INADA Naoki added the comment: FYI, bench result of USABLE_FRACTION(n) = (n/2):
Report on Linux ip-10-0-1-249 3.16.0-4-amd64 #1 SMP Debian 3.16.7-ckt25-1 (2016-03-06) x86_64 Total CPU cores: 2 +--------------+---------+------------+--------------+------------------------+ | Benchmark | default | usable n/2 | Change | Significance | +==============+=========+============+==============+========================+ | 2to3 | 5.18 | 5.17 | 1.00x faster | Not significant | +--------------+---------+------------+--------------+------------------------+ | chameleon_v2 | 4.03 | 3.87 | 1.04x faster | Significant (t=61.85) | +--------------+---------+------------+--------------+------------------------+ | django_v3 | 0.4 | 0.39 | 1.01x faster | Not significant | +--------------+---------+------------+--------------+------------------------+ | fastpickle | 0.33 | 0.33 | 1.00x slower | Not significant | +--------------+---------+------------+--------------+------------------------+ | fastunpickle | 0.41 | 0.42 | 1.04x slower | Significant (t=-56.83) | +--------------+---------+------------+--------------+------------------------+ | json_dump_v2 | 1.93 | 1.94 | 1.01x slower | Not significant | +--------------+---------+------------+--------------+------------------------+ | json_load | 0.33 | 0.33 | 1.01x faster | Not significant | +--------------+---------+------------+--------------+------------------------+ | nbody | 0.19 | 0.19 | 1.00x slower | Not significant | +--------------+---------+------------+--------------+------------------------+ | regex_v8 | 0.04 | 0.04 | 1.00x faster | Not significant | +--------------+---------+------------+--------------+------------------------+ | tornado_http | 0.19 | 0.2 | 1.01x slower | Not significant | +--------------+---------+------------+--------------+------------------------+ I've changed recommended usable fraction from 5/8~2/3 to 1/2~2/3. ---------- _______________________________________ Python tracker <rep...@bugs.python.org> <http://bugs.python.org/issue27350> _______________________________________ _______________________________________________ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
