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[Octave-bug-tracker] [bug #43246] On Mac, should use the Accelerate BLAS

From: Carlo de Falco
Subject: [Octave-bug-tracker] [bug #43246] On Mac, should use the Accelerate BLAS by default
Date: Thu, 18 Sep 2014 08:49:31 +0000
User-agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.9; rv:32.0) Gecko/20100101 Firefox/32.0

Update of bug #43246 (project octave):

                  Status:                    None => Invalid                
             Open/Closed:                    Open => Closed                 


Follow-up Comment #1:

> The Apple BLAS is several times faster on Apple hardware than > OpenBLAS,
and more than 10x faster (on those operations where > the BLAS or lapack are
used) than without an external BLAS. 

Do you have experimental evidence to confirm these figures in Octave?
Are you comparing to reference BLAS/LAPACK or to ATLAS/OpenBLAS?

If you want to run comparisons you could use the binary Octave 3.8.0
distribution available on OctaveForge which is linked against ATLAS.

Anyway, framework Accelerate has been known for years to not
work properly when linked to Octave, causing a large number
of tests to fail when running "make check". What is the result of
"make check" for your build?

Finally, you have been submitting to this tracker a whole bunch of
comments/suggestions that are not really bugs, please stop!

If you want to discuss these topics further please use the maintainers mailing


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