[Numpy-discussion] Default builds of OpenBLAS development branch are now fork safe

Sturla Molden sturla.molden at gmail.com
Thu Feb 20 08:28:52 EST 2014

Will this mean NumPy, SciPy et al. can start using OpenBLAS in the
"official" binary packages, e.g. on Windows and Mac OS X? ATLAS is slow and
Accelerate conflicts with fork as well. 

Will dotblas be built against OpenBLAS? AFAIK, it is only buit against
ATLAS or MKL, not any other BLAS, but it should just be a matter of
changing the build/link process.


Nathaniel Smith <njs at pobox.com> wrote:
> Hey all,
> Just a heads up: thanks to the tireless work of Olivier Grisel, the
> OpenBLAS development branch is now fork-safe when built with its default
> threading support. (It is still not thread-safe when built using OMP for
> threading and gcc, but this is not the default.)
> Gory details: <a
> href="https://github.com/xianyi/OpenBLAS/issues/294">https://github.com/xianyi/OpenBLAS/issues/294</a>
> Check it out - if it works you might want to consider lobbying your
> favorite distro to backport it.
> -n
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