++ /dev/null @@ -1,15 +0,0 @@ -.PHONY: all clean - -all: tilegrid.json - -# Small dance to say that there is a single recipe that is run once to generate -# multiple files. -tileconn.json tilegrid.json: fuzzers -.INTERMEDIATE: fuzzers -fuzzers: SHELL:=/bin/bash -fuzzers: settings.sh - source settings.sh && $(MAKE) -C ../../fuzzers all - -clean: - rm -f *.db tileconn.json tilegrid.json *.yaml - rm -rf html diff --git a/experiments/timfuz/timfuz_checksub.py b/experiments/timfuz/checksub.py similarity index 100% rename from experiments/timfuz/timfuz_checksub.py rename to experiments/timfuz/checksub.py diff --git a/experiments/timfuz/timfuz_corner_csv.py b/experiments/timfuz/corner_csv.py similarity index 100% rename from experiments/timfuz/timfuz_corner_csv.py rename to experiments/timfuz/corner_csv.py diff --git a/experiments/timfuz/timfuz_perf.py b/experiments/timfuz/perf_test.py similarity index 100% rename from experiments/timfuz/timfuz_perf.py rename to experiments/timfuz/perf_test.py diff --git a/experiments/timfuz/solve_leastsq.py b/experiments/timfuz/solve_leastsq.py new file mode 100644 index 00000000..b00c58ad --- /dev/null +++ b/experiments/timfuz/solve_leastsq.py @@ -0,0 +1,272 @@ +#!/usr/bin/env python3 + +# https://docs.scipy.org/doc/scipy-0.18.1/reference/generated/scipy.optimize.linprog.html +from scipy.optimize import linprog +from timfuz import Benchmark, Ar_di2np, Ar_ds2t, A_di2ds, A_ds2di, simplify_rows, loadc_Ads_b, index_names, A_ds2np, load_sub, run_sub_json, A_ub_np2d, print_eqns, print_eqns_np +from timfuz_massage import massage_equations +import numpy as np +import glob +import json +import math +from collections import OrderedDict +from fractions import Fraction +import sys +import datetime +import os +import time +import timfuz_solve +import numpy +import scipy.optimize as optimize +from scipy.optimize import least_squares + +def run_corner(Anp, b, names, verbose=False, opts={}, meta={}, outfn=None): + # Given timing scores for above delays (-ps) + assert type(Anp[0]) is np.ndarray, type(Anp[0]) + assert type(b) is np.ndarray, type(b) + + #check_feasible(Anp, b) + + ''' + Be mindful of signs + Have something like + timing1/timing 2 are constants + delay1 + delay2 + delay4 >= timing1 + delay2 + delay3 >= timing2 + + But need it in compliant form: + -delay1 + -delay2 + -delay4 <= -timing1 + -delay2 + -delay3 <= -timing2 + ''' + rows = len(Anp) + cols = len(Anp[0]) + + print('Unique delay elements: %d' % len(names)) + print('Input paths') + print(' # timing scores: %d' % len(b)) + print(' Rows: %d' % rows) + + ''' + You must have at least as many things to optimize as variables + That is, the system must be plausibly constrained for it to attempt a solve + If not, you'll get a message like + TypeError: Improper input: N=3 must not exceed M=2 + ''' + if rows < cols: + raise Exception("rows must be >= cols") + + def func(params, xdata, ydata): + return (ydata - np.dot(xdata, params)) + + print('') + # Now find smallest values for delay constants + # Due to input bounds (ex: column limit), some delay elements may get eliminated entirely + print('Running leastsq w/ %d r, %d c (%d name)' % (rows, cols, len(names))) + x0 = np.array([0.0 for _x in range(cols)]) + x, cov_x, infodict, mesg, ier = optimize.leastsq(func, x0, args=(Anp, b), full_output=True) + print('x', x) + print('cov_x', cov_x) + print('infodictx', infodict) + print('mesg', mesg) + print('ier', ier) + print(' Solution found: %s' % (ier in (1, 2, 3, 4))) + +def main(): + import argparse + + parser = argparse.ArgumentParser( + description= + 'Solve timing solution' + ) + + parser.add_argument('--verbose', action='store_true', help='') + parser.add_argument('--massage', action='store_true', help='') + parser.add_argument('--sub-json', help='Group substitutions to make fully ranked') + parser.add_argument('--corner', default="slow_max", help='') + parser.add_argument('--out', default=None, help='output timing delay .json') + parser.add_argument( + 'fns_in', + nargs='*', + help='timing3.csv input files') + args = parser.parse_args() + # Store options in dict to ease passing through functions + bench = Benchmark() + + fns_in = args.fns_in + if not fns_in: + fns_in = glob.glob('specimen_*/timing3.csv') + + sub_json = None + if args.sub_json: + sub_json = load_sub(args.sub_json) + + try: + timfuz_solve.run(run_corner=run_corner, sub_json=sub_json, + fns_in=fns_in, corner=args.corner, massage=args.massage, outfn=args.out, verbose=args.verbose) + finally: + print('Exiting after %s' % bench) + +# optimize.curve_fit wrapper +def test1(): + # Generate artificial data = straight line with a=0 and b=1 + # plus some noise. + xdata = np.array([0.0,1.0,2.0,3.0,4.0,5.0]) + ydata = np.array([0.1,0.9,2.2,2.8,3.9,5.1]) + # Initial guess. + x0 = np.array([0.0, 0.0, 0.0]) + sigma = np.array([1.0,1.0,1.0,1.0,1.0,1.0]) + + def func(x, a, b, c): + return a + b*x + c*x*x + + print(optimize.curve_fit(func, xdata, ydata, x0, sigma)) + +# optimize.leastsq +def test2(): + + # The function whose square is to be minimised. + # params ... list of parameters tuned to minimise function. + # Further arguments: + # xdata ... design matrix for a linear model. + # ydata ... observed data. + def func(params, xdata, ydata): + return (ydata - np.dot(xdata, params)) + + x0 = np.array([0.0, 0.0]) + + ''' + a = 10 + a + b = 100 + ''' + xdata = np.array([[1, 0], + [1, 1]]) + ydata = np.array([10, 100]) + + ''' + x [ 10. 90.] + cov_x [[ 1. -1.] + [-1. 2.]] + infodictx {'ipvt': array([1, 2], dtype=int32), 'qtf': array([ 1.69649118e-10, 1.38802454e-10]), 'nfev': 7, 'fjac': array([[ 1.41421356, 0.70710678], + [ 0.70710678, 0.70710678]]), 'fvec': array([ 0., 0.])} + mesg The relative error between two consecutive iterates is at most 0.000000 + ier 2 + Solution found: True + ''' + x, cov_x, infodict, mesg, ier = optimize.leastsq(func, x0, args=(xdata, ydata), full_output=True) + print('x', x) + print('cov_x', cov_x) + print('infodictx', infodict) + print('mesg', mesg) + print('ier', ier) + print(' Solution found: %s' % (ier in (1, 2, 3, 4))) + +# non-square +def test3(): + def func(params, xdata, ydata): + return (ydata - np.dot(xdata, params)) + + x0 = np.array([0.0, 0.0, 0.0]) + + ''' + a = 10 + a + b + c = 100 + ''' + xdata = np.array([[1, 0, 0], + [1, 1, 1], + [0, 0, 0]]) + ydata = np.array([10, 100, 0]) + + x, cov_x, infodict, mesg, ier = optimize.leastsq(func, x0, args=(xdata, ydata), full_output=True) + print('x', x) + print('cov_x', cov_x) + print('infodictx', infodict) + print('mesg', mesg) + print('ier', ier) + print(' Solution found: %s' % (ier in (1, 2, 3, 4))) + +def test4(): + def func(params): + print('') + print('iter') + print(params) + print(xdata) + print(ydata) + return (ydata - np.dot(xdata, params)) + + x0 = np.array([0.0, 0.0, 0.0]) + + ''' + You must have at least as many things to optimize as variables + That is, the system must be plausibly constrained for it to attempt a solve + If not, you'll get a message like + TypeError: Improper input: N=3 must not exceed M=2 + ''' + xdata = np.array([[1, 0, 0], + [1, 1, 1], + [1, 0, 1], + [0, 1, 1], + ]) + ydata = np.array([10, 100, 120, 140]) + + x, cov_x, infodict, mesg, ier = optimize.leastsq(func, x0, full_output=True) + print('x', x) + print('cov_x', cov_x) + print('infodictx', infodict) + print('mesg', mesg) + print('ier', ier) + print(' Solution found: %s' % (ier in (1, 2, 3, 4))) + +def test5(): + from scipy.optimize import least_squares + + def fun_rosenbrock(x): + return np.array([10 * (x[1] - x[0]**2), (1 - x[0])]) + x0_rosenbrock = np.array([2, 2]) + res = least_squares(fun_rosenbrock, x0_rosenbrock) + ''' + active_mask: array([ 0., 0.]) + cost: 9.8669242910846867e-30 + fun: array([ 4.44089210e-15, 1.11022302e-16]) + grad: array([ -8.89288649e-14, 4.44089210e-14]) + jac: array([[-20.00000015, 10. ], + [ -1. , 0. ]]) + message: '`gtol` termination condition is satisfied.' + nfev: 3 + njev: 3 + optimality: 8.8928864934219529e-14 + status: 1 + success: True + x: array([ 1., 1.]) + ''' + print(res) + +def test6(): + from scipy.optimize import least_squares + + def func(params): + return (ydata - np.dot(xdata, params)) + + x0 = np.array([0.0, 0.0, 0.0]) + + ''' + a = 10 + a + b + c = 100 + ''' + xdata = np.array([[1, 0, 0], + [1, 1, 1], + [0, 0, 0]]) + ydata = np.array([10, 100, 0]) + + res = least_squares(func, x0) + ''' + ''' + print(res) + +if __name__ == '__main__': + #main() + #test1() + #test2() + #test3() + #test4() + #test5() + test6() + diff --git a/experiments/timfuz/solve_linprog.py b/experiments/timfuz/solve_linprog.py new file mode 100644 index 00000000..2eef5e75 --- /dev/null +++ b/experiments/timfuz/solve_linprog.py @@ -0,0 +1,150 @@ +#!/usr/bin/env python3 + +# https://docs.scipy.org/doc/scipy-0.18.1/reference/generated/scipy.optimize.linprog.html +from scipy.optimize import linprog +from timfuz import Benchmark, Ar_di2np, Ar_ds2t, A_di2ds, A_ds2di, simplify_rows, loadc_Ads_b, index_names, A_ds2np, load_sub, run_sub_json, A_ub_np2d, print_eqns, print_eqns_np +from timfuz_massage import massage_equations +import numpy as np +import glob +import json +import math +from collections import OrderedDict +from fractions import Fraction +import sys +import datetime +import os +import time +import timfuz_solve + +def run_corner(Anp, b, names, verbose=False, opts={}, meta={}, outfn=None): + # Given timing scores for above delays (-ps) + assert type(Anp[0]) is np.ndarray, type(Anp[0]) + assert type(b) is np.ndarray, type(b) + + #check_feasible(Anp, b) + + ''' + Be mindful of signs + Have something like + timing1/timing 2 are constants + delay1 + delay2 + delay4 >= timing1 + delay2 + delay3 >= timing2 + + But need it in compliant form: + -delay1 + -delay2 + -delay4 <= -timing1 + -delay2 + -delay3 <= -timing2 + ''' + rows = len(Anp) + cols = len(Anp[0]) + print('Scaling to solution form...') + b_ub = -1.0 * b + #A_ub = -1.0 * Anp + A_ub = [-1.0 * x for x in Anp] + + if verbose: + print('') + print('A_ub b_ub') + print_eqns_np(A_ub, b_ub, verbose=verbose) + print('') + + print('Creating misc constants...') + # Minimization function scalars + # Treat all logic elements as equally important + c = [1 for _i in range(len(names))] + # Delays cannot be negative + # (this is also the default constraint) + #bounds = [(0, None) for _i in range(len(names))] + # Also you can provide one to apply to all + bounds = (0, None) + + # Seems to take about rows + 3 iterations + # Give some margin + #maxiter = int(1.1 * rows + 100) + #maxiter = max(1000, int(1000 * rows + 1000)) + # Most of the time I want it to just keep going unless I ^C it + maxiter = 1000000 + + if verbose >= 2: + print('b_ub', b) + print('Unique delay elements: %d' % len(names)) + print(' # delay minimization weights: %d' % len(c)) + print(' # delay constraints: %d' % len(bounds)) + print('Input paths') + print(' # timing scores: %d' % len(b)) + print(' Rows: %d' % rows) + + tlast = [time.time()] + iters = [0] + printn = [0] + def callback(xk, **kwargs): + iters[0] = kwargs['nit'] + if time.time() - tlast[0] > 1.0: + sys.stdout.write('I:%d ' % kwargs['nit']) + tlast[0] = time.time() + printn[0] += 1 + if printn[0] % 10 == 0: + sys.stdout.write('\n') + sys.stdout.flush() + + print('') + # Now find smallest values for delay constants + # Due to input bounds (ex: column limit), some delay elements may get eliminated entirely + print('Running linprog w/ %d r, %d c (%d name)' % (rows, cols, len(names))) + res = linprog(c, A_ub=A_ub, b_ub=b_ub, bounds=bounds, callback=callback, + options={"disp": True, 'maxiter': maxiter, 'bland': True, 'tol': 1e-6,}) + nonzeros = 0 + print('Ran %d iters' % iters[0]) + if res.success: + print('Result sample (%d elements)' % (len(res.x))) + plim = 3 + for xi, (name, x) in enumerate(zip(names, res.x)): + nonzero = x >= 0.001 + if nonzero: + nonzeros += 1 + #if nonzero and (verbose >= 1 or xi > 30): + if nonzero and (verbose or ((nonzeros < 100 or nonzeros % 20 == 0) and nonzeros <= plim)): + print(' % 4u % -80s % 10.1f' % (xi, name, x)) + print('Delay on %d / %d' % (nonzeros, len(res.x))) + if not os.path.exists('res'): + os.mkdir('res') + fn_out = 'res/%s' % datetime.datetime.utcnow().isoformat().split('.')[0] + print('Writing %s' % fn_out) + np.save(fn_out, (3, c, A_ub, b_ub, bounds, names, res, meta)) + +def main(): + import argparse + + parser = argparse.ArgumentParser( + description= + 'Solve timing solution' + ) + + parser.add_argument('--verbose', action='store_true', help='') + parser.add_argument('--massage', action='store_true', help='') + parser.add_argument('--sub-json', help='Group substitutions to make fully ranked') + parser.add_argument('--corner', default="slow_max", help='') + parser.add_argument('--out', default=None, help='output timing delay .json') + parser.add_argument( + 'fns_in', + nargs='*', + help='timing3.csv input files') + args = parser.parse_args() + # Store options in dict to ease passing through functions + bench = Benchmark() + + fns_in = args.fns_in + if not fns_in: + fns_in = glob.glob('specimen_*/timing3.csv') + + sub_json = None + if args.sub_json: + sub_json = load_sub(args.sub_json) + + try: + timfuz_solve.run(run_corner=run_corner, sub_json=sub_json, + fns_in=fns_in, corner=args.corner, massage=args.massage, outfn=args.out, verbose=args.verbose) + finally: + print('Exiting after %s' % bench) + +if __name__ == '__main__': + main() diff --git a/experiments/timfuz/timfuz_sub2csv.py b/experiments/timfuz/sub2csv.py similarity index 100% rename from experiments/timfuz/timfuz_sub2csv.py rename to experiments/timfuz/sub2csv.py diff --git a/experiments/timfuz/timfuz.py b/experiments/timfuz/timfuz.py index 01727a4b..d2bcd300 100644 --- a/experiments/timfuz/timfuz.py +++ b/experiments/timfuz/timfuz.py @@ -718,6 +718,9 @@ def load_sub(fn): return j def row_sub_syms(row, sub_json, verbose=False): + zero = Fraction(0) + zero = 0 + if 0 and verbose: print("") print(row.items()) @@ -751,8 +754,9 @@ def row_sub_syms(row, sub_json, verbose=False): if verbose: print('pivot %i %s' % (n, pivot)) for subk, subv in sorted(sub_json['subs'][group].items()): - oldn = row.get(subk, Fraction(0)) - rown = oldn - n * subv + oldn = row.get(subk, zero) + rown = -n * subv + rown += type(rown)(oldn) if verbose: print(" %s: %d => %d" % (subk, oldn, rown)) if rown == 0: @@ -768,8 +772,9 @@ def row_sub_syms(row, sub_json, verbose=False): # after all constants are applied, the row should end up positive? # numeric precision issues previously limited this # Ex: AssertionError: ('PIP_BSW_2ELSING0', -2.220446049250313e-16) - for k, v in sorted(row.items()): - assert v > 0, (k, v) + if 0: + for k, v in sorted(row.items()): + assert v > 0, (k, v) def run_sub_json(Ads, sub_json, verbose=False): nrows = 0 @@ -805,7 +810,7 @@ def run_sub_json(Ads, sub_json, verbose=False): print('') print("Sub: %u / %u rows changed" % (nsubs, nrows)) - print("Sub: %u => %u cols" % (ncols_old, ncols_new)) + print("Sub: %u => %u non-zero row cols" % (ncols_old, ncols_new)) def print_eqns(Ads, b, verbose=0, lim=3, label=''): rows = len(b) diff --git a/experiments/timfuz/timfuz_massage.py b/experiments/timfuz/timfuz_massage.py index 3c7b78b8..046886ce 100644 --- a/experiments/timfuz/timfuz_massage.py +++ b/experiments/timfuz/timfuz_massage.py @@ -322,6 +322,7 @@ def derive_eq_by_col(Ads, b_ub, verbose=0): print('Derive col: %d => %d rows' % (len(b_ub), len(b_ret))) return Ads_ret, b_ret +# keep derriving until solution is (probably) stable def massage_equations_old(Ads, b, verbose=False, derive_lim=3): ''' Equation pipeline @@ -392,7 +393,8 @@ def massage_equations_old(Ads, b, verbose=False, derive_lim=3): debug("final (sorted)") return Ads, b -def massage_equations_old2(Ads, b, verbose=False): +# iteratively increasing column limit until all columns are added +def massage_equations_inc_col_lim(Ads, b, verbose=False): ''' Equation pipeline Some operations may generate new equations @@ -463,7 +465,9 @@ def massage_equations_old2(Ads, b, verbose=False): print('Massage final: %d => %d rows' % (dstart, dend)) return Ads, b -def massage_equations(Ads, b, verbose=False): +# only derive based on nearby equations +# theory is they will be the best to diff +def massage_equations_near(Ads, b, verbose=False): ''' Equation pipeline Some operations may generate new equations @@ -525,3 +529,5 @@ def massage_equations(Ads, b, verbose=False): print('') print('Massage final: %d => %d rows' % (dstart, dend)) return Ads, b + +massage_equations = massage_equations_inc_col_lim diff --git a/experiments/timfuz/timfuz_solve.py b/experiments/timfuz/timfuz_solve.py index 356476e5..a2e6526a 100644 --- a/experiments/timfuz/timfuz_solve.py +++ b/experiments/timfuz/timfuz_solve.py @@ -32,9 +32,12 @@ def check_feasible(A_ub, b_ub): progress = max(1, rows / 100) - # Chose a high arbitrary value for x - # Delays should be in order of ns, so a 10 ns delay should be way above what anything should be - xs = [10e3 for _i in range(cols)] + ''' + Delays should be in order of ns, so a 10 ns delay should be way above what anything should be + Series can have several hundred delay elements + Max delay in ballpark + ''' + xs = [1e9 for _i in range(cols)] # FIXME: use the correct np function to do this for me # Verify bounds @@ -65,102 +68,14 @@ def check_feasible(A_ub, b_ub): raise Exception("Bad ") print(' done') -def run_corner(Anp, b, names, verbose=False, opts={}, meta={}): - # Given timing scores for above delays (-ps) - assert type(Anp[0]) is np.ndarray, type(Anp[0]) - assert type(b) is np.ndarray, type(b) +def instances(Ads): + ret = 0 + for row_ds in Ads: + ret += sum(row_ds.values()) + return ret - #check_feasible(Anp, b) - - ''' - Be mindful of signs - Have something like - timing1/timing 2 are constants - delay1 + delay2 + delay4 >= timing1 - delay2 + delay3 >= timing2 - - But need it in compliant form: - -delay1 + -delay2 + -delay4 <= -timing1 - -delay2 + -delay3 <= -timing2 - ''' - rows = len(Anp) - cols = len(Anp[0]) - print('Scaling to solution form...') - b_ub = -1.0 * b - #A_ub = -1.0 * Anp - A_ub = [-1.0 * x for x in Anp] - - if verbose: - print('') - print('A_ub b_ub') - print_eqns_np(A_ub, b_ub, verbose=verbose) - print('') - - print('Creating misc constants...') - # Minimization function scalars - # Treat all logic elements as equally important - c = [1 for _i in range(len(names))] - # Delays cannot be negative - # (this is also the default constraint) - #bounds = [(0, None) for _i in range(len(names))] - # Also you can provide one to apply to all - bounds = (0, None) - - # Seems to take about rows + 3 iterations - # Give some margin - #maxiter = int(1.1 * rows + 100) - #maxiter = max(1000, int(1000 * rows + 1000)) - # Most of the time I want it to just keep going unless I ^C it - maxiter = 1000000 - - if verbose >= 2: - print('b_ub', b) - print('Unique delay elements: %d' % len(names)) - print(' # delay minimization weights: %d' % len(c)) - print(' # delay constraints: %d' % len(bounds)) - print('Input paths') - print(' # timing scores: %d' % len(b)) - print(' Rows: %d' % rows) - - tlast = [time.time()] - iters = [0] - printn = [0] - def callback(xk, **kwargs): - iters[0] = kwargs['nit'] - if time.time() - tlast[0] > 1.0: - sys.stdout.write('I:%d ' % kwargs['nit']) - tlast[0] = time.time() - printn[0] += 1 - if printn[0] % 10 == 0: - sys.stdout.write('\n') - sys.stdout.flush() - - print('') - # Now find smallest values for delay constants - # Due to input bounds (ex: column limit), some delay elements may get eliminated entirely - print('Running linprog w/ %d r, %d c (%d name)' % (rows, cols, len(names))) - res = linprog(c, A_ub=A_ub, b_ub=b_ub, bounds=bounds, callback=callback, - options={"disp": True, 'maxiter': maxiter, 'bland': True, 'tol': 1e-6,}) - nonzeros = 0 - print('Ran %d iters' % iters[0]) - if res.success: - print('Result sample (%d elements)' % (len(res.x))) - plim = 3 - for xi, (name, x) in enumerate(zip(names, res.x)): - nonzero = x >= 0.001 - if nonzero: - nonzeros += 1 - #if nonzero and (verbose >= 1 or xi > 30): - if nonzero and (verbose or ((nonzeros < 100 or nonzeros % 20 == 0) and nonzeros <= plim)): - print(' % 4u % -80s % 10.1f' % (xi, name, x)) - print('Delay on %d / %d' % (nonzeros, len(res.x))) - if not os.path.exists('res'): - os.mkdir('res') - fn_out = 'res/%s' % datetime.datetime.utcnow().isoformat().split('.')[0] - print('Writing %s' % fn_out) - np.save(fn_out, (3, c, A_ub, b_ub, bounds, names, res, meta)) - -def run(fns_in, corner, sub_json=None, dedup=True, massage=False, verbose=False): +def run(fns_in, corner, run_corner, sub_json=None, dedup=True, massage=False, outfn=None, verbose=False, **kwargs): + print('Loading data') Ads, b = loadc_Ads_b(fns_in, corner, ico=True) # Remove duplicate rows @@ -168,15 +83,19 @@ def run(fns_in, corner, sub_json=None, dedup=True, massage=False, verbose=False) # maybe better to just add them into the matrix directly if dedup: oldn = len(Ads) + iold = instances(Ads) Ads, b = simplify_rows(Ads, b) print('Simplify %u => %u rows' % (oldn, len(Ads))) - + print('Simplify %u => %u instances' % (iold, instances(Ads))) + if sub_json: print('Sub: %u rows' % len(Ads)) + iold = instances(Ads) names_old = index_names(Ads) run_sub_json(Ads, sub_json, verbose=verbose) names = index_names(Ads) print("Sub: %u => %u names" % (len(names_old), len(names))) + print('Sub: %u => %u instances' % (iold, instances(Ads))) else: names = index_names(Ads) @@ -187,46 +106,20 @@ def run(fns_in, corner, sub_json=None, dedup=True, massage=False, verbose=False) #print #col_dist(A_ubd, 'final', names) + ''' + Given: + a >= 10 + a + b >= 100 + A valid solution is: + a = 100 + However, a better solution is something like + a = 10 + b = 90 + This creates derived constraints to provide more realistic results + ''' if massage: Ads, b = massage_equations(Ads, b) print('Converting to numpy...') names, Anp = A_ds2np(Ads) - run_corner(Anp, np.asarray(b), names, verbose=verbose) - -def main(): - import argparse - - parser = argparse.ArgumentParser( - description= - 'Solve timing solution' - ) - - parser.add_argument('--verbose', action='store_true', help='') - parser.add_argument('--massage', action='store_true', help='') - parser.add_argument('--sub-json', help='Group substitutions to make fully ranked') - parser.add_argument('--corner', default="slow_max", help='') - parser.add_argument( - 'fns_in', - nargs='*', - help='timing3.csv input files') - args = parser.parse_args() - # Store options in dict to ease passing through functions - bench = Benchmark() - - fns_in = args.fns_in - if not fns_in: - fns_in = glob.glob('specimen_*/timing3.csv') - - sub_json = None - if args.sub_json: - sub_json = load_sub(args.sub_json) - - try: - run(sub_json=sub_json, - fns_in=fns_in, verbose=args.verbose, corner=args.corner, massage=args.massage) - finally: - print('Exiting after %s' % bench) - -if __name__ == '__main__': - main() + run_corner(Anp, np.asarray(b), names, outfn=outfn, verbose=verbose, **kwargs) From 9e63d9ee55ba5c26664f41f2fbfb419c5bd78fb3 Mon Sep 17 00:00:00 2001 From: John McMaster Date: Wed, 29 Aug 2018 13:31:53 -0700 Subject: [PATCH 15/55] timfuz: leastsq reasonable delays Signed-off-by: John McMaster --- experiments/timfuz/solve_leastsq.py | 47 ++++++++++++++++++++--------- 1 file changed, 33 insertions(+), 14 deletions(-) diff --git a/experiments/timfuz/solve_leastsq.py b/experiments/timfuz/solve_leastsq.py index b00c58ad..1fc2f8f9 100644 --- a/experiments/timfuz/solve_leastsq.py +++ b/experiments/timfuz/solve_leastsq.py @@ -19,6 +19,17 @@ import numpy import scipy.optimize as optimize from scipy.optimize import least_squares +def mkestimate(Anp, b): + cols = len(Anp[0]) + x0 = np.array([1e3 for _x in range(cols)]) + for row_np, row_b in zip(Anp, b): + for coli, val in enumerate(row_np): + if val: + ub = row_b / val + if ub >= 0: + x0[coli] = min(x0[coli], ub) + return x0 + def run_corner(Anp, b, names, verbose=False, opts={}, meta={}, outfn=None): # Given timing scores for above delays (-ps) assert type(Anp[0]) is np.ndarray, type(Anp[0]) @@ -54,21 +65,31 @@ def run_corner(Anp, b, names, verbose=False, opts={}, meta={}, outfn=None): if rows < cols: raise Exception("rows must be >= cols") - def func(params, xdata, ydata): - return (ydata - np.dot(xdata, params)) + def func(params): + return (b - np.dot(Anp, params)) print('') # Now find smallest values for delay constants # Due to input bounds (ex: column limit), some delay elements may get eliminated entirely print('Running leastsq w/ %d r, %d c (%d name)' % (rows, cols, len(names))) - x0 = np.array([0.0 for _x in range(cols)]) - x, cov_x, infodict, mesg, ier = optimize.leastsq(func, x0, args=(Anp, b), full_output=True) - print('x', x) - print('cov_x', cov_x) - print('infodictx', infodict) - print('mesg', mesg) - print('ier', ier) - print(' Solution found: %s' % (ier in (1, 2, 3, 4))) + # starting at 0 completes quicky, but gives a solution near 0 with terrible results + # maybe give a starting estimate to the smallest net delay with the indicated variable + #x0 = np.array([1000.0 for _x in range(cols)]) + x0 = mkestimate(Anp, b) + #print('x0', x0) + if 0: + x, cov_x, infodict, mesg, ier = optimize.leastsq(func, x0, args=(), full_output=True) + print('x', x) + print('cov_x', cov_x) + print('infodictx', infodict) + print('mesg', mesg) + print('ier', ier) + print(' Solution found: %s' % (ier in (1, 2, 3, 4))) + else: + res = least_squares(func, x0, bounds=(0, float('inf'))) + print(res) + print('') + print(res.x) def main(): import argparse @@ -240,8 +261,6 @@ def test5(): print(res) def test6(): - from scipy.optimize import least_squares - def func(params): return (ydata - np.dot(xdata, params)) @@ -262,11 +281,11 @@ def test6(): print(res) if __name__ == '__main__': - #main() + main() #test1() #test2() #test3() #test4() #test5() - test6() + #test6() From 4fee67322f623fad671bc0289e3eb20135ce1e5f Mon Sep 17 00:00:00 2001 From: John McMaster Date: Wed, 29 Aug 2018 13:37:20 -0700 Subject: [PATCH 16/55] timfuz leastsq: iteration print Signed-off-by: John McMaster --- experiments/timfuz/solve_leastsq.py | 27 ++++++++++++++++++++++++--- 1 file changed, 24 insertions(+), 3 deletions(-) diff --git a/experiments/timfuz/solve_leastsq.py b/experiments/timfuz/solve_leastsq.py index 1fc2f8f9..0fc362c8 100644 --- a/experiments/timfuz/solve_leastsq.py +++ b/experiments/timfuz/solve_leastsq.py @@ -65,7 +65,23 @@ def run_corner(Anp, b, names, verbose=False, opts={}, meta={}, outfn=None): if rows < cols: raise Exception("rows must be >= cols") + tlast = [None] + iters = [0] + printn = [0] + def progress_print(): + iters[0] += 1 + if tlast[0] is None: + tlast[0]= time.time() + if time.time() - tlast[0] > 1.0: + sys.stdout.write('I:%d ' % iters[0]) + tlast[0] = time.time() + printn[0] += 1 + if printn[0] % 10 == 0: + sys.stdout.write('\n') + sys.stdout.flush() + def func(params): + progress_print() return (b - np.dot(Anp, params)) print('') @@ -75,8 +91,10 @@ def run_corner(Anp, b, names, verbose=False, opts={}, meta={}, outfn=None): # starting at 0 completes quicky, but gives a solution near 0 with terrible results # maybe give a starting estimate to the smallest net delay with the indicated variable #x0 = np.array([1000.0 for _x in range(cols)]) + print('Creating x0 estimate') x0 = mkestimate(Anp, b) #print('x0', x0) + if 0: x, cov_x, infodict, mesg, ier = optimize.leastsq(func, x0, args=(), full_output=True) print('x', x) @@ -86,10 +104,13 @@ def run_corner(Anp, b, names, verbose=False, opts={}, meta={}, outfn=None): print('ier', ier) print(' Solution found: %s' % (ier in (1, 2, 3, 4))) else: + print('Solving') res = least_squares(func, x0, bounds=(0, float('inf'))) - print(res) - print('') - print(res.x) + if 0: + print(res) + print('') + print(res.x) + print('Done') def main(): import argparse From 7021c638c279257a1520c0d33bb551068db3f191 Mon Sep 17 00:00:00 2001 From: John McMaster Date: Wed, 29 Aug 2018 13:41:14 -0700 Subject: [PATCH 17/55] timfuz: timfuz_rref => rref Signed-off-by: John McMaster --- experiments/timfuz/{timfuz_rref.py => rref.py} | 0 1 file changed, 0 insertions(+), 0 deletions(-) rename experiments/timfuz/{timfuz_rref.py => rref.py} (100%) diff --git a/experiments/timfuz/timfuz_rref.py b/experiments/timfuz/rref.py 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experiments/timfuz/top.v rename to timfuz/top.v diff --git a/experiments/timfuz/wire_unique.py b/timfuz/wire_unique.py similarity index 100% rename from experiments/timfuz/wire_unique.py rename to timfuz/wire_unique.py From f6fb4cb60c40d9db7e971ad8d39a0f9a08203f18 Mon Sep 17 00:00:00 2001 From: John McMaster Date: Wed, 29 Aug 2018 14:05:25 -0700 Subject: [PATCH 19/55] timfuz leastsq: write output solution Signed-off-by: John McMaster --- timfuz/solve_leastsq.py | 32 ++++++++++++++++++++++++++++++-- 1 file changed, 30 insertions(+), 2 deletions(-) diff --git a/timfuz/solve_leastsq.py b/timfuz/solve_leastsq.py index 0fc362c8..6d298969 100644 --- a/timfuz/solve_leastsq.py +++ b/timfuz/solve_leastsq.py @@ -111,6 +111,34 @@ def run_corner(Anp, b, names, verbose=False, opts={}, meta={}, outfn=None): print('') print(res.x) print('Done') + if outfn: + # ballpark minimum actual observed delay is around 7 (carry chain) + # anything less than one is probably a solver artifact + delta = 0.5 + + print('Writing resutls') + skips = 0 + with open(outfn, 'w') as fout: + # write as one variable per line + # this natively forms a bound if fed into linprog solver + fout.write('ico,fast_max fast_min slow_max slow_min,rows...\n') + for xval, name in zip(res.x, names): + row_ico = 1 + + # FIXME: only report for the given corner? + # also review ceil vs floor choice for min vs max + # lets be more conservative for now + if xval < delta: + #print('Skipping %s: %0.6f' % (name, xval)) + skips += 1 + continue + #xvali = round(xval) + xvali = math.ceil(xval) + corners = [xvali for _ in range(4)] + items = [str(row_ico), ' '.join([str(x) for x in corners])] + items.append('%u %s' % (1, name)) + fout.write(','.join(items) + '\n') + print('Wrote: skip %u => %u / %u valid delays' % (skips, len(names) - skips, len(names))) def main(): import argparse @@ -142,7 +170,7 @@ def main(): sub_json = load_sub(args.sub_json) try: - timfuz_solve.run(run_corner=run_corner, sub_json=sub_json, + timfuz_solve.run(run_corner=run_corner, sub_json=sub_json, fns_in=fns_in, corner=args.corner, massage=args.massage, outfn=args.out, verbose=args.verbose) finally: print('Exiting after %s' % bench) @@ -164,7 +192,7 @@ def test1(): # optimize.leastsq def test2(): - + # The function whose square is to be minimised. # params ... list of parameters tuned to minimise function. # Further arguments: From 5ecbd135cef75ae5aa19080e365c7dabde17d9e8 Mon Sep 17 00:00:00 2001 From: John McMaster Date: Wed, 29 Aug 2018 14:05:48 -0700 Subject: [PATCH 20/55] timfuz leastsq: remove test code Signed-off-by: John McMaster --- timfuz/solve_leastsq.py | 161 ---------------------------------------- 1 file changed, 161 deletions(-) diff --git a/timfuz/solve_leastsq.py b/timfuz/solve_leastsq.py index 6d298969..fde102c2 100644 --- a/timfuz/solve_leastsq.py +++ b/timfuz/solve_leastsq.py @@ -175,166 +175,5 @@ def main(): finally: print('Exiting after %s' % bench) -# optimize.curve_fit wrapper -def test1(): - # Generate artificial data = straight line with a=0 and b=1 - # plus some noise. - xdata = np.array([0.0,1.0,2.0,3.0,4.0,5.0]) - ydata = np.array([0.1,0.9,2.2,2.8,3.9,5.1]) - # Initial guess. - x0 = np.array([0.0, 0.0, 0.0]) - sigma = np.array([1.0,1.0,1.0,1.0,1.0,1.0]) - - def func(x, a, b, c): - return a + b*x + c*x*x - - print(optimize.curve_fit(func, xdata, ydata, x0, sigma)) - -# optimize.leastsq -def test2(): - - # The function whose square is to be minimised. - # params ... list of parameters tuned to minimise function. - # Further arguments: - # xdata ... design matrix for a linear model. - # ydata ... observed data. - def func(params, xdata, ydata): - return (ydata - np.dot(xdata, params)) - - x0 = np.array([0.0, 0.0]) - - ''' - a = 10 - a + b = 100 - ''' - xdata = np.array([[1, 0], - [1, 1]]) - ydata = np.array([10, 100]) - - ''' - x [ 10. 90.] - cov_x [[ 1. -1.] - [-1. 2.]] - infodictx {'ipvt': array([1, 2], dtype=int32), 'qtf': array([ 1.69649118e-10, 1.38802454e-10]), 'nfev': 7, 'fjac': array([[ 1.41421356, 0.70710678], - [ 0.70710678, 0.70710678]]), 'fvec': array([ 0., 0.])} - mesg The relative error between two consecutive iterates is at most 0.000000 - ier 2 - Solution found: True - ''' - x, cov_x, infodict, mesg, ier = optimize.leastsq(func, x0, args=(xdata, ydata), full_output=True) - print('x', x) - print('cov_x', cov_x) - print('infodictx', infodict) - print('mesg', mesg) - print('ier', ier) - print(' Solution found: %s' % (ier in (1, 2, 3, 4))) - -# non-square -def test3(): - def func(params, xdata, ydata): - return (ydata - np.dot(xdata, params)) - - x0 = np.array([0.0, 0.0, 0.0]) - - ''' - a = 10 - a + b + c = 100 - ''' - xdata = np.array([[1, 0, 0], - [1, 1, 1], - [0, 0, 0]]) - ydata = np.array([10, 100, 0]) - - x, cov_x, infodict, mesg, ier = optimize.leastsq(func, x0, args=(xdata, ydata), full_output=True) - print('x', x) - print('cov_x', cov_x) - print('infodictx', infodict) - print('mesg', mesg) - print('ier', ier) - print(' Solution found: %s' % (ier in (1, 2, 3, 4))) - -def test4(): - def func(params): - print('') - print('iter') - print(params) - print(xdata) - print(ydata) - return (ydata - np.dot(xdata, params)) - - x0 = np.array([0.0, 0.0, 0.0]) - - ''' - You must have at least as many things to optimize as variables - That is, the system must be plausibly constrained for it to attempt a solve - If not, you'll get a message like - TypeError: Improper input: N=3 must not exceed M=2 - ''' - xdata = np.array([[1, 0, 0], - [1, 1, 1], - [1, 0, 1], - [0, 1, 1], - ]) - ydata = np.array([10, 100, 120, 140]) - - x, cov_x, infodict, mesg, ier = optimize.leastsq(func, x0, full_output=True) - print('x', x) - print('cov_x', cov_x) - print('infodictx', infodict) - print('mesg', mesg) - print('ier', ier) - print(' Solution found: %s' % (ier in (1, 2, 3, 4))) - -def test5(): - from scipy.optimize import least_squares - - def fun_rosenbrock(x): - return np.array([10 * (x[1] - x[0]**2), (1 - x[0])]) - x0_rosenbrock = np.array([2, 2]) - res = least_squares(fun_rosenbrock, x0_rosenbrock) - ''' - active_mask: array([ 0., 0.]) - cost: 9.8669242910846867e-30 - fun: array([ 4.44089210e-15, 1.11022302e-16]) - grad: array([ -8.89288649e-14, 4.44089210e-14]) - jac: array([[-20.00000015, 10. ], - [ -1. , 0. ]]) - message: '`gtol` termination condition is satisfied.' - nfev: 3 - njev: 3 - optimality: 8.8928864934219529e-14 - status: 1 - success: True - x: array([ 1., 1.]) - ''' - print(res) - -def test6(): - def func(params): - return (ydata - np.dot(xdata, params)) - - x0 = np.array([0.0, 0.0, 0.0]) - - ''' - a = 10 - a + b + c = 100 - ''' - xdata = np.array([[1, 0, 0], - [1, 1, 1], - [0, 0, 0]]) - ydata = np.array([10, 100, 0]) - - res = least_squares(func, x0) - ''' - ''' - print(res) - if __name__ == '__main__': main() - #test1() - #test2() - #test3() - #test4() - #test5() - #test6() - From e83866af720375d2f5ae5aca19b6bb6fe955c575 Mon Sep 17 00:00:00 2001 From: John McMaster Date: Wed, 29 Aug 2018 14:27:57 -0700 Subject: [PATCH 21/55] timfuz: linprog write output csv Signed-off-by: John McMaster --- timfuz/solve_linprog.py | 33 ++++++++++++++++++++++++++++- timfuz/timfuz_solve.py | 47 +++++++++++++++++++++++++++++++++++++---- 2 files changed, 75 insertions(+), 5 deletions(-) diff --git a/timfuz/solve_linprog.py b/timfuz/solve_linprog.py index 2eef5e75..2389de6c 100644 --- a/timfuz/solve_linprog.py +++ b/timfuz/solve_linprog.py @@ -111,6 +111,36 @@ def run_corner(Anp, b, names, verbose=False, opts={}, meta={}, outfn=None): print('Writing %s' % fn_out) np.save(fn_out, (3, c, A_ub, b_ub, bounds, names, res, meta)) + if outfn: + # ballpark minimum actual observed delay is around 7 (carry chain) + # anything less than one is probably a solver artifact + delta = 0.5 + + print('Writing resutls') + skips = 0 + with open(outfn, 'w') as fout: + # write as one variable per line + # this natively forms a bound if fed into linprog solver + fout.write('ico,fast_max fast_min slow_max slow_min,rows...\n') + for xval, name in zip(res.x, names): + row_ico = 1 + + # FIXME: only report for the given corner? + # also review ceil vs floor choice for min vs max + # lets be more conservative for now + if xval < delta: + #print('Skipping %s: %0.6f' % (name, xval)) + skips += 1 + continue + #xvali = round(xval) + xvali = math.ceil(xval) + corners = [xvali for _ in range(4)] + items = [str(row_ico), ' '.join([str(x) for x in corners])] + items.append('%u %s' % (1, name)) + fout.write(','.join(items) + '\n') + print('Wrote: skip %u => %u / %u valid delays' % (skips, len(names) - skips, len(names))) + + def main(): import argparse @@ -121,6 +151,7 @@ def main(): parser.add_argument('--verbose', action='store_true', help='') parser.add_argument('--massage', action='store_true', help='') + parser.add_argument('--sub-csv', help='') parser.add_argument('--sub-json', help='Group substitutions to make fully ranked') parser.add_argument('--corner', default="slow_max", help='') parser.add_argument('--out', default=None, help='output timing delay .json') @@ -141,7 +172,7 @@ def main(): sub_json = load_sub(args.sub_json) try: - timfuz_solve.run(run_corner=run_corner, sub_json=sub_json, + timfuz_solve.run(run_corner=run_corner, sub_json=sub_json, sub_csv=args.sub_csv, fns_in=fns_in, corner=args.corner, massage=args.massage, outfn=args.out, verbose=args.verbose) finally: print('Exiting after %s' % bench) diff --git a/timfuz/timfuz_solve.py b/timfuz/timfuz_solve.py index a2e6526a..a7f33e77 100644 --- a/timfuz/timfuz_solve.py +++ b/timfuz/timfuz_solve.py @@ -36,7 +36,7 @@ def check_feasible(A_ub, b_ub): Delays should be in order of ns, so a 10 ns delay should be way above what anything should be Series can have several hundred delay elements Max delay in ballpark - ''' + ''' xs = [1e9 for _i in range(cols)] # FIXME: use the correct np function to do this for me @@ -74,7 +74,29 @@ def instances(Ads): ret += sum(row_ds.values()) return ret -def run(fns_in, corner, run_corner, sub_json=None, dedup=True, massage=False, outfn=None, verbose=False, **kwargs): +def Ads2bounds(Ads, b): + ret = {} + for row_ds, row_b in zip(Ads, b): + assert len(row_ds) == 1 + k, v = list(row_ds.items())[0] + assert v == 1 + ret[k] = row_b + return ret + +def filter_bounds(Ads, b, bounds): + '''Given min variable delays, remove rows that won't constrain solution''' + ret_Ads = [] + ret_b = [] + for row_ds, row_b in zip(Ads, b): + # some variables get estimated at 0 + est = sum([bounds.get(k, 0) * v for k, v in row_ds.items()]) + # will this row potentially constrain us more? + if row_b > est: + ret_Ads.append(row_ds) + ret_b.append(row_b) + return ret_Ads, ret_b + +def run(fns_in, corner, run_corner, sub_json=None, sub_csv=None, dedup=True, massage=False, outfn=None, verbose=False, **kwargs): print('Loading data') Ads, b = loadc_Ads_b(fns_in, corner, ico=True) @@ -87,7 +109,7 @@ def run(fns_in, corner, run_corner, sub_json=None, dedup=True, massage=False, ou Ads, b = simplify_rows(Ads, b) print('Simplify %u => %u rows' % (oldn, len(Ads))) print('Simplify %u => %u instances' % (iold, instances(Ads))) - + if sub_json: print('Sub: %u rows' % len(Ads)) iold = instances(Ads) @@ -99,6 +121,23 @@ def run(fns_in, corner, run_corner, sub_json=None, dedup=True, massage=False, ou else: names = index_names(Ads) + # post substitution csv + # actually this might not be strictly necessary since subs would just not apply + # however, I wanted to do some filtering based on expected form + if sub_csv: + Ads2, b2 = loadc_Ads_b([sub_csv], corner, ico=True) + if 0: + Ads = Ads + Ads2 + b = b + b2 + else: + bounds = Ads2bounds(Ads2, b2) + rows_old = len(Ads) + Ads, b = filter_bounds(Ads, b, bounds) + print('Filter bounds: %s => %s rows' % (rows_old, len(Ads))) + if 1: + Ads = Ads + Ads2 + b = b + b2 + if verbose: print print_eqns(Ads, b, verbose=verbose) @@ -115,7 +154,7 @@ def run(fns_in, corner, run_corner, sub_json=None, dedup=True, massage=False, ou However, a better solution is something like a = 10 b = 90 - This creates derived constraints to provide more realistic results + This creates derived constraints to provide more realistic results ''' if massage: Ads, b = massage_equations(Ads, b) From 1aa15ae8b612dd228113986cb3f39abd762a688d Mon Sep 17 00:00:00 2001 From: John McMaster Date: Wed, 29 Aug 2018 15:24:41 -0700 Subject: [PATCH 22/55] timfuz: utility to flatten groups out of csv Signed-off-by: John McMaster --- timfuz/csv_group2flat.py | 88 ++++++++++++++++++++++++++++++++++++++++ timfuz/solve_linprog.py | 11 +++-- timfuz/timfuz.py | 16 ++++++++ timfuz/timfuz_solve.py | 11 +---- 4 files changed, 110 insertions(+), 16 deletions(-) create mode 100644 timfuz/csv_group2flat.py diff --git a/timfuz/csv_group2flat.py b/timfuz/csv_group2flat.py new file mode 100644 index 00000000..c88b6992 --- /dev/null +++ b/timfuz/csv_group2flat.py @@ -0,0 +1,88 @@ +#!/usr/bin/env python3 + +# https://docs.scipy.org/doc/scipy-0.18.1/reference/generated/scipy.optimize.linprog.html +from scipy.optimize import linprog +from timfuz import Benchmark, Ar_di2np, Ar_ds2t, A_di2ds, A_ds2di, simplify_rows, loadc_Ads_b, index_names, A_ds2np, load_sub, run_sub_json, A_ub_np2d, print_eqns, print_eqns_np, Ads2bounds, loadc_Ads_raw +from timfuz_massage import massage_equations +import numpy as np +import glob +import json +import math +from collections import OrderedDict +from fractions import Fraction +import sys +import datetime +import os +import time + +def gen_flat(fnin, sub_json): + # FIXME: preserve all bounds + # Ads, bs = loadc_Ads_raw([csv_fn_in]) + Ads, b = loadc_Ads_b([fnin], corner=None, ico=True) + bounds = Ads2bounds(Ads, b) + zeros = set() + nonzeros = set() + + for bound_name, bound_b in bounds.items(): + sub = sub_json['subs'].get(bound_name, None) + if sub: + # put entire delay into pivot + pivot = sub_json['pivots'][bound_name] + assert pivot not in zeros + nonzeros.add(pivot) + non_pivot = set(sub.keys() - set([pivot])) + #for name in non_pivot: + # assert name not in nonzeros, (pivot, name, nonzeros) + zeros.update(non_pivot) + yield pivot, bound_b + else: + nonzeros.add(bound_name) + yield bound_name, bound_b + # non-pivots can appear multiple times, but they should always be zero + # however, due to substitution limitations, just warn + violations = zeros.intersection(nonzeros) + if len(violations): + print('WARNING: %s non-0 non-pivot' % (len(violations))) + + for zero in zeros - violations: + yield zero, 0 + +def run(fnin, fnout, sub_json, corner=None, verbose=False): + with open(fnout, 'w') as fout: + fout.write('ico,fast_max fast_min slow_max slow_min,rows...\n') + for name, delay in sorted(gen_flat(fnin, sub_json)): + row_ico = 1 + corners = [delay for _ in range(4)] + items = [str(row_ico), ' '.join([str(x) for x in corners])] + items.append('%u %s' % (1, name)) + fout.write(','.join(items) + '\n') + +def main(): + import argparse + + parser = argparse.ArgumentParser( + description= + 'Solve timing solution' + ) + + parser.add_argument('--verbose', action='store_true', help='') + parser.add_argument('--massage', action='store_true', help='') + parser.add_argument('--sub-csv', help='') + parser.add_argument('--sub-json', required=True, help='Group substitutions to make fully ranked') + parser.add_argument('fnin', default=None, help='input timing delay .csv') + parser.add_argument('fnout', default=None, help='output timing delay .csv') + args = parser.parse_args() + # Store options in dict to ease passing through functions + bench = Benchmark() + + sub_json = None + if args.sub_json: + sub_json = load_sub(args.sub_json) + + try: + run(args.fnin, args.fnout, sub_json=sub_json, verbose=args.verbose) + finally: + print('Exiting after %s' % bench) + +if __name__ == '__main__': + main() diff --git a/timfuz/solve_linprog.py b/timfuz/solve_linprog.py index 2389de6c..201ba7ca 100644 --- a/timfuz/solve_linprog.py +++ b/timfuz/solve_linprog.py @@ -117,7 +117,7 @@ def run_corner(Anp, b, names, verbose=False, opts={}, meta={}, outfn=None): delta = 0.5 print('Writing resutls') - skips = 0 + zeros = 0 with open(outfn, 'w') as fout: # write as one variable per line # this natively forms a bound if fed into linprog solver @@ -129,17 +129,16 @@ def run_corner(Anp, b, names, verbose=False, opts={}, meta={}, outfn=None): # also review ceil vs floor choice for min vs max # lets be more conservative for now if xval < delta: - #print('Skipping %s: %0.6f' % (name, xval)) - skips += 1 - continue + print('WARNING: near 0 delay on %s: %0.6f' % (name, xval)) + zeros += 1 + #continue #xvali = round(xval) xvali = math.ceil(xval) corners = [xvali for _ in range(4)] items = [str(row_ico), ' '.join([str(x) for x in corners])] items.append('%u %s' % (1, name)) fout.write(','.join(items) + '\n') - print('Wrote: skip %u => %u / %u valid delays' % (skips, len(names) - skips, len(names))) - + print('Wrote: zeros %u => %u / %u constrained delays' % (zeros, len(names) - zeros, len(names))) def main(): import argparse diff --git a/timfuz/timfuz.py b/timfuz/timfuz.py index d2bcd300..ec9bfe28 100644 --- a/timfuz/timfuz.py +++ b/timfuz/timfuz.py @@ -701,6 +701,13 @@ def loadc_Ads_b(fns, corner, ico=None): return val[corneri] return loadc_Ads_mkb(fns, mkb, filt) +def loadc_Ads_raw(fns): + filt = lambda ico, corners, vars: True + + def mkb(val): + return val + return loadc_Ads_mkb(fns, mkb, filt) + def index_names(Ads): names = set() for row_ds in Ads: @@ -829,3 +836,12 @@ def print_eqns(Ads, b, verbose=0, lim=3, label=''): def print_eqns_np(A_ub, b_ub, verbose=0): Adi = A_ub_np2d(A_ub) print_eqns(Adi, b_ub, verbose=verbose) + +def Ads2bounds(Ads, b): + ret = {} + for row_ds, row_b in zip(Ads, b): + assert len(row_ds) == 1 + k, v = list(row_ds.items())[0] + assert v == 1 + ret[k] = row_b + return ret diff --git a/timfuz/timfuz_solve.py b/timfuz/timfuz_solve.py index a7f33e77..4fdf5dbf 100644 --- a/timfuz/timfuz_solve.py +++ b/timfuz/timfuz_solve.py @@ -2,7 +2,7 @@ # https://docs.scipy.org/doc/scipy-0.18.1/reference/generated/scipy.optimize.linprog.html from scipy.optimize import linprog -from timfuz import Benchmark, Ar_di2np, Ar_ds2t, A_di2ds, A_ds2di, simplify_rows, loadc_Ads_b, index_names, A_ds2np, load_sub, run_sub_json, A_ub_np2d, print_eqns, print_eqns_np +from timfuz import Benchmark, Ar_di2np, Ar_ds2t, A_di2ds, A_ds2di, simplify_rows, loadc_Ads_b, index_names, A_ds2np, load_sub, run_sub_json, A_ub_np2d, print_eqns, print_eqns_np, Ads2bounds from timfuz_massage import massage_equations import numpy as np import glob @@ -74,15 +74,6 @@ def instances(Ads): ret += sum(row_ds.values()) return ret -def Ads2bounds(Ads, b): - ret = {} - for row_ds, row_b in zip(Ads, b): - assert len(row_ds) == 1 - k, v = list(row_ds.items())[0] - assert v == 1 - ret[k] = row_b - return ret - def filter_bounds(Ads, b, bounds): '''Given min variable delays, remove rows that won't constrain solution''' ret_Ads = [] From e76e84f72c765aaf2e5066b84f92739c4516d317 Mon Sep 17 00:00:00 2001 From: John McMaster Date: Wed, 29 Aug 2018 16:05:10 -0700 Subject: [PATCH 23/55] timfuz: csv_flat2group Signed-off-by: John McMaster --- timfuz/csv_flat2group.py | 71 ++++++++++++++++++++++++++++++++++++++++ timfuz/csv_group2flat.py | 16 +++++---- timfuz/timfuz.py | 26 ++++++++++++--- timfuz/timfuz_solve.py | 8 +---- 4 files changed, 103 insertions(+), 18 deletions(-) create mode 100644 timfuz/csv_flat2group.py diff --git a/timfuz/csv_flat2group.py b/timfuz/csv_flat2group.py new file mode 100644 index 00000000..7a050585 --- /dev/null +++ b/timfuz/csv_flat2group.py @@ -0,0 +1,71 @@ +#!