OpenRAM/compiler/tests/21_ngspice_delay_test.py

89 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
# 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
if not OPTS.spice_exe:
debug.error("Could not find {} simulator.".format(OPTS.spice_name),-1)
import sram
import tech
debug.info(1, "Testing timing for sample 1bit, 16words SRAM with 1 bank")
s = sram.sram(word_size=OPTS.word_size,
num_words=OPTS.num_words,
num_banks=OPTS.num_banks,
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 {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 = d.analyze(probe_address, probe_data, slews, loads)
if OPTS.tech_name == "freepdk45":
golden_data = {'leakage_power': 0.0007348262,
'delay_lh': [0.05799613],
'read0_power': [0.0384102],
'read1_power': [0.03279848],
'write1_power': [0.03693655],
'write0_power': [0.02717752],
'slew_hl': [0.03607912],
'min_period': 0.742,
'delay_hl': [0.3929995],
'slew_lh': [0.02160862]}
elif OPTS.tech_name == "scn3me_subm":
golden_data = {'leakage_power': 0.00142014,
'delay_lh': [0.8018421],
'read0_power': [11.44908],
'read1_power': [11.416549999999999],
'write1_power': [11.718020000000001],
'write0_power': [8.250219],
'slew_hl': [0.8273725],
'min_period': 34,
'delay_hl': [1.085861],
'slew_lh': [0.5730144]}
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()
# instantiate a copdsay of the class to actually run the test
if __name__ == "__main__":
(OPTS, args) = globals.parse_args()
del sys.argv[1:]
header(__file__, OPTS.tech_name)
unittest.main()