STINNER Victor added the comment: Result of a micro-benchmark with encode_ucs1_surrogateescape-2.patch.
Common platform: Timer info: namespace(adjustable=False, implementation='clock_gettime(CLOCK_MONOTONIC)', monotonic=True, resolution=1e-09) Timer: time.perf_counter CPU model: Intel(R) Core(TM) i7-2600 CPU @ 3.40GHz Python unicode implementation: PEP 393 Platform: Linux-4.1.6-200.fc22.x86_64-x86_64-with-fedora-22-Twenty_Two CFLAGS: -Wno-unused-result -Wsign-compare -Wunreachable-code -DNDEBUG -g -fwrapv -O3 -Wall -Wstrict-prototypes Bits: int=32, long=64, long long=64, size_t=64, void*=64 Platform of campaign before: Date: 2015-09-24 16:12:35 Timer precision: 54 ns Python version: 3.6.0a0 (default:fa65c32d7134, Sep 24 2015, 16:11:44) [GCC 5.1.1 20150618 (Red Hat 5.1.1-4)] SCM: hg revision=fa65c32d7134 tag=tip branch=default date="2015-09-24 14:45 +0200" Platform of campaign after: Python version: 3.6.0a0 (default:fa65c32d7134+, Sep 24 2015, 16:13:20) [GCC 5.1.1 20150618 (Red Hat 5.1.1-4)] Timer precision: 55 ns SCM: hg revision=fa65c32d7134+ tag=tip branch=default date="2015-09-24 14:45 +0200" Date: 2015-09-24 16:13:21 -----------------------+-------------+--------------- ascii | before | after -----------------------+-------------+--------------- 100 x 10**1 characters | 6.65 us (*) | 1.93 us (-71%) 100 x 10**3 characters | 512 us (*) | 158 us (-69%) 100 x 10**2 characters | 52.2 us (*) | 16.2 us (-69%) 100 x 10**4 characters | 5.09 ms (*) | 1.59 ms (-69%) -----------------------+-------------+--------------- Total | 5.66 ms (*) | 1.77 ms (-69%) -----------------------+-------------+--------------- -----------------------+-------------+--------------- latin1 | before | after -----------------------+-------------+--------------- 100 x 10**1 characters | 6.24 us (*) | 1.89 us (-70%) 100 x 10**3 characters | 500 us (*) | 160 us (-68%) 100 x 10**2 characters | 51 us (*) | 16.3 us (-68%) 100 x 10**4 characters | 5 ms (*) | 1.59 ms (-68%) -----------------------+-------------+--------------- Total | 5.56 ms (*) | 1.77 ms (-68%) -----------------------+-------------+--------------- --------+-------------+--------------- Summary | before | after --------+-------------+--------------- ascii | 5.66 ms (*) | 1.77 ms (-69%) latin1 | 5.56 ms (*) | 1.77 ms (-68%) --------+-------------+--------------- Total | 11.2 ms (*) | 3.53 ms (-69%) --------+-------------+--------------- ---------- Added file: http://bugs.python.org/file40564/bench.py _______________________________________ Python tracker <rep...@bugs.python.org> <http://bugs.python.org/issue25227> _______________________________________ _______________________________________________ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com