"""
Micro-benchmark for the Python operation str.format(). Run it with:
./python.orig benchmark.py script bench_long.py --file=orig
./python.patched benchmark.py script bench_long.py --file=patch
./python.patched benchmark.py compare_to orig patch
Download benchmark.py from:
https://bitbucket.org/haypo/misc/raw/tip/python/benchmark.py
"""
import sys
def run_benchmark(bench):
 x = 3
 y = 2
 for x_type, y_type in (
 ('int', 'int'),
 ('int', 'float'),
 ('float', 'int'),
 ('float', 'float'),
 ('Decimal', 'Decimal'),
 ):
 bench.start_group("%s - %s" % (x_type, y_type))
 for op in ('+', '-', '*', '**'):
 expr = 'x %s y; ' % op
 setup = []
 if 'Decimal' in (x_type, y_type):
 setup.append('from decimal import Decimal')
 setup.append('x=%s(%s)' % (x_type, x))
 setup.append('y=%s(%s)' % (y_type, y))
 setup = '; '.join(setup)
 name = "%s(%s) %s %s(%s)" % (x_type, x, op, y_type, y)
 bench.timeit(expr,
 setup=setup,
 name=name)
 bench.timeit(expr * 100,
 setup=setup,
 name="%s ran 100 times" % name)
 bench.start_group("strings")
 bench.timeit("x + y",
 setup="x='abc'; y='def'",
 name="'abc' + 'def'")
 bench.timeit("x + y; " * 100,
 setup="x='abc'; y='def'",
 name="'abc' + 'def' ran 100 times")
 bench.timeit("x * y; ",
 setup="x='abc'; y=3",
 name="'abc' * 3")
 bench.timeit("x * y; " * 100,
 setup="x='abc'; y=3",
 name="'abc' * 3 ran 100 times")
</div><div class="naked_ctrl">
<form action="/index.cgi/contrast" method="get" name="gate">
<p><a href="http://altstyle.alfasado.net">AltStyle</a> によって変換されたページ <a href="https://bugs.python.org/file41821/bench_long2.py">(-&gt;オリジナル)</a>
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