[Numpy-discussion] Speed of matrix multiplication

Stéfan van der Walt stefan@sun.ac...
Sun Apr 20 14:41:33 CDT 2008


On 20/04/2008, Keith Goodman <kwgoodman@gmail.com> wrote:
> Why is a.T*b slower than M.dot(a.T, b)? Does it take longer to parse
>  or something?

Looks like a bit of overhead.  If I change the number of elements from
500 to 500000, the difference disappears.

Regards
Stéfan


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