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

[Maciej Fijalkowski]

On Fri, Sep 2, 2011 at 9:20 PM, Stefan Behnel <stefan_ml at behnel.de> wrote:
> Maciej Fijalkowski, 02.09.2011 20:42:
>>>
>>> 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).
>>
>> PyPy is ~12x faster on the django benchmark FYI
>
> FYI, there's a recent thread up on the pypy ML where someone is complaining
> about PyPy being substantially slower than CPython when running Django on
> top of SQLite. Also note that PyPy doesn't implement Py3 yet, so the
> benchmark results are not comparable anyway.

Yes, sqlite is slow. It's also much faster in trunk than in 1.6 and
there is an open ticket about it :)

The "django" benchmark is just templating, so it does not involve a database.