[Python-Dev] Python 3 optimizations continued...

[Maciej Fijalkowski]

>
> For a comparative real world benchmark I tested Martin von Loewis'
> django port (there are not that many meaningful Python 3 real world
> benchmarks) and got a speedup of 1.3 (without IIS). This is reasonably
> well, US got a speedup of 1.35 on this benchmark. I just checked that
> pypy-c-latest on 64 bit reports 1.5 (the pypy-c-jit-latest figures
> seem to be not working currently or *really* fast...), but I cannot
> tell directly how that relates to speedups (it just says "less is
> better" and I did not quickly find an explanation).
> Since I did this benchmark last year, I have spent more time
> investigating this benchmark and found that I could do better, but I
> would have to guess as to how much (An interesting aside though: on
> this benchmark, the executable never grew on more than 5 megs of
> memory usage, exactly like the vanilla Python 3 interpreter.)
>

PyPy is ~12x faster on the django benchmark FYI