[Python-Dev] Help requested with Python 2.7 performance regression (original) (raw)
Louis Bouchard louis.bouchard at canonical.com
Wed Mar 1 16:04:07 EST 2017
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Hello,
Le 01/03/2017 à 20:40, Antoine Pitrou a écrit :
On Wed, 1 Mar 2017 20:24:03 +0100 Louis Bouchard <louis.bouchard at canonical.com> wrote:
Indeed, this is something that is in the history of the LP bug so here is the URL where those comparison can be found : https://docs.google.com/spreadsheets/d/1MyNBPVZlBeic1OLqVKebcPk2deOpQs9trIfOFefM0/edit#gid=2034603487 Some more questions: * what does "faster" or "slower" mean (that is, which one is faster)? * is it possible to have actual performance differences in percent? being 2% slower is not the same as being 30% slower...
This means that the second element of the test is slower than the first. For instance if the test is Trusty stock .vs. Xenial stock and it shows slower, it means that Xenial stock is slower than Trusty stock.
This is directly taken from the output of "pyperformance compare". The third column of each comparison (1.x) gives the proportion figure of the test.
A test that shows slower 1.14 is 14% slower.
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
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