On Jan 26, 2006, at 7:25 AM, etienne gondet wrote:
> Is anybody using lam to run mpi1 scientific application over more than
> 100 nodes with may be
> 400 processus for example.
>
> Is lam scaling wrl unitl such a number of nodes/processus.
I have run LAM with applications that large, but not on a regular basis.
Are you running into a specific problem?
> Or what other free mpi implementation might scale like that.
We regularly run Open MPI with 128 nodes (usually 256 processes). I
know that it has been run with larger than that (512 processes? I
don't remember offhand), but we don't [yet] test with those sizes
regularly.
--
{+} Jeff Squyres
{+} The Open MPI Project
{+} http://www.open-mpi.org/
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