OpenRAM/compiler/tests/21_ngspice_delay_test.py

90 lines
3.3 KiB
Python
Executable File

#!/usr/bin/env python3
"""
Run a regression test on various srams
"""
import unittest
from testutils import header,openram_test
import sys,os
sys.path.append(os.path.join(sys.path[0],".."))
import globals
from globals import OPTS
import debug
class timing_sram_test(openram_test):
def runTest(self):
globals.init_openram("config_20_{0}".format(OPTS.tech_name))
OPTS.spice_name="ngspice"
OPTS.analytical_delay = False
OPTS.netlist_only = True
# This is a hack to reload the characterizer __init__ with the spice version
from importlib import reload
import characterizer
reload(characterizer)
from characterizer import delay
from sram import sram
from sram_config import sram_config
c = sram_config(word_size=1,
num_words=16,
num_banks=1)
c.words_per_row=1
debug.info(1, "Testing timing for sample 1bit, 16words SRAM with 1 bank")
s = sram(c, name="sram1")
tempspice = OPTS.openram_temp + "temp.sp"
s.sp_write(tempspice)
probe_address = "1" * s.s.addr_size
probe_data = s.s.word_size - 1
debug.info(1, "Probe address {0} probe data bit {1}".format(probe_address, probe_data))
corner = (OPTS.process_corners[0], OPTS.supply_voltages[0], OPTS.temperatures[0])
d = delay(s.s, tempspice, corner)
import tech
loads = [tech.spice["msflop_in_cap"]*4]
slews = [tech.spice["rise_time"]*2]
data, port_data = d.analyze(probe_address, probe_data, slews, loads)
#Combine info about port into all data
data.update(port_data[0])
if OPTS.tech_name == "freepdk45":
golden_data = {'delay_hl': [2.584251],
'delay_lh': [0.22870469999999998],
'leakage_power': 0.0009567935,
'min_period': 4.844,
'read0_power': [0.0547588],
'read1_power': [0.051159970000000006],
'slew_hl': [0.08164099999999999],
'slew_lh': [0.025474979999999998],
'write0_power': [0.06513271999999999],
'write1_power': [0.058057000000000004]}
elif OPTS.tech_name == "scn4m_subm":
golden_data = {'delay_hl': [3.644147],
'delay_lh': [1.629815],
'leakage_power': 0.001542964,
'min_period': 4.688,
'read0_power': [16.28732],
'read1_power': [15.75155],
'slew_hl': [0.6722473],
'slew_lh': [0.3386347],
'write0_power': [18.545450000000002],
'write1_power': [16.81084]}
else:
self.assertTrue(False) # other techs fail
# Check if no too many or too few results
self.assertTrue(len(data.keys())==len(golden_data.keys()))
self.assertTrue(self.check_golden_data(data,golden_data,0.25))
globals.end_openram()
# run the test from the command line
if __name__ == "__main__":
(OPTS, args) = globals.parse_args()
del sys.argv[1:]
header(__file__, OPTS.tech_name)
unittest.main()