[SciPy-User] fancy indexation of sparse matrices is terrible slow
Tue Dec 15 08:05:46 CST 2009
thank you, it work very well now for both M and M.T
Doesn't anyone know when next scipy/numpy releases are planned (approximately, of course)?
Thank you in advance, D.
I looked at the CSR fancy indexing code and realized it was much worse
than I originally thought so I implemented a faster path in C++ for
the operation. With SciPy r6139 (
http://projects.scipy.org/scipy/changeset/6139 ) I get a considerable
improvement with a variation of your example
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