[gmx-users] does --with-external-blas --with-external-lapack work?

Erik Lindahl lindahl at sbc.su.se
Mon Nov 21 17:05:27 CET 2005


All vendors recommend that you use their tuned routines :-)

There's nothing wrong with that per se, but when it's not performance- 
sensitive we prefer not to rely on too many external libraries since  
it makes debugging a nightmare. Still, we will make sure it works as  
an option.



On Nov 21, 2005, at 3:13 PM, Jack Howarth wrote:

> Eric,
>     Apple recommends that if you need lapack or blas routines that
> vecLib be used as it is optimized for the cpu features of each  
> machine.
> http://developer.apple.com/hardware/ve/vector_libraries.html
> I am interested in benchmarking the internal rountines in gromacs
> vs Apple's. If they are the same, it seems rational to have the
> MacOS X build just use vecLib.
>              Jack
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Erik Lindahl  <lindahl at sbc.su.se>
Assistant Professor, Stockholm Bioinformatics Center
Stockholm University, SE 106 91 Stockholm
Phone: +46 8 5537 8564     Fax: +46 8 5537 8214

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