[Numpy-discussion] making numpy.dot faster

Charles R Harris charlesr.harris@gmail....
Fri Oct 3 12:14:08 CDT 2008


On Fri, Oct 3, 2008 at 10:59 AM, Gael Varoquaux <
gael.varoquaux@normalesup.org> wrote:

> I am doing a calculation where one call numpy.dot ends up taking 90% of
> the time (the array is huge: (61373, 500) ).
>
> Any chance I can make this faster? I would believe BLAS/ATLAS would be
> behind this, but from my quick analysis (ldd on numpy/core/multiarray.so)
> it doesn't seem so. Have I done something stupid when building numpy
> (disclaimer: I am on a system I don't know well --Mandriva--, so I could
> very well have done something stupid).
>

What does  np.__config__.show() show?  What exactly are you multiplying?
What is the original problem?

Chuck
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