Hi Armin
> I would say that in this case, keeping your module in C with a > C-friendly API is the most future-proof solution I can think of. That > means so far --- with today's tools --- that you need to wrap it > twice, as a CPython C extension module and as a pure Python ctypes, in > order to get good performance on both CPython and PyPy. > Thanks, that's a very helpful conclusion and actually a perfectly workable solution for now. I will keep a close eye on the blog for future developments in this area, and I certainly hope that I will be able to make the switch soon. Let me just tie this up by thanking you all for your extensive and very helpful replies. It's been a very enlightening discussion. Much obliged, Gertjan
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