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[patch #7828] OpenBLAS detection in AX_BLAS

From: Steven G. Johnson
Subject: [patch #7828] OpenBLAS detection in AX_BLAS
Date: Wed, 08 Aug 2012 20:33:26 +0000
User-agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.7; rv:12.0) Gecko/20100101 Firefox/12.0


                 Summary: OpenBLAS detection in AX_BLAS
                 Project: GNU Autoconf Archive
            Submitted by: stevengj
            Submitted on: Wed 08 Aug 2012 04:33:25 PM EDT
                Priority: 5 - Normal
                  Status: None
             Assigned to: None
        Originator Email: 
             Open/Closed: Open
         Discussion Lock: Any



The attached patch modifies AX_BLAS to detect the (free-software,
BSD-licensed) OpenBLAS library, a descendant of GotoBLAS

In my tests, OpenBLAS (which includes both the Fortran BLAS and also cblas, as
well as LAPACK, in -lopenblas) has somewhat better serial and parallel
performance than ATLAS, is vastly easier to install, and has some other
advantages (e.g. OpenMP support, runtime architecture detection to switch
compute kernels, ...).  Hence my patch checks for it before ATLAS.

Steven G. Johnson


File Attachments:

Date: Wed 08 Aug 2012 04:33:25 PM EDT  Name: patch.txt  Size: 518B   By:



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