STINNER Victor added the comment: Results of my micro benchmark. Use attached bench_stringio.py with benchmark.py: https://bitbucket.org/haypo/misc/src/tip/python/benchmark.py
Command: ./python benchmark.py script bench_stringio.py ---- Common platform: CPU model: Intel(R) Core(TM) i7-2600 CPU @ 3.40GHz Python unicode implementation: PEP 393 Platform: Linux-3.4.4-4.fc16.x86_64-x86_64-with-fedora-16-Verne Bits: int=32, long=64, long long=64, pointer=64 CFLAGS: -Wno-unused-result -DNDEBUG -g -fwrapv -O3 -Wall -Wstrict-prototypes Platform of campaign pyaccu: Date: 2012-08-10 04:24:53 SCM: hg revision=aaa68dce117e tag=tip branch=default date="2012-08-09 21:38 +0200" Python version: 3.3.0b1 (default:aaa68dce117e, Aug 10 2012, 04:24:19) [GCC 4.6.3 20120306 (Red Hat 4.6.3-2)] Platform of campaign writer: Date: 2012-08-10 04:23:21 SCM: hg revision=aaa68dce117e+ tag=tip branch=default date="2012-08-09 21:38 +0200" Python version: 3.3.0b1 (default:aaa68dce117e+, Aug 10 2012, 04:18:39) [GCC 4.6.3 20120306 (Red Hat 4.6.3-2)] --------------------------------------+-------------+--------------- Tests | pyaccu | writer --------------------------------------+-------------+--------------- writer ascii | 30.4 ms (*) | 30.4 ms writer reader ascii | 37.1 ms (*) | 37 ms writer latin1 | 31.5 ms (*) | 30.6 ms writer reader latin1 | 38.6 ms (*) | 37.4 ms writer bmp | 31.8 ms (*) | 29.7 ms (-7%) writer reader bmp | 40.8 ms (*) | 36.6 ms (-10%) writer non-bmp | 33.4 ms (*) | 30.2 ms (-10%) writer reader non-bmp | 40.9 ms (*) | 36.7 ms (-10%) writer long lines ascii | 7.96 ms (*) | 7.34 ms (-8%) writer-reader long lines ascii | 8.16 ms (*) | 7.39 ms (-9%) writer long lines latin1 | 8.01 ms (*) | 7.4 ms (-8%) writer-reader long lines latin1 | 8.05 ms (*) | 7.4 ms (-8%) writer long lines bmp | 14 ms (*) | 9.42 ms (-33%) writer-reader long lines bmp | 14.2 ms (*) | 9.45 ms (-34%) writer long lines non-bmp | 13.9 ms (*) | 9.62 ms (-31%) writer-reader long lines non-bmp | 14.3 ms (*) | 9.63 ms (-32%) writer very long lines ascii | 7.96 ms (*) | 7.36 ms (-7%) writer-reader very long lines ascii | 8.05 ms (*) | 7.37 ms (-8%) writer very long lines latin1 | 7.98 ms (*) | 7.33 ms (-8%) writer-reader very long lines latin1 | 8 ms (*) | 7.39 ms (-8%) writer very long lines bmp | 14.1 ms (*) | 9.34 ms (-34%) writer-reader very long lines bmp | 14.2 ms (*) | 9.4 ms (-34%) writer very long lines non-bmp | 13.9 ms (*) | 9.5 ms (-32%) writer-reader very long lines non-bmp | 14 ms (*) | 9.61 ms (-31%) reader ascii | 6.48 ms (*) | 6.22 ms reader latin1 | 6.59 ms (*) | 6.57 ms reader bmp | 7.22 ms (*) | 6.9 ms reader non-bmp | 7.65 ms (*) | 7.31 ms --------------------------------------+-------------+--------------- Total | 489 ms (*) | 431 ms (-12%) --------------------------------------+-------------+--------------- ---------- Added file: http://bugs.python.org/file26753/bench_stringio.py _______________________________________ Python tracker <rep...@bugs.python.org> <http://bugs.python.org/issue15612> _______________________________________ _______________________________________________ Python-bugs-list mailing list Unsubscribe: http://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
