2009/5/7 Dag Sverre Seljebotn <da...@student.matnat.uio.no> > Stéfan van der Walt wrote: > > 2009/5/7 Chris Colbert <sccolb...@gmail.com>: > >> This was really my first attempt at doing anything constructive with > Cython. > >> It was actually unbelievably easy to work with. I think i spent less > time > >> working on this, than I did trying to find an optimized solution using > pure > >> numpy and python. > > > > One aspect we often overlook is how easy it is to write a for-loop in > > comparison to vectorisation. Besides, for-loops are sometimes easier > > to read as well! > > > > I think the Cython guys are planning some sort of templating, but I'll > > CC Dag so that he can tell us more. > > We were discussing how it would/should look like, but noone's committed > to implementing it so it's pretty much up in the blue I think -- someone > might jump in and do it next week, or it might go another year, I can't > tell. > > While I'm here, also note in that code Chris wrote that you want to pay > attention to the change of default division semantics on Cython 0.12 > (especially for speed). > > http://wiki.cython.org/enhancements/division >
Hi Dag, Numpy can now do separate compilations with controlled export of symbols when the object files are linked together to make a module. Does Cython have anyway of controlling the visibility of symbols or should we just include the right files in Numpy to get the needed macros? Chuck
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