/usr/bin/env python3 + +# https://docs.scipy.org/doc/scipy-0.18.1/reference/generated/scipy.optimize.linprog.html +from scipy.optimize import linprog +from timfuz import Benchmark, Ar_di2np, Ar_ds2t, A_di2ds, A_ds2di, simplify_rows, loadc_Ads_b, index_names, A_ds2np, load_sub, run_sub_json, A_ub_np2d, print_eqns, print_eqns_np, Ads2bounds, loadc_Ads_raw, instances +from timfuz_massage import massage_equations +import numpy as np +import glob +import json +import math +from collections import OrderedDict +from fractions import Fraction +import sys +import datetime +import os +import time + +def gen_group(fnin, sub_json, strict=False, verbose=False): + print('Loading data') + # FIXME: preserve corners + Ads, b = loadc_Ads_b([fnin], corner=None, ico=True) + + print('Sub: %u rows' % len(Ads)) + iold = instances(Ads) + names_old = index_names(Ads) + run_sub_json(Ads, sub_json, strict=strict, verbose=verbose) + names = index_names(Ads) + print("Sub: %u => %u names" % (len(names_old), len(names))) + print('Sub: %u => %u instances' % (iold, instances(Ads))) + + for row_ds, row_b in zip(Ads, b): + yield row_ds, [row_b for _ in range(4)] + +def run(fnin, fnout, sub_json, corner=None, strict=False, verbose=False): + with open(fnout, 'w') as fout: + fout.write('ico,fast_max fast_min slow_max slow_min,rows...\n') + for row_ds, row_bs in gen_group(fnin, sub_json, strict=strict): + row_ico = 1 + items = [str(row_ico), ' '.join([str(x) for x in row_bs])] + for k, v in sorted(row_ds.items()): + items.append('%u %s' % (v, k)) + fout.write(','.join(items) + '\n') + +def main(): + import argparse + + parser = argparse.ArgumentParser( + description= + 'Solve timing solution' + ) + + parser.add_argument('--verbose', action='store_true', help='') + parser.add_argument('--massage', action='store_true', help='') + parser.add_argument('--strict', action='store_true', help='') + parser.add_argument('--sub-csv', help='') + parser.add_argument('--sub-json', required=True, help='Group substitutions to make fully ranked') + parser.add_argument('fnin', default=None, help='input timing delay .csv') + parser.add_argument('fnout', default=None, help='output timing delay .csv') + args = parser.parse_args() + # Store options in dict to ease passing through functions + bench = Benchmark() + + sub_json = load_sub(args.sub_json) + + try: + run(args.fnin, args.fnout, sub_json=sub_json, strict=args.strict, verbose=args.verbose) + finally: + print('Exiting after %s' % bench) + +if __name__ == '__main__': + main() diff --git a/timfuz/csv_group2flat.py b/timfuz/csv_group2flat.py index c88b6992..14f51b60 100644 --- a/timfuz/csv_group2flat.py +++ b/timfuz/csv_group2flat.py @@ -47,10 +47,15 @@ def gen_flat(fnin, sub_json): for zero in zeros - violations: yield zero, 0 -def run(fnin, fnout, sub_json, corner=None, verbose=False): +def run(fnin, fnout, sub_json, corner=None, sort=False, verbose=False): + if sort: + sortf = sorted + else: + sortf = lambda x: x + with open(fnout, 'w') as fout: fout.write('ico,fast_max fast_min slow_max slow_min,rows...\n') - for name, delay in sorted(gen_flat(fnin, sub_json)): + for name, delay in sortf(gen_flat(fnin, sub_json)): row_ico = 1 corners = [delay for _ in range(4)] items = [str(row_ico), ' '.join([str(x) for x in corners])] @@ -67,6 +72,7 @@ def main(): parser.add_argument('--verbose', action='store_true', help='') parser.add_argument('--massage', action='store_true', help='') + parser.add_argument('--sort', action='store_true', help='') parser.add_argument('--sub-csv', help='') parser.add_argument('--sub-json', required=True, help='Group substitutions to make fully ranked') parser.add_argument('fnin', default=None, help='input timing delay .csv') @@ -75,12 +81,10 @@ def main(): # Store options in dict to ease passing through functions bench = Benchmark() - sub_json = None - if args.sub_json: - sub_json = load_sub(args.sub_json) + sub_json = load_sub(args.sub_json) try: - run(args.fnin, args.fnout, sub_json=sub_json, verbose=args.verbose) + run(args.fnin, args.fnout, sub_json=sub_json, sort=args.sort, verbose=args.verbose) finally: print('Exiting after %s' % bench) diff --git a/timfuz/timfuz.py b/timfuz/timfuz.py index ec9bfe28..6f2f8918 100644 --- a/timfuz/timfuz.py +++ b/timfuz/timfuz.py @@ -724,7 +724,7 @@ def load_sub(fn): return j -def row_sub_syms(row, sub_json, verbose=False): +def row_sub_syms(row, sub_json, strict=False, verbose=False): zero = Fraction(0) zero = 0 @@ -751,10 +751,10 @@ def row_sub_syms(row, sub_json, verbose=False): n = row[pivot] print(' pivot %u %s' % (n, pivot)) + #pivots = set(sub_json['pivots'].values()).intersection(row.keys()) for group, pivot in sorted(sub_json['pivots'].items()): if pivot not in row: continue - # take the sub out n times # note constants may be negative n = row[pivot] @@ -779,11 +779,21 @@ def row_sub_syms(row, sub_json, verbose=False): # after all constants are applied, the row should end up positive? # numeric precision issues previously limited this # Ex: AssertionError: ('PIP_BSW_2ELSING0', -2.220446049250313e-16) - if 0: + if strict: + # verify no subs are left + for subs in sub_json['subs'].values(): + for sub in subs: + assert sub not in row, 'Unexpected element %s' % sub + + # Verify all constants are positive for k, v in sorted(row.items()): assert v > 0, (k, v) -def run_sub_json(Ads, sub_json, verbose=False): +def run_sub_json(Ads, sub_json, strict=False, verbose=False): + ''' + strict: complain if a sub doesn't go in evenly + ''' + nrows = 0 nsubs = 0 @@ -801,7 +811,7 @@ def run_sub_json(Ads, sub_json, verbose=False): print('Row %u w/ %u elements' % (rowi, len(row))) row_orig = dict(row) - row_sub_syms(row, sub_json, verbose=verbose) + row_sub_syms(row, sub_json, strict=strict, verbose=verbose) nrows += 1 if row_orig != row: nsubs += 1 @@ -845,3 +855,9 @@ def Ads2bounds(Ads, b): assert v == 1 ret[k] = row_b return ret + +def instances(Ads): + ret = 0 + for row_ds in Ads: + ret += sum(row_ds.values()) + return ret diff --git a/timfuz/timfuz_solve.py b/timfuz/timfuz_solve.py index 4fdf5dbf..c6343e70 100644 --- a/timfuz/timfuz_solve.py +++ b/timfuz/timfuz_solve.py @@ -2,7 +2,7 @@ # https://docs.scipy.org/doc/scipy-0.18.1/reference/generated/scipy.optimize.linprog.html from scipy.optimize import linprog -from timfuz import Benchmark, Ar_di2np, Ar_ds2t, A_di2ds, A_ds2di, simplify_rows, loadc_Ads_b, index_names, A_ds2np, load_sub, run_sub_json, A_ub_np2d, print_eqns, print_eqns_np, Ads2bounds +from timfuz import Benchmark, Ar_di2np, Ar_ds2t, A_di2ds, A_ds2di, simplify_rows, loadc_Ads_b, index_names, A_ds2np, load_sub, run_sub_json, A_ub_np2d, print_eqns, print_eqns_np, Ads2bounds, instances from timfuz_massage import massage_equations import numpy as np import glob @@ -68,12 +68,6 @@ def check_feasible(A_ub, b_ub): raise Exception("Bad ") print(' done') -def instances(Ads): - ret = 0 - for row_ds in Ads: - ret += sum(row_ds.values()) - return ret - def filter_bounds(Ads, b, bounds): '''Given min variable delays, remove rows that won't constrain solution''' ret_Ads = [] From 51763748174140abb16fad6916f9c84a7527e05e Mon Sep 17 00:00:00 2001 From: John McMaster Date: Wed, 29 Aug 2018 16:17:16 -0700 Subject: [PATCH 24/55] timfuz group2flat: remove old option Signed-off-by: John McMaster --- timfuz/csv_group2flat.py | 1 - 1 file changed, 1 deletion(-) diff --git a/timfuz/csv_group2flat.py b/timfuz/csv_group2flat.py index 14f51b60..bf5c2870 100644 --- a/timfuz/csv_group2flat.py +++ b/timfuz/csv_group2flat.py @@ -71,7 +71,6 @@ def main(): ) parser.add_argument('--verbose', action='store_true', help='') - parser.add_argument('--massage', action='store_true', help='') parser.add_argument('--sort', action='store_true', help='') parser.add_argument('--sub-csv', help='') parser.add_argument('--sub-json', required=True, help='Group substitutions to make fully ranked') From fb69b9f0455660495b4a7213bfe02f33054a4d91 Mon Sep 17 00:00:00 2001 From: John McMaster Date: Wed, 29 Aug 2018 17:36:00 -0700 Subject: [PATCH 25/55] timfuz: utility to create tile to speed model database Signed-off-by: John McMaster --- timfuz/tile_txt2json.py | 74 ++++++++++++++++++++++ timfuz/timgrid/Makefile | 26 ++++++++ timfuz/timgrid/generate.sh | 16 +++++ timfuz/timgrid/generate.tcl | 119 ++++++++++++++++++++++++++++++++++++ timfuz/timgrid/top.v | 49 +++++++++++++++ timfuz/timgrid/top_bram.v | 62 +++++++++++++++++++ 6 files changed, 346 insertions(+) create mode 100644 timfuz/tile_txt2json.py create mode 100644 timfuz/timgrid/Makefile create mode 100644 timfuz/timgrid/generate.sh create mode 100644 timfuz/timgrid/generate.tcl create mode 100644 timfuz/timgrid/top.v create mode 100644 timfuz/timgrid/top_bram.v diff --git a/timfuz/tile_txt2json.py b/timfuz/tile_txt2json.py new file mode 100644 index 00000000..06711f87 --- /dev/null +++ b/timfuz/tile_txt2json.py @@ -0,0 +1,74 @@ +#!/usr/bin/env python3 + +import sys +import os +import time +import json + +SI_NONE = 0xFFFF +def load_speed_json(f): + j = json.load(f) + # Index speed indexes to names + speed_i2s = {} + for k, v in j['speed_model'].items(): + i = v['speed_index'] + if i != SI_NONE: + speed_i2s[i] = k + return j, speed_i2s + +def gen_tiles(fnin, speed_i2s): + for l in open(fnin): + # lappend items pip $name $speed_index + # puts $fp "$type $tile $grid_x $grid_y $items" + parts = l.strip().split() + tile_type, tile_name, grid_x, grid_y = parts[0:4] + grid_x, grid_y = int(grid_x), int(grid_y) + tuples = parts[4:] + assert len(tuples) % 3 == 0 + pips = {} + wires = {} + for i in range(0, len(tuples), 3): + ttype, name, speed_index = tuples[i:i+3] + name_local = name.split('/')[1] + { + 'pip': pips, + 'wire': wires, + }[ttype][name_local] = speed_i2s[int(speed_index)] + yield (tile_type, tile_name, grid_x, grid_y, pips, wires) + +def run(fnin, fnout, speed_json_fn, verbose=False): + speedj, speed_i2s = load_speed_json(open(speed_json_fn, 'r')) + + tiles = {} + for tile in gen_tiles(fnin, speed_i2s): + (tile_type, tile_name, grid_x, grid_y, pips, wires) = tile + this_dat = {'pips': pips, 'wires': wires} + if tile_type not in tiles: + tiles[tile_type] = this_dat + else: + if tiles[tile_type] != this_dat: + print(tile_name, tile_type) + print(this_dat) + print(tiles[tile_type]) + assert 0 + + j = {'tiles': tiles} + json.dump(j, open(fnout, 'w'), sort_keys=True, indent=4, separators=(',', ': ')) + +def main(): + import argparse + + parser = argparse.ArgumentParser( + description= + 'Solve timing solution' + ) + parser.add_argument('--speed-json', default='build_speed/speed.json', + help='Provides speed index to name translation') + parser.add_argument('fnin', default=None, help='input tcl output .txt') + parser.add_argument('fnout', default=None, help='output .json') + args = parser.parse_args() + + run(args.fnin, args.fnout, speed_json_fn=args.speed_json, verbose=False) + +if __name__ == '__main__': + main() diff --git a/timfuz/timgrid/Makefile b/timfuz/timgrid/Makefile new file mode 100644 index 00000000..c59f83bf --- /dev/null +++ b/timfuz/timgrid/Makefile @@ -0,0 +1,26 @@ + +N := 1 +SPECIMENS := $(addprefix specimen_,$(shell seq -f '%03.0f' $(N))) +SPECIMENS_OK := $(addsuffix /OK,$(SPECIMENS)) + +database: $(SPECIMENS_OK) + cp specimen_001/tilegrid.json tilegrid.json + +pushdb: + cp tilegrid.json ${XRAY_DATABASE_DIR}/$(XRAY_DATABASE)/tilegrid.json + +$(SPECIMENS_OK): + bash generate.sh $(subst /OK,,$@) + touch $@ + +run: + $(MAKE) clean + $(MAKE) database + $(MAKE) pushdb + touch run.ok + +clean: + rm -rf specimen_[0-9][0-9][0-9]/ tilegrid.json run.ok + +.PHONY: database pushdb clean run + diff --git a/timfuz/timgrid/generate.sh b/timfuz/timgrid/generate.sh new file mode 100644 index 00000000..3efa2478 --- /dev/null +++ b/timfuz/timgrid/generate.sh @@ -0,0 +1,16 @@ +#!/bin/bash -x + +source ${XRAY_GENHEADER} + +vivado -mode batch -source ../generate.tcl + +for x in design*.bit; do + ${XRAY_BITREAD} -F $XRAY_ROI_FRAMES -o ${x}s -z -y $x +done + +for x in design_*.bits; do + diff -u design.bits $x | grep '^[-+]bit' > ${x%.bits}.delta +done + +python3 ../generate.py design_*.delta > tilegrid.json + diff --git a/timfuz/timgrid/generate.tcl b/timfuz/timgrid/generate.tcl new file mode 100644 index 00000000..70a9b030 --- /dev/null +++ b/timfuz/timgrid/generate.tcl @@ -0,0 +1,119 @@ +proc create_project {} { + if 0 { + set grid_min_x -1 + set grid_max_x -1 + set grid_min_y -1 + set grid_max_y -1 + } { + set grid_min_x $::env(XRAY_ROI_GRID_X1) + set grid_max_x $::env(XRAY_ROI_GRID_X2) + set grid_min_y $::env(XRAY_ROI_GRID_Y1) + set grid_max_y $::env(XRAY_ROI_GRID_Y2) + } + + create_project -force -part $::env(XRAY_PART) design design + + read_verilog ../top.v + synth_design -top top + + set_property -dict "PACKAGE_PIN $::env(XRAY_PIN_00) IOSTANDARD LVCMOS33" [get_ports clk] + set_property -dict "PACKAGE_PIN $::env(XRAY_PIN_01) IOSTANDARD LVCMOS33" [get_ports di] + set_property -dict "PACKAGE_PIN $::env(XRAY_PIN_02) IOSTANDARD LVCMOS33" [get_ports do] + set_property -dict "PACKAGE_PIN $::env(XRAY_PIN_03) IOSTANDARD LVCMOS33" [get_ports stb] + + create_pblock roi + add_cells_to_pblock [get_pblocks roi] [get_cells roi] + resize_pblock [get_pblocks roi] -add "$::env(XRAY_ROI)" + + set_property CFGBVS VCCO [current_design] + set_property CONFIG_VOLTAGE 3.3 [current_design] + set_property BITSTREAM.GENERAL.PERFRAMECRC YES [current_design] + set_param tcl.collectionResultDisplayLimit 0 + + set_property CLOCK_DEDICATED_ROUTE FALSE [get_nets clk_IBUF] + + set luts [get_bels -of_objects [get_sites -of_objects [get_pblocks roi]] -filter {TYPE =~ LUT*} */A6LUT] + set selected_luts {} + set lut_index 0 + + # LOC one LUT (a "selected_lut") into each CLB segment configuration column (ie 50 per column) + # Also, if GRID_MIN/MAX is not defined, automatically create it based on used CLBs + # See caveat in README on automatic creation + foreach lut $luts { + set tile [get_tile -of_objects $lut] + set grid_x [get_property GRID_POINT_X $tile] + set grid_y [get_property GRID_POINT_Y $tile] + + if [expr $grid_min_x < 0 || $grid_x < $grid_min_x] {set grid_min_x $grid_x} + if [expr $grid_max_x < 0 || $grid_x > $grid_max_x] {set grid_max_x $grid_x} + + if [expr $grid_min_y < 0 || $grid_y < $grid_min_y] {set grid_min_y $grid_y} + if [expr $grid_max_y < 0 || $grid_y > $grid_max_y] {set grid_max_y $grid_y} + + # 50 per column => 50, 100, 150, etc + if [regexp "Y(0|[0-9]*[05]0)/" $lut] { + set cell [get_cells roi/is[$lut_index].lut] + set_property LOC [get_sites -of_objects $lut] $cell + set lut_index [expr $lut_index + 1] + lappend selected_luts $lut + } + } + + place_design + route_design + + write_checkpoint -force design.dcp + write_bitstream -force design.bit +} + +proc write_data {} { + if 0 { + set grid_min_x -1 + set grid_max_x -1 + set grid_min_y -1 + set grid_max_y -1 + } { + set grid_min_x $::env(XRAY_ROI_GRID_X1) + set grid_max_x $::env(XRAY_ROI_GRID_X2) + set grid_min_y $::env(XRAY_ROI_GRID_Y1) + set grid_max_y $::env(XRAY_ROI_GRID_Y2) + } + + # Get all tiles in ROI, ie not just the selected LUTs + set tiles [get_tiles -filter "GRID_POINT_X >= $grid_min_x && GRID_POINT_X <= $grid_max_x && GRID_POINT_Y >= $grid_min_y && GRID_POINT_Y <= $grid_max_y"] + + # Write tiles.txt with site metadata + set fp [open "tiles.txt" w] + foreach tile $tiles { + set type [get_property TYPE $tile] + set grid_x [get_property GRID_POINT_X $tile] + set grid_y [get_property GRID_POINT_Y $tile] + + set items {} + + set wires [get_wires -of_objects $tile] + if [llength $wires] { + foreach wire $wires { + set name [get_property NAME $wire] + set speed_index [get_property SPEED_INDEX $wire] + lappend items wire $name $speed_index + } + } + + set pips [get_pips -of_objects $tile] + if [llength $pips] { + foreach pip $pips { + set name [get_property NAME $pip] + set speed_index [get_property SPEED_INDEX $pip] + lappend items pip $name $speed_index + } + } + + puts $fp "$type $tile $grid_x $grid_y $items" + } + close $fp +} + +create_project +write_data + diff --git a/timfuz/timgrid/top.v b/timfuz/timgrid/top.v new file mode 100644 index 00000000..5fd239b5 --- /dev/null +++ b/timfuz/timgrid/top.v @@ -0,0 +1,49 @@ +//Need at least one LUT per frame base address we want +`define N 100 + +module top(input clk, stb, di, output do); + localparam integer DIN_N = 6; + localparam integer DOUT_N = `N; + + reg [DIN_N-1:0] din; + wire [DOUT_N-1:0] dout; + + reg [DIN_N-1:0] din_shr; + reg [DOUT_N-1:0] dout_shr; + + always @(posedge clk) begin + din_shr <= {din_shr, di}; + dout_shr <= {dout_shr, din_shr[DIN_N-1]}; + if (stb) begin + din <= din_shr; + dout_shr <= dout; + end + end + + assign do = dout_shr[DOUT_N-1]; + + roi roi ( + .clk(clk), + .din(din), + .dout(dout) + ); +endmodule + +module roi(input clk, input [5:0] din, output [`N-1:0] dout); + genvar i; + generate + for (i = 0; i < `N; i = i+1) begin:is + LUT6 #( + .INIT(64'h8000_0000_0000_0001 + (i << 16)) + ) lut ( + .I0(din[0]), + .I1(din[1]), + .I2(din[2]), + .I3(din[3]), + .I4(din[4]), + .I5(din[5]), + .O(dout[i]) + ); + end + endgenerate +endmodule diff --git a/timfuz/timgrid/top_bram.v b/timfuz/timgrid/top_bram.v new file mode 100644 index 00000000..880fd375 --- /dev/null +++ b/timfuz/timgrid/top_bram.v @@ -0,0 +1,62 @@ +`define N 100 + +module top(input clk, stb, di, output do); + localparam integer DIN_N = 8; + localparam integer DOUT_N = `N; + + reg [DIN_N-1:0] din; + wire [DOUT_N-1:0] dout; + + reg [DIN_N-1:0] din_shr; + reg [DOUT_N-1:0] dout_shr; + + always @(posedge clk) begin + din_shr <= {din_shr, di}; + dout_shr <= {dout_shr, din_shr[DIN_N-1]}; + if (stb) begin + din <= din_shr; + dout_shr <= dout; + end + end + + assign do = dout_shr[DOUT_N-1]; + + roi roi ( + .clk(clk), + .din(din), + .dout(dout) + ); +endmodule + +module roi(input clk, input [7:0] din, output [`N-1:0] dout); + genvar i; + generate + for (i = 0; i < `N; i = i+1) begin:is + (* KEEP, DONT_TOUCH *) + RAMB36E1 #(.INIT_00(256'h0000000000000000000000000000000000000000000000000000000000000000)) ram ( + .CLKARDCLK(din[0]), + .CLKBWRCLK(din[1]), + .ENARDEN(din[2]), + .ENBWREN(din[3]), + .REGCEAREGCE(din[4]), + .REGCEB(din[5]), + .RSTRAMARSTRAM(din[6]), + .RSTRAMB(din[7]), + .RSTREGARSTREG(din[0]), + .RSTREGB(din[1]), + .ADDRARDADDR(din[2]), + .ADDRBWRADDR(din[3]), + .DIADI(din[4]), + .DIBDI(din[5]), + .DIPADIP(din[6]), + .DIPBDIP(din[7]), + .WEA(din[0]), + .WEBWE(din[1]), + .DOADO(dout[0]), + .DOBDO(), + .DOPADOP(), + .DOPBDOP()); + end + endgenerate +endmodule + From edbd5f4ca92233a789b39cbf85a2b3872d529774 Mon Sep 17 00:00:00 2001 From: John McMaster Date: Wed, 29 Aug 2018 17:58:56 -0700 Subject: [PATCH 26/55] timfuz: tile annotate. Workflow alpha! Signed-off-by: John McMaster --- timfuz/tile_annotate.py | 64 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 64 insertions(+) create mode 100644 timfuz/tile_annotate.py diff --git a/timfuz/tile_annotate.py b/timfuz/tile_annotate.py new file mode 100644 index 00000000..e294769b --- /dev/null +++ b/timfuz/tile_annotate.py @@ -0,0 +1,64 @@ +#!/usr/bin/env python3 + +from timfuz import loadc_Ads_b, Ads2bounds + +import sys +import os +import time +import json + +# corner wokraround +def quad(x): + return [x for _ in range(4)] + +def run(fnin, fnout, tile_json_fn, verbose=False): + # modified in place + tilej = json.load(open(tile_json_fn, 'r')) + + # FIXME: all corners + Ads, b = loadc_Ads_b([fnin], corner=None, ico=True) + bounds = Ads2bounds(Ads, b) + + pipn_net = 0 + pipn_solved = 0 + wiren_net = 0 + wiren_solved = 0 + + for tile in tilej['tiles'].values(): + pips = tile['pips'] + for k, v in pips.items(): + val = bounds.get('PIP_' + v, None) + pips[k] = quad(val) + pipn_net += 1 + if pips[k]: + pipn_solved += 1 + + wires = tile['wires'] + for k, v in wires.items(): + val = bounds.get('WIRE_' + v, None) + wires[k] = quad(val) + wiren_net += 1 + if wires[k]: + wiren_solved += 1 + + print('Pips: %u / %u solved' % (pipn_solved, pipn_net)) + print('Wires: %u / %u solved' % (wiren_solved, wiren_net)) + + json.dump(tilej, open(fnout, 'w'), sort_keys=True, indent=4, separators=(',', ': ')) + +def main(): + import argparse + + parser = argparse.ArgumentParser( + description= + '' + ) + parser.add_argument('--tile-json', default='tiles.json', help='') + parser.add_argument('fnin', default=None, help='Flattened timing csv') + parser.add_argument('fnout', default=None, help='output tile .json') + args = parser.parse_args() + + run(args.fnin, args.fnout, args.tile_json, verbose=False) + +if __name__ == '__main__': + main() From d96bfd7a8b64d6888d1ff205ba364b6c70e353bd Mon Sep 17 00:00:00 2001 From: John McMaster Date: Mon, 10 Sep 2018 15:54:39 -0700 Subject: [PATCH 27/55] timfuz: cleanup README Signed-off-by: John McMaster --- timfuz/README.md | 288 +++++++++++++++++++++++++++++++++++++++++++++ timfuz/README.txt | 71 ----------- timfuz/checksub.py | 1 + 3 files changed, 289 insertions(+), 71 deletions(-) create mode 100644 timfuz/README.md delete mode 100644 timfuz/README.txt diff --git a/timfuz/README.md b/timfuz/README.md new file mode 100644 index 00000000..ae90a689 --- /dev/null +++ b/timfuz/README.md @@ -0,0 +1,288 @@ +# Timing analysis fuzzer (timfuz) + +WIP: 2018-09-10: this process is just starting together and is going to get significant cleanup. But heres the general idea + +This runs various designs through Vivado and processes the +resulting timing informationin order to create very simple timing models. +While Vivado might have more involved models (say RC delays, fanout, etc), +timfuz creates simple models that bound realistic min and max element delays. + +Currently this document focuses exclusively on fabric timing delays. + + +## Quick start + +TODO: make this into a more formal makefile flow + +``` +# Pre-processing +# Create speed.json +./speed.sh + +# Create csvs +make N=1 +csv=specimen_001/timing3.csv + +# Main workflow +# Discover which variables can be separated +python3 timfuz_rref.py --simplify --out sub.json $csv +# Verify sub.json makes a solvable solution +python3 checksub.py --sub-json sub.json group.csv +# Separate variables +python3 csv_flat2group.py --sub-json sub.json --strict $csv group.csv +# Create a rough timing model that approximately fits the given paths +python3 solve_leastsq.py --sub-json sub.json group.csv --out leastsq.csv +# Tweak rough timing model, making sure all constraints are satisfied +python3 solve_linprog.py --sub-json sub.json --sub-csv leastsq.csv --massage group.csv --out linprog.csv +# Take separated variables and back-annotate them to the original timing variables +python3 csv_group2flat.py --sub-json sub.json --sort linprog.csv flat.csv + +# Final processing +# Create tile.json (where timing models are in tile fabric) +python3 tile_txt2json.py timgrid/specimen_001/tiles.txt tiles.json +# Insert timing delays into actual tile layouts +python3 tile_annotate.py flat.csv tilea.json +``` + + +## Vivado background + +Examples are for a XC750T on Vivado 2017.2. + +TODO maybe move to: https://github.com/SymbiFlow/prjxray/wiki/Timing + + +### Speed index + +Vivado seems to associate each delay model with a "speed index". +The fabric has these in two elements: wires (ie one delay element per tile) and pips. +For example, LUT output node A (ex: CLBLL_L_X12Y100/CLBLL_LL_A) has a single wire, also called CLBLL_L_X12Y100/CLBLL_LL_A. +This has speed index 733. Speed models can be queried and we find this corresponds to model C_CLBLL_LL_A. + +There are various speed model types: +* bel_delay +* buffer +* buffer_switch +* content_version +* functional +* inpin +* outpin +* parameters +* pass_transistor +* switch +* table_lookup +* tl_buffer +* vt_limits +* wire + +IIRC the interconnect is only composed of switch and wire types. + +Indices with value 65535 (0xFFFF) never appear. Presumably these are unused models. +They are used for some special models such as those of type "content_version". +For example, the "xilinx" model is of type "content_version". + +There are also "cost codes", but these seem to be very course (only around 30 of these) +and are suspected to be related more to PnR than timing model. + + +### Timing paths + +The Vivado timing analyzer can easily output the following: +* Full: delay from BEL pin to BEL pin +* Interconnect only (ICO): delay from BEL pin to BEL pin, but only report interconnect delays (ie exclude site delays) + +There is also theoretically an option to report delays up to a specific pip, +but this option is poorly documented and I was unable to get it to work. + +Each timing path reports a fast process and a slow process min and max value. So four process values are reported in total: +* fast_max +* fast_min +* slow_max +* slow_min + +For example, if the device is end of life, was poorly made, and at an extreme temperature, the delay may be up to the slow_max value. +Since ICO can be reported for each of these, fully analyzing a timing path results in 8 values. + +Finally, part of this was analyzing tile regularity to discover what a reasonably compact timing model was. +We verified that all tiles of the same type have exactly the same delay elements. + + + +## Methodology + +Make sure you've read the Vivado background section first + + +### Background + +This section briefly describes some of the mathmatics used by this technique that readers may not be familiar with. +These definitions are intended to be good enough to provide a high level understanding and may not be precise. + +Numerical analysis: the study of algorithms that use numerical approximation (as opposed to general symbolic manipulations) + +numpy: a popular numerical analysis python library. Often written np (import numpy as np). + +scipy: provides higher level functionality on top of numpy + +sympy ("symbolic python"): like numpy, but is designed to work with rational numbers. +For example, python actually stores 0.1 as 0.1000000000000000055511151231257827021181583404541015625. +However, sympy can represent this as the fraction 1/10, eliminating numerical approximation issues. + +Least squares (ex: scipy.optimize.least_squares): approximation method to do a best fit of several variables to a set of equations. +For example, given the equations "x = 1" and "x = 2" there isn't an exact solution. +However, "x = 1.5" is a good compromise since its reasonably solves both equations. + +Linear programming (ex: scipy.optimize.linprog aka linprog): approximation method that finds a set of variables that satisfy a set of inequalities. +For example, + +Reduced row echelon form (RREF, ex: sympy.Matrix.rref): the simplest form that a system of linear equations can be solved to. +For example, given "x = 1" and "x + y = 9", one can solve for "x = 1" and "y = 8". +However, given "x + y = 1" and "x + y + z = 9", there aren't enough variables to solve this fully. +In this case RREF provides a best effort by giving the ratios between correlated variables. +One variable is normalized to 1 in each of these ratios and is called the "pivot". +Note that if numpy.linalg.solve encounters an unsolvable matrix it may either complain +or generate a false solution due to numerical approximation issues. + + +### What didn't work + +First some quick background on things that didn't work to illustrate why the current approach was chosen. +I first tried to directly through things into linprog, but it unfairly weighted towards arbitrary shared variables. For example, feeding in: +* t0 >= 10 +* t0 + t1 >= 100 + +It would declare "t0 = 100", "t1 = 0" instead of the more intuitive "t0 = 10", "t1 = 90". +I tried to work around this in several ways, notably subtracting equations from each other to produce additional constraints. +This worked okay, but was relatively slow and wasn't approaching nearly solved solutions, even when throwing a lot of data at it. + +Next we tried randomly combining a bunch of the equations together and solving them like a regular linear algebra matrix (numpy.linalg.solve). +However, this illustrated that the system was under-constrained. +Further analysis revealed that there are some delay element combinations that simply can't be linearly separated. +This was checked primarily using numpy.linalg.matrix_rank, with some use of numpy.linalg.slogdet. +matrix_rank was preferred over slogdet since its more flexible against non-square matrices. + + +### Process + +Above ultimately led to the idea that we should come up with a set of substitutions that would make the system solvable. This has several advantages: +* Easy to evaluate which variables aren't covered well enough by source data +* Easy to evaluate which variables weren't solved properly (if its fully constrained it should have had a non-zero delay) + +At a high level, the above learnings gave this process: +* Find correlated variables by using RREF (sympy.Matrix.rref) to create variable groups + - Note pivots + - You must input a fractional type (ex: fractions.Fraction, but surprisingly not int) to get exact results, otherwise it seems to fall back to numerical approximation + - This is by far the most computationally expensive step + - Mixing RREF substitutions from one data set to another may not be recommended +* Use RREF result to substitute groups on input data, creating new meta variables, but ultimately reducing the number of columns +* Pick a corner + - Examples assume fast_max, but other corners are applicable with appropriate column and sign changes +* De-duplicate by removing equations that are less constrained + - Ex: if solving for a max corner and given: + - t0 + t1 >= 10 + - t0 + t1 >= 12 + - The first equation is redundant since the second provides a stricter constraint + - This significantly reduces computational time +* Use least squares (scipy.optimize.least_squares) to fit variables near input constraints + - Helps fairly weight delays vs the original input constraints + - Does not guarantee all constraints are met. For example, if this was put in (ignoring these would have been de-duplicated): + - t0 = 10 + - t0 = 12 + - It may decide something like t0 = 11, which means that the second constraint was not satisfied given we actually want t0 >= 12 +* Use linear programming (scipy.optimize.linprog aka linprog) to formally meet all remaining constraints + - Start by filtering out all constraints that are already met. This should eliminate nearly all equations +* Map resulting constraints onto different tile types + - Group delays map onto the group pivot variable, typically setting other elements to 0 (if the processed set is not the one used to create the pivots they may be non-zero) + + +## TODO + +Milestone 1 (MVP) +* DONE +* Provide any process corner with at least some of the fabric + +Milestone 2 +* Provide all four fabric corners +* Simple makefile based flow +* Cleanup/separate fabric input targets + +Milestone 3 +* Create site delay model + +Final +* Investigate ZERO +* Investigate virtual switchboxes +* Compare our vs Xilinx output on random designs + + +### Improve test cases + +Test cases are somewhat random right now. We could make much more targetted cases using custom routing to improve various fanout estimates and such. +Also there are a lot more elements that are not covered. +At a minimum these should be moved to their own directory. + + +### ZERO models + +Background: there are a number of speed models with the name ZERO in them. +These generally seem to be zero delay, although needs more investigation. + +Example: see virtual switchbox item below + +The timing models will probably significantly improve if these are removed. +In the past I was removing them, but decided to keep them in for now in the spirit of being more conservative. + +They include: + * _BSW_CLK_ZERO + * BSW_CLK_ZERO + * _BSW_ZERO + * BSW_ZERO + * _B_ZERO + * B_ZERO + * C_CLK_ZERO + * C_DSP_ZERO + * C_ZERO + * I_ZERO + * _O_ZERO + * O_ZERO + * RC_ZERO + * _R_ZERO + * R_ZERO + + +### Virtual switchboxes + +Background: several low level configuration details are abstracted with virtual configurable elements. +For example, LUT inputs can be rearranged to reduce routing congestion. +However, the LUT configuratioon must be changed to match the switched inputs. +This is handled by the CLBLL_L_INTER switchbox, which doesn't encode any physical configuration bits. +However, this contains PIPs with delay models. + +For example, LUT A, input A1 has node CLBLM_M_A1 coming from pip junction CLBLM_M_A1 has PIP CLBLM_IMUX7->CLBLM_M_A1 +with speed index 659 (R_ZERO). + +This might be further evidence on related issue that ZERO models should probably be removed. + + +### Incporporate fanout + +We could probably significantly improve model granularity by studying delay impact on fanout + + +### Investigate RC delays + +Suspect accuracy could be significantly improved by moving to SPICE based models. But this will take significantly more characterization + + +### Characterize real hardware + +A few people have expressed interest on running tests on real hardware. Will take some thought given we don't have direct access + + +### Review approximation errors + +Ex: one known issue is that the objective function linearly weights small and large delays. +This is only recommended when variables are approximately the same order of magnitude. +For example, carry chain delays are on the order of 7 ps while other delays are 100 ps. +Its very easy to put a large delay on the carry chain while it could have been more appropriately put somewhere else. + diff --git a/timfuz/README.txt b/timfuz/README.txt deleted file mode 100644 index 5d37ec78..00000000 --- a/timfuz/README.txt +++ /dev/null @@ -1,71 +0,0 @@ -Timing analysis fuzzer -This runs some random designs through Vivado and extracts timing information in order to derive timing models -While Vivado has more involved RC (spice?) models incorporating fanout and other things, -for now we are shooting for simple, conservative models with a min and max timing delay - - -******************************************************************************* -Background -******************************************************************************* - -Vivado seems to associate each delay model with a "speed index" -In particular, we are currently looking at pips and wires, each of which have a speed index associated with them -For every timeing path, we record the total delay from one site to another, excluding site delays -(timing analyzer provides an option to make this easy) -We then walk along the path and record all wires and pips in between -These are converted to their associated speed indexes -This gives an equation that a series of speed indexes was given a certain delay value -These equations are then fed into scipy.optimize.linprog to give estimates for the delay models - -However, there are some complications. For example: -Given a system of equations like: -t0 = 5 -t0 + t1 = 10 -t0 + t1 + t2 = 12 -The solver puts all the delays in t0 -To get around this, we subtract equations from each other - -Some additional info here: https://github.com/SymbiFlow/prjxray/wiki/Timing - - -******************************************************************************* -Quick start -******************************************************************************* - -./speed.sh -python timfuz_delay.py --cols-max 9 timfuz_dat/s1_timing2.txt -Which will report something like -Delay on 36 / 162 - -Now add some more data in: -python timfuz_delay.py --cols-max 9 timfuz_dat/speed_json.json timfuz_dat/s*_timing2.txt -Which should get a few more delay elements, say: -Delay on 57 / 185 - - -******************************************************************************* -From scratch -******************************************************************************* - -Roughly something like this -Edit generate.tcl -Uncomment speed_models2 -Run "make N=1" -python speed_json.py specimen_001/speed_model.txt speed_json.json -Edit generate.tcl -Comment speed_models2 -Run "make N=4" to generate some more timing data -Now run as in the quick start -python timfuz_delay.py --cols-max 9 speed_json.json specimen_*/timing2.txt - - -******************************************************************************* -TODO: -******************************************************************************* - -Verify elements are being imported correctly throughout the whole chain -Can any wires or similar be aggregated? - Ex: if a node consisents of two wire delay models and that pair is never seen elsewhere -Look at virtual switchboxes. Can these be removed? -Look at suspicous elements like WIRE_RC_ZERO - diff --git a/timfuz/checksub.py b/timfuz/checksub.py index f91fb38e..213fcb33 100644 --- a/timfuz/checksub.py +++ b/timfuz/checksub.py @@ -90,6 +90,7 @@ def run(fns_in, sub_json=None, verbose=False): print # https://docs.scipy.org/doc/numpy-dev/reference/generated/numpy.linalg.matrix_rank.html print('rank: %s / %d col' % (np.linalg.matrix_rank(Amat), len(names))) + # doesn't work on non-square matrices if 0: # https://docs.scipy.org/doc/numpy-1.14.0/reference/generated/numpy.linalg.slogdet.html sign, logdet = np.linalg.slogdet(Amat) From 5d8d0b22d8fdb14f762eaeb2116e36b13d7187a7 Mon Sep 17 00:00:00 2001 From: John McMaster Date: Mon, 10 Sep 2018 15:57:13 -0700 Subject: [PATCH 28/55] timfuz: moving to fuzzers dir Signed-off-by: John McMaster --- {timfuz => fuzzers/007-timing}/.gitignore | 0 {timfuz => fuzzers/007-timing}/Makefile | 0 {timfuz => fuzzers/007-timing}/README.md | 0 {timfuz => 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timfuz/placelut_ff_fb.py rename to fuzzers/007-timing/placelut_ff_fb.py diff --git a/timfuz/rref.py b/fuzzers/007-timing/rref.py similarity index 100% rename from timfuz/rref.py rename to fuzzers/007-timing/rref.py diff --git a/timfuz/solve_leastsq.py b/fuzzers/007-timing/solve_leastsq.py similarity index 100% rename from timfuz/solve_leastsq.py rename to fuzzers/007-timing/solve_leastsq.py diff --git a/timfuz/solve_linprog.py b/fuzzers/007-timing/solve_linprog.py similarity index 100% rename from timfuz/solve_linprog.py rename to fuzzers/007-timing/solve_linprog.py diff --git a/timfuz/speed.sh b/fuzzers/007-timing/speed.sh similarity index 100% rename from timfuz/speed.sh rename to fuzzers/007-timing/speed.sh diff --git a/timfuz/speed.tcl b/fuzzers/007-timing/speed.tcl similarity index 100% rename from timfuz/speed.tcl rename to fuzzers/007-timing/speed.tcl diff --git a/timfuz/speed_json.py b/fuzzers/007-timing/speed_json.py similarity index 100% rename from timfuz/speed_json.py rename to fuzzers/007-timing/speed_json.py diff --git a/timfuz/sub2csv.py b/fuzzers/007-timing/sub2csv.py similarity index 100% rename from timfuz/sub2csv.py rename to fuzzers/007-timing/sub2csv.py diff --git a/timfuz/tile_annotate.py b/fuzzers/007-timing/tile_annotate.py similarity index 100% rename from timfuz/tile_annotate.py rename to fuzzers/007-timing/tile_annotate.py diff --git a/timfuz/tile_txt2json.py b/fuzzers/007-timing/tile_txt2json.py similarity index 100% rename from timfuz/tile_txt2json.py rename to fuzzers/007-timing/tile_txt2json.py diff --git a/timfuz/timfuz.py b/fuzzers/007-timing/timfuz.py similarity index 100% rename from timfuz/timfuz.py rename to fuzzers/007-timing/timfuz.py diff --git a/timfuz/timfuz_csv.py b/fuzzers/007-timing/timfuz_csv.py similarity index 100% rename from timfuz/timfuz_csv.py rename to fuzzers/007-timing/timfuz_csv.py diff --git a/timfuz/timfuz_massage.py b/fuzzers/007-timing/timfuz_massage.py similarity index 100% rename from timfuz/timfuz_massage.py rename to fuzzers/007-timing/timfuz_massage.py diff --git a/timfuz/timfuz_solve.py b/fuzzers/007-timing/timfuz_solve.py similarity index 100% rename from timfuz/timfuz_solve.py rename to fuzzers/007-timing/timfuz_solve.py diff --git a/timfuz/timgrid/Makefile b/fuzzers/007-timing/timgrid/Makefile similarity index 100% rename from timfuz/timgrid/Makefile rename to fuzzers/007-timing/timgrid/Makefile diff --git a/timfuz/timgrid/generate.sh b/fuzzers/007-timing/timgrid/generate.sh similarity index 100% rename from timfuz/timgrid/generate.sh rename to fuzzers/007-timing/timgrid/generate.sh diff --git a/timfuz/timgrid/generate.tcl b/fuzzers/007-timing/timgrid/generate.tcl similarity index 100% rename from timfuz/timgrid/generate.tcl rename to fuzzers/007-timing/timgrid/generate.tcl diff --git a/timfuz/timgrid/top.v b/fuzzers/007-timing/timgrid/top.v similarity index 100% rename from timfuz/timgrid/top.v rename to fuzzers/007-timing/timgrid/top.v diff --git a/timfuz/timgrid/top_bram.v b/fuzzers/007-timing/timgrid/top_bram.v similarity index 100% rename from timfuz/timgrid/top_bram.v rename to fuzzers/007-timing/timgrid/top_bram.v diff --git a/timfuz/top.v b/fuzzers/007-timing/top.v similarity index 100% rename from timfuz/top.v rename to fuzzers/007-timing/top.v diff --git a/timfuz/wire_unique.py b/fuzzers/007-timing/wire_unique.py similarity index 100% rename from timfuz/wire_unique.py rename to fuzzers/007-timing/wire_unique.py From 943ab5bbb7d1ea1ab6ea4a7d6f98f0522dd4c32c Mon Sep 17 00:00:00 2001 From: John McMaster Date: Tue, 11 Sep 2018 11:51:11 -0700 Subject: [PATCH 29/55] timfuz: placelut as standalone data generator Signed-off-by: John McMaster --- fuzzers/007-timing/Makefile | 22 -- fuzzers/007-timing/generate.sh | 9 - fuzzers/007-timing/generate.tcl | 279 ------------------ .../{ => projects/oneblinkw}/oneblinkw.v | 0 .../007-timing/{ => projects/picorv32}/top.v | 0 fuzzers/007-timing/projects/placelut/Makefile | 52 ++++ .../placelut/generate.py} | 2 +- .../007-timing/projects/placelut/generate.sh | 11 + .../007-timing/projects/placelut/generate.tcl | 47 +++ .../{ => projects/placelut_fb}/placelut_fb.py | 0 .../placelut_ff_fb}/placelut_ff_fb.py | 0 fuzzers/007-timing/speed.sh | 8 - fuzzers/007-timing/speed/.gitignore | 2 + fuzzers/007-timing/speed/Makefile | 12 + fuzzers/007-timing/speed/README.md | 4 + .../{speed.tcl => speed/generate.tcl} | 19 +- fuzzers/007-timing/{ => speed}/speed_json.py | 0 fuzzers/007-timing/speed/top.v | 8 + fuzzers/007-timing/{ => src}/picorv32.v | 0 fuzzers/007-timing/timgrid/.gitignore | 1 + fuzzers/007-timing/timgrid/Makefile | 28 +- fuzzers/007-timing/timgrid/generate.tcl | 6 +- .../007-timing/{ => timgrid}/tile_txt2json.py | 2 +- .../{timfuz_csv.py => timing_txt2csv.py} | 2 +- 24 files changed, 155 insertions(+), 359 deletions(-) delete mode 100644 fuzzers/007-timing/Makefile delete mode 100755 fuzzers/007-timing/generate.sh delete mode 100644 fuzzers/007-timing/generate.tcl rename fuzzers/007-timing/{ => projects/oneblinkw}/oneblinkw.v (100%) rename fuzzers/007-timing/{ => projects/picorv32}/top.v (100%) create mode 100644 fuzzers/007-timing/projects/placelut/Makefile rename fuzzers/007-timing/{placelut.py => projects/placelut/generate.py} (98%) create mode 100755 fuzzers/007-timing/projects/placelut/generate.sh create mode 100644 fuzzers/007-timing/projects/placelut/generate.tcl rename fuzzers/007-timing/{ => projects/placelut_fb}/placelut_fb.py (100%) rename fuzzers/007-timing/{ => projects/placelut_ff_fb}/placelut_ff_fb.py (100%) delete mode 100755 fuzzers/007-timing/speed.sh create mode 100644 fuzzers/007-timing/speed/.gitignore create mode 100644 fuzzers/007-timing/speed/Makefile create mode 100644 fuzzers/007-timing/speed/README.md rename fuzzers/007-timing/{speed.tcl => speed/generate.tcl} (90%) rename fuzzers/007-timing/{ => speed}/speed_json.py (100%) create mode 100644 fuzzers/007-timing/speed/top.v rename fuzzers/007-timing/{ => src}/picorv32.v (100%) create mode 100644 fuzzers/007-timing/timgrid/.gitignore rename fuzzers/007-timing/{ => timgrid}/tile_txt2json.py (96%) rename fuzzers/007-timing/{timfuz_csv.py => timing_txt2csv.py} (99%) diff --git a/fuzzers/007-timing/Makefile b/fuzzers/007-timing/Makefile deleted file mode 100644 index 8da96c3f..00000000 --- a/fuzzers/007-timing/Makefile +++ /dev/null @@ -1,22 +0,0 @@ -N := 1 -SPECIMENS := $(addprefix specimen_,$(shell seq -f '%03.0f' $(N))) -SPECIMENS_OK := $(addsuffix /OK,$(SPECIMENS)) - -all: $(SPECIMENS_OK) - #python timfuz.py specimen_*/timing.txt - -$(SPECIMENS_OK): - bash generate.sh $(subst /OK,,$@) - touch $@ - -run: - $(MAKE) clean - $(MAKE) all - touch run.ok - -clean: - rm -rf specimen_[0-9][0-9][0-9]/ seg_clblx.segbits __pycache__ run.ok - rm -rf vivado*.log vivado_*.str vivado*.jou design *.bits *.dcp *.bit - -.PHONY: database pushdb run clean - diff --git a/fuzzers/007-timing/generate.sh b/fuzzers/007-timing/generate.sh deleted file mode 100755 index eebd0388..00000000 --- a/fuzzers/007-timing/generate.sh +++ /dev/null @@ -1,9 +0,0 @@ -#!