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

Louis Bouchard louis.bouchard at canonical.com
Fri Mar 3 10:27:24 EST 2017


Hello,

Le 03/03/2017 à 15:37, Louis Bouchard a écrit :
> 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.

All the benchmark data using the new format have been uploaded to the
spreadsheet. Each sheet is prefixed with pct_.

HTH,

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


More information about the Python-Dev mailing list