[Pyrex] pyrex or not pyrex

[Andreas Kostyrka]

Pyrex bindings are "pure" C bindings.

The only differences are:
- Pythonlike syntax.
- support for some autmatic code generation.

Basically, if you decide that you need 100% speed you can declare all Python/C API calls in Pyrex and write your inner loop with these. Hint: it's usually not worth the bother.

So I'd stick with Pyrex till you have very strong indications that you want C. Plus Pyrex is a magnitude easier than the C Python API, 

Andreas
-- Ursprüngl. Mitteil. --
Betreff:	[Pyrex] pyrex or not pyrex
Von:	william at opensource4you.com
Datum:		03.07.2007 19:58

Hi all,

I'm currently building a bunch of python code around libevent
(http://www.opensource4you.com/cgi-bin/gitweb.cgi?p=fapws/.git;a=summary).

My goals is t get the best out of the fabulous libevent library.

As you see (http://william-os4y.livejournal.com/), my main concerns are
performance, performance and again performance.

In that context I would like to better use the new libevent functionality,
methods, ...

My concern is how to make them available in python and keep the best
performance.

Should I continue with pyrex and improve the pyevent
(http://code.google.com/p/pyevent/) developped by dugsong ?
Does pyrex has big impact on the overall performance ?
Does some of you have comparisons between pure c-bindings integration
versus pyrex ?

Before investing time in it, I would got your recommendations ?

Many thanks.

William





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