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#!/usr/bin/env python2.7
# Copyright 2017, Google Inc.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are
# met:
#
# * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# * Redistributions in binary form must reproduce the above
# copyright notice, this list of conditions and the following disclaimer
# in the documentation and/or other materials provided with the
# distribution.
# * Neither the name of Google Inc. nor the names of its
# contributors may be used to endorse or promote products derived from
# this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
### Python utility to run opt and counters benchmarks and save json output """
import bm_constants
import argparse
import multiprocessing
import random
import itertools
import sys
import os
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sys.path.append(
os.path.join(
os.path.dirname(sys.argv[0]), '..', '..', '..', 'run_tests',
'python_utils'))
import jobset
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def _args():
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argp = argparse.ArgumentParser(description='Runs microbenchmarks')
argp.add_argument(
'-b',
'--benchmarks',
nargs='+',
choices=bm_constants._AVAILABLE_BENCHMARK_TESTS,
default=bm_constants._AVAILABLE_BENCHMARK_TESTS,
help='Benchmarks to run')
argp.add_argument(
'-j',
'--jobs',
type=int,
default=multiprocessing.cpu_count(),
help='Number of CPUs to use')
argp.add_argument(
'-n',
'--name',
type=str,
help='Unique name of the build to run. Needs to match the handle passed to bm_build.py'
)
argp.add_argument(
'-r',
'--repetitions',
type=int,
default=1,
help='Number of repetitions to pass to the benchmarks')
argp.add_argument(
'-l',
'--loops',
type=int,
default=20,
help='Number of times to loops the benchmarks. More loops cuts down on noise'
)
args = argp.parse_args()
assert args.name
if args.loops < 3:
print "WARNING: This run will likely be noisy. Increase loops."
return args
def _collect_bm_data(bm, cfg, name, reps, idx, loops):
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cmd = [
'bm_diff_%s/%s/%s' % (name, cfg, bm),
'--benchmark_out=%s.%s.%s.%d.json' % (bm, cfg, name, idx),
'--benchmark_out_format=json', '--benchmark_repetitions=%d' % (reps)
]
return jobset.JobSpec(
cmd,
shortname='%s %s %s %d/%d' % (bm, cfg, name, idx + 1, loops),
verbose_success=True,
timeout_seconds=None)
def run(name, benchmarks, jobs, loops, reps):
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jobs_list = []
for loop in range(0, loops):
jobs_list.extend(
x
for x in itertools.chain(
(_collect_bm_data(bm, 'opt', name, reps, loop, loops)
for bm in benchmarks),
(_collect_bm_data(bm, 'counters', name, reps, loop, loops)
for bm in benchmarks),))
random.shuffle(jobs_list, random.SystemRandom().random)
jobset.run(jobs_list, maxjobs=jobs)
if __name__ == '__main__':
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args = _args()
run(args.name, args.benchmarks, args.jobs, args.loops, args.repetitions)