[Python-Dev] Python 3.3 vs. Python 2.7 benchmark results (again, but this time more solid numbers)

Maciej Fijalkowski fijall at gmail.com
Sat Nov 3 15:48:25 CET 2012


On Fri, Nov 2, 2012 at 8:42 PM, Brett Cannon <brett at python.org> wrote:
> Issue filed for the performance issue: http://bugs.python.org/issue16390
>
> With that change and running on tip of Mako on my laptop now reports 1.25x
> slower which is much better than it was. This performance issue might also
> explain why all of the regex compilation benchmarks are worse under Python
> 3.3 by a decent margin.
>
> On Fri, Nov 2, 2012 at 2:16 PM, Philip Jenvey <pjenvey at underboss.org> wrote:
>>
>> lru_cache on re._compile_typed

I would like to warn you about modifying benchmarks like this (or
frameworks). Why is it relevant anyway?


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