[pypy-dev] Performance challenge of mutating class variables

[Armin Rigo]

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.


A bientôt,

Armin.