/bin/bash - -set -ex - -source ${XRAY_GENHEADER} - -python ../placelut_ff_fb.py --sdx 4 --sdy 4 >placelut.v -vivado -mode batch -source ../generate.tcl - diff --git a/fuzzers/007-timing/generate.tcl b/fuzzers/007-timing/generate.tcl deleted file mode 100644 index a2e76c71..00000000 --- a/fuzzers/007-timing/generate.tcl +++ /dev/null @@ -1,279 +0,0 @@ -source ../../../utils/utils.tcl - -proc pin_info {pin} { - set cell [get_cells -of_objects $pin] - set bel [get_bels -of_objects $cell] - set site [get_sites -of_objects $bel] - return "$site $bel" -} - -proc pin_bel {pin} { - set cell [get_cells -of_objects $pin] - set bel [get_bels -of_objects $cell] - return $bel -} - -proc build_design {} { - create_project -force -part $::env(XRAY_PART) design design - #read_verilog ../top.v - #read_verilog ../picorv32.v - #read_verilog ../oneblinkw.v - read_verilog placelut.v - synth_design -top top - - puts "Locking pins" - set_property LOCK_PINS {I0:A1 I1:A2 I2:A3 I3:A4 I4:A5 I5:A6} \ - [get_cells -quiet -filter {REF_NAME == LUT6} -hierarchical] - - puts "Package stuff" - set_property -dict "PACKAGE_PIN $::env(XRAY_PIN_00) IOSTANDARD LVCMOS33" [get_ports clk] - set_property -dict "PACKAGE_PIN $::env(XRAY_PIN_01) IOSTANDARD LVCMOS33" [get_ports stb] - set_property -dict "PACKAGE_PIN $::env(XRAY_PIN_02) IOSTANDARD LVCMOS33" [get_ports di] - set_property -dict "PACKAGE_PIN $::env(XRAY_PIN_03) IOSTANDARD LVCMOS33" [get_ports do] - - if {0 < 0} { - puts "pblocking" - create_pblock roi - set roipb [get_pblocks roi] - set_property EXCLUDE_PLACEMENT 1 $roipb - add_cells_to_pblock $roipb [get_cells roi] - resize_pblock $roipb -add "$::env(XRAY_ROI)" - - puts "randplace" - randplace_pblock 150 $roipb - } - - set_property CFGBVS VCCO [current_design] - set_property CONFIG_VOLTAGE 3.3 [current_design] - set_property BITSTREAM.GENERAL.PERFRAMECRC YES [current_design] - - puts "dedicated route" - set_property CLOCK_DEDICATED_ROUTE FALSE [get_nets clk_IBUF] - - place_design - - - route_design - - write_checkpoint -force design.dcp - # disable combinitorial loop - # set_property IS_ENABLED 0 [get_drc_checks {LUTLP-1}] - #write_bitstream -force design.bit -} - -# Changed to group wires and nodes -# This allows tracing the full path along with pips -proc write_info3 {} { - set outdir "." - set fp [open "$outdir/timing3.txt" w] - # bel as site/bel, so don't bother with site - puts $fp "net src_bel dst_bel ico fast_max fast_min slow_max slow_min pips inodes wires" - - set TIME_start [clock clicks -milliseconds] - set verbose 0 - set equations 0 - set site_src_nets 0 - set site_dst_nets 0 - set neti 0 - set nets [get_nets -hierarchical] - set nnets [llength $nets] - foreach net $nets { - incr neti - #if {$neti >= 10} { - # puts "Debug break" - # break - #} - - puts "Net $neti / $nnets: $net" - # The semantics of get_pins -leaf is kind of odd - # When no passthrough LUTs exist, it has no effect - # When passthrough LUT present: - # -w/o -leaf: some pins + passthrough LUT pins - # -w/ -leaf: different pins + passthrough LUT pins - # With OUT filter this seems to be sufficient - set src_pin [get_pins -leaf -filter {DIRECTION == OUT} -of_objects $net] - set src_bel [pin_bel $src_pin] - set src_site [get_sites -of_objects $src_bel] - # Only one net driver - set src_site_pins [get_site_pins -filter {DIRECTION == OUT} -of_objects $net] - - # Sometimes this is empty for reasons that escape me - # Emitting direction doesn't help - if {[llength $src_site_pins] < 1} { - if $verbose { - puts " Ignoring site internal net" - } - incr site_src_nets - continue - } - set dst_site_pins_net [get_site_pins -filter {DIRECTION == IN} -of_objects $net] - if {[llength $dst_site_pins_net] < 1} { - puts " Skipping site internal source net" - incr site_dst_nets - continue - } - foreach src_site_pin $src_site_pins { - if $verbose { - puts "Source: $src_pin at site $src_site:$src_bel, spin $src_site_pin" - } - - # Run with and without interconnect only - foreach ico "0 1" { - set ico_flag "" - if $ico { - set ico_flag "-interconnect_only" - set delays [get_net_delays $ico_flag -of_objects $net] - } else { - set delays [get_net_delays -of_objects $net] - } - foreach delay $delays { - set delaystr [get_property NAME $delay] - set dst_pins [get_property TO_PIN $delay] - set dst_pin [get_pins $dst_pins] - #puts " $delaystr: $src_pin => $dst_pin" - set dst_bel [pin_bel $dst_pin] - set dst_site [get_sites -of_objects $dst_bel] - if $verbose { - puts " Dest: $dst_pin at site $dst_site:$dst_bel" - } - - set dst_site_pins [get_site_pins -of_objects $dst_pin] - # Some nets are internal - # But should this happen on dest if we've already filtered source? - if {"$dst_site_pins" eq ""} { - continue - } - # Also apparantly you can have multiple of these as well - foreach dst_site_pin $dst_site_pins { - set fast_max [get_property "FAST_MAX" $delay] - set fast_min [get_property "FAST_MIN" $delay] - set slow_max [get_property "SLOW_MAX" $delay] - set slow_min [get_property "SLOW_MIN" $delay] - - # Want: - # Site / BEL at src - # Site / BEL at dst - # Pips in between - # Walk net, looking for interesting elements in between - set pips [get_pips -of_objects $net -from $src_site_pin -to $dst_site_pin] - if $verbose { - foreach pip $pips { - puts " PIP $pip" - } - } - set nodes [get_nodes -of_objects $net -from $src_site_pin -to $dst_site_pin] - #set wires [get_wires -of_objects $net -from $src_site_pin -to $dst_site_pin] - set wires [get_wires -of_objects $nodes] - - # puts $fp "$net $src_bel $dst_bel $ico $fast_max $fast_min $slow_max $slow_min $pips" - puts -nonewline $fp "$net $src_bel $dst_bel $ico $fast_max $fast_min $slow_max $slow_min" - - # Write pips w/ speed index - puts -nonewline $fp " " - set needspace 0 - foreach pip $pips { - if $needspace { - puts -nonewline $fp "|" - } - set speed_index [get_property SPEED_INDEX $pip] - puts -nonewline $fp "$pip:$speed_index" - set needspace 1 - } - - # Write nodes - #set nodes_str [string map {" " "|"} $nodes] - #puts -nonewline $fp " $nodes_str" - puts -nonewline $fp " " - set needspace 0 - foreach node $nodes { - if $needspace { - puts -nonewline $fp "|" - } - set nwires [llength [get_wires -of_objects $node]] - puts -nonewline $fp "$node:$nwires" - set needspace 1 - } - - # Write wires - puts -nonewline $fp " " - set needspace 0 - foreach wire $wires { - if $needspace { - puts -nonewline $fp "|" - } - set speed_index [get_property SPEED_INDEX $wire] - puts -nonewline $fp "$wire:$speed_index" - set needspace 1 - } - - puts $fp "" - - incr equations - break - } - } - } - } - } - close $fp - set TIME_taken [expr [clock clicks -milliseconds] - $TIME_start] - puts "Took ms: $TIME_taken" - puts "Generated $equations equations" - puts "Skipped $site_src_nets (+ $site_dst_nets) site nets" -} - -proc pips_all {} { - set outdir "." - set fp [open "$outdir/pip_all.txt" w] - set items [get_pips] - puts "Items: [llength $items]" - - set needspace 0 - set properties [list_property [lindex $items 0]] - foreach item $items { - set needspace 0 - foreach property $properties { - set val [get_property $property $item] - if {"$val" ne ""} { - if $needspace { - puts -nonewline $fp " " - } - puts -nonewline $fp "$property:$val" - set needspace 1 - } - } - puts $fp "" - } - close $fp -} -proc wires_all {} { - set outdir "." - set fp [open "$outdir/wire_all.txt" w] - set items [get_wires] - puts "Items: [llength $items]" - - set needspace 0 - set properties [list_property [lindex $items 0]] - foreach item $items { - set needspace 0 - foreach property $properties { - set val [get_property $property $item] - if {"$val" ne ""} { - if $needspace { - puts -nonewline $fp " " - } - puts -nonewline $fp "$property:$val" - set needspace 1 - } - } - puts $fp "" - } - close $fp -} - -build_design -#write_info2 -write_info3 -#wires_all -#pips_all - diff --git a/fuzzers/007-timing/oneblinkw.v b/fuzzers/007-timing/projects/oneblinkw/oneblinkw.v similarity index 100% rename from fuzzers/007-timing/oneblinkw.v rename to fuzzers/007-timing/projects/oneblinkw/oneblinkw.v diff --git a/fuzzers/007-timing/top.v b/fuzzers/007-timing/projects/picorv32/top.v similarity index 100% rename from fuzzers/007-timing/top.v rename to fuzzers/007-timing/projects/picorv32/top.v diff --git a/fuzzers/007-timing/projects/placelut/Makefile b/fuzzers/007-timing/projects/placelut/Makefile new file mode 100644 index 00000000..df00e979 --- /dev/null +++ b/fuzzers/007-timing/projects/placelut/Makefile @@ -0,0 +1,52 @@ +N := 1 +SPECIMENS := $(addprefix specimen_,$(shell seq -f '%03.0f' $(N))) +SPECIMENS_OK := $(addsuffix /OK,$(SPECIMENS)) +CSVS := $(addsuffix /timing3.csv,$(SPECIMENS)) +TIMFUZ_DIR=$(XRAY_DIR)/fuzzers/007-timing + +all: tilea.json + +$(SPECIMENS_OK): + bash generate.sh $(subst /OK,,$@) + touch $@ + +run: + $(MAKE) clean + $(MAKE) all + touch run.ok + +clean: + rm -rf specimen_[0-9][0-9][0-9]/ seg_clblx.segbits __pycache__ run.ok + rm -rf vivado*.log vivado_*.str vivado*.jou design *.bits *.dcp *.bit + rm -rf build + +.PHONY: database pushdb run clean + +sub.json: $(SPECIMENS_OK) + # Discover which variables can be separated + # This is typically the longest running operation + python3 $(TIMFUZ_DIR)/rref.py --simplify --out sub.json $(CSVS) + +grouped.csv: $(SPECIMENS_OK) sub.json + # Separate variables + python3 $(TIMFUZ_DIR)/csv_flat2group.py --sub-json sub.json --strict $(CSVS) grouped.csv + # Verify sub.json makes a solvable solution + # python3 $(TIMFUZ_DIR)/checksub.py --sub-json sub.json grouped.csv + +leastsq.csv: sub.json grouped.csv + # Create a rough timing model that approximately fits the given paths + python3 $(TIMFUZ_DIR)/solve_leastsq.py --sub-json sub.json grouped.csv --out leastsq.csv + +linprog.csv: leastsq.csv grouped.csv + # Tweak rough timing model, making sure all constraints are satisfied + python3 $(TIMFUZ_DIR)/solve_linprog.py --sub-json sub.json --sub-csv leastsq.csv --massage grouped.csv --out linprog.csv + +flat.csv: linprog.csv + # Take separated variables and back-annotate them to the original timing variables + python3 $(TIMFUZ_DIR)/csv_group2flat.py --sub-json sub.json --sort linprog.csv flat.csv + +tilea.json: flat.csv + # Final processing + # Insert timing delays into actual tile layouts + python3 $(TIMFUZ_DIR)/tile_annotate.py --tile-json $(TIMFUZ_DIR)/timgrid/build/timgrid.json flat.csv tilea.json + diff --git a/fuzzers/007-timing/placelut.py b/fuzzers/007-timing/projects/placelut/generate.py similarity index 98% rename from fuzzers/007-timing/placelut.py rename to fuzzers/007-timing/projects/placelut/generate.py index 47dd9e3c..a56d4c55 100644 --- a/fuzzers/007-timing/placelut.py +++ b/fuzzers/007-timing/projects/placelut/generate.py @@ -25,7 +25,7 @@ nlut = 4 * SDX * SDY nin = 6 * nlut nout = nlut -print('placelut simple') +print('//placelut simple') print('//SBASE: %s' % (SBASE,)) print('//SDX: %s' % (SDX,)) print('//SDY: %s' % (SDX,)) diff --git a/fuzzers/007-timing/projects/placelut/generate.sh b/fuzzers/007-timing/projects/placelut/generate.sh new file mode 100755 index 00000000..fff71d31 --- /dev/null +++ b/fuzzers/007-timing/projects/placelut/generate.sh @@ -0,0 +1,11 @@ +#!/bin/bash + +set -ex + +source ${XRAY_GENHEADER} +TIMFUZ_DIR=$XRAY_DIR/fuzzers/007-timing + +python ../generate.py --sdx 4 --sdy 4 >top.v +vivado -mode batch -source ../generate.tcl +python3 $TIMFUZ_DIR/timing_txt2csv.py --speed-json $TIMFUZ_DIR/speed/build/speed.json --out timing3.csv timing3.txt + diff --git a/fuzzers/007-timing/projects/placelut/generate.tcl b/fuzzers/007-timing/projects/placelut/generate.tcl new file mode 100644 index 00000000..0b536169 --- /dev/null +++ b/fuzzers/007-timing/projects/placelut/generate.tcl @@ -0,0 +1,47 @@ +source ../../../../../utils/utils.tcl +source ../../project.tcl + +proc build_design {} { + create_project -force -part $::env(XRAY_PART) design design + read_verilog top.v + synth_design -top top + + puts "Locking pins" + set_property LOCK_PINS {I0:A1 I1:A2 I2:A3 I3:A4 I4:A5 I5:A6} \ + [get_cells -quiet -filter {REF_NAME == LUT6} -hierarchical] + + puts "Package stuff" + set_property -dict "PACKAGE_PIN $::env(XRAY_PIN_00) IOSTANDARD LVCMOS33" [get_ports clk] + set_property -dict "PACKAGE_PIN $::env(XRAY_PIN_01) IOSTANDARD LVCMOS33" [get_ports stb] + set_property -dict "PACKAGE_PIN $::env(XRAY_PIN_02) IOSTANDARD LVCMOS33" [get_ports di] + set_property -dict "PACKAGE_PIN $::env(XRAY_PIN_03) IOSTANDARD LVCMOS33" [get_ports do] + + puts "pblocking" + create_pblock roi + set roipb [get_pblocks roi] + set_property EXCLUDE_PLACEMENT 1 $roipb + add_cells_to_pblock $roipb [get_cells roi] + resize_pblock $roipb -add "$::env(XRAY_ROI)" + + puts "randplace" + randplace_pblock 50 roi + + set_property CFGBVS VCCO [current_design] + set_property CONFIG_VOLTAGE 3.3 [current_design] + set_property BITSTREAM.GENERAL.PERFRAMECRC YES [current_design] + + puts "dedicated route" + set_property CLOCK_DEDICATED_ROUTE FALSE [get_nets clk_IBUF] + + place_design + route_design + + write_checkpoint -force design.dcp + # disable combinitorial loop + # set_property IS_ENABLED 0 [get_drc_checks {LUTLP-1}] + #write_bitstream -force design.bit +} + +build_design +write_info3 + diff --git a/fuzzers/007-timing/placelut_fb.py b/fuzzers/007-timing/projects/placelut_fb/placelut_fb.py similarity index 100% rename from fuzzers/007-timing/placelut_fb.py rename to fuzzers/007-timing/projects/placelut_fb/placelut_fb.py diff --git a/fuzzers/007-timing/placelut_ff_fb.py b/fuzzers/007-timing/projects/placelut_ff_fb/placelut_ff_fb.py similarity index 100% rename from fuzzers/007-timing/placelut_ff_fb.py rename to fuzzers/007-timing/projects/placelut_ff_fb/placelut_ff_fb.py diff --git a/fuzzers/007-timing/speed.sh b/fuzzers/007-timing/speed.sh deleted file mode 100755 index 0712c64f..00000000 --- a/fuzzers/007-timing/speed.sh +++ /dev/null @@ -1,8 +0,0 @@ -#!/usr/bin/env bash -set -ex - -mkdir -p build_speed -cd build_speed -vivado -mode batch -source ../speed.tcl -python ../speed_json.py speed_model.txt node.txt speed.json - diff --git a/fuzzers/007-timing/speed/.gitignore b/fuzzers/007-timing/speed/.gitignore new file mode 100644 index 00000000..9ef96044 --- /dev/null +++ b/fuzzers/007-timing/speed/.gitignore @@ -0,0 +1,2 @@ +build + diff --git a/fuzzers/007-timing/speed/Makefile b/fuzzers/007-timing/speed/Makefile new file mode 100644 index 00000000..e2b7a520 --- /dev/null +++ b/fuzzers/007-timing/speed/Makefile @@ -0,0 +1,12 @@ +all: build/speed.json + +build/node.txt: speed_json.py generate.tcl + mkdir -p build + cd build && vivado -mode batch -source ../generate.tcl + +build/speed.json: build/node.txt + cd build && python ../speed_json.py speed_model.txt node.txt speed.json + +clean: + rm -rf build + diff --git a/fuzzers/007-timing/speed/README.md b/fuzzers/007-timing/speed/README.md new file mode 100644 index 00000000..a10f335d --- /dev/null +++ b/fuzzers/007-timing/speed/README.md @@ -0,0 +1,4 @@ +Generates speed.json, describing speed index to string translation. +These indices appear to be fixed between runtimes. +It is unknown how stable they are across versions. + diff --git a/fuzzers/007-timing/speed.tcl b/fuzzers/007-timing/speed/generate.tcl similarity index 90% rename from fuzzers/007-timing/speed.tcl rename to fuzzers/007-timing/speed/generate.tcl index 31f8b857..cf423e65 100644 --- a/fuzzers/007-timing/speed.tcl +++ b/fuzzers/007-timing/speed/generate.tcl @@ -1,5 +1,3 @@ -source ../../../utils/utils.tcl - proc pin_info {pin} { set cell [get_cells -of_objects $pin] set bel [get_bels -of_objects $cell] @@ -16,24 +14,17 @@ proc pin_bel {pin} { proc build_design_full {} { create_project -force -part $::env(XRAY_PART) design design read_verilog ../top.v - read_verilog ../picorv32.v + read_verilog ../../src/picorv32.v synth_design -top top - set_property LOCK_PINS {I0:A1 I1:A2 I2:A3 I3:A4 I4:A5 I5:A6} \ - [get_cells -quiet -filter {REF_NAME == LUT6} -hierarchical] + #set_property LOCK_PINS {I0:A1 I1:A2 I2:A3 I3:A4 I4:A5 I5:A6} \ + # [get_cells -quiet -filter {REF_NAME == LUT6} -hierarchical] set_property -dict "PACKAGE_PIN $::env(XRAY_PIN_00) IOSTANDARD LVCMOS33" [get_ports clk] set_property -dict "PACKAGE_PIN $::env(XRAY_PIN_01) IOSTANDARD LVCMOS33" [get_ports stb] set_property -dict "PACKAGE_PIN $::env(XRAY_PIN_02) IOSTANDARD LVCMOS33" [get_ports di] set_property -dict "PACKAGE_PIN $::env(XRAY_PIN_03) IOSTANDARD LVCMOS33" [get_ports do] - create_pblock roi - set roipb [get_pblocks roi] - set_property EXCLUDE_PLACEMENT 1 $roipb - add_cells_to_pblock $roipb [get_cells roi] - resize_pblock $roipb -add "$::env(XRAY_ROI)" - - randplace_pblock 150 $roipb set_property CFGBVS VCCO [current_design] set_property CONFIG_VOLTAGE 3.3 [current_design] set_property BITSTREAM.GENERAL.PERFRAMECRC YES [current_design] @@ -145,7 +136,7 @@ proc nodes_unique_cc {} { set outdir "." set fp [open "$outdir/node.txt" w] set items [get_nodes] - puts "Items: [llength $items]" + puts "Computing cost codes with [llength $items] items" set needspace 0 set properties [list_property [lindex $items 0]] @@ -157,7 +148,7 @@ proc nodes_unique_cc {} { if {[ dict exists $cost_codes_known $cost_code ]} { continue } - puts "Adding $cost_code @ item $itemi" + puts " Adding cost code $cost_code @ item $itemi" dict set cost_codes_known $cost_code 1 set needspace 0 diff --git a/fuzzers/007-timing/speed_json.py b/fuzzers/007-timing/speed/speed_json.py similarity index 100% rename from fuzzers/007-timing/speed_json.py rename to fuzzers/007-timing/speed/speed_json.py diff --git a/fuzzers/007-timing/speed/top.v b/fuzzers/007-timing/speed/top.v new file mode 100644 index 00000000..cf662548 --- /dev/null +++ b/fuzzers/007-timing/speed/top.v @@ -0,0 +1,8 @@ +module top(input clk, stb, di, output do); + reg dor; + always @(posedge clk) begin + dor <= stb & di; + end + assign do = dor; +endmodule + diff --git a/fuzzers/007-timing/picorv32.v b/fuzzers/007-timing/src/picorv32.v similarity index 100% rename from fuzzers/007-timing/picorv32.v rename to fuzzers/007-timing/src/picorv32.v diff --git a/fuzzers/007-timing/timgrid/.gitignore b/fuzzers/007-timing/timgrid/.gitignore new file mode 100644 index 00000000..378eac25 --- /dev/null +++ b/fuzzers/007-timing/timgrid/.gitignore @@ -0,0 +1 @@ +build diff --git a/fuzzers/007-timing/timgrid/Makefile b/fuzzers/007-timing/timgrid/Makefile index c59f83bf..af0a72da 100644 --- a/fuzzers/007-timing/timgrid/Makefile +++ b/fuzzers/007-timing/timgrid/Makefile @@ -1,26 +1,12 @@ +all: build/timgrid.json -N := 1 -SPECIMENS := $(addprefix specimen_,$(shell seq -f '%03.0f' $(N))) -SPECIMENS_OK := $(addsuffix /OK,$(SPECIMENS)) +build/timgrid.txt: generate.tcl + mkdir -p build + cd build && vivado -mode batch -source ../generate.tcl -database: $(SPECIMENS_OK) - cp specimen_001/tilegrid.json tilegrid.json - -pushdb: - cp tilegrid.json ${XRAY_DATABASE_DIR}/$(XRAY_DATABASE)/tilegrid.json - -$(SPECIMENS_OK): - bash generate.sh $(subst /OK,,$@) - touch $@ - -run: - $(MAKE) clean - $(MAKE) database - $(MAKE) pushdb - touch run.ok +build/timgrid.json: build/timgrid.txt + cd build && python3 ../tile_txt2json.py --speed-json ../../speed/build/speed.json timgrid.txt timgrid.json clean: - rm -rf specimen_[0-9][0-9][0-9]/ tilegrid.json run.ok - -.PHONY: database pushdb clean run + rm -rf build diff --git a/fuzzers/007-timing/timgrid/generate.tcl b/fuzzers/007-timing/timgrid/generate.tcl index 70a9b030..c7f218bc 100644 --- a/fuzzers/007-timing/timgrid/generate.tcl +++ b/fuzzers/007-timing/timgrid/generate.tcl @@ -1,4 +1,4 @@ -proc create_project {} { +proc build_project {} { if 0 { set grid_min_x -1 set grid_max_x -1 @@ -83,7 +83,7 @@ proc write_data {} { set tiles [get_tiles -filter "GRID_POINT_X >= $grid_min_x && GRID_POINT_X <= $grid_max_x && GRID_POINT_Y >= $grid_min_y && GRID_POINT_Y <= $grid_max_y"] # Write tiles.txt with site metadata - set fp [open "tiles.txt" w] + set fp [open "timgrid.txt" w] foreach tile $tiles { set type [get_property TYPE $tile] set grid_x [get_property GRID_POINT_X $tile] @@ -114,6 +114,6 @@ proc write_data {} { close $fp } -create_project +build_project write_data diff --git a/fuzzers/007-timing/tile_txt2json.py b/fuzzers/007-timing/timgrid/tile_txt2json.py similarity index 96% rename from fuzzers/007-timing/tile_txt2json.py rename to fuzzers/007-timing/timgrid/tile_txt2json.py index 06711f87..b6e410ff 100644 --- a/fuzzers/007-timing/tile_txt2json.py +++ b/fuzzers/007-timing/timgrid/tile_txt2json.py @@ -62,7 +62,7 @@ def main(): description= 'Solve timing solution' ) - parser.add_argument('--speed-json', default='build_speed/speed.json', + parser.add_argument('--speed-json', default='../../speed/build/speed.json', help='Provides speed index to name translation') parser.add_argument('fnin', default=None, help='input tcl output .txt') parser.add_argument('fnout', default=None, help='output .json') diff --git a/fuzzers/007-timing/timfuz_csv.py b/fuzzers/007-timing/timing_txt2csv.py similarity index 99% rename from fuzzers/007-timing/timfuz_csv.py rename to fuzzers/007-timing/timing_txt2csv.py index 97da40e1..51f04f42 100644 --- a/fuzzers/007-timing/timfuz_csv.py +++ b/fuzzers/007-timing/timing_txt2csv.py @@ -1,6 +1,6 @@ #!/usr/bin/env python3 -from timfuz import Benchmark, row_di2ds, A_di2ds +from timfuz import Benchmark, A_di2ds import numpy as np import glob import math From 133ff586e80055aa5391d2ddd6f1b1373eed7fe7 Mon Sep 17 00:00:00 2001 From: John McMaster Date: Tue, 11 Sep 2018 12:02:32 -0700 Subject: [PATCH 30/55] timfuz: move project outputs to build directory Signed-off-by: John McMaster --- fuzzers/007-timing/projects/placelut/Makefile | 29 ++++++++++--------- 1 file changed, 15 insertions(+), 14 deletions(-) diff --git a/fuzzers/007-timing/projects/placelut/Makefile b/fuzzers/007-timing/projects/placelut/Makefile index df00e979..f1e10dc2 100644 --- a/fuzzers/007-timing/projects/placelut/Makefile +++ b/fuzzers/007-timing/projects/placelut/Makefile @@ -4,7 +4,7 @@ SPECIMENS_OK := $(addsuffix /OK,$(SPECIMENS)) CSVS := $(addsuffix /timing3.csv,$(SPECIMENS)) TIMFUZ_DIR=$(XRAY_DIR)/fuzzers/007-timing -all: tilea.json +all: build/tilea.json $(SPECIMENS_OK): bash generate.sh $(subst /OK,,$@) @@ -22,31 +22,32 @@ clean: .PHONY: database pushdb run clean -sub.json: $(SPECIMENS_OK) +build/sub.json: $(SPECIMENS_OK) + mkdir -p build # Discover which variables can be separated # This is typically the longest running operation - python3 $(TIMFUZ_DIR)/rref.py --simplify --out sub.json $(CSVS) + python3 $(TIMFUZ_DIR)/rref.py --simplify --out build/sub.json $(CSVS) -grouped.csv: $(SPECIMENS_OK) sub.json +build/grouped.csv: $(SPECIMENS_OK) build/sub.json # Separate variables - python3 $(TIMFUZ_DIR)/csv_flat2group.py --sub-json sub.json --strict $(CSVS) grouped.csv + python3 $(TIMFUZ_DIR)/csv_flat2group.py --sub-json build/sub.json --strict $(CSVS) build/grouped.csv # Verify sub.json makes a solvable solution - # python3 $(TIMFUZ_DIR)/checksub.py --sub-json sub.json grouped.csv + # python3 $(TIMFUZ_DIR)/checksub.py --sub-json build/sub.json grouped.csv -leastsq.csv: sub.json grouped.csv +build/leastsq.csv: build/sub.json build/grouped.csv # Create a rough timing model that approximately fits the given paths - python3 $(TIMFUZ_DIR)/solve_leastsq.py --sub-json sub.json grouped.csv --out leastsq.csv + python3 $(TIMFUZ_DIR)/solve_leastsq.py --sub-json build/sub.json build/grouped.csv --out build/leastsq.csv -linprog.csv: leastsq.csv grouped.csv +build/linprog.csv: build/leastsq.csv build/grouped.csv # Tweak rough timing model, making sure all constraints are satisfied - python3 $(TIMFUZ_DIR)/solve_linprog.py --sub-json sub.json --sub-csv leastsq.csv --massage grouped.csv --out linprog.csv + python3 $(TIMFUZ_DIR)/solve_linprog.py --sub-json build/sub.json --sub-csv build/leastsq.csv --massage build/grouped.csv --out build/linprog.csv -flat.csv: linprog.csv +build/flat.csv: build/linprog.csv # Take separated variables and back-annotate them to the original timing variables - python3 $(TIMFUZ_DIR)/csv_group2flat.py --sub-json sub.json --sort linprog.csv flat.csv + python3 $(TIMFUZ_DIR)/csv_group2flat.py --sub-json build/sub.json --sort build/linprog.csv build/flat.csv -tilea.json: flat.csv +build/tilea.json: build/flat.csv # Final processing # Insert timing delays into actual tile layouts - python3 $(TIMFUZ_DIR)/tile_annotate.py --tile-json $(TIMFUZ_DIR)/timgrid/build/timgrid.json flat.csv tilea.json + python3 $(TIMFUZ_DIR)/tile_annotate.py --tile-json $(TIMFUZ_DIR)/timgrid/build/timgrid.json build/flat.csv build/tilea.json From 557fda4215fa50701a506c30d01ee210002ba979 Mon Sep 17 00:00:00 2001 From: John McMaster Date: Tue, 11 Sep 2018 12:07:41 -0700 Subject: [PATCH 31/55] timfuz: placelut made into generic project Signed-off-by: John McMaster --- fuzzers/007-timing/projects/placelut/Makefile | 53 +----- fuzzers/007-timing/projects/project.mk | 53 ++++++ fuzzers/007-timing/projects/project.tcl | 174 ++++++++++++++++++ 3 files changed, 228 insertions(+), 52 deletions(-) create mode 100644 fuzzers/007-timing/projects/project.mk create mode 100644 fuzzers/007-timing/projects/project.tcl diff --git a/fuzzers/007-timing/projects/placelut/Makefile b/fuzzers/007-timing/projects/placelut/Makefile index f1e10dc2..9c8b1947 100644 --- a/fuzzers/007-timing/projects/placelut/Makefile +++ b/fuzzers/007-timing/projects/placelut/Makefile @@ -1,53 +1,2 @@ -N := 1 -SPECIMENS := $(addprefix specimen_,$(shell seq -f '%03.0f' $(N))) -SPECIMENS_OK := $(addsuffix /OK,$(SPECIMENS)) -CSVS := $(addsuffix /timing3.csv,$(SPECIMENS)) -TIMFUZ_DIR=$(XRAY_DIR)/fuzzers/007-timing - -all: build/tilea.json - -$(SPECIMENS_OK): - bash generate.sh $(subst /OK,,$@) - touch $@ - -run: - $(MAKE) clean - $(MAKE) all - touch run.ok - -clean: - rm -rf specimen_[0-9][0-9][0-9]/ seg_clblx.segbits __pycache__ run.ok - rm -rf vivado*.log vivado_*.str vivado*.jou design *.bits *.dcp *.bit - rm -rf build - -.PHONY: database pushdb run clean - -build/sub.json: $(SPECIMENS_OK) - mkdir -p build - # Discover which variables can be separated - # This is typically the longest running operation - python3 $(TIMFUZ_DIR)/rref.py --simplify --out build/sub.json $(CSVS) - -build/grouped.csv: $(SPECIMENS_OK) build/sub.json - # Separate variables - python3 $(TIMFUZ_DIR)/csv_flat2group.py --sub-json build/sub.json --strict $(CSVS) build/grouped.csv - # Verify sub.json makes a solvable solution - # python3 $(TIMFUZ_DIR)/checksub.py --sub-json build/sub.json grouped.csv - -build/leastsq.csv: build/sub.json build/grouped.csv - # Create a rough timing model that approximately fits the given paths - python3 $(TIMFUZ_DIR)/solve_leastsq.py --sub-json build/sub.json build/grouped.csv --out build/leastsq.csv - -build/linprog.csv: build/leastsq.csv build/grouped.csv - # Tweak rough timing model, making sure all constraints are satisfied - python3 $(TIMFUZ_DIR)/solve_linprog.py --sub-json build/sub.json --sub-csv build/leastsq.csv --massage build/grouped.csv --out build/linprog.csv - -build/flat.csv: build/linprog.csv - # Take separated variables and back-annotate them to the original timing variables - python3 $(TIMFUZ_DIR)/csv_group2flat.py --sub-json build/sub.json --sort build/linprog.csv build/flat.csv - -build/tilea.json: build/flat.csv - # Final processing - # Insert timing delays into actual tile layouts - python3 $(TIMFUZ_DIR)/tile_annotate.py --tile-json $(TIMFUZ_DIR)/timgrid/build/timgrid.json build/flat.csv build/tilea.json +include ../project.mk diff --git a/fuzzers/007-timing/projects/project.mk b/fuzzers/007-timing/projects/project.mk new file mode 100644 index 00000000..f1e10dc2 --- /dev/null +++ b/fuzzers/007-timing/projects/project.mk @@ -0,0 +1,53 @@ +N := 1 +SPECIMENS := $(addprefix specimen_,$(shell seq -f '%03.0f' $(N))) +SPECIMENS_OK := $(addsuffix /OK,$(SPECIMENS)) +CSVS := $(addsuffix /timing3.csv,$(SPECIMENS)) +TIMFUZ_DIR=$(XRAY_DIR)/fuzzers/007-timing + +all: build/tilea.json + +$(SPECIMENS_OK): + bash generate.sh $(subst /OK,,$@) + touch $@ + +run: + $(MAKE) clean + $(MAKE) all + touch run.ok + +clean: + rm -rf specimen_[0-9][0-9][0-9]/ seg_clblx.segbits __pycache__ run.ok + rm -rf vivado*.log vivado_*.str vivado*.jou design *.bits *.dcp *.bit + rm -rf build + +.PHONY: database pushdb run clean + +build/sub.json: $(SPECIMENS_OK) + mkdir -p build + # Discover which variables can be separated + # This is typically the longest running operation + python3 $(TIMFUZ_DIR)/rref.py --simplify --out build/sub.json $(CSVS) + +build/grouped.csv: $(SPECIMENS_OK) build/sub.json + # Separate variables + python3 $(TIMFUZ_DIR)/csv_flat2group.py --sub-json build/sub.json --strict $(CSVS) build/grouped.csv + # Verify sub.json makes a solvable solution + # python3 $(TIMFUZ_DIR)/checksub.py --sub-json build/sub.json grouped.csv + +build/leastsq.csv: build/sub.json build/grouped.csv + # Create a rough timing model that approximately fits the given paths + python3 $(TIMFUZ_DIR)/solve_leastsq.py --sub-json build/sub.json build/grouped.csv --out build/leastsq.csv + +build/linprog.csv: build/leastsq.csv build/grouped.csv + # Tweak rough timing model, making sure all constraints are satisfied + python3 $(TIMFUZ_DIR)/solve_linprog.py --sub-json build/sub.json --sub-csv build/leastsq.csv --massage build/grouped.csv --out build/linprog.csv + +build/flat.csv: build/linprog.csv + # Take separated variables and back-annotate them to the original timing variables + python3 $(TIMFUZ_DIR)/csv_group2flat.py --sub-json build/sub.json --sort build/linprog.csv build/flat.csv + +build/tilea.json: build/flat.csv + # Final processing + # Insert timing delays into actual tile layouts + python3 $(TIMFUZ_DIR)/tile_annotate.py --tile-json $(TIMFUZ_DIR)/timgrid/build/timgrid.json build/flat.csv build/tilea.json + diff --git a/fuzzers/007-timing/projects/project.tcl b/fuzzers/007-timing/projects/project.tcl new file mode 100644 index 00000000..b1478201 --- /dev/null +++ b/fuzzers/007-timing/projects/project.tcl @@ -0,0 +1,174 @@ +proc pin_info {pin} { + set cell [get_cells -of_objects $pin] + set bel [get_bels -of_objects $cell] + set site [get_sites -of_objects $bel] + return "$site $bel" +} + +proc pin_bel {pin} { + set cell [get_cells -of_objects $pin] + set bel [get_bels -of_objects $cell] + return $bel +} + +# Changed to group wires and nodes +# This allows tracing the full path along with pips +proc write_info3 {} { + set outdir "." + set fp [open "$outdir/timing3.txt" w] + # bel as site/bel, so don't bother with site + puts $fp "net src_bel dst_bel ico fast_max fast_min slow_max slow_min pips inodes wires" + + set TIME_start [clock clicks -milliseconds] + set verbose 0 + set equations 0 + set site_src_nets 0 + set site_dst_nets 0 + set neti 0 + set nets [get_nets -hierarchical] + set nnets [llength $nets] + foreach net $nets { + incr neti + #if {$neti >= 10} { + # puts "Debug break" + # break + #} + + puts "Net $neti / $nnets: $net" + # The semantics of get_pins -leaf is kind of odd + # When no passthrough LUTs exist, it has no effect + # When passthrough LUT present: + # -w/o -leaf: some pins + passthrough LUT pins + # -w/ -leaf: different pins + passthrough LUT pins + # With OUT filter this seems to be sufficient + set src_pin [get_pins -leaf -filter {DIRECTION == OUT} -of_objects $net] + set src_bel [pin_bel $src_pin] + set src_site [get_sites -of_objects $src_bel] + # Only one net driver + set src_site_pins [get_site_pins -filter {DIRECTION == OUT} -of_objects $net] + + # Sometimes this is empty for reasons that escape me + # Emitting direction doesn't help + if {[llength $src_site_pins] < 1} { + if $verbose { + puts " Ignoring site internal net" + } + incr site_src_nets + continue + } + set dst_site_pins_net [get_site_pins -filter {DIRECTION == IN} -of_objects $net] + if {[llength $dst_site_pins_net] < 1} { + puts " Skipping site internal source net" + incr site_dst_nets + continue + } + foreach src_site_pin $src_site_pins { + if $verbose { + puts "Source: $src_pin at site $src_site:$src_bel, spin $src_site_pin" + } + + # Run with and without interconnect only + foreach ico "0 1" { + set ico_flag "" + if $ico { + set ico_flag "-interconnect_only" + set delays [get_net_delays $ico_flag -of_objects $net] + } else { + set delays [get_net_delays -of_objects $net] + } + foreach delay $delays { + set delaystr [get_property NAME $delay] + set dst_pins [get_property TO_PIN $delay] + set dst_pin [get_pins $dst_pins] + #puts " $delaystr: $src_pin => $dst_pin" + set dst_bel [pin_bel $dst_pin] + set dst_site [get_sites -of_objects $dst_bel] + if $verbose { + puts " Dest: $dst_pin at site $dst_site:$dst_bel" + } + + set dst_site_pins [get_site_pins -of_objects $dst_pin] + # Some nets are internal + # But should this happen on dest if we've already filtered source? + if {"$dst_site_pins" eq ""} { + continue + } + # Also apparantly you can have multiple of these as well + foreach dst_site_pin $dst_site_pins { + set fast_max [get_property "FAST_MAX" $delay] + set fast_min [get_property "FAST_MIN" $delay] + set slow_max [get_property "SLOW_MAX" $delay] + set slow_min [get_property "SLOW_MIN" $delay] + + # Want: + # Site / BEL at src + # Site / BEL at dst + # Pips in between + # Walk net, looking for interesting elements in between + set pips [get_pips -of_objects $net -from $src_site_pin -to $dst_site_pin] + if $verbose { + foreach pip $pips { + puts " PIP $pip" + } + } + set nodes [get_nodes -of_objects $net -from $src_site_pin -to $dst_site_pin] + #set wires [get_wires -of_objects $net -from $src_site_pin -to $dst_site_pin] + set wires [get_wires -of_objects $nodes] + + # puts $fp "$net $src_bel $dst_bel $ico $fast_max $fast_min $slow_max $slow_min $pips" + puts -nonewline $fp "$net $src_bel $dst_bel $ico $fast_max $fast_min $slow_max $slow_min" + + # Write pips w/ speed index + puts -nonewline $fp " " + set needspace 0 + foreach pip $pips { + if $needspace { + puts -nonewline $fp "|" + } + set speed_index [get_property SPEED_INDEX $pip] + puts -nonewline $fp "$pip:$speed_index" + set needspace 1 + } + + # Write nodes + #set nodes_str [string map {" " "|"} $nodes] + #puts -nonewline $fp " $nodes_str" + puts -nonewline $fp " " + set needspace 0 + foreach node $nodes { + if $needspace { + puts -nonewline $fp "|" + } + set nwires [llength [get_wires -of_objects $node]] + puts -nonewline $fp "$node:$nwires" + set needspace 1 + } + + # Write wires + puts -nonewline $fp " " + set needspace 0 + foreach wire $wires { + if $needspace { + puts -nonewline $fp "|" + } + set speed_index [get_property SPEED_INDEX $wire] + puts -nonewline $fp "$wire:$speed_index" + set needspace 1 + } + + puts $fp "" + + incr equations + break + } + } + } + } + } + close $fp + set TIME_taken [expr [clock clicks -milliseconds] - $TIME_start] + puts "Took ms: $TIME_taken" + puts "Generated $equations equations" + puts "Skipped $site_src_nets (+ $site_dst_nets) site nets" +} + From c2707e5c23faf27be1aaad531049cf724d9409ad Mon Sep 17 00:00:00 2001 From: John McMaster Date: Tue, 11 Sep 2018 12:12:33 -0700 Subject: [PATCH 32/55] timfuz: simplify readme instructions using new make system Signed-off-by: John McMaster --- fuzzers/007-timing/README.md | 36 +++++++++--------------------------- 1 file changed, 9 insertions(+), 27 deletions(-) diff --git a/fuzzers/007-timing/README.md b/fuzzers/007-timing/README.md index ae90a689..047e073c 100644 --- a/fuzzers/007-timing/README.md +++ b/fuzzers/007-timing/README.md @@ -12,36 +12,18 @@ Currently this document focuses exclusively on fabric timing delays. ## Quick start -TODO: make this into a more formal makefile flow - ``` -# Pre-processing -# Create speed.json -./speed.sh +pushd speed +make +popd -# Create csvs +pushd timgrid +make +popd + +pushd projects/placelut make N=1 -csv=specimen_001/timing3.csv - -# Main workflow -# Discover which variables can be separated -python3 timfuz_rref.py --simplify --out sub.json $csv -# Verify sub.json makes a solvable solution -python3 checksub.py --sub-json sub.json group.csv -# Separate variables -python3 csv_flat2group.py --sub-json sub.json --strict $csv group.csv -# Create a rough timing model that approximately fits the given paths -python3 solve_leastsq.py --sub-json sub.json group.csv --out leastsq.csv -# Tweak rough timing model, making sure all constraints are satisfied -python3 solve_linprog.py --sub-json sub.json --sub-csv leastsq.csv --massage group.csv --out linprog.csv -# Take separated variables and back-annotate them to the original timing variables -python3 csv_group2flat.py --sub-json sub.json --sort linprog.csv flat.csv - -# Final processing -# Create tile.json (where timing models are in tile fabric) -python3 tile_txt2json.py timgrid/specimen_001/tiles.txt tiles.json -# Insert timing delays into actual tile layouts -python3 tile_annotate.py flat.csv tilea.json +popd ``` From 1fc02389ed4c230aff9c9e4a5de877eb074cf509 Mon Sep 17 00:00:00 2001 From: John McMaster Date: Tue, 11 Sep 2018 12:25:57 -0700 Subject: [PATCH 33/55] timfuz: tile_annotate report solve correctly Signed-off-by: John McMaster --- fuzzers/007-timing/tile_annotate.py | 21 +++++++++++++-------- fuzzers/007-timing/timfuz.py | 12 ++++++------ 2 files changed, 19 insertions(+), 14 deletions(-) diff --git a/fuzzers/007-timing/tile_annotate.py b/fuzzers/007-timing/tile_annotate.py index e294769b..005b6c52 100644 --- a/fuzzers/007-timing/tile_annotate.py +++ b/fuzzers/007-timing/tile_annotate.py @@ -1,5 +1,6 @@ #!/usr/bin/env python3 +import timfuz from timfuz import loadc_Ads_b, Ads2bounds import sys @@ -20,9 +21,9 @@ def run(fnin, fnout, tile_json_fn, verbose=False): bounds = Ads2bounds(Ads, b) pipn_net = 0 - pipn_solved = 0 + pipn_solved = [0, 0, 0, 0] wiren_net = 0 - wiren_solved = 0 + wiren_solved = [0, 0, 0, 0] for tile in tilej['tiles'].values(): pips = tile['pips'] @@ -30,19 +31,23 @@ def run(fnin, fnout, tile_json_fn, verbose=False): val = bounds.get('PIP_' + v, None) pips[k] = quad(val) pipn_net += 1 - if pips[k]: - pipn_solved += 1 + for i in range(4): + if pips[k][i]: + pipn_solved[i] += 1 wires = tile['wires'] for k, v in wires.items(): val = bounds.get('WIRE_' + v, None) wires[k] = quad(val) wiren_net += 1 - if wires[k]: - wiren_solved += 1 + for i in range(4): + if wires[k][i]: + wiren_solved[i] += 1 - print('Pips: %u / %u solved' % (pipn_solved, pipn_net)) - print('Wires: %u / %u solved' % (wiren_solved, wiren_net)) + for corner, corneri in timfuz.corner_s2i.items(): + print('Corner %s' % corner) + print(' Pips: %u / %u solved' % (pipn_solved[corneri], pipn_net)) + print(' Wires: %u / %u solved' % (wiren_solved[corneri], wiren_net)) json.dump(tilej, open(fnout, 'w'), sort_keys=True, indent=4, separators=(',', ': ')) diff --git a/fuzzers/007-timing/timfuz.py b/fuzzers/007-timing/timfuz.py index 6f2f8918..f48b7e89 100644 --- a/fuzzers/007-timing/timfuz.py +++ b/fuzzers/007-timing/timfuz.py @@ -30,12 +30,12 @@ NAME_ZERO = set([ ]) # csv index -corner_s2i = { - 'fast_max': 0, - 'fast_min': 1, - 'slow_max': 2, - 'slow_min': 3, - } +corner_s2i = OrderedDict([ + ('fast_max', 0), + ('fast_min', 1), + ('slow_max', 2), + ('slow_min', 3), + ]) def print_eqns(A_ubd, b_ub, verbose=0, lim=3, label=''): rows = len(b_ub) From fa524df6575e4f3bba1adfaf0b3c4dcfb94e6117 Mon Sep 17 00:00:00 2001 From: John McMaster Date: Tue, 11 Sep 2018 16:43:37 -0700 Subject: [PATCH 34/55] timfuz: fix zero delay element inconsistency Signed-off-by: John McMaster --- fuzzers/007-timing/checksub.py | 5 ++- fuzzers/007-timing/csv_flat2group.py | 39 +++++++------------ .../007-timing/projects/oneblinkw/oneblinkw.v | 37 ------------------ fuzzers/007-timing/projects/project.mk | 24 ++++++++---- fuzzers/007-timing/rref.py | 2 +- fuzzers/007-timing/timfuz.py | 19 ++++----- 6 files changed, 44 insertions(+), 82 deletions(-) delete mode 100644 fuzzers/007-timing/projects/oneblinkw/oneblinkw.v diff --git a/fuzzers/007-timing/checksub.py b/fuzzers/007-timing/checksub.py index 213fcb33..9cdb259d 100644 --- a/fuzzers/007-timing/checksub.py +++ b/fuzzers/007-timing/checksub.py @@ -89,7 +89,8 @@ def run(fns_in, sub_json=None, verbose=False): ''' print # https://docs.scipy.org/doc/numpy-dev/reference/generated/numpy.linalg.matrix_rank.html - print('rank: %s / %d col' % (np.linalg.matrix_rank(Amat), len(names))) + rank = np.linalg.matrix_rank(Amat) + print('rank: %s / %d col' % (rank, len(names))) # doesn't work on non-square matrices if 0: # https://docs.scipy.org/doc/numpy-1.14.0/reference/generated/numpy.linalg.slogdet.html @@ -99,6 +100,8 @@ def run(fns_in, sub_json=None, verbose=False): print('slogdet :( : 0') else: print('slogdet :) : %s, %s' % (sign, logdet)) + if rank != len(names): + raise Exception("Matrix not fully ranked w/ %u / %u" % (rank, len(names))) def main(): import argparse diff --git a/fuzzers/007-timing/csv_flat2group.py b/fuzzers/007-timing/csv_flat2group.py index 7a050585..57be54a5 100644 --- a/fuzzers/007-timing/csv_flat2group.py +++ b/fuzzers/007-timing/csv_flat2group.py @@ -1,19 +1,6 @@ #!/usr/bin/env python3 -# https://docs.scipy.org/doc/scipy-0.18.1/reference/generated/scipy.optimize.linprog.html -from scipy.optimize import linprog -from timfuz import Benchmark, Ar_di2np, Ar_ds2t, A_di2ds, A_ds2di, simplify_rows, loadc_Ads_b, index_names, A_ds2np, load_sub, run_sub_json, A_ub_np2d, print_eqns, print_eqns_np, Ads2bounds, loadc_Ads_raw, instances -from timfuz_massage import massage_equations -import numpy as np -import glob -import json -import math -from collections import OrderedDict -from fractions import Fraction -import sys -import datetime -import os -import time +from timfuz import Benchmark, loadc_Ads_b, index_names, load_sub, run_sub_json, instances def gen_group(fnin, sub_json, strict=False, verbose=False): print('Loading data') @@ -31,15 +18,16 @@ def gen_group(fnin, sub_json, strict=False, verbose=False): for row_ds, row_b in zip(Ads, b): yield row_ds, [row_b for _ in range(4)] -def run(fnin, fnout, sub_json, corner=None, strict=False, verbose=False): +def run(fns_in, fnout, sub_json, corner=None, strict=False, verbose=False): with open(fnout, 'w') as fout: fout.write('ico,fast_max fast_min slow_max slow_min,rows...