[Bug 739398] Review Request: openblas - An optimized BLAS library based on GotoBLAS2

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Product: Fedora
https://bugzilla.redhat.com/show_bug.cgi?id=739398

--- Comment #24 from Susi Lehtola <susi.lehtola@xxxxxx> ---
Then ATLAS does it wrong.

Putting the choice on system level is giving you the choice between a hammer
and a sledgehammer, when you might want to use a hammer for some things and the
sledgehammer for others.

I'd very much prefer to be able to install both a serial and an OpenMP version
at the same time and compile my programs so that the serial version uses a
serial version of OpenBLAS, and the OpenMP version uses an OpenMP version of
OpenBLAS.

The alternative is that both use the serial version (screw up parallel runs'
performance), or that both use the parallel version (screw up job balancing).

Now, this could of course be solved with environment modules, but I do think
that the compile-time choice is the best one. After all, the threads-version of
libopenblas has a different soname by default!

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