[Numpy-discussion] MKL and OpenBLAS

Carl Kleffner cmkleffner at gmail.com
Sun Feb 2 07:25:19 EST 2014

Concerning numpy-MKL licence I refer to this question on the Intel Forum:

http://software.intel.com/en-us/forums/topic/328344  "Question on
Redistribution related to numpy/scipy"

In the case of numpy-MKL the MKL binaries are statically linked to the
pyd-files. Given the usefulness, performance and robustness of the
MKL-based binaries a definite answer to this question would be desirable.
Say: "Can I use and re-redistribute a product with a precompiled numpy-MKL
in a commercial enviroment without the need to by a Intel licence?


2014-01-26 Dinesh Vadhia <dineshbvadhia at hotmail.com>:

>  This conversation gets discussed often with Numpy developers but since
> the requirement for optimized Blas is pretty common these days, how about
> distributing Numpy with OpenBlas by default?  People who don't want
> optimized BLAS or OpenBLAS can then edit the site.cfg file to add/remove.
> I can never remember if Numpy comes with Atlas by default but either way,
> if using MKL is not feasible because of its licensing issues then Numpy
> has to be re-compiled with OpenBLAS (for example).  Why not make it easier
> for developers to use Numpy with an in-built optimized Blas.
> Btw, just in case some folks from Intel are listening:  how about
> releasing MKL binaries for all platforms for developers to do with it what
> they want ie. free.  You know it makes sense!
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