\n') - for row_ds, row_bs in gen_group(fnin, sub_json, strict=strict): - row_ico = 1 - items = [str(row_ico), ' '.join([str(x) for x in row_bs])] - for k, v in sorted(row_ds.items()): - items.append('%u %s' % (v, k)) - fout.write(','.join(items) + '\n') + for fn_in in fns_in: + for row_ds, row_bs in gen_group(fn_in, sub_json, strict=strict): + row_ico = 1 + items = [str(row_ico), ' '.join([str(x) for x in row_bs])] + for k, v in sorted(row_ds.items()): + items.append('%u %s' % (v, k)) + fout.write(','.join(items) + '\n') def main(): import argparse @@ -54,8 +42,11 @@ def main(): parser.add_argument('--strict', action='store_true', help='') parser.add_argument('--sub-csv', help='') parser.add_argument('--sub-json', required=True, help='Group substitutions to make fully ranked') - parser.add_argument('fnin', default=None, help='input timing delay .csv') - parser.add_argument('fnout', default=None, help='output timing delay .csv') + parser.add_argument('--out', help='Output sub.json substitution result') + parser.add_argument( + 'fns_in', + nargs='*', + help='timing3.txt input files') args = parser.parse_args() # Store options in dict to ease passing through functions bench = Benchmark() @@ -63,7 +54,7 @@ def main(): sub_json = load_sub(args.sub_json) try: - run(args.fnin, args.fnout, sub_json=sub_json, strict=args.strict, verbose=args.verbose) + run(args.fns_in, args.out, sub_json=sub_json, strict=args.strict, verbose=args.verbose) finally: print('Exiting after %s' % bench) diff --git a/fuzzers/007-timing/projects/oneblinkw/oneblinkw.v b/fuzzers/007-timing/projects/oneblinkw/oneblinkw.v deleted file mode 100644 index 5e133bac..00000000 --- a/fuzzers/007-timing/projects/oneblinkw/oneblinkw.v +++ /dev/null @@ -1,37 +0,0 @@ -module roi ( - input wire clk, - output wire out); - reg [23:0] counter; - assign out = counter[23] ^ counter[22] ^ counter[2] && counter[1] || counter[0]; - - always @(posedge clk) begin - counter <= counter + 1; - end -endmodule - -module top(input wire clk, input wire stb, input wire di, output wire do); - localparam integer DIN_N = 0; - localparam integer DOUT_N = 1; - - reg [DIN_N-1:0] din; - wire [DOUT_N-1:0] dout; - - reg [DIN_N-1:0] din_shr; - reg [DOUT_N-1:0] dout_shr; - - always @(posedge clk) begin - din_shr <= {din_shr, di}; - dout_shr <= {dout_shr, din_shr[DIN_N-1]}; - if (stb) begin - din <= din_shr; - dout_shr <= dout; - end - end - - assign do = dout_shr[DOUT_N-1]; - roi roi( - .clk(clk), - .out(dout[0]) - ); -endmodule - diff --git a/fuzzers/007-timing/projects/project.mk b/fuzzers/007-timing/projects/project.mk index f1e10dc2..f870af11 100644 --- a/fuzzers/007-timing/projects/project.mk +++ b/fuzzers/007-timing/projects/project.mk @@ -26,25 +26,33 @@ build/sub.json: $(SPECIMENS_OK) mkdir -p build # Discover which variables can be separated # This is typically the longest running operation - python3 $(TIMFUZ_DIR)/rref.py --simplify --out build/sub.json $(CSVS) + python3 $(TIMFUZ_DIR)/rref.py --simplify --out build/sub.json.tmp $(CSVS) + mv build/sub.json.tmp build/sub.json build/grouped.csv: $(SPECIMENS_OK) build/sub.json # Separate variables - python3 $(TIMFUZ_DIR)/csv_flat2group.py --sub-json build/sub.json --strict $(CSVS) build/grouped.csv - # Verify sub.json makes a solvable solution - # python3 $(TIMFUZ_DIR)/checksub.py --sub-json build/sub.json grouped.csv + python3 $(TIMFUZ_DIR)/csv_flat2group.py --sub-json build/sub.json --strict --out build/grouped.csv.tmp $(CSVS) + mv build/grouped.csv.tmp build/grouped.csv -build/leastsq.csv: build/sub.json build/grouped.csv +build/checksub: build/grouped.csv build/sub.json + # Verify sub.json makes a cleanly solvable solution with no non-pivot leftover + python3 $(TIMFUZ_DIR)/checksub.py --sub-json build/sub.json build/grouped.csv + touch build/checksub + +build/leastsq.csv: build/sub.json build/grouped.csv build/checksub # Create a rough timing model that approximately fits the given paths - python3 $(TIMFUZ_DIR)/solve_leastsq.py --sub-json build/sub.json build/grouped.csv --out build/leastsq.csv + python3 $(TIMFUZ_DIR)/solve_leastsq.py --sub-json build/sub.json build/grouped.csv --out build/leastsq.csv.tmp + mv build/leastsq.csv.tmp build/leastsq.csv build/linprog.csv: build/leastsq.csv build/grouped.csv # Tweak rough timing model, making sure all constraints are satisfied - python3 $(TIMFUZ_DIR)/solve_linprog.py --sub-json build/sub.json --sub-csv build/leastsq.csv --massage build/grouped.csv --out build/linprog.csv + python3 $(TIMFUZ_DIR)/solve_linprog.py --sub-json build/sub.json --sub-csv build/leastsq.csv --massage build/grouped.csv --out build/linprog.csv.tmp + mv build/linprog.csv.tmp build/linprog.csv build/flat.csv: build/linprog.csv # Take separated variables and back-annotate them to the original timing variables - python3 $(TIMFUZ_DIR)/csv_group2flat.py --sub-json build/sub.json --sort build/linprog.csv build/flat.csv + python3 $(TIMFUZ_DIR)/csv_group2flat.py --sub-json build/sub.json --sort build/linprog.csv build/flat.csv.tmp + mv build/flat.csv.tmp build/flat.csv build/tilea.json: build/flat.csv # Final processing diff --git a/fuzzers/007-timing/rref.py b/fuzzers/007-timing/rref.py index df0d7153..19dcc89c 100644 --- a/fuzzers/007-timing/rref.py +++ b/fuzzers/007-timing/rref.py @@ -71,7 +71,7 @@ class State(object): Ads, b = loadc_Ads_b(fn_ins, corner=corner, ico=True) if simplify: print('Simplifying corner %s' % (corner,)) - Ads, b = simplify_rows(Ads, b) + Ads, b = simplify_rows(Ads, b, remove_zd=False) return State(Ads) def write_state(state, fout): diff --git a/fuzzers/007-timing/timfuz.py b/fuzzers/007-timing/timfuz.py index f48b7e89..604649c9 100644 --- a/fuzzers/007-timing/timfuz.py +++ b/fuzzers/007-timing/timfuz.py @@ -130,7 +130,7 @@ def Ab_ub_dt2d(eqns): return list(A_ubd), list(b_ub) # This significantly reduces runtime -def simplify_rows(Ads, b_ub): +def simplify_rows(Ads, b_ub, remove_zd=False): '''Remove duplicate equations, taking highest delay''' # dict of constants to highest delay eqns = OrderedDict() @@ -149,7 +149,7 @@ def simplify_rows(Ads, b_ub): # TODO: elements have zero delay (ex: COUT) # Remove these from now since they make me nervous # Although they should just solve to 0 - if not b: + if remove_zd and not b: zero_ds += 1 continue @@ -168,7 +168,7 @@ def simplify_rows(Ads, b_ub): #A_ub_ret = eqns.keys() A_ubd_ret, b_ub_ret = Ab_ub_dt2d(eqns) - print('Simplify rows: %d => %d w/ zd %d, ze %d' % (len(b_ub), len(b_ub_ret), zero_ds, zero_es)) + print('Simplify rows: %d => %d rows w/ zd %d, ze %d' % (len(b_ub), len(b_ub_ret), zero_ds, zero_es)) #return A_ub_ret, b_ub_ret #return A_ub_np2d(A_ub_ret), b_ub_ret return A_ubd_ret, b_ub_ret @@ -693,9 +693,9 @@ def loadc_Ads_b(fns, corner, ico=None): corneri = corner_s2i[corner] if ico is not None: - filt = lambda ico, corners, vars: ico == ico + filt = lambda ico_, corners, vars: ico_ == ico else: - filt = lambda ico, corners, vars: True + filt = lambda ico_, corners, vars: True def mkb(val): return val[corneri] @@ -725,9 +725,6 @@ def load_sub(fn): return j def row_sub_syms(row, sub_json, strict=False, verbose=False): - zero = Fraction(0) - zero = 0 - if 0 and verbose: print("") print(row.items()) @@ -761,9 +758,9 @@ def row_sub_syms(row, sub_json, strict=False, verbose=False): if verbose: print('pivot %i %s' % (n, pivot)) for subk, subv in sorted(sub_json['subs'][group].items()): - oldn = row.get(subk, zero) + oldn = row.get(subk, type(subv)(0)) rown = -n * subv - rown += type(rown)(oldn) + rown += oldn if verbose: print(" %s: %d => %d" % (subk, oldn, rown)) if rown == 0: @@ -783,7 +780,7 @@ def row_sub_syms(row, sub_json, strict=False, verbose=False): # verify no subs are left for subs in sub_json['subs'].values(): for sub in subs: - assert sub not in row, 'Unexpected element %s' % sub + assert sub not in row, 'non-pivot element after group sub %s' % sub # Verify all constants are positive for k, v in sorted(row.items()): From 7ac4f31e589bc54f6f5b050d1c516cb24972eeba Mon Sep 17 00:00:00 2001 From: John McMaster Date: Tue, 11 Sep 2018 17:16:01 -0700 Subject: [PATCH 35/55] timfuz: zero row add assertion Signed-off-by: John McMaster --- fuzzers/007-timing/projects/.gitignore | 3 ++ fuzzers/007-timing/projects/generate.sh | 9 ++++ .../007-timing/projects/oneblinkw/Makefile | 2 + .../007-timing/projects/oneblinkw/generate.sh | 8 ++++ .../projects/oneblinkw/generate.tcl | 47 +++++++++++++++++++ fuzzers/007-timing/projects/oneblinkw/top.v | 37 +++++++++++++++ fuzzers/007-timing/timfuz.py | 6 +-- 7 files changed, 109 insertions(+), 3 deletions(-) create mode 100644 fuzzers/007-timing/projects/.gitignore create mode 100644 fuzzers/007-timing/projects/generate.sh create mode 100644 fuzzers/007-timing/projects/oneblinkw/Makefile create mode 100755 fuzzers/007-timing/projects/oneblinkw/generate.sh create mode 100644 fuzzers/007-timing/projects/oneblinkw/generate.tcl create mode 100644 fuzzers/007-timing/projects/oneblinkw/top.v diff --git a/fuzzers/007-timing/projects/.gitignore b/fuzzers/007-timing/projects/.gitignore new file mode 100644 index 00000000..374eddc2 --- /dev/null +++ b/fuzzers/007-timing/projects/.gitignore @@ -0,0 +1,3 @@ +specimen_* +build + diff --git a/fuzzers/007-timing/projects/generate.sh b/fuzzers/007-timing/projects/generate.sh new file mode 100644 index 00000000..f8e6e094 --- /dev/null +++ b/fuzzers/007-timing/projects/generate.sh @@ -0,0 +1,9 @@ +#!/bin/bash + +source ${XRAY_GENHEADER} +TIMFUZ_DIR=$XRAY_DIR/fuzzers/007-timing + +timing_txt2csv () { + python3 $TIMFUZ_DIR/timing_txt2csv.py --speed-json $TIMFUZ_DIR/speed/build/speed.json --out timing3.csv timing3.txt +} + diff --git a/fuzzers/007-timing/projects/oneblinkw/Makefile b/fuzzers/007-timing/projects/oneblinkw/Makefile new file mode 100644 index 00000000..9c8b1947 --- /dev/null +++ b/fuzzers/007-timing/projects/oneblinkw/Makefile @@ -0,0 +1,2 @@ +include ../project.mk + diff --git a/fuzzers/007-timing/projects/oneblinkw/generate.sh b/fuzzers/007-timing/projects/oneblinkw/generate.sh new file mode 100755 index 00000000..0ba2a7fc --- /dev/null +++ b/fuzzers/007-timing/projects/oneblinkw/generate.sh @@ -0,0 +1,8 @@ +#!/bin/bash + +set -ex +source ../generate.sh + +vivado -mode batch -source ../generate.tcl +timing_txt2csv + diff --git a/fuzzers/007-timing/projects/oneblinkw/generate.tcl b/fuzzers/007-timing/projects/oneblinkw/generate.tcl new file mode 100644 index 00000000..e7946556 --- /dev/null +++ b/fuzzers/007-timing/projects/oneblinkw/generate.tcl @@ -0,0 +1,47 @@ +source ../../../../../utils/utils.tcl +source ../../project.tcl + +proc build_design {} { + create_project -force -part $::env(XRAY_PART) design design + read_verilog ../top.v + synth_design -top top + + puts "Locking pins" + set_property LOCK_PINS {I0:A1 I1:A2 I2:A3 I3:A4 I4:A5 I5:A6} \ + [get_cells -quiet -filter {REF_NAME == LUT6} -hierarchical] + + puts "Package stuff" + set_property -dict "PACKAGE_PIN $::env(XRAY_PIN_00) IOSTANDARD LVCMOS33" [get_ports clk] + set_property -dict "PACKAGE_PIN $::env(XRAY_PIN_01) IOSTANDARD LVCMOS33" [get_ports stb] + set_property -dict "PACKAGE_PIN $::env(XRAY_PIN_02) IOSTANDARD LVCMOS33" [get_ports di] + set_property -dict "PACKAGE_PIN $::env(XRAY_PIN_03) IOSTANDARD LVCMOS33" [get_ports do] + + puts "pblocking" + create_pblock roi + set roipb [get_pblocks roi] + set_property EXCLUDE_PLACEMENT 1 $roipb + add_cells_to_pblock $roipb [get_cells roi] + resize_pblock $roipb -add "$::env(XRAY_ROI)" + + puts "randplace" + #randplace_pblock 50 roi + + set_property CFGBVS VCCO [current_design] + set_property CONFIG_VOLTAGE 3.3 [current_design] + set_property BITSTREAM.GENERAL.PERFRAMECRC YES [current_design] + + puts "dedicated route" + set_property CLOCK_DEDICATED_ROUTE FALSE [get_nets clk_IBUF] + + place_design + route_design + + write_checkpoint -force design.dcp + # disable combinitorial loop + # set_property IS_ENABLED 0 [get_drc_checks {LUTLP-1}] + #write_bitstream -force design.bit +} + +build_design +write_info3 + diff --git a/fuzzers/007-timing/projects/oneblinkw/top.v b/fuzzers/007-timing/projects/oneblinkw/top.v new file mode 100644 index 00000000..5e133bac --- /dev/null +++ b/fuzzers/007-timing/projects/oneblinkw/top.v @@ -0,0 +1,37 @@ +module roi ( + input wire clk, + output wire out); + reg [23:0] counter; + assign out = counter[23] ^ counter[22] ^ counter[2] && counter[1] || counter[0]; + + always @(posedge clk) begin + counter <= counter + 1; + end +endmodule + +module top(input wire clk, input wire stb, input wire di, output wire do); + localparam integer DIN_N = 0; + localparam integer DOUT_N = 1; + + reg [DIN_N-1:0] din; + wire [DOUT_N-1:0] dout; + + reg [DIN_N-1:0] din_shr; + reg [DOUT_N-1:0] dout_shr; + + always @(posedge clk) begin + din_shr <= {din_shr, di}; + dout_shr <= {dout_shr, din_shr[DIN_N-1]}; + if (stb) begin + din <= din_shr; + dout_shr <= dout; + end + end + + assign do = dout_shr[DOUT_N-1]; + roi roi( + .clk(clk), + .out(dout[0]) + ); +endmodule + diff --git a/fuzzers/007-timing/timfuz.py b/fuzzers/007-timing/timfuz.py index 604649c9..868e8126 100644 --- a/fuzzers/007-timing/timfuz.py +++ b/fuzzers/007-timing/timfuz.py @@ -153,10 +153,10 @@ def simplify_rows(Ads, b_ub, remove_zd=False): zero_ds += 1 continue - # A very few of these exist with very small values - # TODO: investigate, understand what these are - # Leaving these in can make the result unsolvable since there does not exist a set of constants to reach the delay + # think ran into these before when taking out ZERO elements if len(rowd) == 0: + if b != 0: + assert zero_es == 0, 'Unexpected zero element row with non-zero delay' zero_es += 1 continue From 6197a9353620e4458a1417365dcf7a152772241b Mon Sep 17 00:00:00 2001 From: John McMaster Date: Tue, 11 Sep 2018 17:32:50 -0700 Subject: [PATCH 36/55] timfuz: picorv32 project Signed-off-by: John McMaster --- .../007-timing/projects/oneblinkw/README.md | 2 + fuzzers/007-timing/projects/picorv32/Makefile | 2 + .../007-timing/projects/picorv32/README.md | 3 ++ .../007-timing/projects/picorv32/generate.sh | 8 ++++ .../007-timing/projects/picorv32/generate.tcl | 48 +++++++++++++++++++ 5 files changed, 63 insertions(+) create mode 100644 fuzzers/007-timing/projects/oneblinkw/README.md create mode 100644 fuzzers/007-timing/projects/picorv32/Makefile create mode 100644 fuzzers/007-timing/projects/picorv32/README.md create mode 100755 fuzzers/007-timing/projects/picorv32/generate.sh create mode 100644 fuzzers/007-timing/projects/picorv32/generate.tcl diff --git a/fuzzers/007-timing/projects/oneblinkw/README.md b/fuzzers/007-timing/projects/oneblinkw/README.md new file mode 100644 index 00000000..ae7cac37 --- /dev/null +++ b/fuzzers/007-timing/projects/oneblinkw/README.md @@ -0,0 +1,2 @@ +Minimal, simple test + diff --git a/fuzzers/007-timing/projects/picorv32/Makefile b/fuzzers/007-timing/projects/picorv32/Makefile new file mode 100644 index 00000000..9c8b1947 --- /dev/null +++ b/fuzzers/007-timing/projects/picorv32/Makefile @@ -0,0 +1,2 @@ +include ../project.mk + diff --git a/fuzzers/007-timing/projects/picorv32/README.md b/fuzzers/007-timing/projects/picorv32/README.md new file mode 100644 index 00000000..0be27709 --- /dev/null +++ b/fuzzers/007-timing/projects/picorv32/README.md @@ -0,0 +1,3 @@ +picorv32 uses more advanced structures than simple LUT/FF tests (such as carry chain) +It attempts to provide some realistic timing data wrt fanout and used fabric + diff --git a/fuzzers/007-timing/projects/picorv32/generate.sh b/fuzzers/007-timing/projects/picorv32/generate.sh new file mode 100755 index 00000000..0ba2a7fc --- /dev/null +++ b/fuzzers/007-timing/projects/picorv32/generate.sh @@ -0,0 +1,8 @@ +#!/bin/bash + +set -ex +source ../generate.sh + +vivado -mode batch -source ../generate.tcl +timing_txt2csv + diff --git a/fuzzers/007-timing/projects/picorv32/generate.tcl b/fuzzers/007-timing/projects/picorv32/generate.tcl new file mode 100644 index 00000000..a928a3bd --- /dev/null +++ b/fuzzers/007-timing/projects/picorv32/generate.tcl @@ -0,0 +1,48 @@ +source ../../../../../utils/utils.tcl +source ../../project.tcl + +proc build_design {} { + create_project -force -part $::env(XRAY_PART) design design + read_verilog ../../../src/picorv32.v + read_verilog ../top.v + synth_design -top top + + puts "Locking pins" + set_property LOCK_PINS {I0:A1 I1:A2 I2:A3 I3:A4 I4:A5 I5:A6} \ + [get_cells -quiet -filter {REF_NAME == LUT6} -hierarchical] + + puts "Package stuff" + set_property -dict "PACKAGE_PIN $::env(XRAY_PIN_00) IOSTANDARD LVCMOS33" [get_ports clk] + set_property -dict "PACKAGE_PIN $::env(XRAY_PIN_01) IOSTANDARD LVCMOS33" [get_ports stb] + set_property -dict "PACKAGE_PIN $::env(XRAY_PIN_02) IOSTANDARD LVCMOS33" [get_ports di] + set_property -dict "PACKAGE_PIN $::env(XRAY_PIN_03) IOSTANDARD LVCMOS33" [get_ports do] + + puts "pblocking" + create_pblock roi + set roipb [get_pblocks roi] + set_property EXCLUDE_PLACEMENT 1 $roipb + add_cells_to_pblock $roipb [get_cells roi] + resize_pblock $roipb -add "$::env(XRAY_ROI)" + + puts "randplace" + randplace_pblock 50 roi + + set_property CFGBVS VCCO [current_design] + set_property CONFIG_VOLTAGE 3.3 [current_design] + set_property BITSTREAM.GENERAL.PERFRAMECRC YES [current_design] + + puts "dedicated route" + set_property CLOCK_DEDICATED_ROUTE FALSE [get_nets clk_IBUF] + + place_design + route_design + + write_checkpoint -force design.dcp + # disable combinitorial loop + # set_property IS_ENABLED 0 [get_drc_checks {LUTLP-1}] + #write_bitstream -force design.bit +} + +build_design +write_info3 + From 5c122c2fe15a81edad5826e29d50e82cf24f078f Mon Sep 17 00:00:00 2001 From: John McMaster Date: Tue, 11 Sep 2018 18:18:40 -0700 Subject: [PATCH 37/55] timfuz: misc cleanup Signed-off-by: John McMaster --- fuzzers/007-timing/Makefile | 5 + fuzzers/007-timing/checksub.py | 7 +- fuzzers/007-timing/corner_csv.py | 2 +- fuzzers/007-timing/projects/Makefile | 4 + .../007-timing/projects/placelut/README.md | 2 + .../007-timing/projects/placelut_fb/Makefile | 2 + .../007-timing/projects/placelut_fb/README.md | 2 + .../{placelut_fb.py => generate.py} | 0 .../projects/placelut_fb/generate.sh | 9 + .../projects/placelut_fb/generate.tcl | 47 +++++ .../projects/placelut_ff_fb/Makefile | 2 + .../projects/placelut_ff_fb/README.md | 3 + .../{placelut_ff_fb.py => generate.py} | 0 .../projects/placelut_ff_fb/generate.sh | 9 + .../projects/placelut_ff_fb/generate.tcl | 47 +++++ fuzzers/007-timing/rref.py | 2 +- fuzzers/007-timing/solve_linprog.py | 5 - fuzzers/007-timing/timfuz.py | 165 ++---------------- fuzzers/007-timing/timfuz_massage.py | 18 +- fuzzers/007-timing/timfuz_solve.py | 4 +- 20 files changed, 156 insertions(+), 179 deletions(-) create mode 100644 fuzzers/007-timing/Makefile create mode 100644 fuzzers/007-timing/projects/Makefile create mode 100644 fuzzers/007-timing/projects/placelut/README.md create mode 100644 fuzzers/007-timing/projects/placelut_fb/Makefile create mode 100644 fuzzers/007-timing/projects/placelut_fb/README.md rename fuzzers/007-timing/projects/placelut_fb/{placelut_fb.py => generate.py} (100%) create mode 100755 fuzzers/007-timing/projects/placelut_fb/generate.sh create mode 100644 fuzzers/007-timing/projects/placelut_fb/generate.tcl create mode 100644 fuzzers/007-timing/projects/placelut_ff_fb/Makefile create mode 100644 fuzzers/007-timing/projects/placelut_ff_fb/README.md rename fuzzers/007-timing/projects/placelut_ff_fb/{placelut_ff_fb.py => generate.py} (100%) create mode 100755 fuzzers/007-timing/projects/placelut_ff_fb/generate.sh create mode 100644 fuzzers/007-timing/projects/placelut_ff_fb/generate.tcl diff --git a/fuzzers/007-timing/Makefile b/fuzzers/007-timing/Makefile new file mode 100644 index 00000000..1f90909f --- /dev/null +++ b/fuzzers/007-timing/Makefile @@ -0,0 +1,5 @@ +all: + cd speed && make + cd timgrid && make + cd projects && make + diff --git a/fuzzers/007-timing/checksub.py b/fuzzers/007-timing/checksub.py index 9cdb259d..00559735 100644 --- a/fuzzers/007-timing/checksub.py +++ b/fuzzers/007-timing/checksub.py @@ -1,6 +1,6 @@ #!/usr/bin/env python3 -from timfuz import Benchmark, Ar_di2np, Ar_ds2t, A_di2ds, A_ds2di, simplify_rows, loadc_Ads_b, index_names, A_ds2np, load_sub, run_sub_json +from timfuz import Benchmark, Ar_di2np, Ar_ds2t, A_di2ds, A_ds2di, loadc_Ads_b, index_names, A_ds2np, load_sub, run_sub_json import numpy as np import glob import json @@ -58,11 +58,6 @@ def run(fns_in, sub_json=None, verbose=False): Ads, b = loadc_Ads_b(fns_in, corner, ico=True) - # Remove duplicate rows - # is this necessary? - # maybe better to just add them into the matrix directly - #Ads, b = simplify_rows(Ads, b) - if sub_json: print('Subbing JSON %u rows' % len(Ads)) #pds(Ads, 'Orig') diff --git a/fuzzers/007-timing/corner_csv.py b/fuzzers/007-timing/corner_csv.py index 1df10bd0..d64c64ab 100644 --- a/fuzzers/007-timing/corner_csv.py +++ b/fuzzers/007-timing/corner_csv.py @@ -5,7 +5,7 @@ import glob def run(fout, fns_in, corner, verbose=0): Ads, b = loadc_Ads_b(fns_in, corner, ico=True) - Ads, b = simplify_rows(Ads, b) + Ads, b = simplify_rows(Ads, b, corner=corner) fout.write('ico,fast_max fast_min slow_max slow_min,rows...\n') for row_b, row_ds in zip(b, Ads): diff --git a/fuzzers/007-timing/projects/Makefile b/fuzzers/007-timing/projects/Makefile new file mode 100644 index 00000000..eb1f30a9 --- /dev/null +++ b/fuzzers/007-timing/projects/Makefile @@ -0,0 +1,4 @@ +all: + echo "FIXME: tie projects together" + false + diff --git a/fuzzers/007-timing/projects/placelut/README.md b/fuzzers/007-timing/projects/placelut/README.md new file mode 100644 index 00000000..0df7e3f8 --- /dev/null +++ b/fuzzers/007-timing/projects/placelut/README.md @@ -0,0 +1,2 @@ +LUTs are physically laid out in an array and directly connected to a test pattern generator + diff --git a/fuzzers/007-timing/projects/placelut_fb/Makefile b/fuzzers/007-timing/projects/placelut_fb/Makefile new file mode 100644 index 00000000..9c8b1947 --- /dev/null +++ b/fuzzers/007-timing/projects/placelut_fb/Makefile @@ -0,0 +1,2 @@ +include ../project.mk + diff --git a/fuzzers/007-timing/projects/placelut_fb/README.md b/fuzzers/007-timing/projects/placelut_fb/README.md new file mode 100644 index 00000000..1e597818 --- /dev/null +++ b/fuzzers/007-timing/projects/placelut_fb/README.md @@ -0,0 +1,2 @@ +LUTs are physically laid out in an array and connected to test pattern generator and fed back to other LUTs + diff --git a/fuzzers/007-timing/projects/placelut_fb/placelut_fb.py b/fuzzers/007-timing/projects/placelut_fb/generate.py similarity index 100% rename from fuzzers/007-timing/projects/placelut_fb/placelut_fb.py rename to fuzzers/007-timing/projects/placelut_fb/generate.py diff --git a/fuzzers/007-timing/projects/placelut_fb/generate.sh b/fuzzers/007-timing/projects/placelut_fb/generate.sh new file mode 100755 index 00000000..579f2021 --- /dev/null +++ b/fuzzers/007-timing/projects/placelut_fb/generate.sh @@ -0,0 +1,9 @@ +#!/bin/bash + +set -ex +source ../generate.sh + +python ../generate.py --sdx 4 --sdy 4 >top.v +vivado -mode batch -source ../generate.tcl +timing_txt2csv + diff --git a/fuzzers/007-timing/projects/placelut_fb/generate.tcl b/fuzzers/007-timing/projects/placelut_fb/generate.tcl new file mode 100644 index 00000000..0b536169 --- /dev/null +++ b/fuzzers/007-timing/projects/placelut_fb/generate.tcl @@ -0,0 +1,47 @@ +source ../../../../../utils/utils.tcl +source ../../project.tcl + +proc build_design {} { + create_project -force -part $::env(XRAY_PART) design design + read_verilog top.v + synth_design -top top + + puts "Locking pins" + set_property LOCK_PINS {I0:A1 I1:A2 I2:A3 I3:A4 I4:A5 I5:A6} \ + [get_cells -quiet -filter {REF_NAME == LUT6} -hierarchical] + + puts "Package stuff" + set_property -dict "PACKAGE_PIN $::env(XRAY_PIN_00) IOSTANDARD LVCMOS33" [get_ports clk] + set_property -dict "PACKAGE_PIN $::env(XRAY_PIN_01) IOSTANDARD LVCMOS33" [get_ports stb] + set_property -dict "PACKAGE_PIN $::env(XRAY_PIN_02) IOSTANDARD LVCMOS33" [get_ports di] + set_property -dict "PACKAGE_PIN $::env(XRAY_PIN_03) IOSTANDARD LVCMOS33" [get_ports do] + + puts "pblocking" + create_pblock roi + set roipb [get_pblocks roi] + set_property EXCLUDE_PLACEMENT 1 $roipb + add_cells_to_pblock $roipb [get_cells roi] + resize_pblock $roipb -add "$::env(XRAY_ROI)" + + puts "randplace" + randplace_pblock 50 roi + + set_property CFGBVS VCCO [current_design] + set_property CONFIG_VOLTAGE 3.3 [current_design] + set_property BITSTREAM.GENERAL.PERFRAMECRC YES [current_design] + + puts "dedicated route" + set_property CLOCK_DEDICATED_ROUTE FALSE [get_nets clk_IBUF] + + place_design + route_design + + write_checkpoint -force design.dcp + # disable combinitorial loop + # set_property IS_ENABLED 0 [get_drc_checks {LUTLP-1}] + #write_bitstream -force design.bit +} + +build_design +write_info3 + diff --git a/fuzzers/007-timing/projects/placelut_ff_fb/Makefile b/fuzzers/007-timing/projects/placelut_ff_fb/Makefile new file mode 100644 index 00000000..9c8b1947 --- /dev/null +++ b/fuzzers/007-timing/projects/placelut_ff_fb/Makefile @@ -0,0 +1,2 @@ +include ../project.mk + diff --git a/fuzzers/007-timing/projects/placelut_ff_fb/README.md b/fuzzers/007-timing/projects/placelut_ff_fb/README.md new file mode 100644 index 00000000..983849b3 --- /dev/null +++ b/fuzzers/007-timing/projects/placelut_ff_fb/README.md @@ -0,0 +1,3 @@ +LUTs are physically laid out in an array and connected to test pattern generator and fed back to other LUTs. +FFs are randomly inserted between connections. + diff --git a/fuzzers/007-timing/projects/placelut_ff_fb/placelut_ff_fb.py b/fuzzers/007-timing/projects/placelut_ff_fb/generate.py similarity index 100% rename from fuzzers/007-timing/projects/placelut_ff_fb/placelut_ff_fb.py rename to fuzzers/007-timing/projects/placelut_ff_fb/generate.py diff --git a/fuzzers/007-timing/projects/placelut_ff_fb/generate.sh b/fuzzers/007-timing/projects/placelut_ff_fb/generate.sh new file mode 100755 index 00000000..579f2021 --- /dev/null +++ b/fuzzers/007-timing/projects/placelut_ff_fb/generate.sh @@ -0,0 +1,9 @@ +#!/bin/bash + +set -ex +source ../generate.sh + +python ../generate.py --sdx 4 --sdy 4 >top.v +vivado -mode batch -source ../generate.tcl +timing_txt2csv + diff --git a/fuzzers/007-timing/projects/placelut_ff_fb/generate.tcl b/fuzzers/007-timing/projects/placelut_ff_fb/generate.tcl new file mode 100644 index 00000000..0b536169 --- /dev/null +++ b/fuzzers/007-timing/projects/placelut_ff_fb/generate.tcl @@ -0,0 +1,47 @@ +source ../../../../../utils/utils.tcl +source ../../project.tcl + +proc build_design {} { + create_project -force -part $::env(XRAY_PART) design design + read_verilog top.v + synth_design -top top + + puts "Locking pins" + set_property LOCK_PINS {I0:A1 I1:A2 I2:A3 I3:A4 I4:A5 I5:A6} \ + [get_cells -quiet -filter {REF_NAME == LUT6} -hierarchical] + + puts "Package stuff" + set_property -dict "PACKAGE_PIN $::env(XRAY_PIN_00) IOSTANDARD LVCMOS33" [get_ports clk] + set_property -dict "PACKAGE_PIN $::env(XRAY_PIN_01) IOSTANDARD LVCMOS33" [get_ports stb] + set_property -dict "PACKAGE_PIN $::env(XRAY_PIN_02) IOSTANDARD LVCMOS33" [get_ports di] + set_property -dict "PACKAGE_PIN $::env(XRAY_PIN_03) IOSTANDARD LVCMOS33" [get_ports do] + + puts "pblocking" + create_pblock roi + set roipb [get_pblocks roi] + set_property EXCLUDE_PLACEMENT 1 $roipb + add_cells_to_pblock $roipb [get_cells roi] + resize_pblock $roipb -add "$::env(XRAY_ROI)" + + puts "randplace" + randplace_pblock 50 roi + + set_property CFGBVS VCCO [current_design] + set_property CONFIG_VOLTAGE 3.3 [current_design] + set_property BITSTREAM.GENERAL.PERFRAMECRC YES [current_design] + + puts "dedicated route" + set_property CLOCK_DEDICATED_ROUTE FALSE [get_nets clk_IBUF] + + place_design + route_design + + write_checkpoint -force design.dcp + # disable combinitorial loop + # set_property IS_ENABLED 0 [get_drc_checks {LUTLP-1}] + #write_bitstream -force design.bit +} + +build_design +write_info3 + diff --git a/fuzzers/007-timing/rref.py b/fuzzers/007-timing/rref.py index 19dcc89c..4cf1b9e7 100644 --- a/fuzzers/007-timing/rref.py +++ b/fuzzers/007-timing/rref.py @@ -71,7 +71,7 @@ class State(object): Ads, b = loadc_Ads_b(fn_ins, corner=corner, ico=True) if simplify: print('Simplifying corner %s' % (corner,)) - Ads, b = simplify_rows(Ads, b, remove_zd=False) + Ads, b = simplify_rows(Ads, b, remove_zd=False, corner=corner) return State(Ads) def write_state(state, fout): diff --git a/fuzzers/007-timing/solve_linprog.py b/fuzzers/007-timing/solve_linprog.py index 201ba7ca..ec25474c 100644 --- a/fuzzers/007-timing/solve_linprog.py +++ b/fuzzers/007-timing/solve_linprog.py @@ -105,11 +105,6 @@ def run_corner(Anp, b, names, verbose=False, opts={}, meta={}, outfn=None): if nonzero and (verbose or ((nonzeros < 100 or nonzeros % 20 == 0) and nonzeros <= plim)): print(' % 4u % -80s % 10.1f' % (xi, name, x)) print('Delay on %d / %d' % (nonzeros, len(res.x))) - if not os.path.exists('res'): - os.mkdir('res') - fn_out = 'res/%s' % datetime.datetime.utcnow().isoformat().split('.')[0] - print('Writing %s' % fn_out) - np.save(fn_out, (3, c, A_ub, b_ub, bounds, names, res, meta)) if outfn: # ballpark minimum actual observed delay is around 7 (carry chain) diff --git a/fuzzers/007-timing/timfuz.py b/fuzzers/007-timing/timfuz.py index 868e8126..09b34da2 100644 --- a/fuzzers/007-timing/timfuz.py +++ b/fuzzers/007-timing/timfuz.py @@ -130,12 +130,20 @@ def Ab_ub_dt2d(eqns): return list(A_ubd), list(b_ub) # This significantly reduces runtime -def simplify_rows(Ads, b_ub, remove_zd=False): +def simplify_rows(Ads, b_ub, remove_zd=False, corner=None): '''Remove duplicate equations, taking highest delay''' # dict of constants to highest delay eqns = OrderedDict() assert len(Ads) == len(b_ub), (len(Ads), len(b_ub)) + assert corner is not None + minmax = { + 'fast_max': max, + 'fast_min': min, + 'slow_max': max, + 'slow_min': min, + }[corner] + sys.stdout.write('SimpR ') sys.stdout.flush() progress = int(max(1, len(b_ub) / 100)) @@ -161,7 +169,7 @@ def simplify_rows(Ads, b_ub, remove_zd=False): continue rowt = Ar_ds2t(rowd) - eqns[rowt] = max(eqns.get(rowt, 0), b) + eqns[rowt] = minmax(eqns.get(rowt, 0), b) print(' done') @@ -473,159 +481,6 @@ def filter_ncols(A_ubd, b_ub, cols_min=0, cols_max=0): assert len(b_ub_ret) return A_ubd_ret, b_ub_ret -def preprocess(A_ubd, b_ub, opts, names, verbose=0): - def debug(what): - if verbose: - print('') - print_eqns(A_ubd, b_ub, verbose=verbose, label=what, lim=20) - col_dist(A_ubd, what, names) - check_feasible_d(A_ubd, b_ub, names) - - col_dist(A_ubd, 'pre-filt', names, lim=12) - debug('pre-filt') - - need_simpc = 0 - - # Input set may have redundant constraints - A_ubd, b_ub = simplify_rows(A_ubd=A_ubd, b_ub=b_ub) - debug("simp_rows") - cols_min_pre = opts.get('cols_min_pre', None) - cols_max_pre = opts.get('cols_max_pre', None) - # Filter input based on number of columns - if cols_min_pre or cols_max_pre: - A_ubd, b_ub = filter_ncols(A_ubd=A_ubd, b_ub=b_ub, cols_min=cols_min_pre, cols_max=cols_max_pre) - debug("filt_ncols") - need_simpc = 1 - - # Limit input rows, mostly for quick full run checks - row_limit = opts.get('row_limit', None) - if row_limit: - before_rows = len(b_ub) - A_ubd = A_ubd[0:row_limit] - b_ub = b_ub[0:row_limit] - print('Row limit %d => %d rows' % (before_rows, len(b_ub))) - need_simpc = 1 - - if need_simpc: - names, A_ubd, b_ub = simplify_cols(names=names, A_ubd=A_ubd, b_ub=b_ub) - debug("simp_cols") - - return A_ubd, b_ub, names - -def massage_equations(A_ubd, b_ub, opts, names, verbose=0): - ''' - Equation pipeline - Some operations may generate new equations - Simplify after these to avoid unnecessary overhead on redundant constraints - Similarly some operations may eliminate equations, potentially eliminating a column (ie variable) - Remove these columns as necessary to speed up solving - ''' - - def debug(what): - if verbose: - print('') - print_eqns(A_ubd, b_ub, verbose=verbose, label=what, lim=20) - col_dist(A_ubd, what, names) - check_feasible_d(A_ubd, b_ub, names) - - A_ubd, b_ub, names = preprocess(A_ubd, b_ub, opts, names, verbose=verbose) - - # Try to (intelligently) subtract equations to generate additional constraints - # This helps avoid putting all delay in a single shared variable - derive_lim = opts.get('derive_lim', None) - if derive_lim: - dstart = len(b_ub) - - # Original simple - if 0: - for di in range(derive_lim): - print - assert len(A_ubd) == len(b_ub) - n_orig = len(b_ub) - - # Meat of the operation - # Focus on easy equations for first pass to get a lot of easy derrivations - col_lim = 12 if di == 0 else None - #col_lim = None - A_ubd, b_ub = derive_eq_by_row(A_ubd, b_ub, col_lim=col_lim) - debug("der_rows") - # Run another simplify pass since new equations may have overlap with original - A_ubd, b_ub = simplify_rows(A_ubd, b_ub) - print('Derive row %d / %d: %d => %d equations' % (di + 1, derive_lim, n_orig, len(b_ub))) - debug("der_rows simp") - - n_orig2 = len(b_ub) - # Meat of the operation - A_ubd, b_ub = derive_eq_by_col(A_ubd, b_ub) - debug("der_cols") - # Run another simplify pass since new equations may have overlap with original - A_ubd, b_ub = simplify_rows(A_ubd=A_ubd, b_ub=b_ub) - print('Derive col %d / %d: %d => %d equations' % (di + 1, derive_lim, n_orig2, len(b_ub))) - debug("der_cols simp") - - if n_orig == len(b_ub): - break - - if 1: - # Each iteration one more column is allowed until all columns are included - # (and the system is stable) - col_lim = 15 - di = 0 - while True: - print - n_orig = len(b_ub) - - print('Loop %d, lim %d' % (di + 1, col_lim)) - # Meat of the operation - A_ubd, b_ub = derive_eq_by_row(A_ubd, b_ub, col_lim=col_lim, tweak=True) - debug("der_rows") - # Run another simplify pass since new equations may have overlap with original - A_ubd, b_ub = simplify_rows(A_ubd, b_ub) - print('Derive row: %d => %d equations' % (n_orig, len(b_ub))) - debug("der_rows simp") - - n_orig2 = len(b_ub) - # Meat of the operation - A_ubd, b_ub = derive_eq_by_col(A_ubd, b_ub) - debug("der_cols") - # Run another simplify pass since new equations may have overlap with original - A_ubd, b_ub = simplify_rows(A_ubd=A_ubd, b_ub=b_ub) - print('Derive col %d: %d => %d equations' % (di + 1, n_orig2, len(b_ub))) - debug("der_cols simp") - - # Doesn't help computation, but helps debugging - names, A_ubd, b_ub = simplify_cols(names=names, A_ubd=A_ubd, b_ub=b_ub) - A_ubd, b_ub = sort_equations(A_ubd, b_ub) - debug("loop done") - col_dist(A_ubd, 'derive done iter %d, lim %d' % (di, col_lim), names, lim=12) - - rows = len(A_ubd) - if n_orig == len(b_ub) and col_lim >= rows: - break - col_lim += col_lim / 5 - di += 1 - - dend = len(b_ub) - print('') - print('Derive net: %d => %d' % (dstart, dend)) - print('') - # Was experimentting to see how much the higher order columns really help - - cols_min_post = opts.get('cols_min_post', None) - cols_max_post = opts.get('cols_max_post', None) - # Filter input based on number of columns - if cols_min_post or cols_max_post: - A_ubd, b_ub = filter_ncols(A_ubd=A_ubd, b_ub=b_ub, cols_min=cols_min_post, cols_max=cols_max_post) - debug("filter_ncals final") - - names, A_ubd, b_ub = simplify_cols(names=names, A_ubd=A_ubd, b_ub=b_ub) - debug("simp_cols final") - - # Helps debug readability - A_ubd, b_ub = sort_equations(A_ubd, b_ub) - debug("final (sorted)") - return names, A_ubd, b_ub - def Ar_di2ds(rowA, names): row = OrderedDict() for k, v in rowA.items(): diff --git a/fuzzers/007-timing/timfuz_massage.py b/fuzzers/007-timing/timfuz_massage.py index 046886ce..e35f4e28 100644 --- a/fuzzers/007-timing/timfuz_massage.py +++ b/fuzzers/007-timing/timfuz_massage.py @@ -323,7 +323,7 @@ def derive_eq_by_col(Ads, b_ub, verbose=0): return Ads_ret, b_ret # keep derriving until solution is (probably) stable -def massage_equations_old(Ads, b, verbose=False, derive_lim=3): +def massage_equations_old(Ads, b, verbose=False, derive_lim=3, corner=None): ''' Equation pipeline Some operations may generate new equations @@ -356,7 +356,7 @@ def massage_equations_old(Ads, b, verbose=False, derive_lim=3): Ads, b = derive_eq_by_row(Ads, b, col_lim=col_lim) debug("der_rows") # Run another simplify pass since new equations may have overlap with original - Ads, b = simplify_rows(Ads, b) + Ads, b = simplify_rows(Ads, b, corner=corner) print('Derive row %d / %d: %d => %d equations' % (di + 1, derive_lim, n_orig, len(b))) debug("der_rows simp") @@ -365,7 +365,7 @@ def massage_equations_old(Ads, b, verbose=False, derive_lim=3): Ads, b = derive_eq_by_col(Ads, b) debug("der_cols") # Run another simplify pass since new equations may have overlap with original - Ads, b = simplify_rows(Ads, b) + Ads, b = simplify_rows(Ads, b, corner=corner) print('Derive col %d / %d: %d => %d equations' % (di + 1, derive_lim, n_orig2, len(b))) debug("der_cols simp") @@ -394,7 +394,7 @@ def massage_equations_old(Ads, b, verbose=False, derive_lim=3): return Ads, b # iteratively increasing column limit until all columns are added -def massage_equations_inc_col_lim(Ads, b, verbose=False): +def massage_equations_inc_col_lim(Ads, b, verbose=False, corner=None): ''' Equation pipeline Some operations may generate new equations @@ -428,7 +428,7 @@ def massage_equations_inc_col_lim(Ads, b, verbose=False): Ads, b = derive_eq_by_row(Ads, b, col_lim=col_lim, tweak=True) debug("der_rows") # Run another simplify pass since new equations may have overlap with original - Ads, b = simplify_rows(Ads, b) + Ads, b = simplify_rows(Ads, b, corner=corner) print('Derive row: %d => %d equations' % (n_orig, len(b))) debug("der_rows simp") @@ -437,7 +437,7 @@ def massage_equations_inc_col_lim(Ads, b, verbose=False): Ads, b = derive_eq_by_col(Ads, b) debug("der_cols") # Run another simplify pass since new equations may have overlap with original - Ads, b = simplify_rows(Ads, b) + Ads, b = simplify_rows(Ads, b, corner=corner) print('Derive col %d: %d => %d equations' % (di + 1, n_orig2, len(b))) debug("der_cols simp") @@ -467,7 +467,7 @@ def massage_equations_inc_col_lim(Ads, b, verbose=False): # only derive based on nearby equations # theory is they will be the best to diff -def massage_equations_near(Ads, b, verbose=False): +def massage_equations_near(Ads, b, verbose=False, corner=None): ''' Equation pipeline Some operations may generate new equations @@ -497,7 +497,7 @@ def massage_equations_near(Ads, b, verbose=False): Ads, b = derive_eq_by_near_row(Ads, b, tweak=True) debug("der_rows") # Run another simplify pass since new equations may have overlap with original - Ads, b = simplify_rows(Ads, b) + Ads, b = simplify_rows(Ads, b, corner=corner) print('Derive row: %d => %d equations' % (n_orig, len(b))) debug("der_rows simp") @@ -506,7 +506,7 @@ def massage_equations_near(Ads, b, verbose=False): Ads, b = derive_eq_by_col(Ads, b) debug("der_cols") # Run another simplify pass since new equations may have overlap with original - Ads, b = simplify_rows(Ads, b) + Ads, b = simplify_rows(Ads, b, corner=corner) print('Derive col: %d => %d equations' % (n_orig2, len(b))) debug("der_cols simp") diff --git a/fuzzers/007-timing/timfuz_solve.py b/fuzzers/007-timing/timfuz_solve.py index c6343e70..0d5b36d9 100644 --- a/fuzzers/007-timing/timfuz_solve.py +++ b/fuzzers/007-timing/timfuz_solve.py @@ -91,7 +91,7 @@ def run(fns_in, corner, run_corner, sub_json=None, sub_csv=None, dedup=True, mas if dedup: oldn = len(Ads) iold = instances(Ads) - Ads, b = simplify_rows(Ads, b) + Ads, b = simplify_rows(Ads, b, corner=corner) print('Simplify %u => %u rows' % (oldn, len(Ads))) print('Simplify %u => %u instances' % (iold, instances(Ads))) @@ -142,7 +142,7 @@ def run(fns_in, corner, run_corner, sub_json=None, sub_csv=None, dedup=True, mas This creates derived constraints to provide more realistic results ''' if massage: - Ads, b = massage_equations(Ads, b) + Ads, b = massage_equations(Ads, b, corner=corner) print('Converting to numpy...') names, Anp = A_ds2np(Ads) From 7e4378446927b8a4a6ded34e29baa3c3de013d30 Mon Sep 17 00:00:00 2001 From: John McMaster Date: Tue, 11 Sep 2018 18:22:22 -0700 Subject: [PATCH 38/55] timfuz: remove dead code Signed-off-by: John McMaster --- fuzzers/007-timing/timfuz_solve.py | 17 ++++++----------- 1 file changed, 6 insertions(+), 11 deletions(-) diff --git a/fuzzers/007-timing/timfuz_solve.py b/fuzzers/007-timing/timfuz_solve.py index 0d5b36d9..5b66ad35 100644 --- a/fuzzers/007-timing/timfuz_solve.py +++ b/fuzzers/007-timing/timfuz_solve.py @@ -111,17 +111,12 @@ def run(fns_in, corner, run_corner, sub_json=None, sub_csv=None, dedup=True, mas # however, I wanted to do some filtering based on expected form if sub_csv: Ads2, b2 = loadc_Ads_b([sub_csv], corner, ico=True) - if 0: - Ads = Ads + Ads2 - b = b + b2 - else: - bounds = Ads2bounds(Ads2, b2) - rows_old = len(Ads) - Ads, b = filter_bounds(Ads, b, bounds) - print('Filter bounds: %s => %s rows' % (rows_old, len(Ads))) - if 1: - Ads = Ads + Ads2 - b = b + b2 + bounds = Ads2bounds(Ads2, b2) + rows_old = len(Ads) + Ads, b = filter_bounds(Ads, b, bounds) + print('Filter bounds: %s => %s rows' % (rows_old, len(Ads))) + Ads = Ads + Ads2 + b = b + b2 if verbose: print From a4950a86025cb3e3b0a805f9b116f1f763d874bc Mon Sep 17 00:00:00 2001 From: John McMaster Date: Tue, 11 Sep 2018 18:36:19 -0700 Subject: [PATCH 39/55] timfuz: misc cleanup Signed-off-by: John McMaster --- fuzzers/007-timing/solve_leastsq.py | 87 ++++++++++++++--------------- fuzzers/007-timing/solve_linprog.py | 2 +- fuzzers/007-timing/timfuz_solve.py | 8 ++- 3 files changed, 48 insertions(+), 49 deletions(-) diff --git a/fuzzers/007-timing/solve_leastsq.py b/fuzzers/007-timing/solve_leastsq.py index fde102c2..bbb20ecc 100644 --- a/fuzzers/007-timing/solve_leastsq.py +++ b/fuzzers/007-timing/solve_leastsq.py @@ -20,16 +20,52 @@ import scipy.optimize as optimize from scipy.optimize import least_squares def mkestimate(Anp, b): + ''' + Ballpark upper bound estimate assuming variables contribute all of the delay in their respective row + Return the min of all of the occurances + + XXX: should this be corner adjusted? + ''' cols = len(Anp[0]) x0 = np.array([1e3 for _x in range(cols)]) for row_np, row_b in zip(Anp, b): for coli, val in enumerate(row_np): if val: + # Scale by number occurances ub = row_b / val if ub >= 0: x0[coli] = min(x0[coli], ub) return x0 +def save(outfn, res, names): + # ballpark minimum actual observed delay is around 7 (carry chain) + # anything less than one is probably a solver artifact + delta = 0.5 + + print('Writing resutls') + skips = 0 + with open(outfn, 'w') as fout: + # write as one variable per line + # this natively forms a bound if fed into linprog solver + fout.write('ico,fast_max fast_min slow_max slow_min,rows...\n') + for xval, name in zip(res.x, names): + row_ico = 1 + + # FIXME: only report for the given corner? + # also review ceil vs floor choice for min vs max + # lets be more conservative for now + if xval < delta: + #print('Skipping %s: %0.6f' % (name, xval)) + skips += 1 + continue + #xvali = round(xval) + xvali = math.ceil(xval) + corners = [xvali for _ in range(4)] + items = [str(row_ico), ' '.join([str(x) for x in corners])] + items.append('%u %s' % (1, name)) + fout.write(','.join(items) + '\n') + print('Wrote: skip %u => %u / %u valid delays' % (skips, len(names) - skips, len(names))) + def run_corner(Anp, b, names, verbose=False, opts={}, meta={}, outfn=None): # Given timing scores for above delays (-ps) assert type(Anp[0]) is np.ndarray, type(Anp[0]) @@ -93,59 +129,20 @@ def run_corner(Anp, b, names, verbose=False, opts={}, meta={}, outfn=None): #x0 = np.array([1000.0 for _x in range(cols)]) print('Creating x0 estimate') x0 = mkestimate(Anp, b) - #print('x0', x0) - if 0: - x, cov_x, infodict, mesg, ier = optimize.leastsq(func, x0, args=(), full_output=True) - print('x', x) - print('cov_x', cov_x) - print('infodictx', infodict) - print('mesg', mesg) - print('ier', ier) - print(' Solution found: %s' % (ier in (1, 2, 3, 4))) - else: - print('Solving') - res = least_squares(func, x0, bounds=(0, float('inf'))) - if 0: - print(res) - print('') - print(res.x) - print('Done') - if outfn: - # ballpark minimum actual observed delay is around 7 (carry chain) - # anything less than one is probably a solver artifact - delta = 0.5 + print('Solving') + res = least_squares(func, x0, bounds=(0, float('inf'))) + print('Done') - print('Writing resutls') - skips = 0 - with open(outfn, 'w') as fout: - # write as one variable per line - # this natively forms a bound if fed into linprog solver - fout.write('ico,fast_max fast_min slow_max slow_min,rows...\n') - for xval, name in zip(res.x, names): - row_ico = 1 - - # FIXME: only report for the given corner? - # also review ceil vs floor choice for min vs max - # lets be more conservative for now - if xval < delta: - #print('Skipping %s: %0.6f' % (name, xval)) - skips += 1 - continue - #xvali = round(xval) - xvali = math.ceil(xval) - corners = [xvali for _ in range(4)] - items = [str(row_ico), ' '.join([str(x) for x in corners])] - items.append('%u %s' % (1, name)) - fout.write(','.join(items) + '\n') - print('Wrote: skip %u => %u / %u valid delays' % (skips, len(names) - skips, len(names))) + if outfn: + save(outfn, res, names) def main(): import argparse parser = argparse.ArgumentParser( description= - 'Solve timing solution' + 'Solve timing solution using least squares objective function' ) parser.add_argument('--verbose', action='store_true', help='') diff --git a/fuzzers/007-timing/solve_linprog.py b/fuzzers/007-timing/solve_linprog.py index ec25474c..c33cd34a 100644 --- a/fuzzers/007-timing/solve_linprog.py +++ b/fuzzers/007-timing/solve_linprog.py @@ -140,7 +140,7 @@ def main(): parser = argparse.ArgumentParser( description= - 'Solve timing solution' + 'Solve timing solution using linear programming inequalities' ) parser.add_argument('--verbose', action='store_true', help='') diff --git a/fuzzers/007-timing/timfuz_solve.py b/fuzzers/007-timing/timfuz_solve.py index 5b66ad35..c9af58b1 100644 --- a/fuzzers/007-timing/timfuz_solve.py +++ b/fuzzers/007-timing/timfuz_solve.py @@ -106,9 +106,11 @@ def run(fns_in, corner, run_corner, sub_json=None, sub_csv=None, dedup=True, mas else: names = index_names(Ads) - # post substitution csv - # actually this might not be strictly necessary since subs would just not apply - # however, I wanted to do some filtering based on expected form + ''' + Substitution .csv + Special .csv containing one variable per line + Used primarily for multiple optimization passes, such as different algorithms or additional constraints + ''' if sub_csv: Ads2, b2 = loadc_Ads_b([sub_csv], corner, ico=True) bounds = Ads2bounds(Ads2, b2) From a55b766c44bf757bf6cfc80a84a61832db9548a0 Mon Sep 17 00:00:00 2001 From: John McMaster Date: Tue, 11 Sep 2018 19:45:33 -0700 Subject: [PATCH 40/55] timfuz: track corners properly Signed-off-by: John McMaster --- fuzzers/007-timing/csv_flat2group.py | 12 ++--- fuzzers/007-timing/csv_group2flat.py | 34 ++++++------ fuzzers/007-timing/projects/project.mk | 9 ++-- fuzzers/007-timing/solve_leastsq.py | 20 +++----- fuzzers/007-timing/solve_linprog.py | 71 +++++++++++--------------- fuzzers/007-timing/tile_annotate.py | 22 ++++---- fuzzers/007-timing/timfuz.py | 33 ++++++++++-- fuzzers/007-timing/timfuz_solve.py | 2 +- 8 files changed, 111 insertions(+), 92 deletions(-) diff --git a/fuzzers/007-timing/csv_flat2group.py b/fuzzers/007-timing/csv_flat2group.py index 57be54a5..f1398b87 100644 --- a/fuzzers/007-timing/csv_flat2group.py +++ b/fuzzers/007-timing/csv_flat2group.py @@ -1,11 +1,10 @@ #!