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Add optional SEED=n command line option to Makefile, and -S n command line option to test scripts, for deterministic regression tests.

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This commit is contained in:
Eric Smith 2016-09-15 02:00:29 -06:00
parent d8ad889594
commit f4240cc8a4
14 changed files with 175 additions and 24 deletions
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19
tests/bram/generate.py
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@ -1,11 +1,11 @@
#!/usr/bin/env python3
import argparse
import os
import sys
import random
debug_mode = False
seed = (int(os.times()[4]*100) + os.getpid()) % 900000 + 100000
def create_bram(dsc_f, sim_f, ref_f, tb_f, k1, k2, or_next):
while True:
@ -243,10 +243,23 @@ def create_bram(dsc_f, sim_f, ref_f, tb_f, k1, k2, or_next):
print(" end", file=tb_f)
print("endmodule", file=tb_f)
print("Rng seed: %d" % seed)
parser = argparse.ArgumentParser(formatter_class = argparse.ArgumentDefaultsHelpFormatter)
parser.add_argument('-S', '--seed', type = int, help = 'seed for PRNG')
parser.add_argument('-c', '--count', type = int, default = 5, help = 'number of test cases to generate')
parser.add_argument('-d', '--debug', action='store_true')
args = parser.parse_args()
debug_mode = args.debug
if args.seed is not None:
seed = args.seed
else:
seed = (int(os.times()[4]*100) + os.getpid()) % 900000 + 100000
print("PRNG seed: %d" % seed)
random.seed(seed)
for k1 in range(5):
for k1 in range(args.count):
dsc_f = open("temp/brams_%02d.txt" % k1, "w")
sim_f = open("temp/brams_%02d.v" % k1, "w")
ref_f = open("temp/brams_%02d_ref.v" % k1, "w")