зеркало из https://github.com/mozilla/moz-skia.git
141 строка
3.9 KiB
Python
141 строка
3.9 KiB
Python
'''
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Created on May 16, 2011
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@author: bungeman
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'''
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import sys
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import getopt
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import re
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def parse(lines):
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"""Takes iterable lines of bench output, returns {bench:{config:time}}."""
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benches = {}
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current_bench = None
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for line in lines:
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#see if this line starts a new bench
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new_bench = re.search('running bench \[\d+ \d+\] (.{28})', line)
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if new_bench:
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current_bench = new_bench.group(1)
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#add configs on this line to the current bench
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if current_bench:
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for new_config in re.finditer(' (.{4}): msecs = (\d+\.\d+)', line):
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current_config = new_config.group(1)
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current_time = float(new_config.group(2))
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if current_bench in benches:
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benches[current_bench][current_config] = current_time
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else:
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benches[current_bench] = {current_config : current_time}
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return benches
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def usage():
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"""Prints simple usage information."""
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print '-o <file> the old bench output file.'
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print '-n <file> the new bench output file.'
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print '-h causes headers to be output.'
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print '-f <fieldSpec> which fields to output and in what order.'
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print ' Not specifying is the same as -f "bcondp".'
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print ' b: bench'
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print ' c: config'
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print ' o: old time'
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print ' n: new time'
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print ' d: diff'
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print ' p: percent diff'
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def main():
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"""Parses command line and writes output."""
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try:
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opts, args = getopt.getopt(sys.argv[1:], "f:o:n:h")
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except getopt.GetoptError, err:
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print str(err)
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usage()
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sys.exit(2)
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column_formats = {
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'b' : '{bench: >28} ',
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'c' : '{config: <4} ',
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'o' : '{old_time: >10.2f} ',
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'n' : '{new_time: >10.2f} ',
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'd' : '{diff: >+10.2f} ',
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'p' : '{diffp: >+7.1%} ',
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}
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header_formats = {
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'b' : '{bench: >28} ',
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'c' : '{config: <4} ',
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'o' : '{old_time: >10} ',
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'n' : '{new_time: >10} ',
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'd' : '{diff: >10} ',
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'p' : '{diffp: >7} ',
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}
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old = None
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new = None
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column_format = ""
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header_format = ""
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columns = 'bcondp'
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header = False
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for option, value in opts:
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if option == "-o":
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old = value
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elif option == "-n":
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new = value
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elif option == "-h":
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header = True
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elif option == "-f":
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columns = value
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else:
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usage()
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assert False, "unhandled option"
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if old is None or new is None:
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usage()
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sys.exit(2)
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for column_char in columns:
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if column_formats[column_char]:
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column_format += column_formats[column_char]
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header_format += header_formats[column_char]
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else:
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usage()
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sys.exit(2)
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if header:
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print header_format.format(
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bench='bench'
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, config='conf'
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, old_time='old'
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, new_time='new'
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, diff='diff'
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, diffp='diffP'
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)
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old_benches = parse(open(old, 'r'))
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new_benches = parse(open(new, 'r'))
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for old_bench, old_configs in old_benches.items():
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if old_bench in new_benches:
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new_configs = new_benches[old_bench]
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for old_config, old_time in old_configs.items():
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if old_config in new_configs:
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new_time = new_configs[old_config]
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old_time = old_configs[old_config]
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print column_format.format(
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bench=old_bench.strip()
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, config=old_config.strip()
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, old_time=old_time
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, new_time=new_time
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, diff=(old_time - new_time)
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, diffp=((old_time-new_time)/old_time)
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)
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if __name__ == "__main__":
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main()
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