STINNER Victor added the comment: bench_alloc2.py: updated benchmark script. I added bytes(n) and bytearray(n) tests and removed the test decoding from ASCII.
Common platform: Timer: time.perf_counter Timer info: namespace(adjustable=False, implementation='clock_gettime(CLOCK_MONOTONIC)', monotonic=True, resolution=1e-09) Platform: Linux-3.13.9-200.fc20.x86_64-x86_64-with-fedora-20-Heisenbug SCM: hg revision=4b97092aa4bd+ tag=tip branch=default date="2014-04-27 18:02 +0100" Python unicode implementation: PEP 393 Bits: int=32, long=64, long long=64, size_t=64, void*=64 CFLAGS: -Wno-unused-result -Werror=declaration-after-statement -DNDEBUG -g -fwrapv -O3 -Wall -Wstrict-prototypes CPU model: Intel(R) Core(TM) i7-3520M CPU @ 2.90GHz Platform of campaign orig: Date: 2014-04-28 01:11:49 Timer precision: 39 ns Python version: 3.5.0a0 (default:4b97092aa4bd, Apr 28 2014, 01:02:01) [GCC 4.8.2 20131212 (Red Hat 4.8.2-7)] Platform of campaign calloc: Date: 2014-04-28 01:12:29 Timer precision: 44 ns Python version: 3.5.0a0 (default:4b97092aa4bd+, Apr 28 2014, 01:06:54) [GCC 4.8.2 20131212 (Red Hat 4.8.2-7)] -----------------------+-------------+---------------- Tests | orig | calloc -----------------------+-------------+---------------- object() | 62 ns (*) | 72 ns (+16%) b'A' * 10 | 53 ns (*) | 52 ns b'A' * 10**3 | 96 ns (*) | 110 ns (+15%) b'A' * 10**6 | 38.5 us (*) | 38.6 us 'A' * 10 | 59 ns (*) | 61 ns 'A' * 10**3 | 105 ns (*) | 108 ns 'A' * 10**6 | 38.6 us (*) | 38.6 us 'A' * 10**8 | 10.3 ms (*) | 10.4 ms (None,) * 10**0 | 29 ns (*) | 29 ns (None,) * 10**1 | 75 ns (*) | 76 ns (None,) * 10**2 | 432 ns (*) | 461 ns (+7%) (None,) * 10**3 | 3.58 us (*) | 3.6 us (None,) * 10**4 | 35.8 us (*) | 35.7 us (None,) * 10**5 | 365 us (*) | 365 us (None,) * 10**6 | 4.1 ms (*) | 4.13 ms (None,) * 10**7 | 43.6 ms (*) | 40.3 ms (-8%) (None,) * 10**8 | 433 ms (*) | 401 ms (-7%) ([None] * 10)[1:-1] | 122 ns (*) | 134 ns (+10%) ([None] * 10**3)[1:-1] | 3.6 us (*) | 3.62 us ([None] * 10**6)[1:-1] | 4.22 ms (*) | 4.2 ms ([None] * 10**8)[1:-1] | 441 ms (*) | 402 ms (-9%) bytes(10) | 137 ns (*) | 136 ns bytes(10**3) | 181 ns (*) | 191 ns (+5%) bytes(10**6) | 38.7 us (*) | 39.2 us bytes(10**8) | 10.3 ms (*) | 4.36 us (-100%) bytearray(10) | 138 ns (*) | 153 ns (+11%) bytearray(10**3) | 184 ns (*) | 211 ns (+14%) bytearray(10**6) | 38.7 us (*) | 39.3 us bytearray(10**8) | 10.3 ms (*) | 4.32 us (-100%) -----------------------+-------------+---------------- Total | 957 ms (*) | 862 ms (-10%) -----------------------+-------------+---------------- ---------- Added file: http://bugs.python.org/file35065/bench_alloc2.py _______________________________________ Python tracker <rep...@bugs.python.org> <http://bugs.python.org/issue21233> _______________________________________ _______________________________________________ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
