openjpeg/tests/performance/compare_perfs.py

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#!/usr/bin/env python
# -*- coding: utf-8 -*-
#
# Copyright (c) 2017, IntoPIX SA
# Contact: support@intopix.com
# Author: Even Rouault
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# 2. 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.
#
# 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 OWNER OR CONTRIBUTORS BE
# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.
#
import sys
def Usage():
print('Usage: compare_perfs.py [-noise_threshold val_in_pct]')
print(' [-warning_threshold val_in_pct]')
print(' [-error_threshold val_in_pct]')
print(' [-global_error_threshold val_in_pct]')
print(' ref.csv new.csv')
sys.exit(1)
ref_filename = None
new_filename = None
noise_threshold = 2
warning_threshold = 4
error_threshold = 6
global_error_threshold = 2
i = 1
while i < len(sys.argv):
if sys.argv[i] == '-noise_threshold' and i + 1 < len(sys.argv):
i += 1
noise_threshold = int(sys.argv[i])
elif sys.argv[i] == '-warning_threshold' and i + 1 < len(sys.argv):
i += 1
warning_threshold = int(sys.argv[i])
elif sys.argv[i] == '-error_threshold' and i + 1 < len(sys.argv):
i += 1
error_threshold = int(sys.argv[i])
elif sys.argv[i] == '-global_error_threshold' and i + 1 < len(sys.argv):
i += 1
global_error_threshold = int(sys.argv[i])
elif sys.argv[i][0] == '-':
Usage()
elif ref_filename is None:
ref_filename = sys.argv[i]
elif new_filename is None:
new_filename = sys.argv[i]
else:
Usage()
i += 1
if ref_filename is None or new_filename is None:
Usage()
assert noise_threshold < warning_threshold
assert warning_threshold < error_threshold
assert global_error_threshold >= noise_threshold
assert global_error_threshold <= error_threshold
ref_lines = open(ref_filename, 'rt').readlines()[1:]
new_lines = open(new_filename, 'rt').readlines()[1:]
if len(ref_lines) != len(new_lines):
raise Exception('files are not comparable')
ret_code = 0
for i in range(len(ref_lines)):
line = ref_lines[i].replace('\n', '')
filename_ref, num_iterations_ref, num_threads_ref, command_ref, \
_, time_ms_ref = line.split(',')
line = new_lines[i].replace('\n', '')
filename_new, num_iterations_new, num_threads_new, command_new, \
_, time_ms_new = line.split(',')
assert filename_ref == filename_new
assert num_iterations_ref == num_iterations_new
assert num_threads_ref == num_threads_new
assert command_ref == command_new
time_ms_ref = int(time_ms_ref)
time_ms_new = int(time_ms_new)
if filename_ref == 'TOTAL':
display = 'TOTAL'
else:
display = '%s, %s iterations, %s threads, %s' % \
(filename_ref, num_iterations_ref, num_threads_ref, command_ref)
display += ': ref_time %d ms, new_time %d ms' % (time_ms_ref, time_ms_new)
var_pct = 100.0 * (time_ms_new - time_ms_ref) / time_ms_ref
if abs(var_pct) <= noise_threshold:
display += ', (stable) %0.1f %%' % var_pct
elif var_pct < 0:
display += ', (improvement) %0.1f %%' % var_pct
else:
display += ', (regression) %0.1f %%' % var_pct
if filename_ref == 'TOTAL' and var_pct > global_error_threshold:
display += ', ERROR_THRESHOLD'
ret_code = 1
elif var_pct > error_threshold:
display += ', ERROR_THRESHOLD'
ret_code = 1
elif var_pct > warning_threshold:
display += ', WARNING_THRESHOLD'
print(display)
sys.exit(ret_code)