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From: Robin Humble (rjh_at_[hidden])
Date: 2003-10-09 10:37:30


On Thu, Oct 09, 2003 at 01:58:20AM -0700, Harshu wrote:
>I am at loss to what is that I should specify in this section of the
>make file. I have Athlon when compiled Atlas used CBLAS option.
>I don't know what to specify to replace the existing values of mpich.

Atlas is pretty slow. The best combination we found (for P4 Xeon) was
the Intel BLAS libraries from MKL combined with this dgemm routine:
  http://www.cs.utexas.edu/users/flame/goto/

>lam-6.5.8-4

as others have pointed out a newer LAM is better, and also be sure to
use the -O option to mpirun (if you aren't running cross-architecture).

cheers,
robin