[pypy-dev] Performance challenge of mutating class variables

Maciej Fijalkowski fijall at gmail.com
Tue May 17 14:11:33 CEST 2011


On Tue, May 17, 2011 at 1:57 PM, Armin Rigo <arigo at tunes.org> wrote:
> Hi Maciej,
>
> On Tue, May 17, 2011 at 1:43 PM, Maciej Fijalkowski <fijall at gmail.com> wrote:
>> Might be CPython 2.6 vs CPython 2.7? There were significant GC changes
>> in 2.7, especially when it comes to O(n^2) behavior.
>
> I must have messed up my measures.  It's true that Python 2.7 is twice
> as fast as Python 2.6 in this particular example, but PyPy is still
> much faster than both.

Which reminds me that we should *really* start running python 2.7 as a
baseline python

>
>
> A bientôt,
>
> Armin.
>


More information about the pypy-dev mailing list