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Tue Jun 10 20:26:33 CEST 2014 · https://mail.python.org/pipermail/python-dev/2014-June/135008.html

Le 10/06/2014 12:30, Steve Dower a écrit :
>
> I ran a quick test with profile-guided optimization (PGO, pronounced
"pogo"), which has supposedly been improved since VC9, and saw a very
unscientific 20% speed improvement on pybench.py and 10% size reduction
in python35.dll. I'm not sure what we used to get from VC9, but it
certainly seems worth enabling provided it doesn't break anything.
(Interestingly, PGO decided that only 1% of functions needed to be
compiled for speed. Not sure if I can find out which ones those are but
if anyone's interested I can give it a shot?)

I would recommend using the non-trivial suite of benchmarks at
http://hg.python.org/benchmarks
(both for the profiling and the benchmarking, though you may want to use 
additional workloads for profiling too)

Regards

Antoine.

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[Python-Dev] Python 3.5 on VC14