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Add option to "emulate" McCode default 'Unix epoch' seed in mctest #2576

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Merged
willend merged 2 commits into from
Jul 20, 2026
+7 −2
Merged

Add option to "emulate" McCode default 'Unix epoch' seed in mctest #2576

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15d0b6d
Add option to "emulate" McCode default 'Unix epoch' seed in mctest
willend Jul 20, 2026
12b1d85
Fix typo
willend Jul 20, 2026
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9 changes: 7 additions & 2 deletions tools/Python/mctest/mctest.py
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Original file line number Diff line number Diff line change
Expand Up @@ -17,6 +17,7 @@
import platform
import subprocess
import io
from datetime import datetime

sys.path.append(os.path.join(os.path.dirname(__file__), '..'))
from mccodelib import utils, mccode_config
Expand Down Expand Up @@ -827,6 +828,10 @@ def main(args):
elif args.s:
seed = args.s[0]

if seed == "0" or seed == "NULL":
# Emulate McCode 'epoch' seed, however applied to all active tests / sim runs...
seed = round((datetime.now() - datetime(1970, 1, 1)).total_seconds())

if args.local:
runLocal = args.local

Expand Down Expand Up @@ -893,8 +898,8 @@ def main(args):
parser = argparse.ArgumentParser(description=__doc__)
parser.add_argument('--ncount', nargs=1, help='ncount sent to %s' % (mccode_config.configuration["MCRUN"]) )
parser.add_argument('-n', nargs=1, help='ncount sent to %s' % (mccode_config.configuration["MCRUN"]) )
parser.add_argument('--seed', nargs=1, help='seed sent to %s (default 1000)' % (mccode_config.configuration["MCRUN"]) )
parser.add_argument('-s', nargs=1, help='seed sent to %s (default 1000)' % (mccode_config.configuration["MCRUN"]) )
parser.add_argument('--seed', nargs=1, help='seed sent to %s (default 1000 - use 0/NULL to "randomize")' % (mccode_config.configuration["MCRUN"]) )
parser.add_argument('-s', nargs=1, help='seed sent to %s (default 1000 - use 0/NULL to "randomize")' % (mccode_config.configuration["MCRUN"]) )
parser.add_argument('--mpi', nargs=1, help='mpi nodecount sent to %s' % (mccode_config.configuration["MCRUN"]) )
parser.add_argument('--openacc', action='store_true', help='openacc flag sent to %s' % (mccode_config.configuration["MCRUN"]))
parser.add_argument('--config', nargs="?", help='test this specific config only - label name or absolute path')
Expand Down