[SciPy-user] Fastest python extension for tiny functions?
oliphant.travis at ieee.org
Sun Dec 3 00:09:44 CST 2006
> While weave.inline has been rocking my world for most applications, on
> my computer the gateway alone seems to take about 1s per 100k calls,
> which is quite a bit of overhead for functions this small. Could anyone
> help me figure out which python-to-C method (swig, boost::python, etc)
> is fastest for tiny functions? I know ahead of time what types all the
> arguments will be.
The fastest interface is going to be hand-written. Other than that, my
experience shows that ctypes and pyrex (and weave) are comparable to
each other (and not much slower than hand-written at that).
All of my experience, however, is on functions that do a reasonably
large amount of work.
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