[Beowulf] HPL Benchmarking and Optimization

Tom Elken tom.elken at qlogic.com
Wed Apr 2 16:30:32 EDT 2008


 
> -----Original Message-----
> From: beowulf-bounces at beowulf.org 
> [mailto:beowulf-bounces at beowulf.org] On Behalf Of Ellis Wilson
> 
> I'll likely try MKL soon for the Intel processors I'm
> interested in.

Good idea.  

You might also want to try "Goto BLAS" (Google that to find the free
download site).  It can be compiled for a different architecture a lot
quicker than ATLAS, and provides very good performance for both Intel
and AMD architectures.

As you may have already found, once you are using a good BLAS library
with HPL, various compilers or compiler options won't make much
difference in performance.

-Tom

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