PETSc lib performance tuning

abdul-rahman at abdul-rahman at
Fri Feb 24 09:09:11 CST 2006

I asked:

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

OK. I found this out. It's quite obvious :)

 ./config/ --help  gives _lots_ of helpful info.

On Fri, 24 Feb 2006, Berend van Wachem wrote:

> Hi Razi,
> I have tested both atlas and other blas/lapack and found small effects
> on linux.

Thanks a lot Berend. If that's so I'll leave it out for now.


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