Movatterモバイル変換
[0]ホーム
[Python-Dev] PEP 414 - Unicode Literals for Python 3
Serhiy Storchakastorchaka at gmail.com
Sun Feb 26 13:35:25 CET 2012
Some microbenchmarks:$ python -m timeit -n 10000 -r 100 -s "x = 123" "'foobarbaz_%d' % x"10000 loops, best of 100: 1.24 usec per loop$ python -m timeit -n 10000 -r 100 -s "x = 123" "str('foobarbaz_%d') % x"10000 loops, best of 100: 1.59 usec per loop$ python -m timeit -n 10000 -r 100 -s "x = 123" "str(u'foobarbaz_%d') % x"10000 loops, best of 100: 1.58 usec per loop$ python -m timeit -n 10000 -r 100 -s "x = 123; n = lambda s: s" "n('foobarbaz_%d') % x"10000 loops, best of 100: 1.41 usec per loop$ python -m timeit -n 10000 -r 100 -s "x = 123; s = 'foobarbaz_%d'" "s % x"10000 loops, best of 100: 1.22 usec per loopThere are no significant overhead to use converters.
More information about the Python-Devmailing list
[8]ページ先頭