MPICH Question
Brandon George
bcg at ou.edu
Tue Jul 22 10:58:12 EDT 2003
On Tue, Jul 22, 2003 at 10:42:19AM -0400, Alex DeCaria wrote:
> I have a question about using MPICH. I probably have no business asking you
> this question since I'm not using mpiexec, but I 've had no luck getting
> answers elsewhere, and hope you can help.
>
> I have installed MPICH on my shared-memory processor (a Dell Enterprise
> server with 4-Xeon 2.4 GHz processors, running Red Hat Linux). I configured
> it using the "--with-device=ch_p4" and "--with-comm=shared options".
> However, when using mpirun my applications are still running in
> distributed-memory mode, rather than shared-memory mode.
>
> Any ideas what may be wrong?
>
> Any help you can give me is greatly appreciated, and thanks for your time.
>
> Sincerely,
>
> Alex DeCaria
> Department of Earth Sciences
> P.O. Box 1002
> Millersville University
> Millersville, PA 17551-0302
> (717) 871-4739
>
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> mpiexec at osc.edu
> http://email.osc.edu/mailman/listinfo/mpiexec
Hi Alex,
I think you are looking for --with-device=ch_shmem.
-brandon
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