[Numpy-discussion] Efficient square distance computation

Julian Taylor jtaylor.debian at googlemail.com
Tue Oct 8 08:40:37 EDT 2013

On Tue, Oct 8, 2013 at 1:38 PM, Ke Sun <sunk.cs at gmail.com> wrote:

> > On a machine I had access to it took about 20 minutes.
> How? I am using matrix multiplication (the same code as
> http://stackoverflow.com/a/4856692) and it runs for around 18 hours.
make sure you are using an optimized BLAS library.
e.g. with openblas I could also do this size in about 100 seconds wall time
(20 minutes cpu time).
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