/usr/bin/env python3 -from timfuz import Benchmark, loadc_Ads_b, index_names, load_sub, run_sub_json, instances +from timfuz import Benchmark, loadc_Ads_bs, index_names, load_sub, run_sub_json, instances def gen_group(fnin, sub_json, strict=False, verbose=False): print('Loading data') - # FIXME: preserve corners - Ads, b = loadc_Ads_b([fnin], corner=None, ico=True) + Ads, bs = loadc_Ads_bs([fnin], ico=True) print('Sub: %u rows' % len(Ads)) iold = instances(Ads) @@ -15,10 +14,10 @@ def gen_group(fnin, sub_json, strict=False, verbose=False): print("Sub: %u => %u names" % (len(names_old), len(names))) print('Sub: %u => %u instances' % (iold, instances(Ads))) - for row_ds, row_b in zip(Ads, b): - yield row_ds, [row_b for _ in range(4)] + for row_ds, row_bs in zip(Ads, bs): + yield row_ds, row_bs -def run(fns_in, fnout, sub_json, corner=None, strict=False, verbose=False): +def run(fns_in, fnout, sub_json, strict=False, verbose=False): with open(fnout, 'w') as fout: fout.write('ico,fast_max fast_min slow_max slow_min,rows...\n') for fn_in in fns_in: @@ -38,7 +37,6 @@ def main(): ) parser.add_argument('--verbose', action='store_true', help='') - parser.add_argument('--massage', action='store_true', help='') parser.add_argument('--strict', action='store_true', help='') parser.add_argument('--sub-csv', help='') parser.add_argument('--sub-json', required=True, help='Group substitutions to make fully ranked') diff --git a/fuzzers/007-timing/csv_group2flat.py b/fuzzers/007-timing/csv_group2flat.py index bf5c2870..2449b916 100644 --- a/fuzzers/007-timing/csv_group2flat.py +++ b/fuzzers/007-timing/csv_group2flat.py @@ -2,7 +2,7 @@ # https://docs.scipy.org/doc/scipy-0.18.1/reference/generated/scipy.optimize.linprog.html from scipy.optimize import linprog -from timfuz import Benchmark, Ar_di2np, Ar_ds2t, A_di2ds, A_ds2di, simplify_rows, loadc_Ads_b, index_names, A_ds2np, load_sub, run_sub_json, A_ub_np2d, print_eqns, print_eqns_np, Ads2bounds, loadc_Ads_raw +from timfuz import Benchmark, loadc_Ads_bs, load_sub, Ads2bounds, corners2csv, corner_s2i from timfuz_massage import massage_equations import numpy as np import glob @@ -15,15 +15,13 @@ import datetime import os import time -def gen_flat(fnin, sub_json): - # FIXME: preserve all bounds - # Ads, bs = loadc_Ads_raw([csv_fn_in]) - Ads, b = loadc_Ads_b([fnin], corner=None, ico=True) - bounds = Ads2bounds(Ads, b) +def gen_flat(fnin, sub_json, corner=None): + Ads, bs = loadc_Ads_bs([fnin], ico=True) + bounds = Ads2bounds(Ads, bs) zeros = set() nonzeros = set() - for bound_name, bound_b in bounds.items(): + for bound_name, bound_bs in bounds.items(): sub = sub_json['subs'].get(bound_name, None) if sub: # put entire delay into pivot @@ -34,18 +32,23 @@ def gen_flat(fnin, sub_json): #for name in non_pivot: # assert name not in nonzeros, (pivot, name, nonzeros) zeros.update(non_pivot) - yield pivot, bound_b + yield pivot, bound_bs else: nonzeros.add(bound_name) - yield bound_name, bound_b + yield bound_name, bound_bs # non-pivots can appear multiple times, but they should always be zero # however, due to substitution limitations, just warn violations = zeros.intersection(nonzeros) if len(violations): print('WARNING: %s non-0 non-pivot' % (len(violations))) - for zero in zeros - violations: - yield zero, 0 + # XXX: how to best handle these? + # should they be fixed 0? + if corner: + zero_row = [None, None, None, None] + zero_row[corner_s2i[corner]] = 0 + for zero in zeros - violations: + yield zero, zero_row def run(fnin, fnout, sub_json, corner=None, sort=False, verbose=False): if sort: @@ -55,10 +58,10 @@ def run(fnin, fnout, sub_json, corner=None, sort=False, verbose=False): with open(fnout, 'w') as fout: fout.write('ico,fast_max fast_min slow_max slow_min,rows...\n') - for name, delay in sortf(gen_flat(fnin, sub_json)): + #for name, corners in sortf(gen_flat(fnin, sub_json)): + for name, corners in gen_flat(fnin, sub_json, corner=corner): row_ico = 1 - corners = [delay for _ in range(4)] - items = [str(row_ico), ' '.join([str(x) for x in corners])] + items = [str(row_ico), corners2csv(corners)] items.append('%u %s' % (1, name)) fout.write(','.join(items) + '\n') @@ -74,6 +77,7 @@ def main(): parser.add_argument('--sort', action='store_true', help='') parser.add_argument('--sub-csv', help='') parser.add_argument('--sub-json', required=True, help='Group substitutions to make fully ranked') + parser.add_argument('--corner', default=None, help='') parser.add_argument('fnin', default=None, help='input timing delay .csv') parser.add_argument('fnout', default=None, help='output timing delay .csv') args = parser.parse_args() @@ -83,7 +87,7 @@ def main(): sub_json = load_sub(args.sub_json) try: - run(args.fnin, args.fnout, sub_json=sub_json, sort=args.sort, verbose=args.verbose) + run(args.fnin, args.fnout, sub_json=sub_json, sort=args.sort, verbose=args.verbose, corner=args.corner) finally: print('Exiting after %s' % bench) diff --git a/fuzzers/007-timing/projects/project.mk b/fuzzers/007-timing/projects/project.mk index f870af11..45a6165c 100644 --- a/fuzzers/007-timing/projects/project.mk +++ b/fuzzers/007-timing/projects/project.mk @@ -3,6 +3,7 @@ SPECIMENS := $(addprefix specimen_,$(shell seq -f '%03.0f' $(N))) SPECIMENS_OK := $(addsuffix /OK,$(SPECIMENS)) CSVS := $(addsuffix /timing3.csv,$(SPECIMENS)) TIMFUZ_DIR=$(XRAY_DIR)/fuzzers/007-timing +CORNER=slow_max all: build/tilea.json @@ -26,7 +27,7 @@ build/sub.json: $(SPECIMENS_OK) mkdir -p build # Discover which variables can be separated # This is typically the longest running operation - python3 $(TIMFUZ_DIR)/rref.py --simplify --out build/sub.json.tmp $(CSVS) + python3 $(TIMFUZ_DIR)/rref.py --corner $(CORNER) --simplify --out build/sub.json.tmp $(CSVS) mv build/sub.json.tmp build/sub.json build/grouped.csv: $(SPECIMENS_OK) build/sub.json @@ -41,17 +42,17 @@ build/checksub: build/grouped.csv build/sub.json build/leastsq.csv: build/sub.json build/grouped.csv build/checksub # Create a rough timing model that approximately fits the given paths - python3 $(TIMFUZ_DIR)/solve_leastsq.py --sub-json build/sub.json build/grouped.csv --out build/leastsq.csv.tmp + python3 $(TIMFUZ_DIR)/solve_leastsq.py --sub-json build/sub.json build/grouped.csv --corner $(CORNER) --out build/leastsq.csv.tmp mv build/leastsq.csv.tmp build/leastsq.csv build/linprog.csv: build/leastsq.csv build/grouped.csv # Tweak rough timing model, making sure all constraints are satisfied - python3 $(TIMFUZ_DIR)/solve_linprog.py --sub-json build/sub.json --sub-csv build/leastsq.csv --massage build/grouped.csv --out build/linprog.csv.tmp + python3 $(TIMFUZ_DIR)/solve_linprog.py --sub-json build/sub.json --sub-csv build/leastsq.csv --massage build/grouped.csv --corner $(CORNER) --out build/linprog.csv.tmp mv build/linprog.csv.tmp build/linprog.csv build/flat.csv: build/linprog.csv # Take separated variables and back-annotate them to the original timing variables - python3 $(TIMFUZ_DIR)/csv_group2flat.py --sub-json build/sub.json --sort build/linprog.csv build/flat.csv.tmp + python3 $(TIMFUZ_DIR)/csv_group2flat.py --sub-json build/sub.json --corner $(CORNER) --sort build/linprog.csv build/flat.csv.tmp mv build/flat.csv.tmp build/flat.csv build/tilea.json: build/flat.csv diff --git a/fuzzers/007-timing/solve_leastsq.py b/fuzzers/007-timing/solve_leastsq.py index bbb20ecc..10cacbe3 100644 --- a/fuzzers/007-timing/solve_leastsq.py +++ b/fuzzers/007-timing/solve_leastsq.py @@ -2,20 +2,16 @@ # https://docs.scipy.org/doc/scipy-0.18.1/reference/generated/scipy.optimize.linprog.html from scipy.optimize import linprog -from timfuz import Benchmark, Ar_di2np, Ar_ds2t, A_di2ds, A_ds2di, simplify_rows, loadc_Ads_b, index_names, A_ds2np, load_sub, run_sub_json, A_ub_np2d, print_eqns, print_eqns_np -from timfuz_massage import massage_equations +from timfuz import Benchmark, load_sub, corner_s2i, acorner2csv +import timfuz import numpy as np import glob -import json import math -from collections import OrderedDict from fractions import Fraction import sys -import datetime import os import time import timfuz_solve -import numpy import scipy.optimize as optimize from scipy.optimize import least_squares @@ -37,10 +33,11 @@ def mkestimate(Anp, b): x0[coli] = min(x0[coli], ub) return x0 -def save(outfn, res, names): +def save(outfn, res, names, corner): # ballpark minimum actual observed delay is around 7 (carry chain) # anything less than one is probably a solver artifact delta = 0.5 + corneri = corner_s2i[corner] print('Writing resutls') skips = 0 @@ -59,14 +56,13 @@ def save(outfn, res, names): skips += 1 continue #xvali = round(xval) - xvali = math.ceil(xval) - corners = [xvali for _ in range(4)] - items = [str(row_ico), ' '.join([str(x) for x in corners])] + + items = [str(row_ico), acorner2csv(math.ceil(xval), corneri)] items.append('%u %s' % (1, name)) fout.write(','.join(items) + '\n') print('Wrote: skip %u => %u / %u valid delays' % (skips, len(names) - skips, len(names))) -def run_corner(Anp, b, names, verbose=False, opts={}, meta={}, outfn=None): +def run_corner(Anp, b, names, corner, verbose=False, opts={}, meta={}, outfn=None): # Given timing scores for above delays (-ps) assert type(Anp[0]) is np.ndarray, type(Anp[0]) assert type(b) is np.ndarray, type(b) @@ -135,7 +131,7 @@ def run_corner(Anp, b, names, verbose=False, opts={}, meta={}, outfn=None): print('Done') if outfn: - save(outfn, res, names) + save(outfn, res, names, corner) def main(): import argparse diff --git a/fuzzers/007-timing/solve_linprog.py b/fuzzers/007-timing/solve_linprog.py index c33cd34a..e8fa4ac1 100644 --- a/fuzzers/007-timing/solve_linprog.py +++ b/fuzzers/007-timing/solve_linprog.py @@ -2,21 +2,44 @@ # https://docs.scipy.org/doc/scipy-0.18.1/reference/generated/scipy.optimize.linprog.html from scipy.optimize import linprog -from timfuz import Benchmark, Ar_di2np, Ar_ds2t, A_di2ds, A_ds2di, simplify_rows, loadc_Ads_b, index_names, A_ds2np, load_sub, run_sub_json, A_ub_np2d, print_eqns, print_eqns_np -from timfuz_massage import massage_equations +from timfuz import Benchmark, load_sub, A_ub_np2d, acorner2csv, corner_s2i import numpy as np import glob import json import math -from collections import OrderedDict -from fractions import Fraction import sys -import datetime import os import time import timfuz_solve -def run_corner(Anp, b, names, verbose=False, opts={}, meta={}, outfn=None): +def save(outfn, res, names, corner): + # ballpark minimum actual observed delay is around 7 (carry chain) + # anything less than one is probably a solver artifact + delta = 0.5 + corneri = corner_s2i[corner] + + print('Writing resutls') + zeros = 0 + with open(outfn, 'w') as fout: + # write as one variable per line + # this natively forms a bound if fed into linprog solver + fout.write('ico,fast_max fast_min slow_max slow_min,rows...\n') + for xval, name in zip(res.x, names): + row_ico = 1 + + # FIXME: only report for the given corner? + # also review ceil vs floor choice for min vs max + # lets be more conservative for now + if xval < delta: + print('WARNING: near 0 delay on %s: %0.6f' % (name, xval)) + zeros += 1 + #continue + items = [str(row_ico), acorner2csv(math.ceil(xval), corneri)] + items.append('%u %s' % (1, name)) + fout.write(','.join(items) + '\n') + print('Wrote: zeros %u => %u / %u constrained delays' % (zeros, len(names) - zeros, len(names))) + +def run_corner(Anp, b, names, corner, verbose=False, opts={}, meta={}, outfn=None): # Given timing scores for above delays (-ps) assert type(Anp[0]) is np.ndarray, type(Anp[0]) assert type(b) is np.ndarray, type(b) @@ -41,12 +64,6 @@ def run_corner(Anp, b, names, verbose=False, opts={}, meta={}, outfn=None): #A_ub = -1.0 * Anp A_ub = [-1.0 * x for x in Anp] - if verbose: - print('') - print('A_ub b_ub') - print_eqns_np(A_ub, b_ub, verbose=verbose) - print('') - print('Creating misc constants...') # Minimization function scalars # Treat all logic elements as equally important @@ -107,33 +124,7 @@ def run_corner(Anp, b, names, verbose=False, opts={}, meta={}, outfn=None): print('Delay on %d / %d' % (nonzeros, len(res.x))) if outfn: - # ballpark minimum actual observed delay is around 7 (carry chain) - # anything less than one is probably a solver artifact - delta = 0.5 - - print('Writing resutls') - zeros = 0 - with open(outfn, 'w') as fout: - # write as one variable per line - # this natively forms a bound if fed into linprog solver - fout.write('ico,fast_max fast_min slow_max slow_min,rows...\n') - for xval, name in zip(res.x, names): - row_ico = 1 - - # FIXME: only report for the given corner? - # also review ceil vs floor choice for min vs max - # lets be more conservative for now - if xval < delta: - print('WARNING: near 0 delay on %s: %0.6f' % (name, xval)) - zeros += 1 - #continue - #xvali = round(xval) - xvali = math.ceil(xval) - corners = [xvali for _ in range(4)] - items = [str(row_ico), ' '.join([str(x) for x in corners])] - items.append('%u %s' % (1, name)) - fout.write(','.join(items) + '\n') - print('Wrote: zeros %u => %u / %u constrained delays' % (zeros, len(names) - zeros, len(names))) + save(outfn, res, names, corner) def main(): import argparse @@ -147,7 +138,7 @@ def main(): parser.add_argument('--massage', action='store_true', help='') parser.add_argument('--sub-csv', help='') parser.add_argument('--sub-json', help='Group substitutions to make fully ranked') - parser.add_argument('--corner', default="slow_max", help='') + parser.add_argument('--corner', default=None, required=True, help='') parser.add_argument('--out', default=None, help='output timing delay .json') parser.add_argument( 'fns_in', diff --git a/fuzzers/007-timing/tile_annotate.py b/fuzzers/007-timing/tile_annotate.py index 005b6c52..5b897b4d 100644 --- a/fuzzers/007-timing/tile_annotate.py +++ b/fuzzers/007-timing/tile_annotate.py @@ -1,7 +1,7 @@ #!/usr/bin/env python3 import timfuz -from timfuz import loadc_Ads_b, Ads2bounds +from timfuz import loadc_Ads_bs, Ads2bounds import sys import os @@ -17,37 +17,41 @@ def run(fnin, fnout, tile_json_fn, verbose=False): tilej = json.load(open(tile_json_fn, 'r')) # FIXME: all corners - Ads, b = loadc_Ads_b([fnin], corner=None, ico=True) - bounds = Ads2bounds(Ads, b) + Ads, bs = loadc_Ads_bs([fnin], ico=True) + bounds = Ads2bounds(Ads, bs) pipn_net = 0 pipn_solved = [0, 0, 0, 0] + pipn_covered = [0, 0, 0, 0] wiren_net = 0 wiren_solved = [0, 0, 0, 0] + wiren_covered = [0, 0, 0, 0] for tile in tilej['tiles'].values(): pips = tile['pips'] for k, v in pips.items(): - val = bounds.get('PIP_' + v, None) - pips[k] = quad(val) + pips[k] = bounds.get('PIP_' + v, [None, None, None, None]) pipn_net += 1 for i in range(4): if pips[k][i]: pipn_solved[i] += 1 + if pips[k][i] is not None: + pipn_covered[i] += 1 wires = tile['wires'] for k, v in wires.items(): - val = bounds.get('WIRE_' + v, None) - wires[k] = quad(val) + wires[k] = bounds.get('WIRE_' + v, [None, None, None, None]) wiren_net += 1 for i in range(4): if wires[k][i]: wiren_solved[i] += 1 + if wires[k][i] is not None: + wiren_covered[i] += 1 for corner, corneri in timfuz.corner_s2i.items(): print('Corner %s' % corner) - print(' Pips: %u / %u solved' % (pipn_solved[corneri], pipn_net)) - print(' Wires: %u / %u solved' % (wiren_solved[corneri], wiren_net)) + print(' Pips: %u / %u solved, %u / %u covered' % (pipn_solved[corneri], pipn_net, pipn_covered[corneri], pipn_net)) + print(' Wires: %u / %u solved, %u / %u covered' % (wiren_solved[corneri], wiren_net, wiren_covered[corneri], wiren_net)) json.dump(tilej, open(fnout, 'w'), sort_keys=True, indent=4, separators=(',', ': ')) diff --git a/fuzzers/007-timing/timfuz.py b/fuzzers/007-timing/timfuz.py index 09b34da2..c20a1b57 100644 --- a/fuzzers/007-timing/timfuz.py +++ b/fuzzers/007-timing/timfuz.py @@ -530,7 +530,12 @@ def loadc_Ads_mkb(fns, mkb, filt): corners = cols[1] vars = cols[2:] - corners = [int(x) for x in corners.split()] + def mkcorner(bstr): + if bstr == 'None': + return None + else: + return int(bstr) + corners = [mkcorner(corner) for corner in corners.split()] def mkvar(x): i, var = x.split() return (var, int(i)) @@ -556,6 +561,16 @@ def loadc_Ads_b(fns, corner, ico=None): return val[corneri] return loadc_Ads_mkb(fns, mkb, filt) +def loadc_Ads_bs(fns, ico=None): + if ico is not None: + filt = lambda ico_, corners, vars: ico_ == ico + else: + filt = lambda ico_, corners, vars: True + + def mkb(val): + return val + return loadc_Ads_mkb(fns, mkb, filt) + def loadc_Ads_raw(fns): filt = lambda ico, corners, vars: True @@ -699,13 +714,13 @@ def print_eqns_np(A_ub, b_ub, verbose=0): Adi = A_ub_np2d(A_ub) print_eqns(Adi, b_ub, verbose=verbose) -def Ads2bounds(Ads, b): +def Ads2bounds(Ads, bs): ret = {} - for row_ds, row_b in zip(Ads, b): + for row_ds, row_bs in zip(Ads, bs): assert len(row_ds) == 1 k, v = list(row_ds.items())[0] assert v == 1 - ret[k] = row_b + ret[k] = row_bs return ret def instances(Ads): @@ -713,3 +728,13 @@ def instances(Ads): for row_ds in Ads: ret += sum(row_ds.values()) return ret + +def acorner2csv(b, corneri): + corners = ["None" for _ in range(4)] + corners[corneri] = str(b) + return ' '.join(corners) + +def corners2csv(bs): + assert len(bs) == 4 + corners = ["None" if b is None else str(b) for b in bs] + return ' '.join(corners) diff --git a/fuzzers/007-timing/timfuz_solve.py b/fuzzers/007-timing/timfuz_solve.py index c9af58b1..dd08c5e0 100644 --- a/fuzzers/007-timing/timfuz_solve.py +++ b/fuzzers/007-timing/timfuz_solve.py @@ -143,4 +143,4 @@ def run(fns_in, corner, run_corner, sub_json=None, sub_csv=None, dedup=True, mas print('Converting to numpy...') names, Anp = A_ds2np(Ads) - run_corner(Anp, np.asarray(b), names, outfn=outfn, verbose=verbose, **kwargs) + run_corner(Anp, np.asarray(b), names, corner, outfn=outfn, verbose=verbose, **kwargs) From 2dbe379200d6870178bf5087322b24f94cddb448 Mon Sep 17 00:00:00 2001 From: John McMaster Date: Tue, 11 Sep 2018 19:47:31 -0700 Subject: [PATCH 41/55] timfuz: corner FIXME assert Signed-off-by: John McMaster --- fuzzers/007-timing/solve_linprog.py | 2 ++ 1 file changed, 2 insertions(+) diff --git a/fuzzers/007-timing/solve_linprog.py b/fuzzers/007-timing/solve_linprog.py index e8fa4ac1..037cafe2 100644 --- a/fuzzers/007-timing/solve_linprog.py +++ b/fuzzers/007-timing/solve_linprog.py @@ -57,6 +57,8 @@ def run_corner(Anp, b, names, corner, verbose=False, opts={}, meta={}, outfn=Non -delay1 + -delay2 + -delay4 <= -timing1 -delay2 + -delay3 <= -timing2 ''' + assert 'max' in corner, 'FIXME: support min corner math' + rows = len(Anp) cols = len(Anp[0]) print('Scaling to solution form...') From e148ed5f9128a98fad4c549fd0e9cf3f1968651a Mon Sep 17 00:00:00 2001 From: John McMaster Date: Wed, 12 Sep 2018 13:51:44 -0700 Subject: [PATCH 42/55] timfuz: build all four corners Signed-off-by: John McMaster --- fuzzers/007-timing/projects/corner.mk | 42 ++++++++++++++++++++++ fuzzers/007-timing/projects/project.mk | 49 +++++++++++++------------- fuzzers/007-timing/solve_linprog.py | 12 +++++-- fuzzers/007-timing/timfuz.py | 6 ++++ fuzzers/007-timing/timfuz_solve.py | 9 +++-- 5 files changed, 89 insertions(+), 29 deletions(-) create mode 100644 fuzzers/007-timing/projects/corner.mk diff --git a/fuzzers/007-timing/projects/corner.mk b/fuzzers/007-timing/projects/corner.mk new file mode 100644 index 00000000..c4ac2d23 --- /dev/null +++ b/fuzzers/007-timing/projects/corner.mk @@ -0,0 +1,42 @@ +# Run corner specific calculations + +TIMFUZ_DIR=$(XRAY_DIR)/fuzzers/007-timing +CORNER=slow_max + +all: build/$(CORNER)/tilea.json + +run: + $(MAKE) clean + $(MAKE) all + touch run.ok + +clean: + rm -rf specimen_[0-9][0-9][0-9]/ seg_clblx.segbits __pycache__ run.ok + rm -rf vivado*.log vivado_*.str vivado*.jou design *.bits *.dcp *.bit + rm -rf build + +.PHONY: all run clean + +build/$(CORNER): + mkdir build/$(CORNER) + +build/$(CORNER)/leastsq.csv: build/sub.json build/grouped.csv build/checksub build/$(CORNER) + # Create a rough timing model that approximately fits the given paths + python3 $(TIMFUZ_DIR)/solve_leastsq.py --sub-json build/sub.json build/grouped.csv --corner $(CORNER) --out build/$(CORNER)/leastsq.csv.tmp + mv build/$(CORNER)/leastsq.csv.tmp build/$(CORNER)/leastsq.csv + +build/$(CORNER)/linprog.csv: build/$(CORNER)/leastsq.csv build/grouped.csv + # Tweak rough timing model, making sure all constraints are satisfied + python3 $(TIMFUZ_DIR)/solve_linprog.py --sub-json build/sub.json --sub-csv build/$(CORNER)/leastsq.csv --massage build/grouped.csv --corner $(CORNER) --out build/$(CORNER)/linprog.csv.tmp + mv build/$(CORNER)/linprog.csv.tmp build/$(CORNER)/linprog.csv + +build/$(CORNER)/flat.csv: build/$(CORNER)/linprog.csv + # Take separated variables and back-annotate them to the original timing variables + python3 $(TIMFUZ_DIR)/csv_group2flat.py --sub-json build/sub.json --corner $(CORNER) --sort build/$(CORNER)/linprog.csv build/$(CORNER)/flat.csv.tmp + mv build/$(CORNER)/flat.csv.tmp build/$(CORNER)/flat.csv + +build/$(CORNER)/tilea.json: build/$(CORNER)/flat.csv + # Final processing + # Insert timing delays into actual tile layouts + python3 $(TIMFUZ_DIR)/tile_annotate.py --tile-json $(TIMFUZ_DIR)/timgrid/build/timgrid.json build/$(CORNER)/flat.csv build/$(CORNER)/tilea.json + diff --git a/fuzzers/007-timing/projects/project.mk b/fuzzers/007-timing/projects/project.mk index 45a6165c..c0b3d1a3 100644 --- a/fuzzers/007-timing/projects/project.mk +++ b/fuzzers/007-timing/projects/project.mk @@ -1,11 +1,30 @@ +# project.mk: build specimens (run vivado), compute rref +# corner.mk: run corner specific calculations + N := 1 SPECIMENS := $(addprefix specimen_,$(shell seq -f '%03.0f' $(N))) SPECIMENS_OK := $(addsuffix /OK,$(SPECIMENS)) CSVS := $(addsuffix /timing3.csv,$(SPECIMENS)) TIMFUZ_DIR=$(XRAY_DIR)/fuzzers/007-timing -CORNER=slow_max +RREF_CORNER=slow_max -all: build/tilea.json +TILEA_JSONS=build/fast_max/tilea.json build/fast_min/tilea.json build/slow_max/tilea.json build/slow_min/tilea.json + +all: $(TILEA_JSONS) + +# make build/checksub first +build/fast_max/tilea.json: build/checksub + $(MAKE) -f $(TIMFUZ_DIR)/projects/corner.mk CORNER=fast_max +build/fast_min/tilea.json: build/checksub + $(MAKE) -f $(TIMFUZ_DIR)/projects/corner.mk CORNER=fast_min +build/slow_max/tilea.json: build/checksub + $(MAKE) -f $(TIMFUZ_DIR)/projects/corner.mk CORNER=slow_max +build/slow_min/tilea.json: build/checksub + $(MAKE) -f $(TIMFUZ_DIR)/projects/corner.mk CORNER=slow_min +fast_max: build/fast_max/tilea.json +fast_min: build/fast_min/tilea.json +slow_max: build/slow_max/tilea.json +slow_min: build/slow_min/tilea.json $(SPECIMENS_OK): bash generate.sh $(subst /OK,,$@) @@ -21,13 +40,15 @@ clean: rm -rf vivado*.log vivado_*.str vivado*.jou design *.bits *.dcp *.bit rm -rf build -.PHONY: database pushdb run clean +.PHONY: all run clean + +# rref should be the same regardless of corner build/sub.json: $(SPECIMENS_OK) mkdir -p build # Discover which variables can be separated # This is typically the longest running operation - python3 $(TIMFUZ_DIR)/rref.py --corner $(CORNER) --simplify --out build/sub.json.tmp $(CSVS) + python3 $(TIMFUZ_DIR)/rref.py --corner $(RREF_CORNER) --simplify --out build/sub.json.tmp $(CSVS) mv build/sub.json.tmp build/sub.json build/grouped.csv: $(SPECIMENS_OK) build/sub.json @@ -40,23 +61,3 @@ build/checksub: build/grouped.csv build/sub.json python3 $(TIMFUZ_DIR)/checksub.py --sub-json build/sub.json build/grouped.csv touch build/checksub -build/leastsq.csv: build/sub.json build/grouped.csv build/checksub - # Create a rough timing model that approximately fits the given paths - python3 $(TIMFUZ_DIR)/solve_leastsq.py --sub-json build/sub.json build/grouped.csv --corner $(CORNER) --out build/leastsq.csv.tmp - mv build/leastsq.csv.tmp build/leastsq.csv - -build/linprog.csv: build/leastsq.csv build/grouped.csv - # Tweak rough timing model, making sure all constraints are satisfied - python3 $(TIMFUZ_DIR)/solve_linprog.py --sub-json build/sub.json --sub-csv build/leastsq.csv --massage build/grouped.csv --corner $(CORNER) --out build/linprog.csv.tmp - mv build/linprog.csv.tmp build/linprog.csv - -build/flat.csv: build/linprog.csv - # Take separated variables and back-annotate them to the original timing variables - python3 $(TIMFUZ_DIR)/csv_group2flat.py --sub-json build/sub.json --corner $(CORNER) --sort build/linprog.csv build/flat.csv.tmp - mv build/flat.csv.tmp build/flat.csv - -build/tilea.json: build/flat.csv - # Final processing - # Insert timing delays into actual tile layouts - python3 $(TIMFUZ_DIR)/tile_annotate.py --tile-json $(TIMFUZ_DIR)/timgrid/build/timgrid.json build/flat.csv build/tilea.json - diff --git a/fuzzers/007-timing/solve_linprog.py b/fuzzers/007-timing/solve_linprog.py index 037cafe2..9c943ecb 100644 --- a/fuzzers/007-timing/solve_linprog.py +++ b/fuzzers/007-timing/solve_linprog.py @@ -12,7 +12,7 @@ import os import time import timfuz_solve -def save(outfn, res, names, corner): +def save(outfn, xvals, names, corner): # ballpark minimum actual observed delay is around 7 (carry chain) # anything less than one is probably a solver artifact delta = 0.5 @@ -24,7 +24,7 @@ def save(outfn, res, names, corner): # write as one variable per line # this natively forms a bound if fed into linprog solver fout.write('ico,fast_max fast_min slow_max slow_min,rows...\n') - for xval, name in zip(res.x, names): + for xval, name in zip(xvals, names): row_ico = 1 # FIXME: only report for the given corner? @@ -40,6 +40,12 @@ def save(outfn, res, names, corner): print('Wrote: zeros %u => %u / %u constrained delays' % (zeros, len(names) - zeros, len(names))) def run_corner(Anp, b, names, corner, verbose=False, opts={}, meta={}, outfn=None): + if len(Anp) == 0: + print('WARNING: zero equations') + if outfn: + save(outfn, [], [], corner) + return + # Given timing scores for above delays (-ps) assert type(Anp[0]) is np.ndarray, type(Anp[0]) assert type(b) is np.ndarray, type(b) @@ -126,7 +132,7 @@ def run_corner(Anp, b, names, corner, verbose=False, opts={}, meta={}, outfn=Non print('Delay on %d / %d' % (nonzeros, len(res.x))) if outfn: - save(outfn, res, names, corner) + save(outfn, res.x, names, corner) def main(): import argparse diff --git a/fuzzers/007-timing/timfuz.py b/fuzzers/007-timing/timfuz.py index c20a1b57..c0d0aad2 100644 --- a/fuzzers/007-timing/timfuz.py +++ b/fuzzers/007-timing/timfuz.py @@ -37,6 +37,10 @@ corner_s2i = OrderedDict([ ('slow_min', 3), ]) +# Equations are filtered out until nothing is left +class SimplifiedToZero(Exception): + pass + def print_eqns(A_ubd, b_ub, verbose=0, lim=3, label=''): rows = len(b_ub) @@ -172,6 +176,8 @@ def simplify_rows(Ads, b_ub, remove_zd=False, corner=None): eqns[rowt] = minmax(eqns.get(rowt, 0), b) print(' done') + if len(eqns) == 0: + raise SimplifiedToZero() #A_ub_ret = eqns.keys() A_ubd_ret, b_ub_ret = Ab_ub_dt2d(eqns) diff --git a/fuzzers/007-timing/timfuz_solve.py b/fuzzers/007-timing/timfuz_solve.py index dd08c5e0..47373411 100644 --- a/fuzzers/007-timing/timfuz_solve.py +++ b/fuzzers/007-timing/timfuz_solve.py @@ -2,7 +2,7 @@ # https://docs.scipy.org/doc/scipy-0.18.1/reference/generated/scipy.optimize.linprog.html from scipy.optimize import linprog -from timfuz import Benchmark, Ar_di2np, Ar_ds2t, A_di2ds, A_ds2di, simplify_rows, loadc_Ads_b, index_names, A_ds2np, load_sub, run_sub_json, A_ub_np2d, print_eqns, print_eqns_np, Ads2bounds, instances +from timfuz import Benchmark, simplify_rows, loadc_Ads_b, index_names, A_ds2np, run_sub_json, print_eqns, Ads2bounds, instances, SimplifiedToZero from timfuz_massage import massage_equations import numpy as np import glob @@ -139,7 +139,12 @@ def run(fns_in, corner, run_corner, sub_json=None, sub_csv=None, dedup=True, mas This creates derived constraints to provide more realistic results ''' if massage: - Ads, b = massage_equations(Ads, b, corner=corner) + try: + Ads, b = massage_equations(Ads, b, corner=corner) + except SimplifiedToZero: + print('WARNING: simplified to zero equations') + Ads = [] + b = [] print('Converting to numpy...') names, Anp = A_ds2np(Ads) From 2ad0bf82fc9ca382136232a26e5775777c8bfff9 Mon Sep 17 00:00:00 2001 From: John McMaster Date: Wed, 12 Sep 2018 14:03:33 -0700 Subject: [PATCH 43/55] timfuz: ALLOW_ZERO_EQN Signed-off-by: John McMaster --- fuzzers/007-timing/projects/corner.mk | 6 +++++- fuzzers/007-timing/projects/oneblinkw/Makefile | 2 ++ fuzzers/007-timing/projects/project.mk | 1 + fuzzers/007-timing/timfuz_solve.py | 2 ++ 4 files changed, 10 insertions(+), 1 deletion(-) diff --git a/fuzzers/007-timing/projects/corner.mk b/fuzzers/007-timing/projects/corner.mk index c4ac2d23..5ae80ca8 100644 --- a/fuzzers/007-timing/projects/corner.mk +++ b/fuzzers/007-timing/projects/corner.mk @@ -2,6 +2,7 @@ TIMFUZ_DIR=$(XRAY_DIR)/fuzzers/007-timing CORNER=slow_max +ALLOW_ZERO_EQN?=N all: build/$(CORNER)/tilea.json @@ -20,6 +21,9 @@ clean: build/$(CORNER): mkdir build/$(CORNER) +build/checksub: + false + build/$(CORNER)/leastsq.csv: build/sub.json build/grouped.csv build/checksub build/$(CORNER) # Create a rough timing model that approximately fits the given paths python3 $(TIMFUZ_DIR)/solve_leastsq.py --sub-json build/sub.json build/grouped.csv --corner $(CORNER) --out build/$(CORNER)/leastsq.csv.tmp @@ -27,7 +31,7 @@ build/$(CORNER)/leastsq.csv: build/sub.json build/grouped.csv build/checksub bui build/$(CORNER)/linprog.csv: build/$(CORNER)/leastsq.csv build/grouped.csv # Tweak rough timing model, making sure all constraints are satisfied - python3 $(TIMFUZ_DIR)/solve_linprog.py --sub-json build/sub.json --sub-csv build/$(CORNER)/leastsq.csv --massage build/grouped.csv --corner $(CORNER) --out build/$(CORNER)/linprog.csv.tmp + ALLOW_ZERO_EQN=$(ALLOW_ZERO_EQN) python3 $(TIMFUZ_DIR)/solve_linprog.py --sub-json build/sub.json --sub-csv build/$(CORNER)/leastsq.csv --massage build/grouped.csv --corner $(CORNER) --out build/$(CORNER)/linprog.csv.tmp mv build/$(CORNER)/linprog.csv.tmp build/$(CORNER)/linprog.csv build/$(CORNER)/flat.csv: build/$(CORNER)/linprog.csv diff --git a/fuzzers/007-timing/projects/oneblinkw/Makefile b/fuzzers/007-timing/projects/oneblinkw/Makefile index 9c8b1947..5e5721b7 100644 --- a/fuzzers/007-timing/projects/oneblinkw/Makefile +++ b/fuzzers/007-timing/projects/oneblinkw/Makefile @@ -1,2 +1,4 @@ +# so simple that likely no linprog adjustments will be needed +ALLOW_ZERO_EQN?=Y include ../project.mk diff --git a/fuzzers/007-timing/projects/project.mk b/fuzzers/007-timing/projects/project.mk index c0b3d1a3..daa79aeb 100644 --- a/fuzzers/007-timing/projects/project.mk +++ b/fuzzers/007-timing/projects/project.mk @@ -7,6 +7,7 @@ SPECIMENS_OK := $(addsuffix /OK,$(SPECIMENS)) CSVS := $(addsuffix /timing3.csv,$(SPECIMENS)) TIMFUZ_DIR=$(XRAY_DIR)/fuzzers/007-timing RREF_CORNER=slow_max +ALLOW_ZERO_EQN?=N TILEA_JSONS=build/fast_max/tilea.json build/fast_min/tilea.json build/slow_max/tilea.json build/slow_min/tilea.json diff --git a/fuzzers/007-timing/timfuz_solve.py b/fuzzers/007-timing/timfuz_solve.py index 47373411..ccd2b738 100644 --- a/fuzzers/007-timing/timfuz_solve.py +++ b/fuzzers/007-timing/timfuz_solve.py @@ -142,6 +142,8 @@ def run(fns_in, corner, run_corner, sub_json=None, sub_csv=None, dedup=True, mas try: Ads, b = massage_equations(Ads, b, corner=corner) except SimplifiedToZero: + if os.getenv('ALLOW_ZERO_EQN', 'N') != 'Y': + raise print('WARNING: simplified to zero equations') Ads = [] b = [] From c965288e75888615b22e7613ad5b52a6caf61880 Mon Sep 17 00:00:00 2001 From: John McMaster Date: Wed, 12 Sep 2018 15:14:18 -0700 Subject: [PATCH 44/55] timfuz: min corner tweaks Signed-off-by: John McMaster --- fuzzers/007-timing/solve_leastsq.py | 32 ++++++++++++++++----------- fuzzers/007-timing/solve_linprog.py | 2 +- fuzzers/007-timing/timfuz.py | 13 ++++++++++- fuzzers/007-timing/timfuz_massage.py | 4 +++- fuzzers/007-timing/timfuz_solve.py | 33 ++++++++++++++++++++++------ 5 files changed, 61 insertions(+), 23 deletions(-) diff --git a/fuzzers/007-timing/solve_leastsq.py b/fuzzers/007-timing/solve_leastsq.py index 10cacbe3..5bdd4fad 100644 --- a/fuzzers/007-timing/solve_leastsq.py +++ b/fuzzers/007-timing/solve_leastsq.py @@ -33,34 +33,44 @@ def mkestimate(Anp, b): x0[coli] = min(x0[coli], ub) return x0 -def save(outfn, res, names, corner): +def save(outfn, xvals, names, corner): # ballpark minimum actual observed delay is around 7 (carry chain) # anything less than one is probably a solver artifact delta = 0.5 corneri = corner_s2i[corner] - print('Writing resutls') + # Round conservatively + roundf = { + 'fast_max': math.ceil, + 'fast_min': math.floor, + 'slow_max': math.ceil, + 'slow_min': math.floor, + }[corner] + + print('Writing results') skips = 0 + keeps = 0 with open(outfn, 'w') as fout: # write as one variable per line # this natively forms a bound if fed into linprog solver fout.write('ico,fast_max fast_min slow_max slow_min,rows...\n') - for xval, name in zip(res.x, names): + for xval, name in zip(xvals, names): row_ico = 1 - # FIXME: only report for the given corner? # also review ceil vs floor choice for min vs max # lets be more conservative for now if xval < delta: #print('Skipping %s: %0.6f' % (name, xval)) skips += 1 continue + keeps += 1 #xvali = round(xval) - items = [str(row_ico), acorner2csv(math.ceil(xval), corneri)] + items = [str(row_ico), acorner2csv(roundf(xval), corneri)] items.append('%u %s' % (1, name)) fout.write(','.join(items) + '\n') - print('Wrote: skip %u => %u / %u valid delays' % (skips, len(names) - skips, len(names))) + print('Wrote: skip %u => %u / %u valid delays' % (skips, keeps, len(names))) + assert keeps, 'Failed to estimate delay' def run_corner(Anp, b, names, corner, verbose=False, opts={}, meta={}, outfn=None): # Given timing scores for above delays (-ps) @@ -131,7 +141,7 @@ def run_corner(Anp, b, names, corner, verbose=False, opts={}, meta={}, outfn=Non print('Done') if outfn: - save(outfn, res, names, corner) + save(outfn, res.x, names, corner) def main(): import argparse @@ -148,23 +158,19 @@ def main(): parser.add_argument('--out', default=None, help='output timing delay .json') parser.add_argument( 'fns_in', - nargs='*', + nargs='+', help='timing3.csv input files') args = parser.parse_args() # Store options in dict to ease passing through functions bench = Benchmark() - fns_in = args.fns_in - if not fns_in: - fns_in = glob.glob('specimen_*/timing3.csv') - sub_json = None if args.sub_json: sub_json = load_sub(args.sub_json) try: timfuz_solve.run(run_corner=run_corner, sub_json=sub_json, - fns_in=fns_in, corner=args.corner, massage=args.massage, outfn=args.out, verbose=args.verbose) + fns_in=args.fns_in, corner=args.corner, massage=args.massage, outfn=args.out, verbose=args.verbose) finally: print('Exiting after %s' % bench) diff --git a/fuzzers/007-timing/solve_linprog.py b/fuzzers/007-timing/solve_linprog.py index 9c943ecb..e10ce7fb 100644 --- a/fuzzers/007-timing/solve_linprog.py +++ b/fuzzers/007-timing/solve_linprog.py @@ -18,7 +18,7 @@ def save(outfn, xvals, names, corner): delta = 0.5 corneri = corner_s2i[corner] - print('Writing resutls') + print('Writing results') zeros = 0 with open(outfn, 'w') as fout: # write as one variable per line diff --git a/fuzzers/007-timing/timfuz.py b/fuzzers/007-timing/timfuz.py index c0d0aad2..c1ed1bb7 100644 --- a/fuzzers/007-timing/timfuz.py +++ b/fuzzers/007-timing/timfuz.py @@ -41,6 +41,10 @@ corner_s2i = OrderedDict([ class SimplifiedToZero(Exception): pass + +def allow_zero_eqns(): + return os.getenv('ALLOW_ZERO_EQN', 'N') == 'Y' + def print_eqns(A_ubd, b_ub, verbose=0, lim=3, label=''): rows = len(b_ub) @@ -147,6 +151,13 @@ def simplify_rows(Ads, b_ub, remove_zd=False, corner=None): 'slow_max': max, 'slow_min': min, }[corner] + # An outlier to make unknown values be ignored + T_UNK = { + 'fast_max': 0, + 'fast_min': 10e9, + 'slow_max': 0, + 'slow_min': 10e9, + }[corner] sys.stdout.write('SimpR ') sys.stdout.flush() @@ -173,7 +184,7 @@ def simplify_rows(Ads, b_ub, remove_zd=False, corner=None): continue rowt = Ar_ds2t(rowd) - eqns[rowt] = minmax(eqns.get(rowt, 0), b) + eqns[rowt] = minmax(eqns.get(rowt, T_UNK), b) print(' done') if len(eqns) == 0: diff --git a/fuzzers/007-timing/timfuz_massage.py b/fuzzers/007-timing/timfuz_massage.py index e35f4e28..1f52af5b 100644 --- a/fuzzers/007-timing/timfuz_massage.py +++ b/fuzzers/007-timing/timfuz_massage.py @@ -80,8 +80,8 @@ def derive_eq_by_row(Ads, b, verbose=0, col_lim=0, tweak=False): How to do this in a reasonable time span? Also equations are sparse, which makes this harder to compute ''' + assert len(Ads) == len(b), 'Ads, b length mismatch' rows = len(Ads) - assert rows == len(b) # Index equations into hash maps so can lookup sparse elements quicker assert len(Ads) == len(b) @@ -403,6 +403,8 @@ def massage_equations_inc_col_lim(Ads, b, verbose=False, corner=None): Remove these columns as necessary to speed up solving ''' + assert len(Ads) == len(b), 'Ads, b length mismatch' + def debug(what): if verbose: print('') diff --git a/fuzzers/007-timing/timfuz_solve.py b/fuzzers/007-timing/timfuz_solve.py index ccd2b738..52a4c43e 100644 --- a/fuzzers/007-timing/timfuz_solve.py +++ b/fuzzers/007-timing/timfuz_solve.py @@ -2,7 +2,7 @@ # https://docs.scipy.org/doc/scipy-0.18.1/reference/generated/scipy.optimize.linprog.html from scipy.optimize import linprog -from timfuz import Benchmark, simplify_rows, loadc_Ads_b, index_names, A_ds2np, run_sub_json, print_eqns, Ads2bounds, instances, SimplifiedToZero +from timfuz import Benchmark, simplify_rows, loadc_Ads_b, index_names, A_ds2np, run_sub_json, print_eqns, Ads2bounds, instances, SimplifiedToZero, allow_zero_eqns from timfuz_massage import massage_equations import numpy as np import glob @@ -68,15 +68,30 @@ def check_feasible(A_ub, b_ub): raise Exception("Bad ") print(' done') -def filter_bounds(Ads, b, bounds): +def filter_bounds(Ads, b, bounds, corner): '''Given min variable delays, remove rows that won't constrain solution''' + #assert len(bounds) > 0 + + if 'max' in corner: + # Keep delays possibly larger than current bound + def keep(row_b, est): + return row_b > est + T_UNK = 0 + elif 'min' in corner: + # Keep delays possibly smaller than current bound + def keep(row_b, est): + return row_b < est + T_UNK = 1e9 + else: + assert 0 + ret_Ads = [] ret_b = [] for row_ds, row_b in zip(Ads, b): # some variables get estimated at 0 - est = sum([bounds.get(k, 0) * v for k, v in row_ds.items()]) + est = sum([bounds.get(k, T_UNK) * v for k, v in row_ds.items()]) # will this row potentially constrain us more? - if row_b > est: + if keep(row_b, est): ret_Ads.append(row_ds) ret_b.append(row_b) return ret_Ads, ret_b @@ -114,11 +129,14 @@ def run(fns_in, corner, run_corner, sub_json=None, sub_csv=None, dedup=True, mas if sub_csv: Ads2, b2 = loadc_Ads_b([sub_csv], corner, ico=True) bounds = Ads2bounds(Ads2, b2) + assert len(bounds), 'Failed to load bounds' rows_old = len(Ads) - Ads, b = filter_bounds(Ads, b, bounds) - print('Filter bounds: %s => %s rows' % (rows_old, len(Ads))) + Ads, b = filter_bounds(Ads, b, bounds, corner) + print('Filter bounds: %s => %s + %s rows' % (rows_old, len(Ads), len(Ads2))) Ads = Ads + Ads2 b = b + b2 + assert len(Ads) or allow_zero_eqns() + assert len(Ads) == len(b), 'Ads, b length mismatch' if verbose: print @@ -126,6 +144,7 @@ def run(fns_in, corner, run_corner, sub_json=None, sub_csv=None, dedup=True, mas #print #col_dist(A_ubd, 'final', names) + print('b10', b[0:100]) ''' Given: @@ -142,7 +161,7 @@ def run(fns_in, corner, run_corner, sub_json=None, sub_csv=None, dedup=True, mas try: Ads, b = massage_equations(Ads, b, corner=corner) except SimplifiedToZero: - if os.getenv('ALLOW_ZERO_EQN', 'N') != 'Y': + if not allow_zero_eqns(): raise print('WARNING: simplified to zero equations') Ads = [] From 0b3aa34b5b111d56c7c153f59c5327331e9dcd4e Mon Sep 17 00:00:00 2001 From: John McMaster Date: Wed, 12 Sep 2018 15:29:32 -0700 Subject: [PATCH 45/55] timfuz: fully support min corner Signed-off-by: John McMaster --- fuzzers/007-timing/solve_linprog.py | 60 ++++++++++++++++++++++------- 1 file changed, 46 insertions(+), 14 deletions(-) diff --git a/fuzzers/007-timing/solve_linprog.py b/fuzzers/007-timing/solve_linprog.py index e10ce7fb..ee73a702 100644 --- a/fuzzers/007-timing/solve_linprog.py +++ b/fuzzers/007-timing/solve_linprog.py @@ -18,6 +18,13 @@ def save(outfn, xvals, names, corner): delta = 0.5 corneri = corner_s2i[corner] + roundf = { + 'fast_max': math.ceil, + 'fast_min': math.floor, + 'slow_max': math.ceil, + 'slow_min': math.floor, + }[corner] + print('Writing results') zeros = 0 with open(outfn, 'w') as fout: @@ -34,10 +41,11 @@ def save(outfn, xvals, names, corner): print('WARNING: near 0 delay on %s: %0.6f' % (name, xval)) zeros += 1 #continue - items = [str(row_ico), acorner2csv(math.ceil(xval), corneri)] + items = [str(row_ico), acorner2csv(roundf(xval), corneri)] items.append('%u %s' % (1, name)) fout.write(','.join(items) + '\n') - print('Wrote: zeros %u => %u / %u constrained delays' % (zeros, len(names) - zeros, len(names))) + nonzeros = len(names) - zeros + print('Wrote: %u / %u constrained delays, %u zeros' % (nonzeros, len(names), zeros)) def run_corner(Anp, b, names, corner, verbose=False, opts={}, meta={}, outfn=None): if len(Anp) == 0: @@ -45,6 +53,12 @@ def run_corner(Anp, b, names, corner, verbose=False, opts={}, meta={}, outfn=Non if outfn: save(outfn, [], [], corner) return + maxcorner = { + 'slow_max': True, + 'slow_min': False, + 'fast_max': True, + 'fast_min': False, + }[corner] # Given timing scores for above delays (-ps) assert type(Anp[0]) is np.ndarray, type(Anp[0]) @@ -54,28 +68,46 @@ def run_corner(Anp, b, names, corner, verbose=False, opts={}, meta={}, outfn=Non ''' Be mindful of signs - Have something like - timing1/timing 2 are constants - delay1 + delay2 + delay4 >= timing1 - delay2 + delay3 >= timing2 + t1, t2: total delay contants + d1, d2..: variables to solve for + + Max corner intuitive form: + d1 + d2 + d4 >= t1 + d2 + d3 >= t2 But need it in compliant form: - -delay1 + -delay2 + -delay4 <= -timing1 - -delay2 + -delay3 <= -timing2 + -d1 + -d2 + -d4 <= -t1 + -d2 + -d3 <= -t2 + Minimize delay elements + + + Min corner intuitive form: + d1 + d2 + d4 <= t1 + d2 + d3 <= t2 + Maximize delay elements ''' - assert 'max' in corner, 'FIXME: support min corner math' rows = len(Anp) cols = len(Anp[0]) - print('Scaling to solution form...') - b_ub = -1.0 * b - #A_ub = -1.0 * Anp - A_ub = [-1.0 * x for x in Anp] + if maxcorner: + print('maxcorner => scaling to solution form...') + b_ub = -1.0 * b + #A_ub = -1.0 * Anp + A_ub = [-1.0 * x for x in Anp] + else: + print('mincorner => no scaling required') + b_ub = b + A_ub = Anp print('Creating misc constants...') # Minimization function scalars # Treat all logic elements as equally important - c = [1 for _i in range(len(names))] + if maxcorner: + # Best result are min delays + c = [1 for _i in range(len(names))] + else: + # Best result are max delays + c = [-1 for _i in range(len(names))] # Delays cannot be negative # (this is also the default constraint) #bounds = [(0, None) for _i in range(len(names))] From 2a28dabf02a2585b326e2e4d7883c112186d895b Mon Sep 17 00:00:00 2001 From: John McMaster Date: Wed, 12 Sep 2018 17:14:19 -0700 Subject: [PATCH 46/55] timfuz: ALLOW_ZERO_EQN workaround for projects that fail PnR Signed-off-by: John McMaster --- fuzzers/007-timing/projects/corner.mk | 1 + fuzzers/007-timing/projects/project.mk | 22 ++++++++++++++++++---- fuzzers/007-timing/rref.py | 2 +- fuzzers/007-timing/timfuz.py | 8 ++------ 4 files changed, 22 insertions(+), 11 deletions(-) diff --git a/fuzzers/007-timing/projects/corner.mk b/fuzzers/007-timing/projects/corner.mk index 5ae80ca8..aaa3cbf2 100644 --- a/fuzzers/007-timing/projects/corner.mk +++ b/fuzzers/007-timing/projects/corner.mk @@ -3,6 +3,7 @@ TIMFUZ_DIR=$(XRAY_DIR)/fuzzers/007-timing CORNER=slow_max ALLOW_ZERO_EQN?=N +BADPRJ_OK?=N all: build/$(CORNER)/tilea.json diff --git a/fuzzers/007-timing/projects/project.mk b/fuzzers/007-timing/projects/project.mk index daa79aeb..691bb048 100644 --- a/fuzzers/007-timing/projects/project.mk +++ b/fuzzers/007-timing/projects/project.mk @@ -8,6 +8,7 @@ CSVS := $(addsuffix /timing3.csv,$(SPECIMENS)) TIMFUZ_DIR=$(XRAY_DIR)/fuzzers/007-timing RREF_CORNER=slow_max ALLOW_ZERO_EQN?=N +BADPRJ_OK?