[SciPy-Dev] disabling Accelerate on OS X

Kyle Mandli kyle.mandli@gmail....
Tue Jun 11 14:16:45 CDT 2013

Any idea what kind of performance decrease is this likely to cause
(switching from accelerate to OpenBLAS)?  I currently rely on wrapping a
Fortran routine that uses system_info to find the LAPACK libraries (via
f2py --link-lapack_opt).


On Tue, Jun 11, 2013 at 1:34 AM, Ralf Gommers <ralf.gommers@gmail.com>wrote:

> Hi,
> Given the issues we've been having with Accelerate on OS X 10.7 and 10.8,
> we plan to disable support for it completely in scipy (and numpy, will
> bring that up on numpy-discussion later) before the next release.
> Background:
> https://github.com/scipy/scipy/issues/2248
> https://github.com/scipy/scipy/issues/2547
> This will make compiling on OS X harder, but we can't leave functionality
> giving incorrect results (and ~70 test errors) hang around forever, so we
> have to do something. We'll do some testing and write up a guide for how to
> build against other BLAS/LAPACK implementations. Homebrew already supports
> OpenBLAS, so that's a good option for who doesn't want to go through
> compiling their own libraries.
> Ralf
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