https://bugzilla.redhat.com/show_bug.cgi?id=1350257
--- Comment #15 from Dave Love <d.love(a)liverpool.ac.uk> ---
(In reply to benson_muite from comment #11)
OpenBLAS or ATLAS would be nice.
ATLAS, at least as packaged, is a factor of several slower for dgemm on recent
x86. (I don't know how much use petsc actually makes of BLAS, and with the
Fedora linear algebra mess it may be a lottery whether something else linked
against reference BLAS wins.)
Am looking at adding CLBLAS in future -
will there be options to allow users to choose BLAS library being used?
There should be, and the default should be the most efficient for the
architecture.
You can find a workaround at
https://loveshack.fedorapeople.org/blas-subversion.html
which links to orion's proposal for sorting things out which I, or someone
else, need to run with now.
Netlib blas is still useful for checking correct results
It also has (had) bugs, of course; see the Fedora changelog for one that
was uncovered by R, I think.
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