[Cython] speed.pypy.org

Robert Bradshaw robertwb at math.washington.edu
Tue Apr 26 19:52:37 CEST 2011

On Tue, Apr 26, 2011 at 7:50 AM, Stefan Behnel <stefan_ml at behnel.de> wrote:
> Stefan Behnel, 15.04.2011 22:20:
>> Stefan Behnel, 11.04.2011 15:08:
>>> I'm currently discussing with Maciej Fijalkowski (PyPy) how to get Cython
>>> running on speed.pypy.org (that's what I wrote "cythonrun" for). If it
>>> works out well, we may have it up in a couple of days.
>> ... or maybe not. It may take a little longer due to lack of time on his
>> side.
>>> I would expect that Cython won't be a big winner in this game, given that
>>> it will only compile plain untyped Python code. It's also going to fail
>>> entirely in some of the benchmarks. But I think it's worth having it up
>>> there, simply as a way for us to see where we are performance-wise and to
>>> get quick (nightly) feed-back about optimisations we try. The benchmark
>>> suite is also a nice set of real-world Python code that will allow us to
>>> find compliance issues.
>> Ok, here's what I have so far. I fixed a couple of bugs in Cython and got
>> at least some of the benchmarks running. Note that they are actually
>> simple
>> ones, only a single module. Basically all complex benchmarks fail due to
>> known bugs, such as Cython def functions not accepting attribute
>> assignments (e.g. on wrapping). There's also a problem with code that uses
>> platform specific names conditionally, such as WindowsError when running
>> on
>> Windows. Cython complains about non-builtin names here. I'm considering to
>> turn that into a visible warning instead of an error, so that the name
>> would instead be looked up dynamically to let the code fail at runtime
>> *iff* it reaches the name lookup.
>> Anyway, here are the numbers. I got them with "auto_cpdef" enabled,
>> although that doesn't even seem to make that a big difference. The
>> baseline
>> is a self-compiled Python 2.7.1+ (about a month old).
> [numbers stripped]
> And here's the shiny graph:
> https://sage.math.washington.edu:8091/hudson/job/cython-devel-benchmarks-py27/lastSuccessfulBuild/artifact/chart.html
> It gets automatically rebuilt by this Hudson job:
> https://sage.math.washington.edu:8091/hudson/job/cython-devel-benchmarks-py27/

Cool. Any history stored/displayed?

- Robert

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