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PETSc lib performance tuning

To: petsc-users@mcs.anl.gov
Subject: PETSc lib performance tuning
From: abdul-rahman@tu-harburg.de
Date: Fri, 24 Feb 2006 14:14:31 +0100 (MET)
Reply-to: petsc-users@mcs.anl.gov
Sender: owner-petsc-users@mcs.anl.gov

Hi all,

I have a couple questions about the PETSc performance:

Does having ATLAS ( math-atlas.sourceforge.net ) help ? If so how do I
hook it to PETSc ?

How do I best customize the compiler flags? Should I edit the
variables directly in petscconf, or can I do it with configure ?


Thanks,

Razi

Follow-Ups:
- Re: PETSc lib performance tuning
  - From: Berend van Wachem <berend@chalmers.se>
- Re: PETSc lib performance tuning
  - From: Satish Balay <balay@mcs.anl.gov>

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