=N TILEA_JSONS=build/fast_max/tilea.json build/fast_min/tilea.json build/slow_max/tilea.json build/slow_min/tilea.json @@ -28,7 +29,7 @@ slow_max: build/slow_max/tilea.json slow_min: build/slow_min/tilea.json $(SPECIMENS_OK): - bash generate.sh $(subst /OK,,$@) + bash generate.sh $(subst /OK,,$@) || (if [ "$(BADPRJ_OK)" != 'Y' ] ; then exit 1; fi; exit 0) touch $@ run: @@ -43,18 +44,31 @@ clean: .PHONY: all run clean -# rref should be the same regardless of corner +# Normally require all projects to complete +# If BADPRJ_OK is allowed, only take projects that were successful +# FIXME: couldn't get call to work +exist_csvs = \ + for f in $(CSVS); do \ + if [ "$(BADPRJ_OK)" != 'Y' -o -f $$f ] ; then \ + echo $$f; \ + fi; \ + done +# rref should be the same regardless of corner build/sub.json: $(SPECIMENS_OK) mkdir -p build # Discover which variables can be separated # This is typically the longest running operation - python3 $(TIMFUZ_DIR)/rref.py --corner $(RREF_CORNER) --simplify --out build/sub.json.tmp $(CSVS) + \ + csvs=$$(for f in $(CSVS); do if [ "$(BADPRJ_OK)" != 'Y' -o -f $$f ] ; then echo $$f; fi; done) ; \ + python3 $(TIMFUZ_DIR)/rref.py --corner $(RREF_CORNER) --simplify --out build/sub.json.tmp $$csvs mv build/sub.json.tmp build/sub.json build/grouped.csv: $(SPECIMENS_OK) build/sub.json # Separate variables - python3 $(TIMFUZ_DIR)/csv_flat2group.py --sub-json build/sub.json --strict --out build/grouped.csv.tmp $(CSVS) + \ + csvs=$$(for f in $(CSVS); do if [ "$(BADPRJ_OK)" != 'Y' -o -f $$f ] ; then echo $$f; fi; done) ; \ + python3 $(TIMFUZ_DIR)/csv_flat2group.py --sub-json build/sub.json --strict --out build/grouped.csv.tmp $$csvs mv build/grouped.csv.tmp build/grouped.csv build/checksub: build/grouped.csv build/sub.json diff --git a/fuzzers/007-timing/rref.py b/fuzzers/007-timing/rref.py index 4cf1b9e7..bad37401 100644 --- a/fuzzers/007-timing/rref.py +++ b/fuzzers/007-timing/rref.py @@ -221,7 +221,7 @@ def main(): parser.add_argument('--out', help='Output sub.json substitution result') parser.add_argument( 'fns_in', - nargs='*', + nargs='+', help='timing3.txt input files') args = parser.parse_args() bench = Benchmark() diff --git a/fuzzers/007-timing/timfuz.py b/fuzzers/007-timing/timfuz.py index c1ed1bb7..6287cce2 100644 --- a/fuzzers/007-timing/timfuz.py +++ b/fuzzers/007-timing/timfuz.py @@ -187,15 +187,11 @@ def simplify_rows(Ads, b_ub, remove_zd=False, corner=None): eqns[rowt] = minmax(eqns.get(rowt, T_UNK), b) print(' done') + + print('Simplify rows: %d => %d rows w/ zd %d, ze %d' % (len(b_ub), len(eqns), zero_ds, zero_es)) if len(eqns) == 0: raise SimplifiedToZero() - - #A_ub_ret = eqns.keys() A_ubd_ret, b_ub_ret = Ab_ub_dt2d(eqns) - - print('Simplify rows: %d => %d rows w/ zd %d, ze %d' % (len(b_ub), len(b_ub_ret), zero_ds, zero_es)) - #return A_ub_ret, b_ub_ret - #return A_ub_np2d(A_ub_ret), b_ub_ret return A_ubd_ret, b_ub_ret def A_ubr_np2d(row): From c104e70724e43f2b715021609b50d15d08f1f45b Mon Sep 17 00:00:00 2001 From: John McMaster Date: Wed, 12 Sep 2018 18:30:09 -0700 Subject: [PATCH 47/55] timfuz: combine tile process corners Signed-off-by: John McMaster --- fuzzers/007-timing/Makefile | 29 +++++- fuzzers/007-timing/README.md | 12 +-- fuzzers/007-timing/projects/project.mk | 5 +- fuzzers/007-timing/tile_combine.py | 123 +++++++++++++++++++++++++ 4 files changed, 154 insertions(+), 15 deletions(-) create mode 100644 fuzzers/007-timing/tile_combine.py diff --git a/fuzzers/007-timing/Makefile b/fuzzers/007-timing/Makefile index 1f90909f..40e42a35 100644 --- a/fuzzers/007-timing/Makefile +++ b/fuzzers/007-timing/Makefile @@ -1,5 +1,26 @@ -all: - cd speed && make - cd timgrid && make - cd projects && make +# for now hammering on just picorv32 +# consider instead aggregating multiple projects +PRJ?=picorv32 +PRJN?=8 + +all: build/tilea.json + +clean: + rm -rf build + cd speed && $(MAKE) clean + cd timgrid && $(MAKE) clean + cd projects && $(MAKE) clean + +speed/build/speed.json: + cd speed && $(MAKE) + +timgrid/build/timgrid.json: + cd timgrid && $(MAKE) + +build/tilea.json: projects/$(PRJ)/build/tilea.json + mkdir -p build + cp projects/$(PRJ)/build/tilea.json build/tilea.json + +projects/$(PRJ)/build/tilea.json: speed/build/speed.json timgrid/build/timgrid.json + cd projects/$(PRJ) && $(MAKE) N=$(PRJN) diff --git a/fuzzers/007-timing/README.md b/fuzzers/007-timing/README.md index 047e073c..a7c79eb2 100644 --- a/fuzzers/007-timing/README.md +++ b/fuzzers/007-timing/README.md @@ -13,19 +13,11 @@ Currently this document focuses exclusively on fabric timing delays. ## Quick start ``` -pushd speed make -popd - -pushd timgrid -make -popd - -pushd projects/placelut -make N=1 -popd ``` +This will take a relatively long time (say 45 min) and generate build/tilea.json + ## Vivado background diff --git a/fuzzers/007-timing/projects/project.mk b/fuzzers/007-timing/projects/project.mk index 691bb048..7e2b4f1f 100644 --- a/fuzzers/007-timing/projects/project.mk +++ b/fuzzers/007-timing/projects/project.mk @@ -12,7 +12,7 @@ BADPRJ_OK?=N TILEA_JSONS=build/fast_max/tilea.json build/fast_min/tilea.json build/slow_max/tilea.json build/slow_min/tilea.json -all: $(TILEA_JSONS) +all: build/tilea.json # make build/checksub first build/fast_max/tilea.json: build/checksub @@ -76,3 +76,6 @@ build/checksub: build/grouped.csv build/sub.json python3 $(TIMFUZ_DIR)/checksub.py --sub-json build/sub.json build/grouped.csv touch build/checksub +build/tilea.json: $(TILEA_JSONS) + python3 $(TIMFUZ_DIR)/tile_combine.py --out build/tilea.json $(TILEA_JSONS) + diff --git a/fuzzers/007-timing/tile_combine.py b/fuzzers/007-timing/tile_combine.py new file mode 100644 index 00000000..35ea2291 --- /dev/null +++ b/fuzzers/007-timing/tile_combine.py @@ -0,0 +1,123 @@ +#!/usr/bin/env python3 + +import sys +import os +import time +import json +from collections import OrderedDict + +corner_s2i = OrderedDict([ + ('fast_max', 0), + ('fast_min', 1), + ('slow_max', 2), + ('slow_min', 3), + ]) + +corner2minmax = { + 'fast_max': max, + 'fast_min': min, + 'slow_max': max, + 'slow_min': min, + } + +def build_tilejo(fnins): + ''' + { + "tiles": { + "BRKH_B_TERM_INT": { + "pips": {}, + "wires": { + "B_TERM_UTURN_INT_ER1BEG0": [ + null, + null, + 93, + null + ], + ''' + + tilejo = {"tiles": {}} + for fnin in fnins: + tileji = json.load(open(fnin, 'r')) + for tilek, tilevi in tileji['tiles'].items(): + # No previous data? Copy + tilevo = tilejo['tiles'].get(tilek, None) + if tilevo is None: + tilejo['tiles'][tilek] = tilevi + # Otherwise combine + else: + def process_type(etype): + for pipk, pipvi in tilevi[etype].items(): + pipvo = tilevo[etype][pipk] + for cornerk, corneri in corner_s2i.items(): + cornervo = pipvo[corneri] + cornervi = pipvi[corneri] + # no new data + if cornervi is None: + pass + # no previous data + elif cornervo is None: + pipvo[corneri] = cornervi + # combine + else: + minmax = corner2minmax[cornerk] + pipvo[corneri] = minmax(cornervi, cornervo) + process_type('pips') + process_type('wires') + return tilejo + +def check_corner_minmax(tilej, verbose=False): + # Post processing pass looking for min/max inconsistencies + # Especially an issue due to complexities around under-constrained elements + # (ex: pivots set to 0 delay) + print('Checking for min/max consistency') + checks = 0 + bad = 0 + for tilev in tilej['tiles'].values(): + def process_type(etype): + nonlocal checks + nonlocal bad + + for pipk, pipv in tilev[etype].items(): + for corner in ('slow', 'fast'): + mini = corner_s2i[corner + '_min'] + minv = pipv[mini] + maxi = corner_s2i[corner + '_max'] + maxv = pipv[maxi] + if minv is not None and maxv is not None: + checks += 1 + if minv > maxv: + if verbose: + print('WARNING: element %s %s min/max adjusted on corner %s' % (etype, pipk, corner)) + bad += 1 + pipv[mini] = maxv + pipv[maxi] = minv + + process_type('pips') + process_type('wires') + print('minmax: %u / %u bad' % (bad, checks)) + +def check_corners_minmax(tilej, verbose=False): + # TODO: check fast vs slow + pass + +def run(fnins, fnout, verbose=False): + tilejo = build_tilejo(fnins) + check_corner_minmax(tilejo) + check_corners_minmax(tilejo) + json.dump(tilejo, open(fnout, 'w'), sort_keys=True, indent=4, separators=(',', ': ')) + +def main(): + import argparse + + parser = argparse.ArgumentParser( + description= + 'Combine multiple tile corners into one .json file' + ) + parser.add_argument('--out', required=True, help='Combined .json file') + parser.add_argument('fnins', nargs='+', help='Input .json files') + args = parser.parse_args() + + run(args.fnins, args.out, verbose=False) + +if __name__ == '__main__': + main() From 12978f8051161be1b90e2b2912a54b09c3b34421 Mon Sep 17 00:00:00 2001 From: John McMaster Date: Mon, 17 Sep 2018 11:15:42 -0700 Subject: [PATCH 48/55] timfuz: pep8 reformat Signed-off-by: John McMaster --- fuzzers/007-timing/benchmark.py | 20 +-- fuzzers/007-timing/checksub.py | 25 ++-- fuzzers/007-timing/corner_csv.py | 18 ++- fuzzers/007-timing/csv_flat2group.py | 26 ++-- fuzzers/007-timing/csv_group2flat.py | 22 ++- fuzzers/007-timing/node_unique.py | 35 ++--- fuzzers/007-timing/perf_test.py | 37 +++-- fuzzers/007-timing/pip_unique.py | 45 +++---- .../007-timing/projects/placelut/generate.py | 23 ++-- .../projects/placelut_fb/generate.py | 24 ++-- .../projects/placelut_ff_fb/generate.py | 27 ++-- fuzzers/007-timing/rref.py | 44 +++--- fuzzers/007-timing/solve_leastsq.py | 42 +++--- fuzzers/007-timing/solve_linprog.py | 59 +++++--- fuzzers/007-timing/speed/speed_json.py | 40 +++--- fuzzers/007-timing/sub2csv.py | 16 ++- fuzzers/007-timing/tile_annotate.py | 25 +++- fuzzers/007-timing/tile_combine.py | 39 ++++-- fuzzers/007-timing/timfuz.py | 126 +++++++++++++----- fuzzers/007-timing/timfuz_massage.py | 32 +++-- fuzzers/007-timing/timfuz_solve.py | 38 +++++- fuzzers/007-timing/timgrid/tile_txt2json.py | 32 +++-- fuzzers/007-timing/timing_txt2csv.py | 77 +++++++---- fuzzers/007-timing/wire_unique.py | 51 +++---- 24 files changed, 586 insertions(+), 337 deletions(-) diff --git a/fuzzers/007-timing/benchmark.py b/fuzzers/007-timing/benchmark.py index 6da3e132..39a6e797 100644 --- a/fuzzers/007-timing/benchmark.py +++ b/fuzzers/007-timing/benchmark.py @@ -6,6 +6,7 @@ Copyright 2010 John McMaster import time + def time_str(delta): fraction = delta % 1 delta -= fraction @@ -17,11 +18,12 @@ def time_str(delta): hours = delta return '%02d:%02d:%02d.%04d' % (hours, minutes, seconds, fraction * 10000) + class Benchmark: start_time = None end_time = None - - def __init__(self, max_items = None): + + def __init__(self, max_items=None): # For the lazy self.start_time = time.time() self.end_time = None @@ -35,19 +37,19 @@ class Benchmark: def stop(self): self.end_time = time.time() - - def advance(self, n = 1): + + def advance(self, n=1): self.cur_items += n def set_cur_items(self, n): self.cur_items = n - - def delta_s(self): + + def delta_s(self): if self.end_time: return self.end_time - self.start_time else: return time.time() - self.start_time - + def __str__(self): if self.end_time: return time_str(self.end_time - self.start_time) @@ -65,7 +67,7 @@ class Benchmark: eta_str = time_str(remaining) else: eta_str = "indeterminate" - return '%d / %d, ETA: %s @ %s' % (self.cur_items, self.max_items, eta_str, rate_s) + return '%d / %d, ETA: %s @ %s' % ( + self.cur_items, self.max_items, eta_str, rate_s) else: return time_str(time.time() - self.start_time) - diff --git a/fuzzers/007-timing/checksub.py b/fuzzers/007-timing/checksub.py index 00559735..7a307e14 100644 --- a/fuzzers/007-timing/checksub.py +++ b/fuzzers/007-timing/checksub.py @@ -8,6 +8,7 @@ import math from collections import OrderedDict from fractions import Fraction + def Adi2matrix_random(A_ubd, b_ub, names): # random assignment # was making some empty rows @@ -24,6 +25,7 @@ def Adi2matrix_random(A_ubd, b_ub, names): b_ret[dst_rowi] += b return A_ret, b_ret + def Ads2matrix_linear(Ads, b): names, Adi = A_ds2di(Ads) cols = len(names) @@ -41,16 +43,19 @@ def Ads2matrix_linear(Ads, b): dst_rowi = (dst_rowi + 1) % rows_out return A_ret, b_ret + def pmatrix(Anp, s): import sympy msym = sympy.Matrix(Anp) print(s) sympy.pprint(msym) + def pds(Ads, s): names, Anp = A_ds2np(Ads) pmatrix(Anp, s) - print('Names: %s' % (names,)) + print('Names: %s' % (names, )) + def run(fns_in, sub_json=None, verbose=False): # arbitrary...data is thrown away @@ -76,7 +81,6 @@ def run(fns_in, sub_json=None, verbose=False): # A_ub2, b_ub2 = Adi2matrix_random(A_ubd, b, names) Amat, _bmat = Ads2matrix_linear(Ads, b) #pmatrix(Amat, 'Matrix') - ''' The matrix must be fully ranked to even be considered reasonable Even then, floating point error *possibly* could make it fully ranked, although probably not since we have whole numbers @@ -96,22 +100,19 @@ def run(fns_in, sub_json=None, verbose=False): else: print('slogdet :) : %s, %s' % (sign, logdet)) if rank != len(names): - raise Exception("Matrix not fully ranked w/ %u / %u" % (rank, len(names))) + raise Exception( + "Matrix not fully ranked w/ %u / %u" % (rank, len(names))) + def main(): import argparse parser = argparse.ArgumentParser( - description= - 'Check sub.json solution feasibility' - ) + description='Check sub.json solution feasibility') parser.add_argument('--verbose', action='store_true', help='') parser.add_argument('--sub-json', help='') - parser.add_argument( - 'fns_in', - nargs='*', - help='timing3.csv input files') + parser.add_argument('fns_in', nargs='*', help='timing3.csv input files') args = parser.parse_args() # Store options in dict to ease passing through functions bench = Benchmark() @@ -125,10 +126,10 @@ def main(): sub_json = load_sub(args.sub_json) try: - run(sub_json=sub_json, - fns_in=fns_in, verbose=args.verbose) + run(sub_json=sub_json, fns_in=fns_in, verbose=args.verbose) finally: print('Exiting after %s' % bench) + if __name__ == '__main__': main() diff --git a/fuzzers/007-timing/corner_csv.py b/fuzzers/007-timing/corner_csv.py index d64c64ab..429e1e55 100644 --- a/fuzzers/007-timing/corner_csv.py +++ b/fuzzers/007-timing/corner_csv.py @@ -3,6 +3,7 @@ from timfuz import Benchmark, simplify_rows, loadc_Ads_b import glob + def run(fout, fns_in, corner, verbose=0): Ads, b = loadc_Ads_b(fns_in, corner, ico=True) Ads, b = simplify_rows(Ads, b, corner=corner) @@ -18,22 +19,19 @@ def run(fout, fns_in, corner, verbose=0): items.append('%u %s' % (v, k)) fout.write(','.join(items) + '\n') + def main(): import argparse parser = argparse.ArgumentParser( - description= - 'Create a .csv with a single process corner' - ) + description='Create a .csv with a single process corner') parser.add_argument('--verbose', type=int, help='') - parser.add_argument('--auto-name', action='store_true', help='timing3.csv => timing3c.csv') + parser.add_argument( + '--auto-name', action='store_true', help='timing3.csv => timing3c.csv') parser.add_argument('--out', default=None, help='Output csv') parser.add_argument('--corner', help='Output csv') - parser.add_argument( - 'fns_in', - nargs='*', - help='timing3.csv input files') + parser.add_argument('fns_in', nargs='*', help='timing3.csv input files') args = parser.parse_args() bench = Benchmark() @@ -53,8 +51,8 @@ def main(): if not fns_in: fns_in = glob.glob('specimen_*/timing3.csv') - run(fout=fout, - fns_in=fns_in, corner=args.corner, verbose=args.verbose) + run(fout=fout, fns_in=fns_in, corner=args.corner, verbose=args.verbose) + if __name__ == '__main__': main() diff --git a/fuzzers/007-timing/csv_flat2group.py b/fuzzers/007-timing/csv_flat2group.py index f1398b87..4cde0e61 100644 --- a/fuzzers/007-timing/csv_flat2group.py +++ b/fuzzers/007-timing/csv_flat2group.py @@ -2,6 +2,7 @@ from timfuz import Benchmark, loadc_Ads_bs, index_names, load_sub, run_sub_json, instances + def gen_group(fnin, sub_json, strict=False, verbose=False): print('Loading data') Ads, bs = loadc_Ads_bs([fnin], ico=True) @@ -17,6 +18,7 @@ def gen_group(fnin, sub_json, strict=False, verbose=False): for row_ds, row_bs in zip(Ads, bs): yield row_ds, row_bs + def run(fns_in, fnout, sub_json, strict=False, verbose=False): with open(fnout, 'w') as fout: fout.write('ico,fast_max fast_min slow_max slow_min,rows...\n') @@ -28,23 +30,21 @@ def run(fns_in, fnout, sub_json, strict=False, verbose=False): items.append('%u %s' % (v, k)) fout.write(','.join(items) + '\n') + def main(): import argparse - parser = argparse.ArgumentParser( - description= - 'Solve timing solution' - ) + parser = argparse.ArgumentParser(description='Solve timing solution') parser.add_argument('--verbose', action='store_true', help='') parser.add_argument('--strict', action='store_true', help='') parser.add_argument('--sub-csv', help='') - parser.add_argument('--sub-json', required=True, help='Group substitutions to make fully ranked') - parser.add_argument('--out', help='Output sub.json substitution result') parser.add_argument( - 'fns_in', - nargs='*', - help='timing3.txt input files') + '--sub-json', + required=True, + help='Group substitutions to make fully ranked') + parser.add_argument('--out', help='Output sub.json substitution result') + parser.add_argument('fns_in', nargs='*', help='timing3.txt input files') args = parser.parse_args() # Store options in dict to ease passing through functions bench = Benchmark() @@ -52,9 +52,15 @@ def main(): sub_json = load_sub(args.sub_json) try: - run(args.fns_in, args.out, sub_json=sub_json, strict=args.strict, verbose=args.verbose) + run( + args.fns_in, + args.out, + sub_json=sub_json, + strict=args.strict, + verbose=args.verbose) finally: print('Exiting after %s' % bench) + if __name__ == '__main__': main() diff --git a/fuzzers/007-timing/csv_group2flat.py b/fuzzers/007-timing/csv_group2flat.py index 2449b916..438be40e 100644 --- a/fuzzers/007-timing/csv_group2flat.py +++ b/fuzzers/007-timing/csv_group2flat.py @@ -15,6 +15,7 @@ import datetime import os import time + def gen_flat(fnin, sub_json, corner=None): Ads, bs = loadc_Ads_bs([fnin], ico=True) bounds = Ads2bounds(Ads, bs) @@ -50,6 +51,7 @@ def gen_flat(fnin, sub_json, corner=None): for zero in zeros - violations: yield zero, zero_row + def run(fnin, fnout, sub_json, corner=None, sort=False, verbose=False): if sort: sortf = sorted @@ -65,18 +67,19 @@ def run(fnin, fnout, sub_json, corner=None, sort=False, verbose=False): items.append('%u %s' % (1, name)) fout.write(','.join(items) + '\n') + def main(): import argparse - parser = argparse.ArgumentParser( - description= - 'Solve timing solution' - ) + parser = argparse.ArgumentParser(description='Solve timing solution') parser.add_argument('--verbose', action='store_true', help='') parser.add_argument('--sort', action='store_true', help='') parser.add_argument('--sub-csv', help='') - parser.add_argument('--sub-json', required=True, help='Group substitutions to make fully ranked') + parser.add_argument( + '--sub-json', + required=True, + help='Group substitutions to make fully ranked') parser.add_argument('--corner', default=None, help='') parser.add_argument('fnin', default=None, help='input timing delay .csv') parser.add_argument('fnout', default=None, help='output timing delay .csv') @@ -87,9 +90,16 @@ def main(): sub_json = load_sub(args.sub_json) try: - run(args.fnin, args.fnout, sub_json=sub_json, sort=args.sort, verbose=args.verbose, corner=args.corner) + run( + args.fnin, + args.fnout, + sub_json=sub_json, + sort=args.sort, + verbose=args.verbose, + corner=args.corner) finally: print('Exiting after %s' % bench) + if __name__ == '__main__': main() diff --git a/fuzzers/007-timing/node_unique.py b/fuzzers/007-timing/node_unique.py index e5793e64..83b054b9 100644 --- a/fuzzers/007-timing/node_unique.py +++ b/fuzzers/007-timing/node_unique.py @@ -4,6 +4,7 @@ Verifies that node timing info is unique import re + def gen_nodes(fin): for l in fin: lj = {} @@ -22,8 +23,9 @@ def gen_nodes(fin): if name in ('COST_CODE', 'SPEED_CLASS'): value = int(value) lj[name] = value - - tile_type, xy, wname = re.match(r'(.*)_(X[0-9]*Y[0-9]*)/(.*)', lj['NAME']).groups() + + tile_type, xy, wname = re.match( + r'(.*)_(X[0-9]*Y[0-9]*)/(.*)', lj['NAME']).groups() lj['tile_type'] = tile_type lj['xy'] = xy lj['wname'] = wname @@ -32,10 +34,12 @@ def gen_nodes(fin): yield lj + def run(node_fin, verbose=0): refnodes = {} nodei = 0 for nodei, anode in enumerate(gen_nodes(node_fin)): + def getk(anode): return anode['wname'] #return (anode['tile_type'], anode['wname']) @@ -52,22 +56,28 @@ def run(node_fin, verbose=0): # Verify equivilence for k in ( 'SPEED_CLASS', - - 'COST_CODE', 'COST_CODE_NAME', - 'IS_BAD', 'IS_COMPLETE', 'IS_GND', 'IS_VCC', - ): + 'COST_CODE', + 'COST_CODE_NAME', + 'IS_BAD', + 'IS_COMPLETE', + 'IS_GND', + 'IS_VCC', + ): if k in refnode and k in anode: + def fail(): print 'Mismatch on %s' % k print refnode[k], anode[k] print refnode['l'] print anode['l'] #assert 0 + if k == 'SPEED_CLASS': # Parameters known to effect SPEED_CLASS # Verify at least one parameter is different if refnode[k] != anode[k]: - for k2 in ('IS_PIN', 'IS_INPUT_PIN', 'IS_OUTPUT_PIN', 'PIN_WIRE', 'NUM_WIRES'): + for k2 in ('IS_PIN', 'IS_INPUT_PIN', 'IS_OUTPUT_PIN', + 'PIN_WIRE', 'NUM_WIRES'): if refnode[k2] != anode[k2]: break else: @@ -81,19 +91,14 @@ def run(node_fin, verbose=0): elif k in refnode or k in anode: assert 0 + if __name__ == '__main__': import argparse - parser = argparse.ArgumentParser( - description= - 'Timing fuzzer' - ) + parser = argparse.ArgumentParser(description='Timing fuzzer') parser.add_argument('--verbose', type=int, help='') parser.add_argument( - 'node_fn_in', - default='/dev/stdin', - nargs='?', - help='Input file') + 'node_fn_in', default='/dev/stdin', nargs='?', help='Input file') args = parser.parse_args() run(open(args.node_fn_in, 'r'), verbose=args.verbose) diff --git a/fuzzers/007-timing/perf_test.py b/fuzzers/007-timing/perf_test.py index df1998a8..cb400809 100644 --- a/fuzzers/007-timing/perf_test.py +++ b/fuzzers/007-timing/perf_test.py @@ -1,5 +1,4 @@ #!/usr/bin/env python3 - ''' Triaging tool to help understand where we need more timing coverage Finds correlated variables to help make better test cases @@ -16,6 +15,7 @@ from fractions import Fraction import random from sympy import Rational + def intr(r): DELTA = 0.0001 @@ -25,24 +25,30 @@ def intr(r): assert abs(xi - x) < DELTA r[i] = xi + def fracr(r): intr(r) return [Fraction(x) for x in r] + def fracm(m): return [fracr(r) for r in m] + def symratr(r): intr(r) return [Rational(x) for x in r] + def symratm(m): return [symratr(r) for r in m] + def intm(m): [intr(r) for r in m] return m + def create_matrix(rows, cols): ret = np.zeros((rows, cols)) for rowi in range(rows): @@ -50,6 +56,7 @@ def create_matrix(rows, cols): ret[rowi][coli] = random.randint(1, 10) return ret + def create_matrix_sparse(rows, cols): ret = np.zeros((rows, cols)) for rowi in range(rows): @@ -58,7 +65,14 @@ def create_matrix_sparse(rows, cols): ret[rowi][coli] = random.randint(1, 10) return ret -def run(rows=35, cols=200, verbose=False, encoding='np', sparse=False, normalize_last=True): + +def run( + rows=35, + cols=200, + verbose=False, + encoding='np', + sparse=False, + normalize_last=True): random.seed(0) if sparse: mnp = create_matrix_sparse(rows, cols) @@ -85,7 +99,9 @@ def run(rows=35, cols=200, verbose=False, encoding='np', sparse=False, normalize print('Matrix') sympy.pprint(msym) - print('%s matrix, %u rows x %u cols, sparse: %s, normlast: %s' % (encoding, len(mnp), len(mnp[0]), sparse, normalize_last)) + print( + '%s matrix, %u rows x %u cols, sparse: %s, normlast: %s' % + (encoding, len(mnp), len(mnp[0]), sparse, normalize_last)) bench = Benchmark() try: rref, pivots = msym.rref(normalize_last=normalize_last) @@ -99,13 +115,11 @@ def run(rows=35, cols=200, verbose=False, encoding='np', sparse=False, normalize print('rref') sympy.pprint(rref) + def main(): import argparse - parser = argparse.ArgumentParser( - description= - 'Timing fuzzer' - ) + parser = argparse.ArgumentParser(description='Timing fuzzer') parser.add_argument('--verbose', action='store_true', help='') parser.add_argument('--sparse', action='store_true', help='') @@ -115,7 +129,14 @@ def main(): parser.add_argument('--encoding', default='np', help='') args = parser.parse_args() - run(encoding=args.encoding, rows=args.rows, cols=args.cols, sparse=args.sparse, normalize_last=bool(args.normalize_last), verbose=args.verbose) + run( + encoding=args.encoding, + rows=args.rows, + cols=args.cols, + sparse=args.sparse, + normalize_last=bool(args.normalize_last), + verbose=args.verbose) + if __name__ == '__main__': main() diff --git a/fuzzers/007-timing/pip_unique.py b/fuzzers/007-timing/pip_unique.py index 39b45d44..b38c9f4e 100644 --- a/fuzzers/007-timing/pip_unique.py +++ b/fuzzers/007-timing/pip_unique.py @@ -4,6 +4,7 @@ Verifies that node timing info is unique import re + def gen_wires(fin): for l in fin: lj = {} @@ -12,7 +13,8 @@ def gen_wires(fin): name, value = kvs.split(':') lj[name] = value - tile_type, xy, wname = re.match(r'(.*)_(X[0-9]*Y[0-9]*)/(.*)', lj['NAME']).groups() + tile_type, xy, wname = re.match( + r'(.*)_(X[0-9]*Y[0-9]*)/(.*)', lj['NAME']).groups() lj['tile_type'] = tile_type lj['xy'] = xy lj['wname'] = wname @@ -21,10 +23,12 @@ def gen_wires(fin): yield lj + def run(node_fin, verbose=0): refnodes = {} nodei = 0 for nodei, anode in enumerate(gen_wires(node_fin)): + def getk(anode): return anode['wname'] return (anode['tile_type'], anode['wname']) @@ -39,29 +43,29 @@ def run(node_fin, verbose=0): refnodes[getk(anode)] = anode continue k_invariant = ( - 'CAN_INVERT', - 'IS_BUFFERED_2_0', - 'IS_BUFFERED_2_1', - 'IS_DIRECTIONAL', - 'IS_EXCLUDED_PIP', - 'IS_FIXED_INVERSION', - 'IS_INVERTED', - 'IS_PSEUDO', - 'IS_SITE_PIP', - 'IS_TEST_PIP', - ) - k_varies = ( - 'TILE', - ) + 'CAN_INVERT', + 'IS_BUFFERED_2_0', + 'IS_BUFFERED_2_1', + 'IS_DIRECTIONAL', + 'IS_EXCLUDED_PIP', + 'IS_FIXED_INVERSION', + 'IS_INVERTED', + 'IS_PSEUDO', + 'IS_SITE_PIP', + 'IS_TEST_PIP', + ) + k_varies = ('TILE', ) # Verify equivilence for k in k_invariant: if k in refnode and k in anode: + def fail(): print 'Mismatch on %s' % k print refnode[k], anode[k] print refnode['l'] print anode['l'] #assert 0 + if refnode[k] != anode[k]: print fail() @@ -71,19 +75,14 @@ def run(node_fin, verbose=0): elif k not in k_varies: assert 0 + if __name__ == '__main__': import argparse - parser = argparse.ArgumentParser( - description= - 'Timing fuzzer' - ) + parser = argparse.ArgumentParser(description='Timing fuzzer') parser.add_argument('--verbose', type=int, help='') parser.add_argument( - 'node_fn_in', - default='/dev/stdin', - nargs='?', - help='Input file') + 'node_fn_in', default='/dev/stdin', nargs='?', help='Input file') args = parser.parse_args() run(open(args.node_fn_in, 'r'), verbose=args.verbose) diff --git a/fuzzers/007-timing/projects/placelut/generate.py b/fuzzers/007-timing/projects/placelut/generate.py index a56d4c55..68687f91 100644 --- a/fuzzers/007-timing/projects/placelut/generate.py +++ b/fuzzers/007-timing/projects/placelut/generate.py @@ -6,7 +6,6 @@ parser = argparse.ArgumentParser(description='') parser.add_argument('--sdx', default='8', help='') parser.add_argument('--sdy', default='4', help='') args = parser.parse_args() - ''' Generate in pairs Fill up switchbox quad for now @@ -26,15 +25,16 @@ nin = 6 * nlut nout = nlut print('//placelut simple') -print('//SBASE: %s' % (SBASE,)) -print('//SDX: %s' % (SDX,)) -print('//SDY: %s' % (SDX,)) -print('//nlut: %s' % (nlut,)) -print('''\ +print('//SBASE: %s' % (SBASE, )) +print('//SDX: %s' % (SDX, )) +print('//SDY: %s' % (SDX, )) +print('//nlut: %s' % (nlut, )) +print( + '''\ module roi ( input wire clk, input wire [%u:0] ins, - output wire [%u:0] outs);''') % (nin - 1, nout -1) + output wire [%u:0] outs);''') % (nin - 1, nout - 1) ini = 0 outi = 0 @@ -43,7 +43,8 @@ for lutx in xrange(SBASE[0], SBASE[0] + SDX): loc = "SLICE_X%uY%u" % (lutx, luty) for belc in 'ABCD': bel = '%c6LUT' % belc - print('''\ + print( + '''\ (* KEEP, DONT_TOUCH, LOC="%s", BEL="%s" *) LUT6 #( @@ -54,12 +55,13 @@ for lutx in xrange(SBASE[0], SBASE[0] + SDX): .I%u(ins[%u]),''' % (i, ini)) ini += 1 print('''\ - .O(outs[%u]));''') % (outi,) + .O(outs[%u]));''') % (outi, ) outi += 1 assert nin == ini assert nout == outi -print(''' +print( + ''' endmodule module top(input wire clk, input wire stb, input wire di, output wire do); @@ -88,4 +90,3 @@ module top(input wire clk, input wire stb, input wire di, output wire do); .outs(dout) ); endmodule''') % (nin, nout) - diff --git a/fuzzers/007-timing/projects/placelut_fb/generate.py b/fuzzers/007-timing/projects/placelut_fb/generate.py index 7e973da0..8f22dd37 100644 --- a/fuzzers/007-timing/projects/placelut_fb/generate.py +++ b/fuzzers/007-timing/projects/placelut_fb/generate.py @@ -1,5 +1,4 @@ #!/usr/bin/env python - ''' Note: vivado will (by default) fail bitgen DRC on LUT feedback loops Looks like can probably be disabled, but we actually don't need a bitstream for timing analysis @@ -14,7 +13,6 @@ parser = argparse.ArgumentParser(description='') parser.add_argument('--sdx', default='8', help='') parser.add_argument('--sdy', default='4', help='') args = parser.parse_args() - ''' Generate in pairs Fill up switchbox quad for now @@ -34,15 +32,16 @@ nin = 6 * nlut nout = nlut print('//placelut w/ feedback') -print('//SBASE: %s' % (SBASE,)) -print('//SDX: %s' % (SDX,)) -print('//SDY: %s' % (SDX,)) -print('//nlut: %s' % (nlut,)) -print('''\ +print('//SBASE: %s' % (SBASE, )) +print('//SDX: %s' % (SDX, )) +print('//SDY: %s' % (SDX, )) +print('//nlut: %s' % (nlut, )) +print( + '''\ module roi ( input wire clk, input wire [%u:0] ins, - output wire [%u:0] outs);''') % (nin - 1, nout -1) + output wire [%u:0] outs);''') % (nin - 1, nout - 1) ini = 0 outi = 0 @@ -51,7 +50,8 @@ for lutx in xrange(SBASE[0], SBASE[0] + SDX): loc = "SLICE_X%uY%u" % (lutx, luty) for belc in 'ABCD': bel = '%c6LUT' % belc - print('''\ + print( + '''\ (* KEEP, DONT_TOUCH, LOC="%s", BEL="%s" *) LUT6 #( @@ -66,12 +66,13 @@ for lutx in xrange(SBASE[0], SBASE[0] + SDX): print('''\ .I%u(%s),''' % (i, wfrom)) print('''\ - .O(outs[%u]));''') % (outi,) + .O(outs[%u]));''') % (outi, ) outi += 1 #assert nin == ini assert nout == outi -print(''' +print( + ''' endmodule module top(input wire clk, input wire stb, input wire di, output wire do); @@ -100,4 +101,3 @@ module top(input wire clk, input wire stb, input wire di, output wire do); .outs(dout) ); endmodule''') % (nin, nout) - diff --git a/fuzzers/007-timing/projects/placelut_ff_fb/generate.py b/fuzzers/007-timing/projects/placelut_ff_fb/generate.py index 3f8b2784..410e995f 100644 --- a/fuzzers/007-timing/projects/placelut_ff_fb/generate.py +++ b/fuzzers/007-timing/projects/placelut_ff_fb/generate.py @@ -1,5 +1,4 @@ #!/usr/bin/env python - ''' Note: vivado will (by default) fail bitgen DRC on LUT feedback loops Looks like can probably be disabled, but we actually don't need a bitstream for timing analysis @@ -18,7 +17,6 @@ parser = argparse.ArgumentParser(description='') parser.add_argument('--sdx', default='8', help='') parser.add_argument('--sdy', default='4', help='') args = parser.parse_args() - ''' Generate in pairs Fill up switchbox quad for now @@ -38,15 +36,16 @@ nin = 6 * nlut nout = nlut print('//placelut w/ FF + feedback') -print('//SBASE: %s' % (SBASE,)) -print('//SDX: %s' % (SDX,)) -print('//SDY: %s' % (SDX,)) -print('//nlut: %s' % (nlut,)) -print('''\ +print('//SBASE: %s' % (SBASE, )) +print('//SDX: %s' % (SDX, )) +print('//SDY: %s' % (SDX, )) +print('//nlut: %s' % (nlut, )) +print( + '''\ module roi ( input wire clk, input wire [%u:0] ins, - output wire [%u:0] outs);''') % (nin - 1, nout -1) + output wire [%u:0] outs);''') % (nin - 1, nout - 1) ini = 0 outi = 0 @@ -56,7 +55,8 @@ for lutx in xrange(SBASE[0], SBASE[0] + SDX): for belc in 'ABCD': bel = '%c6LUT' % belc name = 'lut_x%uy%u_%c' % (lutx, luty, belc) - print('''\ + print( + '''\ (* KEEP, DONT_TOUCH, LOC="%s", BEL="%s" *) LUT6 #( @@ -75,14 +75,15 @@ for lutx in xrange(SBASE[0], SBASE[0] + SDX): .I%u(%s),''' % (i, wfrom)) out_w = name + '_o' print('''\ - .O(%s));''') % (out_w,) + .O(%s));''') % (out_w, ) outs_w = "outs[%u]" % outi if random.randint(0, 9) < 5: print(' assign %s = %s;' % (outs_w, out_w)) else: out_r = name + '_or' - print('''\ + print( + '''\ reg %s; assign %s = %s; always @(posedge clk) begin @@ -94,7 +95,8 @@ for lutx in xrange(SBASE[0], SBASE[0] + SDX): #assert nin == ini assert nout == outi -print(''' +print( + ''' endmodule module top(input wire clk, input wire stb, input wire di, output wire do); @@ -123,4 +125,3 @@ module top(input wire clk, input wire stb, input wire di, output wire do); .outs(dout) ); endmodule''') % (nin, nout) - diff --git a/fuzzers/007-timing/rref.py b/fuzzers/007-timing/rref.py index bad37401..97b4efa0 100644 --- a/fuzzers/007-timing/rref.py +++ b/fuzzers/007-timing/rref.py @@ -1,5 +1,4 @@ #!/usr/bin/env python3 - ''' Triaging tool to help understand where we need more timing coverage Finds correlated variables to help make better test cases @@ -14,6 +13,7 @@ import sympy from collections import OrderedDict from fractions import Fraction + def fracr(r): DELTA = 0.0001 @@ -24,12 +24,15 @@ def fracr(r): r[i] = xi return [Fraction(x) for x in r] + def fracm(m): return [fracr(r) for r in m] + def fracr_quick(r): return [Fraction(numerator=int(x), denominator=1) for x in r] + # the way I'm doing thing they should all be even integers # hmm this was only slightly faster def fracm_quick(m): @@ -37,6 +40,7 @@ def fracm_quick(m): print('fracm_quick type: %s' % t) return [fracr_quick(r) for r in m] + class State(object): def __init__(self, Ads, drop_names=[]): self.Ads = Ads @@ -57,9 +61,11 @@ class State(object): print("Stats") print(" Substitutions: %u" % len(self.subs)) if self.subs: - print(" Largest: %u" % max([len(x) for x in self.subs.values()])) + print( + " Largest: %u" % max([len(x) for x in self.subs.values()])) print(" Rows: %u" % len(self.Ads)) - print(" Cols (in): %u" % (len(self.base_names) + len(self.drop_names))) + print( + " Cols (in): %u" % (len(self.base_names) + len(self.drop_names))) print(" Cols (preprocessed): %u" % len(self.base_names)) print(" Drop names: %u" % len(self.drop_names)) print(" Cols (out): %u" % len(self.names)) @@ -70,10 +76,11 @@ class State(object): def load(fn_ins, simplify=False, corner=None): Ads, b = loadc_Ads_b(fn_ins, corner=corner, ico=True) if simplify: - print('Simplifying corner %s' % (corner,)) + print('Simplifying corner %s' % (corner, )) Ads, b = simplify_rows(Ads, b, remove_zd=False, corner=corner) return State(Ads) + def write_state(state, fout): j = { 'names': dict([(x, None) for x in state.names]), @@ -84,6 +91,7 @@ def write_state(state, fout): } json.dump(j, fout, sort_keys=True, indent=4, separators=(',', ': ')) + def Anp2matrix(Anp): ''' Original idea was to make into a square matrix @@ -99,6 +107,7 @@ def Anp2matrix(Anp): dst_rowi = (dst_rowi + 1) % ncols return A_ub2 + def row_np2ds(rownp, names): ret = {} assert len(rownp) == len(names), (len(rownp), len(names)) @@ -108,6 +117,7 @@ def row_np2ds(rownp, names): ret[name] = v return ret + def row_sym2dsf(rowsym, names): '''Convert a sympy row into a dictionary of keys to (numerator, denominator) tuples''' from sympy import fraction @@ -121,6 +131,7 @@ def row_sym2dsf(rowsym, names): ret[name] = (int(num), int(den)) return ret + def state_rref(state, verbose=False): print('Converting rows to integer keys') names, Anp = A_ds2np(state.Ads) @@ -195,6 +206,7 @@ def state_rref(state, verbose=False): return state + def run(fnout, fn_ins, simplify=False, corner=None, verbose=0): print('Loading data') @@ -205,24 +217,21 @@ def run(fnout, fn_ins, simplify=False, corner=None, verbose=0): with open(fnout, 'w') as fout: write_state(state, fout) + def main(): import argparse - parser = argparse.ArgumentParser( - description= - 'Timing fuzzer' - ) + parser = argparse.ArgumentParser(description='Timing fuzzer') parser.add_argument('--verbose', action='store_true', help='') parser.add_argument('--simplify', action='store_true', help='') parser.add_argument('--corner', default="slow_max", help='') - parser.add_argument('--speed-json', default='build_speed/speed.json', + parser.add_argument( + '--speed-json', + default='build_speed/speed.json', help='Provides speed index to name translation') parser.add_argument('--out', help='Output sub.json substitution result') - parser.add_argument( - 'fns_in', - nargs='+', - help='timing3.txt input files') + parser.add_argument('fns_in', nargs='+', help='timing3.txt input files') args = parser.parse_args() bench = Benchmark() @@ -231,10 +240,15 @@ def main(): fns_in = glob.glob('specimen_*/timing3.csv') try: - run(fnout=args.out, - fn_ins=args.fns_in, simplify=args.simplify, corner=args.corner, verbose=args.verbose) + run( + fnout=args.out, + fn_ins=args.fns_in, + simplify=args.simplify, + corner=args.corner, + verbose=args.verbose) finally: print('Exiting after %s' % bench) + if __name__ == '__main__': main() diff --git a/fuzzers/007-timing/solve_leastsq.py b/fuzzers/007-timing/solve_leastsq.py index 5bdd4fad..1a1b55e6 100644 --- a/fuzzers/007-timing/solve_leastsq.py +++ b/fuzzers/007-timing/solve_leastsq.py @@ -15,6 +15,7 @@ import timfuz_solve import scipy.optimize as optimize from scipy.optimize import least_squares + def mkestimate(Anp, b): ''' Ballpark upper bound estimate assuming variables contribute all of the delay in their respective row @@ -33,6 +34,7 @@ def mkestimate(Anp, b): x0[coli] = min(x0[coli], ub) return x0 + def save(outfn, xvals, names, corner): # ballpark minimum actual observed delay is around 7 (carry chain) # anything less than one is probably a solver artifact @@ -45,7 +47,7 @@ def save(outfn, xvals, names, corner): 'fast_min': math.floor, 'slow_max': math.ceil, 'slow_min': math.floor, - }[corner] + }[corner] print('Writing results') skips = 0 @@ -69,16 +71,18 @@ def save(outfn, xvals, names, corner): items = [str(row_ico), acorner2csv(roundf(xval), corneri)] items.append('%u %s' % (1, name)) fout.write(','.join(items) + '\n') - print('Wrote: skip %u => %u / %u valid delays' % (skips, keeps, len(names))) + print( + 'Wrote: skip %u => %u / %u valid delays' % (skips, keeps, len(names))) assert keeps, 'Failed to estimate delay' -def run_corner(Anp, b, names, corner, verbose=False, opts={}, meta={}, outfn=None): + +def run_corner( + Anp, b, names, corner, verbose=False, opts={}, meta={}, outfn=None): # Given timing scores for above delays (-ps) assert type(Anp[0]) is np.ndarray, type(Anp[0]) assert type(b) is np.ndarray, type(b) #check_feasible(Anp, b) - ''' Be mindful of signs Have something like @@ -97,7 +101,6 @@ def run_corner(Anp, b, names, corner, verbose=False, opts={}, meta={}, outfn=Non print('Input paths') print(' # timing scores: %d' % len(b)) print(' Rows: %d' % rows) - ''' You must have at least as many things to optimize as variables That is, the system must be plausibly constrained for it to attempt a solve @@ -110,10 +113,11 @@ def run_corner(Anp, b, names, corner, verbose=False, opts={}, meta={}, outfn=Non tlast = [None] iters = [0] printn = [0] + def progress_print(): iters[0] += 1 if tlast[0] is None: - tlast[0]= time.time() + tlast[0] = time.time() if time.time() - tlast[0] > 1.0: sys.stdout.write('I:%d ' % iters[0]) tlast[0] = time.time() @@ -143,23 +147,22 @@ def run_corner(Anp, b, names, corner, verbose=False, opts={}, meta={}, outfn=Non if outfn: save(outfn, res.x, names, corner) + def main(): import argparse parser = argparse.ArgumentParser( description= - 'Solve timing solution using least squares objective function' - ) + 'Solve timing solution using least squares objective function') parser.add_argument('--verbose', action='store_true', help='') parser.add_argument('--massage', action='store_true', help='') - parser.add_argument('--sub-json', help='Group substitutions to make fully ranked') - parser.add_argument('--corner', default="slow_max", help='') - parser.add_argument('--out', default=None, help='output timing delay .json') parser.add_argument( - 'fns_in', - nargs='+', - help='timing3.csv input files') + '--sub-json', help='Group substitutions to make fully ranked') + parser.add_argument('--corner', default="slow_max", help='') + parser.add_argument( + '--out', default=None, help='output timing delay .json') + parser.add_argument('fns_in', nargs='+', help='timing3.csv input files') args = parser.parse_args() # Store options in dict to ease passing through functions bench = Benchmark() @@ -169,10 +172,17 @@ def main(): sub_json = load_sub(args.sub_json) try: - timfuz_solve.run(run_corner=run_corner, sub_json=sub_json, - fns_in=args.fns_in, corner=args.corner, massage=args.massage, outfn=args.out, verbose=args.verbose) + timfuz_solve.run( + run_corner=run_corner, + sub_json=sub_json, + fns_in=args.fns_in, + corner=args.corner, + massage=args.massage, + outfn=args.out, + verbose=args.verbose) finally: print('Exiting after %s' % bench) + if __name__ == '__main__': main() diff --git a/fuzzers/007-timing/solve_linprog.py b/fuzzers/007-timing/solve_linprog.py index ee73a702..29e4d826 100644 --- a/fuzzers/007-timing/solve_linprog.py +++ b/fuzzers/007-timing/solve_linprog.py @@ -12,6 +12,7 @@ import os import time import timfuz_solve + def save(outfn, xvals, names, corner): # ballpark minimum actual observed delay is around 7 (carry chain) # anything less than one is probably a solver artifact @@ -23,7 +24,7 @@ def save(outfn, xvals, names, corner): 'fast_min': math.floor, 'slow_max': math.ceil, 'slow_min': math.floor, - }[corner] + }[corner] print('Writing results') zeros = 0 @@ -45,9 +46,13 @@ def save(outfn, xvals, names, corner): items.append('%u %s' % (1, name)) fout.write(','.join(items) + '\n') nonzeros = len(names) - zeros - print('Wrote: %u / %u constrained delays, %u zeros' % (nonzeros, len(names), zeros)) + print( + 'Wrote: %u / %u constrained delays, %u zeros' % + (nonzeros, len(names), zeros)) -def run_corner(Anp, b, names, corner, verbose=False, opts={}, meta={}, outfn=None): + +def run_corner( + Anp, b, names, corner, verbose=False, opts={}, meta={}, outfn=None): if len(Anp) == 0: print('WARNING: zero equations') if outfn: @@ -58,14 +63,13 @@ def run_corner(Anp, b, names, corner, verbose=False, opts={}, meta={}, outfn=Non 'slow_min': False, 'fast_max': True, 'fast_min': False, - }[corner] + }[corner] # Given timing scores for above delays (-ps) assert type(Anp[0]) is np.ndarray, type(Anp[0]) assert type(b) is np.ndarray, type(b) #check_feasible(Anp, b) - ''' Be mindful of signs t1, t2: total delay contants @@ -133,6 +137,7 @@ def run_corner(Anp, b, names, corner, verbose=False, opts={}, meta={}, outfn=Non tlast = [time.time()] iters = [0] printn = [0] + def callback(xk, **kwargs): iters[0] = kwargs['nit'] if time.time() - tlast[0] > 1.0: @@ -147,8 +152,18 @@ def run_corner(Anp, b, names, corner, verbose=False, opts={}, meta={}, outfn=Non # Now find smallest values for delay constants # Due to input bounds (ex: column limit), some delay elements may get eliminated entirely print('Running linprog w/ %d r, %d c (%d name)' % (rows, cols, len(names))) - res = linprog(c, A_ub=A_ub, b_ub=b_ub, bounds=bounds, callback=callback, - options={"disp": True, 'maxiter': maxiter, 'bland': True, 'tol': 1e-6,}) + res = linprog( + c, + A_ub=A_ub, + b_ub=b_ub, + bounds=bounds, + callback=callback, + options={ + "disp": True, + 'maxiter': maxiter, + 'bland': True, + 'tol': 1e-6, + }) nonzeros = 0 print('Ran %d iters' % iters[0]) if res.success: @@ -159,31 +174,31 @@ def run_corner(Anp, b, names, corner, verbose=False, opts={}, meta={}, outfn=Non if nonzero: nonzeros += 1 #if nonzero and (verbose >= 1 or xi > 30): - if nonzero and (verbose or ((nonzeros < 100 or nonzeros % 20 == 0) and nonzeros <= plim)): + if nonzero and (verbose or ( + (nonzeros < 100 or nonzeros % 20 == 0) and nonzeros <= plim)): print(' % 4u % -80s % 10.1f' % (xi, name, x)) print('Delay on %d / %d' % (nonzeros, len(res.x))) if outfn: save(outfn, res.x, names, corner) + def main(): import argparse parser = argparse.ArgumentParser( description= - 'Solve timing solution using linear programming inequalities' - ) + 'Solve timing solution using linear programming inequalities') parser.add_argument('--verbose', action='store_true', help='') parser.add_argument('--massage', action='store_true', help='') parser.add_argument('--sub-csv', help='') - parser.add_argument('--sub-json', help='Group substitutions to make fully ranked') - parser.add_argument('--corner', default=None, required=True, help='') - parser.add_argument('--out', default=None, help='output timing delay .json') parser.add_argument( - 'fns_in', - nargs='*', - help='timing3.csv input files') + '--sub-json', help='Group substitutions to make fully ranked') + parser.add_argument('--corner', default=None, required=True, help='') + parser.add_argument( + '--out', default=None, help='output timing delay .json') + parser.add_argument('fns_in', nargs='*', help='timing3.csv input files') args = parser.parse_args() # Store options in dict to ease passing through functions bench = Benchmark() @@ -197,10 +212,18 @@ def main(): sub_json = load_sub(args.sub_json) try: - timfuz_solve.run(run_corner=run_corner, sub_json=sub_json, sub_csv=args.sub_csv, - fns_in=fns_in, corner=args.corner, massage=args.massage, outfn=args.out, verbose=args.verbose) + timfuz_solve.run( + run_corner=run_corner, + sub_json=sub_json, + sub_csv=args.sub_csv, + fns_in=fns_in, + corner=args.corner, + massage=args.massage, + outfn=args.out, + verbose=args.verbose) finally: print('Exiting after %s' % bench) + if __name__ == '__main__': main() diff --git a/fuzzers/007-timing/speed/speed_json.py b/fuzzers/007-timing/speed/speed_json.py index 07dfd20b..1f0a3910 100644 --- a/fuzzers/007-timing/speed/speed_json.py +++ b/fuzzers/007-timing/speed/speed_json.py @@ -1,5 +1,6 @@ import json + def load_speed(fin): speed_models = {} speed_types = {} @@ -9,9 +10,9 @@ def load_speed(fin): for kvs in l.split(): name, value = kvs.split(':') name = name.lower() - if name in ('class',): + if name in ('class', ): continue - if name in ('speed_index',): + if name in ('speed_index', ): value = int(value) if name == 'type': speed_types.setdefault(value, {}) @@ -38,6 +39,7 @@ def load_speed(fin): speed_models[delayk] = delay return speed_models, speed_types + def load_cost_code(fin): # COST_CODE:4 COST_CODE_NAME:SLOWSINGLE cost_codes = {} @@ -53,11 +55,12 @@ def load_cost_code(fin): 'code': int(lj['cost_code']), # Hmm is this unique per type? #'speed_class': int(lj['speed_class']), - } - + } + cost_codes[cost_code['name']] = cost_code return cost_codes + def run(speed_fin, node_fin, fout, verbose=0): print('Loading data') speed_models, speed_types = load_speed(speed_fin) @@ -67,32 +70,25 @@ def run(speed_fin, node_fin, fout, verbose=0): 'speed_model': speed_models, 'speed_type': speed_types, 'cost_code': cost_codes, - } + } json.dump(j, fout, sort_keys=True, indent=4, separators=(',', ': ')) + if __name__ == '__main__': import argparse - parser = argparse.ArgumentParser( - description= - 'Timing