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[Python-Dev] Help requested with Python 2.7 performance regression

Louis Bouchard louis.bouchard at canonical.com
Fri Mar 3 09:37:56 EST 2017 
Hello,

Le 03/03/2017 à 15:31, Victor Stinner a écrit :
>> Out of curiosity, I ran the set of benchmarks in two LXC containers running
>> centos7 (2.7.5 + gcc 4.8.5) and Fedora 25 (2.7.13 + gcc 6.3.x). The benchmarks
>> do run faster in 18 benchmarks, slower on 12 and insignificant for the rest (~33
>> from memory).
> 
> "faster" or "slower" is relative: I would like to see the ?.??x
> faster/slower or percent value. Can you please share the result? I
> don't know what is the best output:
>   python3 -m performance compare centos.json fedora.json
> or the new:
>   python3 -m perf compare_to centos.json fedora.json --table --quiet
> 
> Victor
> 

All the results, including the latest are in the spreadsheet here (cited in the
analysis document) :

https://docs.google.com/spreadsheets/d/1pKCOpyu4HUyw9YtJugn6jzVGa_zeDmBVNzqmXHtM6gM/edit#gid=1548436297

Third column is the ?.??x value that you are looking for, taken directly out of
the 'pyperformance analyze' results.

I didn't know about the new options, I'll give it a spin & see if I can get a
better format.

Kind regards,

...Louis

-- 
Louis Bouchard
Software engineer, Cloud & Sustaining eng.
Canonical Ltd
Ubuntu developer                       Debian Maintainer
GPG : 429D 7A3B DD05 B6F8 AF63  B9C4 8B3D 867C 823E 7A61
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