[Python-Dev] Benchmarking Python 3.3 against Python 2.7 (wide build)
Steven D'Aprano
steve at pearwood.info
Mon Oct 1 03:35:58 CEST 2012
On Sun, Sep 30, 2012 at 07:12:47PM -0400, Brett Cannon wrote:
> > python3 perf.py -T --basedir ../benchmarks -f -b py3k
> ../cpython/builds/2.7-wide/bin/python ../cpython/builds/3.3/bin/python3.3
> ### call_method ###
> Min: 0.491433 -> 0.414841: 1.18x faster
> Avg: 0.493640 -> 0.416564: 1.19x faster
> Significant (t=127.21)
> Stddev: 0.00170 -> 0.00162: 1.0513x smaller
I'm not sure if this is the right place to discuss this, but what is the
justification for recording the average and std deviation of the
benchmarks?
If the benchmarks are based on timeit, the timeit docs warn against
taking any statistic other than the minimum.
--
Steven
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