fuzzer' - ) + parser = argparse.ArgumentParser(description='Timing fuzzer') parser.add_argument('--verbose', type=int, help='') parser.add_argument( - 'speed_fn_in', - default='/dev/stdin', - nargs='?', - help='Input file') + 'speed_fn_in', default='/dev/stdin', nargs='?', help='Input file') parser.add_argument( - 'node_fn_in', - default='/dev/stdin', - nargs='?', - help='Input file') + 'node_fn_in', default='/dev/stdin', nargs='?', help='Input file') parser.add_argument( - 'fn_out', - default='/dev/stdout', - nargs='?', - help='Output file') + 'fn_out', default='/dev/stdout', nargs='?', help='Output file') args = parser.parse_args() - run(open(args.speed_fn_in, 'r'), open(args.node_fn_in, 'r'), open(args.fn_out, 'w'), verbose=args.verbose) + run( + open(args.speed_fn_in, 'r'), + open(args.node_fn_in, 'r'), + open(args.fn_out, 'w'), + verbose=args.verbose) diff --git a/fuzzers/007-timing/sub2csv.py b/fuzzers/007-timing/sub2csv.py index 9ea9bbbc..8567d5e3 100644 --- a/fuzzers/007-timing/sub2csv.py +++ b/fuzzers/007-timing/sub2csv.py @@ -9,6 +9,7 @@ import sympy from collections import OrderedDict from fractions import Fraction + def mlcm(xs): ''' Find the LCM between elements in a group @@ -20,6 +21,7 @@ def mlcm(xs): l = int(max(lthis, l)) return ret + def write_state(state, fout): j = { 'names': dict([(x, None) for x in state.names]), @@ -30,6 +32,7 @@ def write_state(state, fout): } json.dump(j, fout, sort_keys=True, indent=4, separators=(',', ': ')) + def gen_rows(fn_ins): for fn_in in fn_ins: try: @@ -52,7 +55,7 @@ def gen_rows(fn_ins): n = 1 for _var, (_num, den) in sub.items(): n *= den - + for var, (num, den) in sub.items(): num2 = n * num assert num2 % den == 0 @@ -62,6 +65,7 @@ def gen_rows(fn_ins): print("Error processing %s" % fn_in) raise + def run(fnout, fn_ins, verbose=0): print('Loading data') @@ -76,6 +80,7 @@ def run(fnout, fn_ins, verbose=0): items.append('%i %s' % (v, k)) fout.write(','.join(items) + '\n') + def main(): import argparse @@ -86,20 +91,17 @@ def main(): parser.add_argument('--verbose', action='store_true', help='') parser.add_argument('--out', help='Output csv') - parser.add_argument( - 'fns_in', - nargs='*', - help='sub.json input files') + parser.add_argument('fns_in', nargs='*', help='sub.json input files') args = parser.parse_args() bench = Benchmark() fns_in = args.fns_in try: - run(fnout=args.out, - fn_ins=args.fns_in, verbose=args.verbose) + run(fnout=args.out, fn_ins=args.fns_in, verbose=args.verbose) finally: print('Exiting after %s' % bench) + if __name__ == '__main__': main() diff --git a/fuzzers/007-timing/tile_annotate.py b/fuzzers/007-timing/tile_annotate.py index 5b897b4d..58b89235 100644 --- a/fuzzers/007-timing/tile_annotate.py +++ b/fuzzers/007-timing/tile_annotate.py @@ -8,10 +8,12 @@ import os import time import json + # corner wokraround def quad(x): return [x for _ in range(4)] + def run(fnin, fnout, tile_json_fn, verbose=False): # modified in place tilej = json.load(open(tile_json_fn, 'r')) @@ -50,18 +52,26 @@ def run(fnin, fnout, tile_json_fn, verbose=False): for corner, corneri in timfuz.corner_s2i.items(): print('Corner %s' % corner) - print(' Pips: %u / %u solved, %u / %u covered' % (pipn_solved[corneri], pipn_net, pipn_covered[corneri], pipn_net)) - print(' Wires: %u / %u solved, %u / %u covered' % (wiren_solved[corneri], wiren_net, wiren_covered[corneri], wiren_net)) + print( + ' Pips: %u / %u solved, %u / %u covered' % + (pipn_solved[corneri], pipn_net, pipn_covered[corneri], pipn_net)) + print( + ' Wires: %u / %u solved, %u / %u covered' % ( + wiren_solved[corneri], wiren_net, wiren_covered[corneri], + wiren_net)) + + json.dump( + tilej, + open(fnout, 'w'), + sort_keys=True, + indent=4, + separators=(',', ': ')) - json.dump(tilej, open(fnout, 'w'), sort_keys=True, indent=4, separators=(',', ': ')) def main(): import argparse - parser = argparse.ArgumentParser( - description= - '' - ) + parser = argparse.ArgumentParser(description='') parser.add_argument('--tile-json', default='tiles.json', help='') parser.add_argument('fnin', default=None, help='Flattened timing csv') parser.add_argument('fnout', default=None, help='output tile .json') @@ -69,5 +79,6 @@ def main(): run(args.fnin, args.fnout, args.tile_json, verbose=False) + if __name__ == '__main__': main() diff --git a/fuzzers/007-timing/tile_combine.py b/fuzzers/007-timing/tile_combine.py index 35ea2291..940d628f 100644 --- a/fuzzers/007-timing/tile_combine.py +++ b/fuzzers/007-timing/tile_combine.py @@ -6,11 +6,12 @@ import time import json from collections import OrderedDict -corner_s2i = OrderedDict([ - ('fast_max', 0), - ('fast_min', 1), - ('slow_max', 2), - ('slow_min', 3), +corner_s2i = OrderedDict( + [ + ('fast_max', 0), + ('fast_min', 1), + ('slow_max', 2), + ('slow_min', 3), ]) corner2minmax = { @@ -18,7 +19,8 @@ corner2minmax = { 'fast_min': min, 'slow_max': max, 'slow_min': min, - } +} + def build_tilejo(fnins): ''' @@ -45,6 +47,7 @@ def build_tilejo(fnins): tilejo['tiles'][tilek] = tilevi # Otherwise combine else: + def process_type(etype): for pipk, pipvi in tilevi[etype].items(): pipvo = tilevo[etype][pipk] @@ -61,10 +64,12 @@ def build_tilejo(fnins): else: minmax = corner2minmax[cornerk] pipvo[corneri] = minmax(cornervi, cornervo) + process_type('pips') process_type('wires') return tilejo + def check_corner_minmax(tilej, verbose=False): # Post processing pass looking for min/max inconsistencies # Especially an issue due to complexities around under-constrained elements @@ -73,12 +78,13 @@ def check_corner_minmax(tilej, verbose=False): checks = 0 bad = 0 for tilev in tilej['tiles'].values(): + def process_type(etype): nonlocal checks nonlocal bad for pipk, pipv in tilev[etype].items(): - for corner in ('slow', 'fast'): + for corner in ('slow', 'fast'): mini = corner_s2i[corner + '_min'] minv = pipv[mini] maxi = corner_s2i[corner + '_max'] @@ -87,7 +93,9 @@ def check_corner_minmax(tilej, verbose=False): checks += 1 if minv > maxv: if verbose: - print('WARNING: element %s %s min/max adjusted on corner %s' % (etype, pipk, corner)) + print( + 'WARNING: element %s %s min/max adjusted on corner %s' + % (etype, pipk, corner)) bad += 1 pipv[mini] = maxv pipv[maxi] = minv @@ -96,28 +104,35 @@ def check_corner_minmax(tilej, verbose=False): process_type('wires') print('minmax: %u / %u bad' % (bad, checks)) + def check_corners_minmax(tilej, verbose=False): # TODO: check fast vs slow pass + def run(fnins, fnout, verbose=False): tilejo = build_tilejo(fnins) check_corner_minmax(tilejo) check_corners_minmax(tilejo) - json.dump(tilejo, open(fnout, 'w'), sort_keys=True, indent=4, separators=(',', ': ')) + json.dump( + tilejo, + open(fnout, 'w'), + sort_keys=True, + indent=4, + separators=(',', ': ')) + def main(): import argparse parser = argparse.ArgumentParser( - description= - 'Combine multiple tile corners into one .json file' - ) + description='Combine multiple tile corners into one .json file') parser.add_argument('--out', required=True, help='Combined .json file') parser.add_argument('fnins', nargs='+', help='Input .json files') args = parser.parse_args() run(args.fnins, args.out, verbose=False) + if __name__ == '__main__': main() diff --git a/fuzzers/007-timing/timfuz.py b/fuzzers/007-timing/timfuz.py index 6287cce2..45569ed2 100644 --- a/fuzzers/007-timing/timfuz.py +++ b/fuzzers/007-timing/timfuz.py @@ -16,27 +16,30 @@ from fractions import Fraction from benchmark import Benchmark -NAME_ZERO = set([ - "BSW_CLK_ZERO", - "BSW_ZERO", - "B_ZERO", - "C_CLK_ZERO", - "C_DSP_ZERO", - "C_ZERO", - "I_ZERO", - "O_ZERO", - "RC_ZERO", - "R_ZERO", - ]) +NAME_ZERO = set( + [ + "BSW_CLK_ZERO", + "BSW_ZERO", + "B_ZERO", + "C_CLK_ZERO", + "C_DSP_ZERO", + "C_ZERO", + "I_ZERO", + "O_ZERO", + "RC_ZERO", + "R_ZERO", + ]) # csv index -corner_s2i = OrderedDict([ - ('fast_max', 0), - ('fast_min', 1), - ('slow_max', 2), - ('slow_min', 3), +corner_s2i = OrderedDict( + [ + ('fast_max', 0), + ('fast_min', 1), + ('slow_max', 2), + ('slow_min', 3), ]) + # Equations are filtered out until nothing is left class SimplifiedToZero(Exception): pass @@ -45,6 +48,7 @@ class SimplifiedToZero(Exception): def allow_zero_eqns(): return os.getenv('ALLOW_ZERO_EQN', 'N') == 'Y' + def print_eqns(A_ubd, b_ub, verbose=0, lim=3, label=''): rows = len(b_ub) @@ -52,7 +56,8 @@ def print_eqns(A_ubd, b_ub, verbose=0, lim=3, label=''): prints = 0 #verbose = 1 for rowi, row in enumerate(A_ubd): - if verbose or ((rowi < 10 or rowi % max(1, (rows / 20)) == 0) and (not lim or prints < lim)): + if verbose or ((rowi < 10 or rowi % max(1, (rows / 20)) == 0) and + (not lim or prints < lim)): line = ' EQN: p%u: ' % rowi for k, v in sorted(row.items()): line += '%u*t%d ' % (v, k) @@ -60,6 +65,7 @@ def print_eqns(A_ubd, b_ub, verbose=0, lim=3, label=''): print(line) prints += 1 + def print_name_eqns(A_ubd, b_ub, names, verbose=0, lim=3, label=''): rows = len(b_ub) @@ -67,7 +73,8 @@ def print_name_eqns(A_ubd, b_ub, names, verbose=0, lim=3, label=''): prints = 0 #verbose = 1 for rowi, row in enumerate(A_ubd): - if verbose or ((rowi < 10 or rowi % max(1, (rows / 20)) == 0) and (not lim or prints < lim)): + if verbose or ((rowi < 10 or rowi % max(1, (rows / 20)) == 0) and + (not lim or prints < lim)): line = ' EQN: p%u: ' % rowi for k, v in sorted(row.items()): line += '%u*%s ' % (v, names[k]) @@ -75,19 +82,23 @@ def print_name_eqns(A_ubd, b_ub, names, verbose=0, lim=3, label=''): print(line) prints += 1 + def print_names(names, verbose=1): print('Names: %d' % len(names)) for xi, name in enumerate(names): print(' % 4u % -80s' % (xi, name)) + def invb(b_ub): #return [-b for b in b_ub] return -np.array(b_ub) + def check_feasible_d(A_ubd, b_ub, names): A_ub, b_ub_inv = Ab_d2np(A_ubd, b_ub, names) check_feasible(A_ub, b_ub_inv) + def check_feasible(A_ub, b_ub): sys.stdout.write('Check feasible ') sys.stdout.flush() @@ -118,6 +129,7 @@ def check_feasible(A_ub, b_ub): this += A_ub[row][col] * xs[col] ret[row] = this return ret + b_res = my_mul(A_ub, xs) # Verify bound was respected @@ -126,10 +138,13 @@ def check_feasible(A_ub, b_ub): sys.stdout.write('.') sys.stdout.flush() if this_b >= this_b_ub or this_b > 0: - print('% 4d Want res % 10.1f <= % 10.1f <= 0' % (rowi, this_b, this_b_ub)) + print( + '% 4d Want res % 10.1f <= % 10.1f <= 0' % + (rowi, this_b, this_b_ub)) raise Exception("Bad ") print(' done') + def Ab_ub_dt2d(eqns): '''Convert dict using the rows as keys into a list of dicts + b_ub list (ie return A_ub, b_ub)''' #return [dict(rowt) for rowt in eqns] @@ -137,6 +152,7 @@ def Ab_ub_dt2d(eqns): A_ubd, b_ub = zip(*rows) return list(A_ubd), list(b_ub) + # This significantly reduces runtime def simplify_rows(Ads, b_ub, remove_zd=False, corner=None): '''Remove duplicate equations, taking highest delay''' @@ -150,14 +166,14 @@ def simplify_rows(Ads, b_ub, remove_zd=False, corner=None): 'fast_min': min, 'slow_max': max, 'slow_min': min, - }[corner] + }[corner] # An outlier to make unknown values be ignored T_UNK = { 'fast_max': 0, 'fast_min': 10e9, 'slow_max': 0, 'slow_min': 10e9, - }[corner] + }[corner] sys.stdout.write('SimpR ') sys.stdout.flush() @@ -188,12 +204,15 @@ def simplify_rows(Ads, b_ub, remove_zd=False, corner=None): print(' done') - print('Simplify rows: %d => %d rows w/ zd %d, ze %d' % (len(b_ub), len(eqns), zero_ds, zero_es)) + print( + 'Simplify rows: %d => %d rows w/ zd %d, ze %d' % + (len(b_ub), len(eqns), zero_ds, zero_es)) if len(eqns) == 0: raise SimplifiedToZero() A_ubd_ret, b_ub_ret = Ab_ub_dt2d(eqns) return A_ubd_ret, b_ub_ret + def A_ubr_np2d(row): '''Convert a single row''' #d = {} @@ -203,6 +222,7 @@ def A_ubr_np2d(row): d[coli] = val return d + def A_ub_np2d(A_ub): '''Convert A_ub entries in numpy matrix to dictionary / sparse form''' Adi = [None] * len(A_ub) @@ -210,6 +230,7 @@ def A_ub_np2d(A_ub): Adi[i] = A_ubr_np2d(row) return Adi + def Ar_di2np(row_di, cols): rownp = np.zeros(cols) for coli, val in row_di.items(): @@ -217,37 +238,45 @@ def Ar_di2np(row_di, cols): rownp[coli] = val return rownp + # NOTE: sign inversion def A_di2np(Adi, cols): '''Convert A_ub entries in dictionary / sparse to numpy matrix form''' return [Ar_di2np(row_di, cols) for row_di in Adi] + def Ar_ds2t(rowd): '''Convert a dictionary row into a tuple with (column number, value) tuples''' return tuple(sorted(rowd.items())) + def A_ubr_t2d(rowt): '''Convert a dictionary row into a tuple with (column number, value) tuples''' return OrderedDict(rowt) + def A_ub_d2t(A_ubd): '''Convert rows as dicts to rows as tuples''' return [Ar_ds2t(rowd) for rowd in A_ubd] + def A_ub_t2d(A_ubd): '''Convert rows as tuples to rows as dicts''' return [OrderedDict(rowt) for rowt in A_ubd] + def Ab_d2np(A_ubd, b_ub, names): A_ub = A_di2np(A_ubd, len(names)) b_ub_inv = invb(b_ub) return A_ub, b_ub_inv + def Ab_np2d(A_ub, b_ub_inv): A_ubd = A_ub_np2d(A_ub) b_ub = invb(b_ub_inv) return A_ubd, b_ub + def sort_equations(Ads, b): # Track rows with value column # Hmm can't sort against np arrays @@ -257,6 +286,7 @@ def sort_equations(Ads, b): A_ubtr, b_ubr = zip(*res) return [OrderedDict(rowt) for rowt in A_ubtr], b_ubr + def derive_eq_by_row(A_ubd, b_ub, verbose=0, col_lim=0, tweak=False): ''' Derive equations by subtracting whole rows @@ -348,10 +378,13 @@ def derive_eq_by_row(A_ubd, b_ub, verbose=0, col_lim=0, tweak=False): print(' done') #A_ub_ret = A_di2np(A_ubd2, cols=cols) - print('Derive row: %d => %d rows using %d lte, %d sc' % (len(b_ub), len(b_ub_ret), ltes, scs)) + print( + 'Derive row: %d => %d rows using %d lte, %d sc' % + (len(b_ub), len(b_ub_ret), ltes, scs)) assert len(A_ubd_ret) == len(b_ub_ret) return A_ubd_ret, b_ub_ret + def derive_eq_by_col(A_ubd, b_ub, verbose=0): ''' Derive equations by subtracting out all bounded constants (ie "known" columns) @@ -380,7 +413,6 @@ def derive_eq_by_col(A_ubd, b_ub, verbose=0): print(' done') #knowns_set = set(knowns.keys()) print('%d constrained' % len(knowns)) - ''' Now see what we can do Rows that are already constrained: eliminate @@ -425,6 +457,7 @@ def derive_eq_by_col(A_ubd, b_ub, verbose=0): print('Derive col: %d => %d rows' % (len(b_ub), len(b_ub_ret))) return A_ubd_ret, b_ub_ret + def col_dist(Ads, desc='of', names=[], lim=0): '''print(frequency distribution of number of elements in a given row''' rows = len(Ads) @@ -435,7 +468,9 @@ def col_dist(Ads, desc='of', names=[], lim=0): this_cols = len(row) fs[this_cols] = fs.get(this_cols, 0) + 1 - print('Col count distribution (%s) for %dr x %dc w/ %d freqs' % (desc, rows, cols, len(fs))) + print( + 'Col count distribution (%s) for %dr x %dc w/ %d freqs' % + (desc, rows, cols, len(fs))) prints = 0 for i, (k, v) in enumerate(sorted(fs.items())): if lim == 0 or (lim and prints < lim or i == len(fs) - 1): @@ -444,6 +479,7 @@ def col_dist(Ads, desc='of', names=[], lim=0): if lim and prints == lim: print(' ...') + def name_dist(A_ubd, desc='of', names=[], lim=0): '''print(frequency distribution of number of times an element appears''' rows = len(A_ubd) @@ -467,7 +503,7 @@ def name_dist(A_ubd, desc='of', names=[], lim=0): for v in fs.values(): fs2[v] = fs2.get(v, 0) + 1 prints = 0 - print('Distribution distribution (%d items)'% len(fs2)) + print('Distribution distribution (%d items)' % len(fs2)) for i, (k, v) in enumerate(sorted(fs2.items())): if lim == 0 or (lim and prints < lim or i == len(fs2) - 1): print(' %s: %s' % (k, v)) @@ -479,6 +515,7 @@ def name_dist(A_ubd, desc='of', names=[], lim=0): if zeros: raise Exception("%d names without equation" % zeros) + def filter_ncols(A_ubd, b_ub, cols_min=0, cols_max=0): '''Only keep equations with a few delay elements''' A_ubd_ret = [] @@ -486,26 +523,32 @@ def filter_ncols(A_ubd, b_ub, cols_min=0, cols_max=0): #print('Removing large rows') for rowd, b in zip(A_ubd, b_ub): - if (not cols_min or len(rowd) >= cols_min) and (not cols_max or len(rowd) <= cols_max): + if (not cols_min or len(rowd) >= cols_min) and (not cols_max or + len(rowd) <= cols_max): A_ubd_ret.append(rowd) b_ub_ret.append(b) - print('Filter ncols w/ %d <= cols <= %d: %d ==> %d rows' % (cols_min, cols_max, len(b_ub), len(b_ub_ret))) + print( + 'Filter ncols w/ %d <= cols <= %d: %d ==> %d rows' % + (cols_min, cols_max, len(b_ub), len(b_ub_ret))) assert len(b_ub_ret) return A_ubd_ret, b_ub_ret + def Ar_di2ds(rowA, names): row = OrderedDict() for k, v in rowA.items(): row[names[k]] = v return row + def A_di2ds(Adi, names): rows = [] for row_di in Adi: rows.append(Ar_di2ds(row_di, names)) return rows + def Ar_ds2di(row_ds, names): def keyi(name): if name not in names: @@ -517,6 +560,7 @@ def Ar_ds2di(row_ds, names): row_di[keyi(k)] = v return row_di + def A_ds2di(rows): names = OrderedDict() @@ -526,10 +570,12 @@ def A_ds2di(rows): return list(names.keys()), A_ubd + def A_ds2np(Ads): names, Adi = A_ds2di(Ads) return names, A_di2np(Adi, len(names)) + def loadc_Ads_mkb(fns, mkb, filt): bs = [] Ads = [] @@ -548,10 +594,13 @@ def loadc_Ads_mkb(fns, mkb, filt): return None else: return int(bstr) + corners = [mkcorner(corner) for corner in corners.split()] + def mkvar(x): i, var = x.split() return (var, int(i)) + vars = OrderedDict([mkvar(var) for var in vars]) if not filt(ico, corners, vars): continue @@ -561,6 +610,7 @@ def loadc_Ads_mkb(fns, mkb, filt): return Ads, bs + def loadc_Ads_b(fns, corner, ico=None): corner = corner or "slow_max" corneri = corner_s2i[corner] @@ -572,8 +622,10 @@ def loadc_Ads_b(fns, corner, ico=None): def mkb(val): return val[corneri] + return loadc_Ads_mkb(fns, mkb, filt) + def loadc_Ads_bs(fns, ico=None): if ico is not None: filt = lambda ico_, corners, vars: ico_ == ico @@ -582,15 +634,19 @@ def loadc_Ads_bs(fns, ico=None): def mkb(val): return val + return loadc_Ads_mkb(fns, mkb, filt) + def loadc_Ads_raw(fns): filt = lambda ico, corners, vars: True def mkb(val): return val + return loadc_Ads_mkb(fns, mkb, filt) + def index_names(Ads): names = set() for row_ds in Ads: @@ -598,6 +654,7 @@ def index_names(Ads): names.add(k1) return names + def load_sub(fn): j = json.load(open(fn, 'r')) @@ -607,6 +664,7 @@ def load_sub(fn): return j + def row_sub_syms(row, sub_json, strict=False, verbose=False): if 0 and verbose: print("") @@ -669,6 +727,7 @@ def row_sub_syms(row, sub_json, strict=False, verbose=False): for k, v in sorted(row.items()): assert v > 0, (k, v) + def run_sub_json(Ads, sub_json, strict=False, verbose=False): ''' strict: complain if a sub doesn't go in evenly @@ -709,13 +768,15 @@ def run_sub_json(Ads, sub_json, strict=False, verbose=False): print("Sub: %u / %u rows changed" % (nsubs, nrows)) print("Sub: %u => %u non-zero row cols" % (ncols_old, ncols_new)) + def print_eqns(Ads, b, verbose=0, lim=3, label=''): rows = len(b) print('Sample equations (%s) from %d r' % (label, rows)) prints = 0 for rowi, row in enumerate(Ads): - if verbose or ((rowi < 10 or rowi % max(1, (rows / 20)) == 0) and (not lim or prints < lim)): + if verbose or ((rowi < 10 or rowi % max(1, (rows / 20)) == 0) and + (not lim or prints < lim)): line = ' EQN: p%u: ' % rowi for k, v in sorted(row.items()): line += '%u*t%s ' % (v, k) @@ -723,10 +784,12 @@ def print_eqns(Ads, b, verbose=0, lim=3, label=''): print(line) prints += 1 + def print_eqns_np(A_ub, b_ub, verbose=0): Adi = A_ub_np2d(A_ub) print_eqns(Adi, b_ub, verbose=verbose) + def Ads2bounds(Ads, bs): ret = {} for row_ds, row_bs in zip(Ads, bs): @@ -736,17 +799,20 @@ def Ads2bounds(Ads, bs): ret[k] = row_bs return ret + def instances(Ads): ret = 0 for row_ds in Ads: ret += sum(row_ds.values()) return ret + def acorner2csv(b, corneri): corners = ["None" for _ in range(4)] corners[corneri] = str(b) return ' '.join(corners) + def corners2csv(bs): assert len(bs) == 4 corners = ["None" if b is None else str(b) for b in bs] diff --git a/fuzzers/007-timing/timfuz_massage.py b/fuzzers/007-timing/timfuz_massage.py index 1f52af5b..4be04737 100644 --- a/fuzzers/007-timing/timfuz_massage.py +++ b/fuzzers/007-timing/timfuz_massage.py @@ -10,6 +10,7 @@ import time import copy from collections import OrderedDict + def lte_const(row_ref, row_cmp): '''Return true if all constants are smaller magnitude in row_cmp than row_ref''' #return False @@ -22,6 +23,7 @@ def lte_const(row_ref, row_cmp): return False return True + def shared_const(row_ref, row_cmp): '''Return true if more constants are equal than not equal''' #return False @@ -43,6 +45,7 @@ def shared_const(row_ref, row_cmp): # Will equation reduce if subtracted? return matches > unmatches + def reduce_const(row_ref, row_cmp): '''Subtract cmp constants from ref''' #ret = {} @@ -57,6 +60,7 @@ def reduce_const(row_ref, row_cmp): ret[k] = res return ret + def derive_eq_by_row(Ads, b, verbose=0, col_lim=0, tweak=False): ''' Derive equations by subtracting whole rows @@ -148,10 +152,13 @@ def derive_eq_by_row(Ads, b, verbose=0, col_lim=0, tweak=False): print(' done') #A_ub_ret = A_di2np(Ads2, cols=cols) - print('Derive row: %d => %d rows using %d lte, %d sc' % (len(b), len(b_ret), ltes, scs)) + print( + 'Derive row: %d => %d rows using %d lte, %d sc' % + (len(b), len(b_ret), ltes, scs)) assert len(Ads_ret) == len(b_ret) return Ads_ret, b_ret + def derive_eq_by_near_row(Ads, b, verbose=0, col_lim=0, tweak=False): ''' Derive equations by subtracting whole rows @@ -199,7 +206,8 @@ def derive_eq_by_near_row(Ads, b, verbose=0, col_lim=0, tweak=False): continue #for row_cmpi, row_cmp in enumerate(Ads): - for row_cmpi in range(max(0, row_refi - rowdelta), min(len(Ads), row_refi + rowdelta)): + for row_cmpi in range(max(0, row_refi - rowdelta), + min(len(Ads), row_refi + rowdelta)): if row_refi == row_cmpi or col_lim and len(row_cmp) > col_lim: continue row_cmp = Ads[row_cmpi] @@ -246,10 +254,13 @@ def derive_eq_by_near_row(Ads, b, verbose=0, col_lim=0, tweak=False): print(' done') #A_ub_ret = A_di2np(Ads2, cols=cols) - print('Derive row: %d => %d rows using %d lte, %d sc' % (len(b), len(b_ret), ltes, scs)) + print( + 'Derive row: %d => %d rows using %d lte, %d sc' % + (len(b), len(b_ret), ltes, scs)) assert len(Ads_ret) == len(b_ret) return Ads_ret, b_ret + def derive_eq_by_col(Ads, b_ub, verbose=0): ''' Derive equations by subtracting out all bounded constants (ie "known" columns) @@ -277,7 +288,6 @@ def derive_eq_by_col(Ads, b_ub, verbose=0): print(' done') #knowns_set = set(knowns.keys()) print('%d constrained' % len(knowns)) - ''' Now see what we can do Rows that are already constrained: eliminate @@ -322,6 +332,7 @@ def derive_eq_by_col(Ads, b_ub, verbose=0): print('Derive col: %d => %d rows' % (len(b_ub), len(b_ret))) return Ads_ret, b_ret + # keep derriving until solution is (probably) stable def massage_equations_old(Ads, b, verbose=False, derive_lim=3, corner=None): ''' @@ -357,7 +368,9 @@ def massage_equations_old(Ads, b, verbose=False, derive_lim=3, corner=None): debug("der_rows") # Run another simplify pass since new equations may have overlap with original Ads, b = simplify_rows(Ads, b, corner=corner) - print('Derive row %d / %d: %d => %d equations' % (di + 1, derive_lim, n_orig, len(b))) + print( + 'Derive row %d / %d: %d => %d equations' % + (di + 1, derive_lim, n_orig, len(b))) debug("der_rows simp") n_orig2 = len(b) @@ -366,19 +379,19 @@ def massage_equations_old(Ads, b, verbose=False, derive_lim=3, corner=None): debug("der_cols") # Run another simplify pass since new equations may have overlap with original Ads, b = simplify_rows(Ads, b, corner=corner) - print('Derive col %d / %d: %d => %d equations' % (di + 1, derive_lim, n_orig2, len(b))) + print( + 'Derive col %d / %d: %d => %d equations' % + (di + 1, derive_lim, n_orig2, len(b))) debug("der_cols simp") if n_orig == len(b): break - dend = len(b) print('') print('Derive net: %d => %d' % (dstart, dend)) print('') # Was experimentting to see how much the higher order columns really help - ''' cols_min_post = opts.get('cols_min_post', None) cols_max_post = opts.get('cols_max_post', None) @@ -393,6 +406,7 @@ def massage_equations_old(Ads, b, verbose=False, derive_lim=3, corner=None): debug("final (sorted)") return Ads, b + # iteratively increasing column limit until all columns are added def massage_equations_inc_col_lim(Ads, b, verbose=False, corner=None): ''' @@ -467,6 +481,7 @@ def massage_equations_inc_col_lim(Ads, b, verbose=False, corner=None): print('Massage final: %d => %d rows' % (dstart, dend)) return Ads, b + # only derive based on nearby equations # theory is they will be the best to diff def massage_equations_near(Ads, b, verbose=False, corner=None): @@ -532,4 +547,5 @@ def massage_equations_near(Ads, b, verbose=False, corner=None): print('Massage final: %d => %d rows' % (dstart, dend)) return Ads, b + massage_equations = massage_equations_inc_col_lim diff --git a/fuzzers/007-timing/timfuz_solve.py b/fuzzers/007-timing/timfuz_solve.py index 52a4c43e..4f6446ef 100644 --- a/fuzzers/007-timing/timfuz_solve.py +++ b/fuzzers/007-timing/timfuz_solve.py @@ -15,6 +15,7 @@ import datetime import os import time + def check_feasible(A_ub, b_ub): ''' Put large timing constants into the equations @@ -31,7 +32,6 @@ def check_feasible(A_ub, b_ub): cols = len(A_ub[0]) progress = max(1, rows / 100) - ''' Delays should be in order of ns, so a 10 ns delay should be way above what anything should be Series can have several hundred delay elements @@ -56,6 +56,7 @@ def check_feasible(A_ub, b_ub): this += A_ub[row][col] * xs[col] ret[row] = this return ret + b_res = my_mul(A_ub, xs) # Verify bound was respected @@ -64,10 +65,13 @@ def check_feasible(A_ub, b_ub): sys.stdout.write('.') sys.stdout.flush() if this_b >= this_b_ub or this_b > 0: - print('% 4d Want res % 10.1f <= % 10.1f <= 0' % (rowi, this_b, this_b_ub)) + print( + '% 4d Want res % 10.1f <= % 10.1f <= 0' % + (rowi, this_b, this_b_ub)) raise Exception("Bad ") print(' done') + def filter_bounds(Ads, b, bounds, corner): '''Given min variable delays, remove rows that won't constrain solution''' #assert len(bounds) > 0 @@ -76,11 +80,13 @@ def filter_bounds(Ads, b, bounds, corner): # Keep delays possibly larger than current bound def keep(row_b, est): return row_b > est + T_UNK = 0 elif 'min' in corner: # Keep delays possibly smaller than current bound def keep(row_b, est): return row_b < est + T_UNK = 1e9 else: assert 0 @@ -96,7 +102,18 @@ def filter_bounds(Ads, b, bounds, corner): ret_b.append(row_b) return ret_Ads, ret_b -def run(fns_in, corner, run_corner, sub_json=None, sub_csv=None, dedup=True, massage=False, outfn=None, verbose=False, **kwargs): + +def run( + fns_in, + corner, + run_corner, + sub_json=None, + sub_csv=None, + dedup=True, + massage=False, + outfn=None, + verbose=False, + **kwargs): print('Loading data') Ads, b = loadc_Ads_b(fns_in, corner, ico=True) @@ -120,7 +137,6 @@ def run(fns_in, corner, run_corner, sub_json=None, sub_csv=None, dedup=True, mas print('Sub: %u => %u instances' % (iold, instances(Ads))) else: names = index_names(Ads) - ''' Substitution .csv Special .csv containing one variable per line @@ -132,7 +148,9 @@ def run(fns_in, corner, run_corner, sub_json=None, sub_csv=None, dedup=True, mas assert len(bounds), 'Failed to load bounds' rows_old = len(Ads) Ads, b = filter_bounds(Ads, b, bounds, corner) - print('Filter bounds: %s => %s + %s rows' % (rows_old, len(Ads), len(Ads2))) + print( + 'Filter bounds: %s => %s + %s rows' % + (rows_old, len(Ads), len(Ads2))) Ads = Ads + Ads2 b = b + b2 assert len(Ads) or allow_zero_eqns() @@ -145,7 +163,6 @@ def run(fns_in, corner, run_corner, sub_json=None, sub_csv=None, dedup=True, mas #print #col_dist(A_ubd, 'final', names) print('b10', b[0:100]) - ''' Given: a >= 10 @@ -169,4 +186,11 @@ def run(fns_in, corner, run_corner, sub_json=None, sub_csv=None, dedup=True, mas print('Converting to numpy...') names, Anp = A_ds2np(Ads) - run_corner(Anp, np.asarray(b), names, corner, outfn=outfn, verbose=verbose, **kwargs) + run_corner( + Anp, + np.asarray(b), + names, + corner, + outfn=outfn, + verbose=verbose, + **kwargs) diff --git a/fuzzers/007-timing/timgrid/tile_txt2json.py b/fuzzers/007-timing/timgrid/tile_txt2json.py index b6e410ff..4342805d 100644 --- a/fuzzers/007-timing/timgrid/tile_txt2json.py +++ b/fuzzers/007-timing/timgrid/tile_txt2json.py @@ -6,6 +6,8 @@ import time import json SI_NONE = 0xFFFF + + def load_speed_json(f): j = json.load(f) # Index speed indexes to names @@ -16,6 +18,7 @@ def load_speed_json(f): speed_i2s[i] = k return j, speed_i2s + def gen_tiles(fnin, speed_i2s): for l in open(fnin): # lappend items pip $name $speed_index @@ -28,7 +31,7 @@ def gen_tiles(fnin, speed_i2s): pips = {} wires = {} for i in range(0, len(tuples), 3): - ttype, name, speed_index = tuples[i:i+3] + ttype, name, speed_index = tuples[i:i + 3] name_local = name.split('/')[1] { 'pip': pips, @@ -36,6 +39,7 @@ def gen_tiles(fnin, speed_i2s): }[ttype][name_local] = speed_i2s[int(speed_index)] yield (tile_type, tile_name, grid_x, grid_y, pips, wires) + def run(fnin, fnout, speed_json_fn, verbose=False): speedj, speed_i2s = load_speed_json(open(speed_json_fn, 'r')) @@ -46,23 +50,24 @@ def run(fnin, fnout, speed_json_fn, verbose=False): if tile_type not in tiles: tiles[tile_type] = this_dat else: - if tiles[tile_type] != this_dat: - print(tile_name, tile_type) - print(this_dat) - print(tiles[tile_type]) - assert 0 - + if tiles[tile_type] != this_dat: + print(tile_name, tile_type) + print(this_dat) + print(tiles[tile_type]) + assert 0 + j = {'tiles': tiles} - json.dump(j, open(fnout, 'w'), sort_keys=True, indent=4, separators=(',', ': ')) + json.dump( + j, open(fnout, 'w'), sort_keys=True, indent=4, separators=(',', ': ')) + def main(): import argparse - parser = argparse.ArgumentParser( - description= - 'Solve timing solution' - ) - parser.add_argument('--speed-json', default='../../speed/build/speed.json', + parser = argparse.ArgumentParser(description='Solve timing solution') + parser.add_argument( + '--speed-json', + default='../../speed/build/speed.json', help='Provides speed index to name translation') parser.add_argument('fnin', default=None, help='input tcl output .txt') parser.add_argument('fnout', default=None, help='output .json') @@ -70,5 +75,6 @@ def main(): run(args.fnin, args.fnout, speed_json_fn=args.speed_json, verbose=False) + if __name__ == '__main__': main() diff --git a/fuzzers/007-timing/timing_txt2csv.py b/fuzzers/007-timing/timing_txt2csv.py index 51f04f42..1a4891eb 100644 --- a/fuzzers/007-timing/timing_txt2csv.py +++ b/fuzzers/007-timing/timing_txt2csv.py @@ -14,9 +14,11 @@ SI_NONE = 0xFFFF PREFIX_W = 'WIRE_' PREFIX_P = 'PIP_' + #PREFIX_W = '' #PREFIX_P = '' + def parse_pip(s): # Entries like # CLK_BUFG_REBUF_X60Y117/CLK_BUFG_REBUF.CLK_BUFG_REBUF_R_CK_GCLK0_BOT<<->>CLK_BUFG_REBUF_R_CK_GCLK0_TOP @@ -28,22 +30,26 @@ def parse_pip(s): #return (site, type, pip_junction, pip) return site, instance, int(speed_index) + def parse_node(s): node, nwires = s.split(':') return node, int(nwires) + def parse_wire(s): # CLBLM_R_X3Y80/CLBLM_M_D6:952 wirestr, speed_index = s.split(':') site, instance = wirestr.split('/') return site, instance, int(speed_index) + # FIXME: these actually have a delay element # Probably need to put these back in def remove_virtual_pips(pips): return pips return filter(lambda pip: not re.match(r'CLBL[LM]_[LR]_', pip[0]), pips) + def load_timing3(f, name='file'): # src_bel dst_bel ico fast_max fast_min slow_max slow_min pips f.readline() @@ -66,25 +72,27 @@ def load_timing3(f, name='file'): pips = pips.split('|') nodes = nodes.split('|') wires = wires.split('|') - ret.append({ - 'net': net, - 'src_bel': src_bel, - 'dst_bel': dst_bel, - 'ico': int(ico), - # ps - 'fast_max': int(fast_max), - 'fast_min': int(fast_min), - 'slow_max': int(slow_max), - 'slow_min': int(slow_min), - 'pips': remove_virtual_pips([parse_pip(pip) for pip in pips]), - 'nodes': [parse_node(node) for node in nodes], - 'wires': [parse_wire(wire) for wire in wires], - 'line': l, + ret.append( + { + 'net': net, + 'src_bel': src_bel, + 'dst_bel': dst_bel, + 'ico': int(ico), + # ps + 'fast_max': int(fast_max), + 'fast_min': int(fast_min), + 'slow_max': int(slow_max), + 'slow_min': int(slow_min), + 'pips': remove_virtual_pips([parse_pip(pip) for pip in pips]), + 'nodes': [parse_node(node) for node in nodes], + 'wires': [parse_wire(wire) for wire in wires], + 'line': l, }) print(' load %s: %d bad, %d good' % (name, bads, len(ret))) #assert 0 return ret + def load_speed_json(f): j = json.load(f) # Index speed indexes to names @@ -95,6 +103,7 @@ def load_speed_json(f): speed_i2s[i] = k return j, speed_i2s + # Verify the nodes and wires really do line up def vals2Adi_check(vals, names): print('Checking') @@ -106,12 +115,12 @@ def vals2Adi_check(vals, names): print('Done') assert 0 -def vals2Adi(vals, speed_i2s, - name_tr={}, name_drop=[], - verbose=False): + +def vals2Adi(vals, speed_i2s, name_tr={}, name_drop=[], verbose=False): def pip2speed(pip): - _site, _name, speed_index = pip + _site, _name, speed_index = pip return PREFIX_P + speed_i2s[speed_index] + def wire2speed(wire): _site, _name, speed_index = wire return PREFIX_W + speed_i2s[speed_index] @@ -119,7 +128,8 @@ def vals2Adi(vals, speed_i2s, # Want this ordered names = OrderedDict() - print('Creating matrix w/ tr: %d, drop: %d' % (len(name_tr), len(name_drop))) + print( + 'Creating matrix w/ tr: %d, drop: %d' % (len(name_tr), len(name_drop))) # Take sites out entirely using handy "interconnect only" option #vals = filter(lambda x: str(x).find('SLICE') >= 0, vals) @@ -171,6 +181,7 @@ def vals2Adi(vals, speed_i2s, print('Creating delay element matrix w/ %d names' % len(names)) Adi = [None for _i in range(len(vals))] for vali, val in enumerate(vals): + def add_name(name): if name in name_drop: return @@ -192,12 +203,14 @@ def vals2Adi(vals, speed_i2s, return Adi, names + # TODO: load directly as Ads # remove names_tr, names_drop def vals2Ads(vals, speed_i2s, verbose=False): Adi, names = vals2Adi(vals, speed_i2s, verbose=False) return A_di2ds(Adi, names) + def load_Ads(speed_json_f, f_ins): print('Loading data') @@ -211,12 +224,15 @@ def load_Ads(speed_json_f, f_ins): Ads = vals2Ads(vals, speed_i2s) def mkb(val): - return (val['fast_max'], val['fast_min'], val['slow_max'], val['slow_min']) + return ( + val['fast_max'], val['fast_min'], val['slow_max'], val['slow_min']) + b = [mkb(val) for val in vals] ico = [val['ico'] for val in vals] return Ads, b, ico + def run(speed_json_f, fout, f_ins, verbose=0, corner=None): Ads, bs, ico = load_Ads(speed_json_f, f_ins) @@ -229,6 +245,7 @@ def run(speed_json_f, fout, f_ins, verbose=0, corner=None): items.append('%u %s' % (v, k)) fout.write(','.join(items) + '\n') + def main(): import argparse @@ -238,14 +255,14 @@ def main(): ) parser.add_argument('--verbose', type=int, help='') - parser.add_argument('--auto-name', action='store_true', help='timing3.txt => timing3.csv') - parser.add_argument('--speed-json', default='build_speed/speed.json', + parser.add_argument( + '--auto-name', action='store_true', help='timing3.txt => timing3.csv') + parser.add_argument( + '--speed-json', + default='build_speed/speed.json', help='Provides speed index to name translation') parser.add_argument('--out', default=None, help='Output csv') - parser.add_argument( - 'fns_in', - nargs='*', - help='timing3.txt input files') + parser.add_argument('fns_in', nargs='*', help='timing3.txt input files') args = parser.parse_args() bench = Benchmark() @@ -265,8 +282,12 @@ def main(): if not fns_in: fns_in = glob.glob('specimen_*/timing3.txt') - run(speed_json_f=open(args.speed_json, 'r'), fout=fout, - f_ins=[(open(fn_in, 'r'), fn_in) for fn_in in fns_in], verbose=args.verbose) + run( + speed_json_f=open(args.speed_json, 'r'), + fout=fout, + f_ins=[(open(fn_in, 'r'), fn_in) for fn_in in fns_in], + verbose=args.verbose) + if __name__ == '__main__': main() diff --git a/fuzzers/007-timing/wire_unique.py b/fuzzers/007-timing/wire_unique.py index 391c2e0c..efae6e26 100644 --- a/fuzzers/007-timing/wire_unique.py +++ b/fuzzers/007-timing/wire_unique.py @@ -4,6 +4,7 @@ Verifies that node timing info is unique import re + def gen_wires(fin): for l in fin: lj = {} @@ -12,7 +13,8 @@ def gen_wires(fin): name, value = kvs.split(':') lj[name] = value - tile_type, xy, wname = re.match(r'(.*)_(X[0-9]*Y[0-9]*)/(.*)', lj['NAME']).groups() + tile_type, xy, wname = re.match( + r'(.*)_(X[0-9]*Y[0-9]*)/(.*)', lj['NAME']).groups() lj['tile_type'] = tile_type lj['xy'] = xy lj['wname'] = wname @@ -21,10 +23,12 @@ def gen_wires(fin): yield lj + def run(node_fin, verbose=0): refnodes = {} nodei = 0 for nodei, anode in enumerate(gen_wires(node_fin)): + def getk(anode): return anode['wname'] #return (anode['tile_type'], anode['wname']) @@ -39,32 +43,34 @@ def run(node_fin, verbose=0): refnodes[getk(anode)] = anode continue k_invariant = ( - 'COST_CODE', - 'IS_INPUT_PIN', - 'IS_OUTPUT_PIN', - 'IS_PART_OF_BUS', - 'NUM_INTERSECTS', - 'NUM_TILE_PORTS', - 'SPEED_INDEX', - 'TILE_PATTERN_OFFSET', - ) + 'COST_CODE', + 'IS_INPUT_PIN', + 'IS_OUTPUT_PIN', + 'IS_PART_OF_BUS', + 'NUM_INTERSECTS', + 'NUM_TILE_PORTS', + 'SPEED_INDEX', + 'TILE_PATTERN_OFFSET', + ) k_varies = ( - 'ID_IN_TILE_TYPE', - 'IS_CONNECTED', - 'NUM_DOWNHILL_PIPS', - 'NUM_PIPS', - 'NUM_UPHILL_PIPS', - 'TILE_NAME', - ) + 'ID_IN_TILE_TYPE', + 'IS_CONNECTED', + 'NUM_DOWNHILL_PIPS', + 'NUM_PIPS', + 'NUM_UPHILL_PIPS', + 'TILE_NAME', + ) # Verify equivilence for k in k_invariant: if k in refnode and k in anode: + def fail(): print 'Mismatch on %s' % k print refnode[k], anode[k] print refnode['l'] print anode['l'] #assert 0 + if refnode[k] != anode[k]: print fail() @@ -74,19 +80,14 @@ def run(node_fin, verbose=0): elif k not in k_varies: assert 0 + if __name__ == '__main__': import argparse - parser = argparse.ArgumentParser( - description= - 'Timing fuzzer' - ) + parser = argparse.ArgumentParser(description='Timing fuzzer') parser.add_argument('--verbose', type=int, help='') parser.add_argument( - 'node_fn_in', - default='/dev/stdin', - nargs='?', - help='Input file') + 'node_fn_in', default='/dev/stdin', nargs='?', help='Input file') args = parser.parse_args() run(open(args.node_fn_in, 'r'), verbose=args.verbose) From 3b686de46fd3936b956c91355374795ab4f6abf9 Mon Sep 17 00:00:00 2001 From: John McMaster Date: Mon, 17 Sep 2018 11:28:03 -0700 Subject: [PATCH 49/55] timfuz: move non-fuzzer experiments to experiments dir Signed-off-by: John McMaster --- {fuzzers/007-timing => experiments/timfuz}/node_unique.py | 8 +++----- {fuzzers/007-timing => experiments/timfuz}/pip_unique.py | 8 +++----- {fuzzers/007-timing => experiments/timfuz}/wire_unique.py | 8 +++----- 3 files changed, 9 insertions(+), 15 deletions(-) rename {fuzzers/007-timing => experiments/timfuz}/node_unique.py (95%) rename {fuzzers/007-timing => experiments/timfuz}/pip_unique.py (94%) rename {fuzzers/007-timing => experiments/timfuz}/wire_unique.py (94%) diff --git a/fuzzers/007-timing/node_unique.py b/experiments/timfuz/node_unique.py similarity index 95% rename from fuzzers/007-timing/node_unique.py rename to experiments/timfuz/node_unique.py index 83b054b9..4a0630e7 100644 --- a/fuzzers/007-timing/node_unique.py +++ b/experiments/timfuz/node_unique.py @@ -1,7 +1,3 @@ -''' -Verifies that node timing info is unique -''' - import re @@ -95,7 +91,9 @@ def run(node_fin, verbose=0): if __name__ == '__main__': import argparse - parser = argparse.ArgumentParser(description='Timing fuzzer') + parser = argparse.ArgumentParser( + description= + 'Determines which info is consistent across nodes with the same name') parser.add_argument('--verbose', type=int, help='') parser.add_argument( diff --git a/fuzzers/007-timing/pip_unique.py b/experiments/timfuz/pip_unique.py similarity index 94% rename from fuzzers/007-timing/pip_unique.py rename to experiments/timfuz/pip_unique.py index b38c9f4e..f49cb1ca 100644 --- a/fuzzers/007-timing/pip_unique.py +++ b/experiments/timfuz/pip_unique.py @@ -1,7 +1,3 @@ -''' -Verifies that node timing info is unique -''' - import re @@ -79,7 +75,9 @@ def run(node_fin, verbose=0): if __name__ == '__main__': import argparse - parser = argparse.ArgumentParser(description='Timing fuzzer') + parser = argparse.ArgumentParser( + description= + 'Determines which info is consistent across PIPs with the same name') parser.add_argument('--verbose', type=int, help='') parser.add_argument( diff --git a/fuzzers/007-timing/wire_unique.py b/experiments/timfuz/wire_unique.py similarity index 94% rename from fuzzers/007-timing/wire_unique.py rename to experiments/timfuz/wire_unique.py index efae6e26..c7b57272 100644 --- a/fuzzers/007-timing/wire_unique.py +++ b/experiments/timfuz/wire_unique.py @@ -1,7 +1,3 @@ -''' -Verifies that node timing info is unique -''' - import re @@ -84,7 +80,9 @@ def run(node_fin, verbose=0): if __name__ == '__main__': import argparse - parser = argparse.ArgumentParser(description='Timing fuzzer') + parser = argparse.ArgumentParser( + description= + 'Determines which info is consistent across wires with the same name') parser.add_argument('--verbose', type=int, help='') parser.add_argument( From bf5b435a69852af725e7a9cdbd2ad8a42296d18b Mon Sep 17 00:00:00 2001 From: John McMaster Date: Mon, 17 Sep 2018 14:23:00 -0700 Subject: [PATCH 50/55] timfuz: cleanup help Signed-off-by: John McMaster --- .../timfuz}/perf_test.py | 2 +- fuzzers/007-timing/checksub.py | 4 +-- fuzzers/007-timing/corner_csv.py | 2 +- fuzzers/007-timing/csv_flat2group.py | 5 +-- fuzzers/007-timing/csv_group2flat.py | 35 +++++++++++-------- fuzzers/007-timing/projects/corner.mk | 2 +- fuzzers/007-timing/rref.py | 30 ++++------------ fuzzers/007-timing/solve_leastsq.py | 9 +++-- fuzzers/007-timing/solve_linprog.py | 6 ++-- fuzzers/007-timing/sub2csv.py | 2 +- fuzzers/007-timing/tile_annotate.py | 13 +++---- fuzzers/007-timing/timing_txt2csv.py | 7 ++-- 12 files changed, 55 insertions(+), 62 deletions(-) rename {fuzzers/007-timing => experiments/timfuz}/perf_test.py (97%) diff --git a/fuzzers/007-timing/perf_test.py b/experiments/timfuz/perf_test.py similarity index 97% rename from fuzzers/007-timing/perf_test.py rename to experiments/timfuz/perf_test.py index cb400809..77d0aefe 100644 --- a/fuzzers/007-timing/perf_test.py +++ b/experiments/timfuz/perf_test.py @@ -119,7 +119,7 @@ def run( def main(): import argparse - parser = argparse.ArgumentParser(description='Timing fuzzer') + parser = argparse.ArgumentParser(description='Matrix solving performance tests') parser.add_argument('--verbose', action='store_true', help='') parser.add_argument('--sparse', action='store_true', help='') diff --git a/fuzzers/007-timing/checksub.py b/fuzzers/007-timing/checksub.py index 7a307e14..977d5b6f 100644 --- a/fuzzers/007-timing/checksub.py +++ b/fuzzers/007-timing/checksub.py @@ -108,11 +108,11 @@ def main(): import argparse parser = argparse.ArgumentParser( - description='Check sub.json solution feasibility') + description='Check if sub.json would make a linear equation solvable') parser.add_argument('--verbose', action='store_true', help='') parser.add_argument('--sub-json', help='') - parser.add_argument('fns_in', nargs='*', help='timing3.csv input files') + parser.add_argument('fns_in', nargs='+', help='timing3.csv input files') args = parser.parse_args() # Store options in dict to ease passing through functions bench = Benchmark() diff --git a/fuzzers/007-timing/corner_csv.py b/fuzzers/007-timing/corner_csv.py index 429e1e55..a4ccbf84 100644 --- a/fuzzers/007-timing/corner_csv.py +++ b/fuzzers/007-timing/corner_csv.py @@ -31,7 +31,7 @@ def main(): '--auto-name', action='store_true', help='timing3.csv => timing3c.csv') parser.add_argument('--out', default=None, help='Output csv') parser.add_argument('--corner', help='Output csv') - parser.add_argument('fns_in', nargs='*', help='timing3.csv input files') + parser.add_argument('fns_in', nargs='+', help='timing3.csv input files') args = parser.parse_args() bench = Benchmark() diff --git a/fuzzers/007-timing/csv_flat2group.py b/fuzzers/007-timing/csv_flat2group.py index 4cde0e61..4cdc04fd 100644 --- a/fuzzers/007-timing/csv_flat2group.py +++ b/fuzzers/007-timing/csv_flat2group.py @@ -34,7 +34,8 @@ def run(fns_in, fnout, sub_json, strict=False, verbose=False): def main(): import argparse - parser = argparse.ArgumentParser(description='Solve timing solution') + parser = argparse.ArgumentParser( + description='Substitute .csv to group correlated symbols') parser.add_argument('--verbose', action='store_true', help='') parser.add_argument('--strict', action='store_true', help='') @@ -44,7 +45,7 @@ def main(): required=True, help='Group substitutions to make fully ranked') parser.add_argument('--out', help='Output sub.json substitution result') - parser.add_argument('fns_in', nargs='*', help='timing3.txt input files') + parser.add_argument('fns_in', nargs='+', help='timing3.csv input files') args = parser.parse_args() # Store options in dict to ease passing through functions bench = Benchmark() diff --git a/fuzzers/007-timing/csv_group2flat.py b/fuzzers/007-timing/csv_group2flat.py index 438be40e..45aacdb1 100644 --- a/fuzzers/007-timing/csv_group2flat.py +++ b/fuzzers/007-timing/csv_group2flat.py @@ -52,37 +52,44 @@ def gen_flat(fnin, sub_json, corner=None): yield zero, zero_row -def run(fnin, fnout, sub_json, corner=None, sort=False, verbose=False): +def run(fns_in, fnout, sub_json, corner=None, sort=False, verbose=False): + ''' if sort: sortf = sorted else: sortf = lambda x: x + ''' with open(fnout, 'w') as fout: fout.write('ico,fast_max fast_min slow_max slow_min,rows...