On Tue, Oct 11, 2011 at 12:41 PM, Christoph Groth <c...@falma.de> wrote: > Skipper Seabold <jsseab...@gmail.com> writes: > >> So it's the dot function being called repeatedly on smallish arrays >> that's the bottleneck? I've run into this as well. See this thread >> [1]. >> (...) > > Thanks for the links. "tokyo" is interesting, though I fear the > intermediate matrix size regime where it really makes a difference will > be rather small. My concern is in really tiny vectors, where it's not > even worth to call BLAS. >
IIUC, it's not so much the BLAS that's helpful but avoiding the overhead in calling numpy.dot from cython. >> I'd be very interested to hear if you achieve a great speed-up with >> cython+tokyo. > > I try to solve this problem in some way or other. I'll post here if I > end up with something interesting. Please do. Skipper _______________________________________________ NumPy-Discussion mailing list NumPy-Discussion@scipy.org http://mail.scipy.org/mailman/listinfo/numpy-discussion
