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# Copyright 2016 Google Inc.
#
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
"""Parses an skpbench result from a line of output text."""
from __future__ import print_function
import re
import sys
class BenchResult:
FLOAT_REGEX = '[-+]?(\d+(\.\d*)?|\.\d+)([eE][-+]?\d+)?'
PATTERN = re.compile('^(?P<accum_pad> *)'
'(?P<accum>' + FLOAT_REGEX + ')'
'(?P<median_pad> +)'
'(?P<median>' + FLOAT_REGEX + ')'
'(?P<max_pad> +)'
'(?P<max>' + FLOAT_REGEX + ')'
'(?P<min_pad> +)'
'(?P<min>' + FLOAT_REGEX + ')'
'(?P<stddev_pad> +)'
'(?P<stddev>' + FLOAT_REGEX + '%)'
'(?P<samples_pad> +)'
'(?P<samples>\d+)'
'(?P<sample_ms_pad> +)'
'(?P<sample_ms>\d+)'
'(?P<clock_pad> +)'
'(?P<clock>[cg]pu)'
'(?P<metric_pad> +)'
'(?P<metric>ms|fps)'
'(?P<config_pad> +)'
'(?P<config>[^\s]+)'
'(?P<bench_pad> +)'
'(?P<bench>[^\s]+)$')
@classmethod
def match(cls, text):
match = cls.PATTERN.search(text)
return cls(match) if match else None
def __init__(self, match):
self.accum = float(match.group('accum'))
self.median = float(match.group('median'))
self.max = float(match.group('max'))
self.min = float(match.group('min'))
self.stddev = float(match.group('stddev')[:-1]) # Drop '%' sign.
self.samples = int(match.group('samples'))
self.sample_ms = int(match.group('sample_ms'))
self.clock = match.group('clock')
self.metric = match.group('metric')
self.config = match.group('config')
self.bench = match.group('bench')
self._match = match
def get_string(self, name):
return self._match.group(name)
def print_values(self, config_suffix=None, outfile=sys.stdout):
if not config_suffix or config_suffix == '':
print(self._match.group(0), file=outfile)
else:
values = list()
for name in ['accum', 'median', 'max', 'min', 'stddev',
'samples', 'sample_ms', 'clock', 'metric', 'config']:
values.append(self.get_string(name + '_pad'))
values.append(self.get_string(name))
values.append(config_suffix)
bench_pad = self.get_string('bench_pad')
values.append(bench_pad[min(len(config_suffix), len(bench_pad) - 1):])
values.append(self.get_string('bench'))
print(''.join(values), file=outfile)
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