\n') - #for name, corners in sortf(gen_flat(fnin, sub_json)): - for name, corners in gen_flat(fnin, sub_json, corner=corner): - row_ico = 1 - items = [str(row_ico), corners2csv(corners)] - items.append('%u %s' % (1, name)) - fout.write(','.join(items) + '\n') + for fnin in fns_in: + #for name, corners in sortf(gen_flat(fnin, sub_json)): + for name, corners in gen_flat(fnin, sub_json, corner=corner): + row_ico = 1 + items = [str(row_ico), corners2csv(corners)] + items.append('%u %s' % (1, name)) + fout.write(','.join(items) + '\n') def main(): import argparse - parser = argparse.ArgumentParser(description='Solve timing solution') + parser = argparse.ArgumentParser( + description='Substitute .csv to ungroup correlated symbols') parser.add_argument('--verbose', action='store_true', help='') - parser.add_argument('--sort', action='store_true', help='') + #parser.add_argument('--sort', action='store_true', help='') parser.add_argument('--sub-csv', help='') parser.add_argument( '--sub-json', required=True, help='Group substitutions to make fully ranked') parser.add_argument('--corner', default=None, help='') - parser.add_argument('fnin', default=None, help='input timing delay .csv') - parser.add_argument('fnout', default=None, help='output timing delay .csv') + parser.add_argument('--out', default=None, help='output timing delay .csv') + parser.add_argument( + 'fns_in', + default=None, + help='input timing delay .csv (NOTE: must be single column)') args = parser.parse_args() # Store options in dict to ease passing through functions bench = Benchmark() @@ -91,10 +98,10 @@ def main(): try: run( - args.fnin, - args.fnout, + args.fns_in, + args.out, sub_json=sub_json, - sort=args.sort, + #sort=args.sort, verbose=args.verbose, corner=args.corner) finally: diff --git a/fuzzers/007-timing/projects/corner.mk b/fuzzers/007-timing/projects/corner.mk index aaa3cbf2..3ed37050 100644 --- a/fuzzers/007-timing/projects/corner.mk +++ b/fuzzers/007-timing/projects/corner.mk @@ -37,7 +37,7 @@ build/$(CORNER)/linprog.csv: build/$(CORNER)/leastsq.csv build/grouped.csv build/$(CORNER)/flat.csv: build/$(CORNER)/linprog.csv # Take separated variables and back-annotate them to the original timing variables - python3 $(TIMFUZ_DIR)/csv_group2flat.py --sub-json build/sub.json --corner $(CORNER) --sort build/$(CORNER)/linprog.csv build/$(CORNER)/flat.csv.tmp + python3 $(TIMFUZ_DIR)/csv_group2flat.py --sub-json build/sub.json --corner $(CORNER) --sort --out build/$(CORNER)/flat.csv.tmp build/$(CORNER)/linprog.csv mv build/$(CORNER)/flat.csv.tmp build/$(CORNER)/flat.csv build/$(CORNER)/tilea.json: build/$(CORNER)/flat.csv diff --git a/fuzzers/007-timing/rref.py b/fuzzers/007-timing/rref.py index 97b4efa0..6db813b4 100644 --- a/fuzzers/007-timing/rref.py +++ b/fuzzers/007-timing/rref.py @@ -14,28 +14,12 @@ from collections import OrderedDict from fractions import Fraction -def fracr(r): - DELTA = 0.0001 - - for i, x in enumerate(r): - if type(x) is float: - xi = int(x) - assert abs(xi - x) < DELTA - r[i] = xi - return [Fraction(x) for x in r] - - -def fracm(m): - return [fracr(r) for r in m] - - def fracr_quick(r): return [Fraction(numerator=int(x), denominator=1) for x in r] -# the way I'm doing thing they should all be even integers -# hmm this was only slightly faster def fracm_quick(m): + '''Convert integer matrix to Fraction matrix''' t = type(m[0][0]) print('fracm_quick type: %s' % t) return [fracr_quick(r) for r in m] @@ -149,7 +133,6 @@ def state_rref(state, verbose=False): #msym = sympy.MutableSparseMatrix(mfrac) msym = sympy.Matrix(mfrac) # internal encoding has significnat performance implications - #print(type(msym[3])) #assert type(msym[0]) is sympy.Integer if verbose: @@ -221,7 +204,10 @@ def run(fnout, fn_ins, simplify=False, corner=None, verbose=0): def main(): import argparse - parser = argparse.ArgumentParser(description='Timing fuzzer') + parser = argparse.ArgumentParser( + description= + 'Compute reduced row echelon (RREF) to form sub.json (variable groups)' + ) parser.add_argument('--verbose', action='store_true', help='') parser.add_argument('--simplify', action='store_true', help='') @@ -231,14 +217,10 @@ def main(): default='build_speed/speed.json', help='Provides speed index to name translation') parser.add_argument('--out', help='Output sub.json substitution result') - parser.add_argument('fns_in', nargs='+', help='timing3.txt input files') + parser.add_argument('fns_in', nargs='+', help='timing3.csv input files') args = parser.parse_args() bench = Benchmark() - fns_in = args.fns_in - if not fns_in: - fns_in = glob.glob('specimen_*/timing3.csv') - try: run( fnout=args.out, diff --git a/fuzzers/007-timing/solve_leastsq.py b/fuzzers/007-timing/solve_leastsq.py index 1a1b55e6..5bd1f7b0 100644 --- a/fuzzers/007-timing/solve_leastsq.py +++ b/fuzzers/007-timing/solve_leastsq.py @@ -156,13 +156,16 @@ def main(): 'Solve timing solution using least squares objective function') parser.add_argument('--verbose', action='store_true', help='') - parser.add_argument('--massage', action='store_true', help='') + parser.add_argument( + '--massage', + action='store_true', + help='Derive additional constraints to improve solution') parser.add_argument( '--sub-json', help='Group substitutions to make fully ranked') - parser.add_argument('--corner', default="slow_max", help='') + parser.add_argument('--corner', required=True, default="slow_max", help='') parser.add_argument( '--out', default=None, help='output timing delay .json') - parser.add_argument('fns_in', nargs='+', help='timing3.csv input files') + parser.add_argument('fns_in', nargs='+', 'timing3.csv input files') args = parser.parse_args() # Store options in dict to ease passing through functions bench = Benchmark() diff --git a/fuzzers/007-timing/solve_linprog.py b/fuzzers/007-timing/solve_linprog.py index 29e4d826..28f181a6 100644 --- a/fuzzers/007-timing/solve_linprog.py +++ b/fuzzers/007-timing/solve_linprog.py @@ -195,10 +195,10 @@ def main(): parser.add_argument('--sub-csv', help='') parser.add_argument( '--sub-json', help='Group substitutions to make fully ranked') - parser.add_argument('--corner', default=None, required=True, help='') + parser.add_argument('--corner', required=True, default="slow_max", help='') parser.add_argument( '--out', default=None, help='output timing delay .json') - parser.add_argument('fns_in', nargs='*', help='timing3.csv input files') + parser.add_argument('fns_in', nargs='+', help='timing3.csv input files') args = parser.parse_args() # Store options in dict to ease passing through functions bench = Benchmark() @@ -216,7 +216,7 @@ def main(): run_corner=run_corner, sub_json=sub_json, sub_csv=args.sub_csv, - fns_in=fns_in, + fn_in=fn_in, corner=args.corner, massage=args.massage, outfn=args.out, diff --git a/fuzzers/007-timing/sub2csv.py b/fuzzers/007-timing/sub2csv.py index 8567d5e3..dfb65227 100644 --- a/fuzzers/007-timing/sub2csv.py +++ b/fuzzers/007-timing/sub2csv.py @@ -91,7 +91,7 @@ def main(): parser.add_argument('--verbose', action='store_true', help='') parser.add_argument('--out', help='Output csv') - parser.add_argument('fns_in', nargs='*', help='sub.json input files') + parser.add_argument('fns_in', nargs='+', help='sub.json input files') args = parser.parse_args() bench = Benchmark() diff --git a/fuzzers/007-timing/tile_annotate.py b/fuzzers/007-timing/tile_annotate.py index 58b89235..7e87f2fa 100644 --- a/fuzzers/007-timing/tile_annotate.py +++ b/fuzzers/007-timing/tile_annotate.py @@ -9,16 +9,10 @@ import time import json -# corner wokraround -def quad(x): - return [x for _ in range(4)] - - def run(fnin, fnout, tile_json_fn, verbose=False): # modified in place tilej = json.load(open(tile_json_fn, 'r')) - # FIXME: all corners Ads, bs = loadc_Ads_bs([fnin], ico=True) bounds = Ads2bounds(Ads, bs) @@ -71,9 +65,12 @@ def run(fnin, fnout, tile_json_fn, verbose=False): def main(): import argparse - parser = argparse.ArgumentParser(description='') + parser = argparse.ArgumentParser( + description= + 'Substitute timgrid timing model names for real timing values') parser.add_argument('--tile-json', default='tiles.json', help='') - parser.add_argument('fnin', default=None, help='Flattened timing csv') + parser.add_argument( + 'fnin', default=None, help='Input flattened timing csv (flat.json)') parser.add_argument('fnout', default=None, help='output tile .json') args = parser.parse_args() diff --git a/fuzzers/007-timing/timing_txt2csv.py b/fuzzers/007-timing/timing_txt2csv.py index 1a4891eb..ebdda26d 100644 --- a/fuzzers/007-timing/timing_txt2csv.py +++ b/fuzzers/007-timing/timing_txt2csv.py @@ -255,14 +255,15 @@ def main(): ) parser.add_argument('--verbose', type=int, help='') + # made a bulk conversion easier...keep? parser.add_argument( '--auto-name', action='store_true', help='timing3.txt => timing3.csv') parser.add_argument( '--speed-json', default='build_speed/speed.json', help='Provides speed index to name translation') - parser.add_argument('--out', default=None, help='Output csv') - parser.add_argument('fns_in', nargs='*', help='timing3.txt input files') + parser.add_argument('--out', default=None, help='Output timing3.csv file') + parser.add_argument('fns_in', nargs='+', help='Input timing3.txt files') args = parser.parse_args() bench = Benchmark() @@ -274,6 +275,8 @@ def main(): fnout = fnin.replace('.txt', '.csv') assert fnout != fnin, 'Expect .txt in' else: + # practically there are too many stray prints to make this work as expected + assert 0, 'File name required' fnout = '/dev/stdout' print("Writing to %s" % fnout) fout = open(fnout, 'w') From 43ccabe8152d3bbac1db5c83c69cadbf01edc44e Mon Sep 17 00:00:00 2001 From: John McMaster Date: Mon, 17 Sep 2018 14:26:03 -0700 Subject: [PATCH 51/55] timfuz: massage cleanup Signed-off-by: John McMaster --- fuzzers/007-timing/timfuz_massage.py | 149 +-------------------------- 1 file changed, 5 insertions(+), 144 deletions(-) diff --git a/fuzzers/007-timing/timfuz_massage.py b/fuzzers/007-timing/timfuz_massage.py index 4be04737..4871e0f4 100644 --- a/fuzzers/007-timing/timfuz_massage.py +++ b/fuzzers/007-timing/timfuz_massage.py @@ -333,83 +333,12 @@ def derive_eq_by_col(Ads, b_ub, verbose=0): return Ads_ret, b_ret -# keep derriving until solution is (probably) stable -def massage_equations_old(Ads, b, verbose=False, derive_lim=3, corner=None): - ''' - Equation pipeline - Some operations may generate new equations - Simplify after these to avoid unnecessary overhead on redundant constraints - Similarly some operations may eliminate equations, potentially eliminating a column (ie variable) - Remove these columns as necessary to speed up solving - ''' - - def debug(what): - if verbose: - print('') - print_eqns(Ads, b, verbose=verbose, label=what, lim=20) - col_dist(Ads, what) - check_feasible_d(Ads, b) - - # Try to (intelligently) subtract equations to generate additional constraints - # This helps avoid putting all delay in a single shared variable - dstart = len(b) - - # Original simple - for di in range(derive_lim): - print - assert len(Ads) == len(b) - n_orig = len(b) - - # Meat of the operation - # Focus on easy equations for first pass to get a lot of easy derrivations - col_lim = 12 if di == 0 else None - #col_lim = None - Ads, b = derive_eq_by_row(Ads, b, col_lim=col_lim) - debug("der_rows") - # Run another simplify pass since new equations may have overlap with original - Ads, b = simplify_rows(Ads, b, corner=corner) - print( - 'Derive row %d / %d: %d => %d equations' % - (di + 1, derive_lim, n_orig, len(b))) - debug("der_rows simp") - - n_orig2 = len(b) - # Meat of the operation - Ads, b = derive_eq_by_col(Ads, b) - debug("der_cols") - # Run another simplify pass since new equations may have overlap with original - Ads, b = simplify_rows(Ads, b, corner=corner) - print( - 'Derive col %d / %d: %d => %d equations' % - (di + 1, derive_lim, n_orig2, len(b))) - debug("der_cols simp") - - if n_orig == len(b): - break - - dend = len(b) - print('') - print('Derive net: %d => %d' % (dstart, dend)) - print('') - # Was experimentting to see how much the higher order columns really help - ''' - cols_min_post = opts.get('cols_min_post', None) - cols_max_post = opts.get('cols_max_post', None) - # Filter input based on number of columns - if cols_min_post or cols_max_post: - Ads, b = filter_ncols(Ads=Ads, b=b, cols_min=cols_min_post, cols_max=cols_max_post) - debug("filter_ncals final") - ''' - - # Helps debug readability - Ads, b = sort_equations(Ads, b) - debug("final (sorted)") - return Ads, b - - # iteratively increasing column limit until all columns are added -def massage_equations_inc_col_lim(Ads, b, verbose=False, corner=None): +def massage_equations(Ads, b, verbose=False, corner=None): ''' + Subtract equations from each other to generate additional constraints + Helps provide additional guidance to solver for realistic delays + Equation pipeline Some operations may generate new equations Simplify after these to avoid unnecessary overhead on redundant constraints @@ -463,6 +392,7 @@ def massage_equations_inc_col_lim(Ads, b, verbose=False, corner=None): col_dist(Ads, 'derive done iter %d, lim %d' % (di, col_lim), lim=12) rows = len(Ads) + # possible that a new equation was generated and taken away, but close enough if n_orig == len(b) and col_lim >= cols: break col_lim += col_lim / 5 @@ -480,72 +410,3 @@ def massage_equations_inc_col_lim(Ads, b, verbose=False, corner=None): print('') print('Massage final: %d => %d rows' % (dstart, dend)) return Ads, b - - -# only derive based on nearby equations -# theory is they will be the best to diff -def massage_equations_near(Ads, b, verbose=False, corner=None): - ''' - Equation pipeline - Some operations may generate new equations - Simplify after these to avoid unnecessary overhead on redundant constraints - Similarly some operations may eliminate equations, potentially eliminating a column (ie variable) - Remove these columns as necessary to speed up solving - ''' - - def debug(what): - if verbose: - print('') - print_eqns(Ads, b, verbose=verbose, label=what, lim=20) - col_dist(Ads, what) - check_feasible_d(Ads, b) - - # Try to (intelligently) subtract equations to generate additional constraints - # This helps avoid putting all delay in a single shared variable - dstart = len(b) - cols = len(index_names(Ads)) - - # Each iteration one more column is allowed until all columns are included - # (and the system is stable) - print - n_orig = len(b) - - # Meat of the operation - Ads, b = derive_eq_by_near_row(Ads, b, tweak=True) - debug("der_rows") - # Run another simplify pass since new equations may have overlap with original - Ads, b = simplify_rows(Ads, b, corner=corner) - print('Derive row: %d => %d equations' % (n_orig, len(b))) - debug("der_rows simp") - - n_orig2 = len(b) - # Meat of the operation - Ads, b = derive_eq_by_col(Ads, b) - debug("der_cols") - # Run another simplify pass since new equations may have overlap with original - Ads, b = simplify_rows(Ads, b, corner=corner) - print('Derive col: %d => %d equations' % (n_orig2, len(b))) - debug("der_cols simp") - - # Doesn't help computation, but helps debugging - Ads, b = sort_equations(Ads, b) - debug("loop done") - col_dist(Ads, 'derive done', lim=12) - - rows = len(Ads) - - dend = len(b) - print('') - print('Derive net: %d => %d' % (dstart, dend)) - print('') - # Was experimentting to see how much the higher order columns really help - - # Helps debug readability - Ads, b = sort_equations(Ads, b) - debug("final (sorted)") - print('') - print('Massage final: %d => %d rows' % (dstart, dend)) - return Ads, b - - -massage_equations = massage_equations_inc_col_lim From d5c9f1d8578cc09b1c64ccc248f20e4df8086966 Mon Sep 17 00:00:00 2001 From: John McMaster Date: Mon, 17 Sep 2018 14:39:58 -0700 Subject: [PATCH 52/55] timfuz: misc cleanup Signed-off-by: John McMaster --- fuzzers/007-timing/checksub.py | 9 ++++----- fuzzers/007-timing/csv_flat2group.py | 6 +++++- fuzzers/007-timing/csv_group2flat.py | 13 ------------- fuzzers/007-timing/rref.py | 13 +++++++------ fuzzers/007-timing/solve_leastsq.py | 7 +------ fuzzers/007-timing/solve_linprog.py | 6 +++--- fuzzers/007-timing/sub2csv.py | 20 +------------------- fuzzers/007-timing/timfuz_massage.py | 10 ++++++++++ fuzzers/007-timing/timfuz_solve.py | 24 +----------------------- fuzzers/007-timing/timing_txt2csv.py | 5 ++--- 10 files changed, 34 insertions(+), 79 deletions(-) diff --git a/fuzzers/007-timing/checksub.py b/fuzzers/007-timing/checksub.py index 977d5b6f..5387eaf1 100644 --- a/fuzzers/007-timing/checksub.py +++ b/fuzzers/007-timing/checksub.py @@ -58,10 +58,9 @@ def pds(Ads, s): def run(fns_in, sub_json=None, verbose=False): - # arbitrary...data is thrown away - corner = "slow_max" - - Ads, b = loadc_Ads_b(fns_in, corner, ico=True) + assert len(fn_ins) > 0 + # arbitrary corner...data is thrown away + Ads, b = loadc_Ads_b(fns_in, "slow_max", ico=True) if sub_json: print('Subbing JSON %u rows' % len(Ads)) @@ -112,7 +111,7 @@ def main(): parser.add_argument('--verbose', action='store_true', help='') parser.add_argument('--sub-json', help='') - parser.add_argument('fns_in', nargs='+', help='timing3.csv input files') + parser.add_argument('fns_in', nargs='*', help='timing3.csv input files') args = parser.parse_args() # Store options in dict to ease passing through functions bench = Benchmark() diff --git a/fuzzers/007-timing/csv_flat2group.py b/fuzzers/007-timing/csv_flat2group.py index 4cdc04fd..a1defef2 100644 --- a/fuzzers/007-timing/csv_flat2group.py +++ b/fuzzers/007-timing/csv_flat2group.py @@ -50,11 +50,15 @@ def main(): # Store options in dict to ease passing through functions bench = Benchmark() + fns_in = args.fns_in + if not fns_in: + fns_in = glob.glob('specimen_*/timing3.csv') + sub_json = load_sub(args.sub_json) try: run( - args.fns_in, + fns_in, args.out, sub_json=sub_json, strict=args.strict, diff --git a/fuzzers/007-timing/csv_group2flat.py b/fuzzers/007-timing/csv_group2flat.py index 45aacdb1..bba0cc5b 100644 --- a/fuzzers/007-timing/csv_group2flat.py +++ b/fuzzers/007-timing/csv_group2flat.py @@ -1,19 +1,6 @@ #!/usr/bin/env python3 -# https://docs.scipy.org/doc/scipy-0.18.1/reference/generated/scipy.optimize.linprog.html -from scipy.optimize import linprog from timfuz import Benchmark, loadc_Ads_bs, load_sub, Ads2bounds, corners2csv, corner_s2i -from timfuz_massage import massage_equations -import numpy as np -import glob -import json -import math -from collections import OrderedDict -from fractions import Fraction -import sys -import datetime -import os -import time def gen_flat(fnin, sub_json, corner=None): diff --git a/fuzzers/007-timing/rref.py b/fuzzers/007-timing/rref.py index 6db813b4..e160768c 100644 --- a/fuzzers/007-timing/rref.py +++ b/fuzzers/007-timing/rref.py @@ -1,8 +1,4 @@ #!/usr/bin/env python3 -''' -Triaging tool to help understand where we need more timing coverage -Finds correlated variables to help make better test cases -''' from timfuz import Benchmark, Ar_di2np, loadc_Ads_b, index_names, A_ds2np, simplify_rows import numpy as np @@ -193,6 +189,7 @@ def state_rref(state, verbose=False): def run(fnout, fn_ins, simplify=False, corner=None, verbose=0): print('Loading data') + assert len(fn_ins) > 0 state = State.load(fn_ins, simplify=simplify, corner=corner) state_rref(state, verbose=verbose) state.print_stats() @@ -217,14 +214,18 @@ def main(): default='build_speed/speed.json', help='Provides speed index to name translation') parser.add_argument('--out', help='Output sub.json substitution result') - parser.add_argument('fns_in', nargs='+', help='timing3.csv input files') + parser.add_argument('fns_in', nargs='*', help='timing3.csv input files') args = parser.parse_args() bench = Benchmark() + fns_in = args.fns_in + if not fns_in: + fns_in = glob.glob('specimen_*/timing3.csv') + try: run( fnout=args.out, - fn_ins=args.fns_in, + fn_ins=fns_in, simplify=args.simplify, corner=args.corner, verbose=args.verbose) diff --git a/fuzzers/007-timing/solve_leastsq.py b/fuzzers/007-timing/solve_leastsq.py index 5bd1f7b0..d77acd2d 100644 --- a/fuzzers/007-timing/solve_leastsq.py +++ b/fuzzers/007-timing/solve_leastsq.py @@ -1,19 +1,14 @@ #!/usr/bin/env python3 -# https://docs.scipy.org/doc/scipy-0.18.1/reference/generated/scipy.optimize.linprog.html -from scipy.optimize import linprog from timfuz import Benchmark, load_sub, corner_s2i, acorner2csv import timfuz import numpy as np -import glob import math -from fractions import Fraction import sys import os import time import timfuz_solve import scipy.optimize as optimize -from scipy.optimize import least_squares def mkestimate(Anp, b): @@ -141,7 +136,7 @@ def run_corner( x0 = mkestimate(Anp, b) print('Solving') - res = least_squares(func, x0, bounds=(0, float('inf'))) + res = optimize.least_squares(func, x0, bounds=(0, float('inf'))) print('Done') if outfn: diff --git a/fuzzers/007-timing/solve_linprog.py b/fuzzers/007-timing/solve_linprog.py index 28f181a6..6a27ac4c 100644 --- a/fuzzers/007-timing/solve_linprog.py +++ b/fuzzers/007-timing/solve_linprog.py @@ -1,7 +1,6 @@ #!/usr/bin/env python3 -# https://docs.scipy.org/doc/scipy-0.18.1/reference/generated/scipy.optimize.linprog.html -from scipy.optimize import linprog +import scipy.optimize as optimize from timfuz import Benchmark, load_sub, A_ub_np2d, acorner2csv, corner_s2i import numpy as np import glob @@ -151,8 +150,9 @@ def run_corner( print('') # Now find smallest values for delay constants # Due to input bounds (ex: column limit), some delay elements may get eliminated entirely + # https://docs.scipy.org/doc/scipy-0.18.1/reference/generated/scipy.optimize.linprog.html print('Running linprog w/ %d r, %d c (%d name)' % (rows, cols, len(names))) - res = linprog( + res = optimize.linprog( c, A_ub=A_ub, b_ub=b_ub, diff --git a/fuzzers/007-timing/sub2csv.py b/fuzzers/007-timing/sub2csv.py index dfb65227..48322dff 100644 --- a/fuzzers/007-timing/sub2csv.py +++ b/fuzzers/007-timing/sub2csv.py @@ -1,25 +1,7 @@ #!/usr/bin/env python3 -from timfuz import Benchmark, Ar_di2np, loadc_Ads_b, index_names, A_ds2np, simplify_rows -import numpy as np -import glob -import math +from timfuz import Benchmark import json -import sympy -from collections import OrderedDict -from fractions import Fraction - - -def mlcm(xs): - ''' - Find the LCM between elements in a group - ''' - l = xs[0] - for n in xs: - for m in xs: - lthis = lcm(n, m) - l = int(max(lthis, l)) - return ret def write_state(state, fout): diff --git a/fuzzers/007-timing/timfuz_massage.py b/fuzzers/007-timing/timfuz_massage.py index 4871e0f4..cd96d314 100644 --- a/fuzzers/007-timing/timfuz_massage.py +++ b/fuzzers/007-timing/timfuz_massage.py @@ -339,6 +339,16 @@ def massage_equations(Ads, b, verbose=False, corner=None): Subtract equations from each other to generate additional constraints Helps provide additional guidance to solver for realistic delays + Ex: given: + a >= 10 + a + b >= 100 + A valid solution is: + a = 100 + However, a better solution is something like + a = 10 + b = 90 + This creates derived constraints to provide more realistic results + Equation pipeline Some operations may generate new equations Simplify after these to avoid unnecessary overhead on redundant constraints diff --git a/fuzzers/007-timing/timfuz_solve.py b/fuzzers/007-timing/timfuz_solve.py index 4f6446ef..684cf05d 100644 --- a/fuzzers/007-timing/timfuz_solve.py +++ b/fuzzers/007-timing/timfuz_solve.py @@ -1,19 +1,9 @@ #!/usr/bin/env python3 -# https://docs.scipy.org/doc/scipy-0.18.1/reference/generated/scipy.optimize.linprog.html -from scipy.optimize import linprog -from timfuz import Benchmark, simplify_rows, loadc_Ads_b, index_names, A_ds2np, run_sub_json, print_eqns, Ads2bounds, instances, SimplifiedToZero, allow_zero_eqns +from timfuz import simplify_rows, loadc_Ads_b, index_names, A_ds2np, run_sub_json, print_eqns, Ads2bounds, instances, SimplifiedToZero, allow_zero_eqns from timfuz_massage import massage_equations import numpy as np -import glob -import json -import math -from collections import OrderedDict -from fractions import Fraction import sys -import datetime -import os -import time def check_feasible(A_ub, b_ub): @@ -162,18 +152,6 @@ def run( #print #col_dist(A_ubd, 'final', names) - print('b10', b[0:100]) - ''' - Given: - a >= 10 - a + b >= 100 - A valid solution is: - a = 100 - However, a better solution is something like - a = 10 - b = 90 - This creates derived constraints to provide more realistic results - ''' if massage: try: Ads, b = massage_equations(Ads, b, corner=corner) diff --git a/fuzzers/007-timing/timing_txt2csv.py b/fuzzers/007-timing/timing_txt2csv.py index ebdda26d..3f0e62af 100644 --- a/fuzzers/007-timing/timing_txt2csv.py +++ b/fuzzers/007-timing/timing_txt2csv.py @@ -12,12 +12,11 @@ from collections import OrderedDict # Speed index: some sort of special value SI_NONE = 0xFFFF +# prefix to make easier to track +# models do not overlap between PIPs and WIREs PREFIX_W = 'WIRE_' PREFIX_P = 'PIP_' -#PREFIX_W = '' -#PREFIX_P = '' - def parse_pip(s): # Entries like From b6b9d9a661fc6cddebf924015c536999d1db5f40 Mon Sep 17 00:00:00 2001 From: John McMaster Date: Mon, 17 Sep 2018 15:40:27 -0700 Subject: [PATCH 53/55] misc cleanup Signed-off-by: John McMaster --- fuzzers/007-timing/Makefile | 10 +-- fuzzers/007-timing/README.md | 9 ++- fuzzers/007-timing/checksub.py | 2 +- fuzzers/007-timing/csv_flat2group.py | 2 +- fuzzers/007-timing/csv_group2flat.py | 21 +++--- fuzzers/007-timing/projects/corner.mk | 8 +-- fuzzers/007-timing/projects/project.mk | 20 +++--- fuzzers/007-timing/rref.py | 8 +-- fuzzers/007-timing/solve_leastsq.py | 8 ++- fuzzers/007-timing/solve_linprog.py | 2 +- fuzzers/007-timing/tile_annotate.py | 64 +++++++------------ fuzzers/007-timing/timfuz.py | 40 ++++++++++-- fuzzers/007-timing/timgrid/Makefile | 2 +- .../{tile_combine.py => timgrid_vc2v.py} | 12 +++- fuzzers/007-timing/timing_txt2csv.py | 2 - 15 files changed, 114 insertions(+), 96 deletions(-) rename fuzzers/007-timing/{tile_combine.py => timgrid_vc2v.py} (92%) diff --git a/fuzzers/007-timing/Makefile b/fuzzers/007-timing/Makefile index 40e42a35..5734d78a 100644 --- a/fuzzers/007-timing/Makefile +++ b/fuzzers/007-timing/Makefile @@ -3,13 +3,13 @@ PRJ?=picorv32 PRJN?=8 -all: build/tilea.json +all: build/timgrid-v.json clean: rm -rf build cd speed && $(MAKE) clean cd timgrid && $(MAKE) clean - cd projects && $(MAKE) clean + cd projects/$(PRJ) && $(MAKE) clean speed/build/speed.json: cd speed && $(MAKE) @@ -17,10 +17,10 @@ speed/build/speed.json: timgrid/build/timgrid.json: cd timgrid && $(MAKE) -build/tilea.json: projects/$(PRJ)/build/tilea.json +build/timgrid-v.json: projects/$(PRJ)/build/timgrid-v.json mkdir -p build - cp projects/$(PRJ)/build/tilea.json build/tilea.json + cp projects/$(PRJ)/build/timgrid-v.json build/timgrid-v.json -projects/$(PRJ)/build/tilea.json: speed/build/speed.json timgrid/build/timgrid.json +projects/$(PRJ)/build/timgrid-v.json: speed/build/speed.json timgrid/build/timgrid.json cd projects/$(PRJ) && $(MAKE) N=$(PRJN) diff --git a/fuzzers/007-timing/README.md b/fuzzers/007-timing/README.md index a7c79eb2..db5a98bc 100644 --- a/fuzzers/007-timing/README.md +++ b/fuzzers/007-timing/README.md @@ -13,10 +13,15 @@ Currently this document focuses exclusively on fabric timing delays. ## Quick start ``` -make +make -j$(nproc) ``` -This will take a relatively long time (say 45 min) and generate build/tilea.json +This will take a relatively long time (say 45 min) and generate build/timgrid-v.json. +You can do a quicker test run (say 3 min) using: + +``` +make PRJ=oneblinkw PRJN=1 -j$(nproc) +``` ## Vivado background diff --git a/fuzzers/007-timing/checksub.py b/fuzzers/007-timing/checksub.py index 5387eaf1..86823805 100644 --- a/fuzzers/007-timing/checksub.py +++ b/fuzzers/007-timing/checksub.py @@ -58,7 +58,7 @@ def pds(Ads, s): def run(fns_in, sub_json=None, verbose=False): - assert len(fn_ins) > 0 + assert len(fns_in) > 0 # arbitrary corner...data is thrown away Ads, b = loadc_Ads_b(fns_in, "slow_max", ico=True) diff --git a/fuzzers/007-timing/csv_flat2group.py b/fuzzers/007-timing/csv_flat2group.py index a1defef2..a0f76f1d 100644 --- a/fuzzers/007-timing/csv_flat2group.py +++ b/fuzzers/007-timing/csv_flat2group.py @@ -35,7 +35,7 @@ def main(): import argparse parser = argparse.ArgumentParser( - description='Substitute .csv to group correlated symbols') + description='Substitute .csv to group correlated variables') parser.add_argument('--verbose', action='store_true', help='') parser.add_argument('--strict', action='store_true', help='') diff --git a/fuzzers/007-timing/csv_group2flat.py b/fuzzers/007-timing/csv_group2flat.py index bba0cc5b..403b2991 100644 --- a/fuzzers/007-timing/csv_group2flat.py +++ b/fuzzers/007-timing/csv_group2flat.py @@ -3,8 +3,8 @@ from timfuz import Benchmark, loadc_Ads_bs, load_sub, Ads2bounds, corners2csv, corner_s2i -def gen_flat(fnin, sub_json, corner=None): - Ads, bs = loadc_Ads_bs([fnin], ico=True) +def gen_flat(fns_in, sub_json, corner=None): + Ads, bs = loadc_Ads_bs(fns_in, ico=True) bounds = Ads2bounds(Ads, bs) zeros = set() nonzeros = set() @@ -49,20 +49,19 @@ def run(fns_in, fnout, sub_json, corner=None, sort=False, verbose=False): with open(fnout, 'w') as fout: fout.write('ico,fast_max fast_min slow_max slow_min,rows...\n') - for fnin in fns_in: - #for name, corners in sortf(gen_flat(fnin, sub_json)): - for name, corners in gen_flat(fnin, sub_json, corner=corner): - row_ico = 1 - items = [str(row_ico), corners2csv(corners)] - items.append('%u %s' % (1, name)) - fout.write(','.join(items) + '\n') + #for name, corners in sortf(gen_flat(fnin, sub_json)): + for name, corners in gen_flat(fns_in, sub_json, corner=corner): + row_ico = 1 + items = [str(row_ico), corners2csv(corners)] + items.append('%u %s' % (1, name)) + fout.write(','.join(items) + '\n') def main(): import argparse parser = argparse.ArgumentParser( - description='Substitute .csv to ungroup correlated symbols') + description='Substitute .csv to ungroup correlated variables') parser.add_argument('--verbose', action='store_true', help='') #parser.add_argument('--sort', action='store_true', help='') @@ -75,7 +74,7 @@ def main(): parser.add_argument('--out', default=None, help='output timing delay .csv') parser.add_argument( 'fns_in', - default=None, + nargs='+', help='input timing delay .csv (NOTE: must be single column)') args = parser.parse_args() # Store options in dict to ease passing through functions diff --git a/fuzzers/007-timing/projects/corner.mk b/fuzzers/007-timing/projects/corner.mk index 3ed37050..f332d727 100644 --- a/fuzzers/007-timing/projects/corner.mk +++ b/fuzzers/007-timing/projects/corner.mk @@ -5,7 +5,7 @@ CORNER=slow_max ALLOW_ZERO_EQN?=N BADPRJ_OK?=N -all: build/$(CORNER)/tilea.json +all: build/$(CORNER)/timgrid-s.json run: $(MAKE) clean @@ -37,11 +37,11 @@ build/$(CORNER)/linprog.csv: build/$(CORNER)/leastsq.csv build/grouped.csv build/$(CORNER)/flat.csv: build/$(CORNER)/linprog.csv # Take separated variables and back-annotate them to the original timing variables - python3 $(TIMFUZ_DIR)/csv_group2flat.py --sub-json build/sub.json --corner $(CORNER) --sort --out build/$(CORNER)/flat.csv.tmp build/$(CORNER)/linprog.csv + python3 $(TIMFUZ_DIR)/csv_group2flat.py --sub-json build/sub.json --corner $(CORNER) --out build/$(CORNER)/flat.csv.tmp build/$(CORNER)/linprog.csv mv build/$(CORNER)/flat.csv.tmp build/$(CORNER)/flat.csv -build/$(CORNER)/tilea.json: build/$(CORNER)/flat.csv +build/$(CORNER)/timgrid-s.json: build/$(CORNER)/flat.csv # Final processing # Insert timing delays into actual tile layouts - python3 $(TIMFUZ_DIR)/tile_annotate.py --tile-json $(TIMFUZ_DIR)/timgrid/build/timgrid.json build/$(CORNER)/flat.csv build/$(CORNER)/tilea.json + python3 $(TIMFUZ_DIR)/tile_annotate.py --timgrid-s $(TIMFUZ_DIR)/timgrid/build/timgrid-s.json --out build/$(CORNER)/timgrid-vc.json build/$(CORNER)/flat.csv diff --git a/fuzzers/007-timing/projects/project.mk b/fuzzers/007-timing/projects/project.mk index 7e2b4f1f..dc29c28e 100644 --- a/fuzzers/007-timing/projects/project.mk +++ b/fuzzers/007-timing/projects/project.mk @@ -10,23 +10,19 @@ RREF_CORNER=slow_max ALLOW_ZERO_EQN?=N BADPRJ_OK?=N -TILEA_JSONS=build/fast_max/tilea.json build/fast_min/tilea.json build/slow_max/tilea.json build/slow_min/tilea.json +TIMGRID_VCS=build/fast_max/timgrid-vc.json build/fast_min/timgrid-vc.json build/slow_max/timgrid-vc.json build/slow_min/timgrid-vc.json -all: build/tilea.json +all: build/timgrid-v.json # make build/checksub first -build/fast_max/tilea.json: build/checksub +build/fast_max/timgrid-vc.json: build/checksub $(MAKE) -f $(TIMFUZ_DIR)/projects/corner.mk CORNER=fast_max -build/fast_min/tilea.json: build/checksub +build/fast_min/timgrid-vc.json: build/checksub $(MAKE) -f $(TIMFUZ_DIR)/projects/corner.mk CORNER=fast_min -build/slow_max/tilea.json: build/checksub +build/slow_max/timgrid-vc.json: build/checksub $(MAKE) -f $(TIMFUZ_DIR)/projects/corner.mk CORNER=slow_max -build/slow_min/tilea.json: build/checksub +build/slow_min/timgrid-vc.json: build/checksub $(MAKE) -f $(TIMFUZ_DIR)/projects/corner.mk CORNER=slow_min -fast_max: build/fast_max/tilea.json -fast_min: build/fast_min/tilea.json -slow_max: build/slow_max/tilea.json -slow_min: build/slow_min/tilea.json $(SPECIMENS_OK): bash generate.sh $(subst /OK,,$@) || (if [ "$(BADPRJ_OK)" != 'Y' ] ; then exit 1; fi; exit 0) @@ -76,6 +72,6 @@ build/checksub: build/grouped.csv build/sub.json python3 $(TIMFUZ_DIR)/checksub.py --sub-json build/sub.json build/grouped.csv touch build/checksub -build/tilea.json: $(TILEA_JSONS) - python3 $(TIMFUZ_DIR)/tile_combine.py --out build/tilea.json $(TILEA_JSONS) +build/timgrid-v.json: $(TIMGRID_VCS) + python3 $(TIMFUZ_DIR)/timgrid_vc2v.py --out build/timgrid-v.json $(TIMGRID_VCS) diff --git a/fuzzers/007-timing/rref.py b/fuzzers/007-timing/rref.py index e160768c..fedcfef5 100644 --- a/fuzzers/007-timing/rref.py +++ b/fuzzers/007-timing/rref.py @@ -29,7 +29,7 @@ class State(object): # known zero delay elements self.drop_names = set(drop_names) # active names in rows - # includes sub symbols, excludes symbols that have been substituted out + # includes sub variables, excludes variables that have been substituted out self.base_names = set(self.names) self.names = set(self.base_names) # List of variable substitutions @@ -173,10 +173,10 @@ def state_rref(state, verbose=False): rowdsf = row_sym2dsf(rowsym, names) state.subs[group_name] = rowdsf - # Add the new symbol + # Add the new variables state.names.add(group_name) - # Remove substituted symbols - # Note: symbols may appear multiple times + # Remove substituted variables + # Note: variables may appear multiple times state.names.difference_update(set(rowdsf.keys())) pivot_name = names[row_pivot] state.pivots[group_name] = pivot_name diff --git a/fuzzers/007-timing/solve_leastsq.py b/fuzzers/007-timing/solve_leastsq.py index d77acd2d..db22b168 100644 --- a/fuzzers/007-timing/solve_leastsq.py +++ b/fuzzers/007-timing/solve_leastsq.py @@ -160,11 +160,15 @@ def main(): parser.add_argument('--corner', required=True, default="slow_max", help='') parser.add_argument( '--out', default=None, help='output timing delay .json') - parser.add_argument('fns_in', nargs='+', 'timing3.csv input files') + parser.add_argument('fns_in', nargs='+', help='timing3.csv input files') args = parser.parse_args() # Store options in dict to ease passing through functions bench = Benchmark() + fns_in = args.fns_in + if not fns_in: + fns_in = glob.glob('specimen_*/timing3.csv') + sub_json = None if args.sub_json: sub_json = load_sub(args.sub_json) @@ -173,7 +177,7 @@ def main(): timfuz_solve.run( run_corner=run_corner, sub_json=sub_json, - fns_in=args.fns_in, + fns_in=fns_in, corner=args.corner, massage=args.massage, outfn=args.out, diff --git a/fuzzers/007-timing/solve_linprog.py b/fuzzers/007-timing/solve_linprog.py index 6a27ac4c..d22e14d1 100644 --- a/fuzzers/007-timing/solve_linprog.py +++ b/fuzzers/007-timing/solve_linprog.py @@ -216,7 +216,7 @@ def main(): run_corner=run_corner, sub_json=sub_json, sub_csv=args.sub_csv, - fn_in=fn_in, + fns_in=fns_in, corner=args.corner, massage=args.massage, outfn=args.out, diff --git a/fuzzers/007-timing/tile_annotate.py b/fuzzers/007-timing/tile_annotate.py index 7e87f2fa..ffc07a21 100644 --- a/fuzzers/007-timing/tile_annotate.py +++ b/fuzzers/007-timing/tile_annotate.py @@ -9,50 +9,24 @@ import time import json -def run(fnin, fnout, tile_json_fn, verbose=False): +def run(fns_in, fnout, tile_json_fn, verbose=False): # modified in place tilej = json.load(open(tile_json_fn, 'r')) - Ads, bs = loadc_Ads_bs([fnin], ico=True) - bounds = Ads2bounds(Ads, bs) + for fnin in fns_in: + Ads, bs = loadc_Ads_bs([fnin], ico=True) + bounds = Ads2bounds(Ads, bs) - pipn_net = 0 - pipn_solved = [0, 0, 0, 0] - pipn_covered = [0, 0, 0, 0] - wiren_net = 0 - wiren_solved = [0, 0, 0, 0] - wiren_covered = [0, 0, 0, 0] + for tile in tilej['tiles'].values(): + pips = tile['pips'] + for k, v in pips.items(): + pips[k] = bounds.get('PIP_' + v, [None, None, None, None]) - for tile in tilej['tiles'].values(): - pips = tile['pips'] - for k, v in pips.items(): - pips[k] = bounds.get('PIP_' + v, [None, None, None, None]) - pipn_net += 1 - for i in range(4): - if pips[k][i]: - pipn_solved[i] += 1 - if pips[k][i] is not None: - pipn_covered[i] += 1 + wires = tile['wires'] + for k, v in wires.items(): + wires[k] = bounds.get('WIRE_' + v, [None, None, None, None]) - wires = tile['wires'] - for k, v in wires.items(): - wires[k] = bounds.get('WIRE_' + v, [None, None, None, None]) - wiren_net += 1 - for i in range(4): - if wires[k][i]: - wiren_solved[i] += 1 - if wires[k][i] is not None: - wiren_covered[i] += 1 - - for corner, corneri in timfuz.corner_s2i.items(): - print('Corner %s' % corner) - print( - ' Pips: %u / %u solved, %u / %u covered' % - (pipn_solved[corneri], pipn_net, pipn_covered[corneri], pipn_net)) - print( - ' Wires: %u / %u solved, %u / %u covered' % ( - wiren_solved[corneri], wiren_net, wiren_covered[corneri], - wiren_net)) + timfuz.tilej_stats(tilej) json.dump( tilej, @@ -68,13 +42,19 @@ def main(): parser = argparse.ArgumentParser( description= 'Substitute timgrid timing model names for real timing values') - parser.add_argument('--tile-json', default='tiles.json', help='') parser.add_argument( - 'fnin', default=None, help='Input flattened timing csv (flat.json)') - parser.add_argument('fnout', default=None, help='output tile .json') + '--timgrid-s', + default='../../timgrid/build/timgrid-s.json', + help='tilegrid timing delay symbolic input (timgrid-s.json)') + parser.add_argument( + '--out', + default='build/timgrid-vc.json', + help='tilegrid timing delay values at corner (timgrid-vc.json)') + parser.add_argument( + 'fn_ins', nargs='+', help='Input flattened timing csv (flat.json)') args = parser.parse_args() - run(args.fnin, args.fnout, args.tile_json, verbose=False) + run(args.fn_ins, args.out, args.timgrid_s, verbose=False) if __name__ == '__main__': diff --git a/fuzzers/007-timing/timfuz.py b/fuzzers/007-timing/timfuz.py index 45569ed2..581de3a0 100644 --- a/fuzzers/007-timing/timfuz.py +++ b/fuzzers/007-timing/timfuz.py @@ -665,20 +665,20 @@ def load_sub(fn): return j -def row_sub_syms(row, sub_json, strict=False, verbose=False): +def row_sub_vars(row, sub_json, strict=False, verbose=False): if 0 and verbose: print("") print(row.items()) - delsyms = 0 + delvars = 0 for k in sub_json['drop_names']: try: del row[k] - delsyms += 1 + delvars += 1 except KeyError: pass if verbose: - print("Deleted %u symbols" % delsyms) + print("Deleted %u variables" % delvars) if verbose: print('Checking pivots') @@ -750,7 +750,7 @@ def run_sub_json(Ads, sub_json, strict=False, verbose=False): print('Row %u w/ %u elements' % (rowi, len(row))) row_orig = dict(row) - row_sub_syms(row, sub_json, strict=strict, verbose=verbose) + row_sub_vars(row, sub_json, strict=strict, verbose=verbose) nrows += 1 if row_orig != row: nsubs += 1 @@ -817,3 +817,33 @@ def corners2csv(bs): assert len(bs) == 4 corners = ["None" if b is None else str(b) for b in bs] return ' '.join(corners) + + +def tilej_stats(tilej): + stats = {} + for etype in ('pips', 'wires'): + tm = stats.setdefault(etype, {}) + tm['net'] = 0 + tm['solved'] = [0, 0, 0, 0] + tm['covered'] = [0, 0, 0, 0] + + for tile in tilej['tiles'].values(): + for etype in ('pips', 'wires'): + pips = tile[etype] + for k, v in pips.items(): + stats[etype]['net'] += 1 + for i in range(4): + if pips[k][i]: + stats[etype]['solved'][i] += 1 + if pips[k][i] is not None: + stats[etype]['covered'][i] += 1 + + for corner, corneri in corner_s2i.items(): + print('Corner %s' % corner) + for etype in ('pips', 'wires'): + net = stats[etype]['net'] + solved = stats[etype]['solved'][corneri] + covered = stats[etype]['covered'][corneri] + print( + ' %s: %u / %u solved, %u / %u covered' % + (etype, solved, net, covered, net)) diff --git a/fuzzers/007-timing/timgrid/Makefile b/fuzzers/007-timing/timgrid/Makefile index af0a72da..30458303 100644 --- a/fuzzers/007-timing/timgrid/Makefile +++ b/fuzzers/007-timing/timgrid/Makefile @@ -5,7 +5,7 @@ build/timgrid.txt: generate.tcl cd build && vivado -mode batch -source ../generate.tcl build/timgrid.json: build/timgrid.txt - cd build && python3 ../tile_txt2json.py --speed-json ../../speed/build/speed.json timgrid.txt timgrid.json + cd build && python3 ../tile_txt2json.py --speed-json ../../speed/build/speed.json timgrid.txt timgrid-s.json clean: rm -rf build diff --git a/fuzzers/007-timing/tile_combine.py b/fuzzers/007-timing/timgrid_vc2v.py similarity index 92% rename from fuzzers/007-timing/tile_combine.py rename to fuzzers/007-timing/timgrid_vc2v.py index 940d628f..8c188d81 100644 --- a/fuzzers/007-timing/tile_combine.py +++ b/fuzzers/007-timing/timgrid_vc2v.py @@ -5,6 +5,7 @@ import os import time import json from collections import OrderedDict +import timfuz corner_s2i = OrderedDict( [ @@ -77,6 +78,7 @@ def check_corner_minmax(tilej, verbose=False): print('Checking for min/max consistency') checks = 0 bad = 0 + for tilev in tilej['tiles'].values(): def process_type(etype): @@ -102,7 +104,10 @@ def check_corner_minmax(tilej, verbose=False): process_type('pips') process_type('wires') - print('minmax: %u / %u bad' % (bad, checks)) + + print('') + print('minmax: %u / %u pairs bad pairs adjusted' % (bad, checks)) + timfuz.tilej_stats(tilej) def check_corners_minmax(tilej, verbose=False): @@ -127,8 +132,9 @@ def main(): parser = argparse.ArgumentParser( description='Combine multiple tile corners into one .json file') - parser.add_argument('--out', required=True, help='Combined .json file') - parser.add_argument('fnins', nargs='+', help='Input .json files') + parser.add_argument( + '--out', required=True, help='Combined timgrid-v.json files') + parser.add_argument('fnins', nargs='+', help='Input timgrid-vc.json files') args = parser.parse_args() run(args.fnins, args.out, verbose=False) diff --git a/fuzzers/007-timing/timing_txt2csv.py b/fuzzers/007-timing/timing_txt2csv.py index 3f0e62af..0ba2b36d 100644 --- a/fuzzers/007-timing/timing_txt2csv.py +++ b/fuzzers/007-timing/timing_txt2csv.py @@ -1,11 +1,9 @@ #!/usr/bin/env python3 from timfuz import Benchmark, A_di2ds -import numpy as np import glob import math import json -import sympy import sys from collections import OrderedDict From 03ed7a333b033d6b3889e398c29fa6e4bcee49e7 Mon Sep 17 00:00:00 2001 From: John McMaster Date: Mon, 17 Sep 2018 16:16:55 -0700 Subject: [PATCH 54/55] timfuz: move extra files experiment => minitest since not a fuzzer Signed-off-by: John McMaster --- {experiments => minitests}/timfuz/node_unique.py | 0 {experiments => minitests}/timfuz/perf_test.py | 0 {experiments => minitests}/timfuz/pip_unique.py | 0 {experiments => minitests}/timfuz/wire_unique.py | 0 4 files changed, 0 insertions(+), 0 deletions(-) rename {experiments => minitests}/timfuz/node_unique.py (100%) rename {experiments => minitests}/timfuz/perf_test.py (100%) rename {experiments => minitests}/timfuz/pip_unique.py (100%) rename {experiments => minitests}/timfuz/wire_unique.py (100%) diff --git a/experiments/timfuz/node_unique.py b/minitests/timfuz/node_unique.py similarity index 100% rename from experiments/timfuz/node_unique.py rename to minitests/timfuz/node_unique.py diff --git a/experiments/timfuz/perf_test.py b/minitests/timfuz/perf_test.py similarity index 100% rename from experiments/timfuz/perf_test.py rename to minitests/timfuz/perf_test.py diff --git a/experiments/timfuz/pip_unique.py b/minitests/timfuz/pip_unique.py similarity index 100% rename from experiments/timfuz/pip_unique.py rename to minitests/timfuz/pip_unique.py diff --git a/experiments/timfuz/wire_unique.py b/minitests/timfuz/wire_unique.py similarity index 100% rename from experiments/timfuz/wire_unique.py rename to minitests/timfuz/wire_unique.py From 863bfc53ef9beea18a6a93bdd5c2e1737c04f483 Mon Sep 17 00:00:00 2001 From: John McMaster Date: Mon, 17 Sep 2018 18:53:04 -0700 Subject: [PATCH 55/55] timfuz: fix minitest formatting issue Signed-off-by: John McMaster --- minitests/timfuz/perf_test.py | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/minitests/timfuz/perf_test.py b/minitests/timfuz/perf_test.py index 77d0aefe..a857db13 100644 --- a/minitests/timfuz/perf_test.py +++ b/minitests/timfuz/perf_test.py @@ -119,7 +119,8 @@ def run( def main(): import argparse - parser = argparse.ArgumentParser(description='Matrix solving performance tests') + parser = argparse.ArgumentParser( + description='Matrix solving performance tests') parser.add_argument('--verbose', action='store_true', help='') parser.add_argument('--sparse', action='store_true', help='')