[capi-sig] (was Re: Problem with reference)

Ken Hughes khughes at pacific.edu
Tue Mar 3 16:28:50 CET 2009

1) Did anyone answer the original poster's question?
2) If this is going to persist as an OT thread, change the subject line?


Stefan Behnel wrote:
> Gustavo Carneiro wrote:
>> 2009/3/3 Stefan Behnel wrote:
>>> Cython is (literally) not a wrapper generator as it will not generate a
>>> wrapper for you. You have to write it yourself. Cython is a programming
>>> language to write extension modules for CPython, as generic as that.
>> OK, but surely we can say that Cython is a code generator, or compiler.
>> [...]
>> It is more or less at the same level as Boost.Python.
>> You also have to write the wrapper code using Boost.Python yourself...
> Except that Boost.Python does not optimise the code for you, simply
> because it is a library, not a compiler. It doesn't know what called it
> with what intention. The Cython compiler can extract a lot of information
> from your code and it *will* use it to make your code run fast. For
> example, calling a Cython implemented function is very fast compared to
> normal Python, simply because we can adapt the generated code to the
> specific signature of a function, instead of relying on generic argument
> unpacking code.
> Stefan
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