Re: FYI: optimizing certain matrix arithmetic

[Jaroslav Hajek]

On Fri, Sep 25, 2009 at 7:46 AM, Michael D Godfrey
<address@hidden> wrote:
> On 09/24/2009 10:33 PM, Shai Ayal wrote:
>
> ATLAS is an attempt to empirically optimize BLAS, and acts in as a
> replacement for the BLAS routines. As such it will provide better
> performance. AFIK matlab uses ATLAS.
>
>
> If I have BLAS/LAPACK and Altlas installed, how to I tell
> Octave what to do?
>

If you have both atlas and atlas-devel, it should be auto-discovered.
As a result, you should get something like
BLAS_LIBS=-latlas -lcblas -lf77blas

Is this not happening? If not, can you show your config.log?

-- 
RNDr. Jaroslav Hajek
computing expert & GNU Octave developer
Aeronautical Research and Test Institute (VZLU)
Prague, Czech Republic
url: www.highegg.matfyz.cz