On Mon, 24 Feb 2003, Carlos Vasco Ortiz wrote:
> I have just installed an oscar cluster, and now we are concerned with
> mpi codes. In our previous cluster we have used pbs+mpiexec to run MPI
> codes with MPICH (mpiexec allows pbs to be aware of the multiple jobs
> launched by mpi), but in the oscar cluster, mpiexec it is not installed,
> and the procedure would involve to reinstall a new pbs again. How do you
> use mpi+pbs?. LAM MPI shares with MPICH the problem of launching
> multiple jobs in pbs?.
You do not *need* to have mpiexec installed to run MPI jobs on an OSCAR
cluster. It is true that there are certain advantages that mpiexec
offers, but you can certainly use the "native" execution mechanisms of
both LAM/MPI and/or MPICH to run parallel jobs just fine.
The LAM/MPI and MPICH PBS test scripts in
packages/lam/testing/pbs_script.lam and
packages/mpich/testing/pbs_script.mpich both provide examples of how to
run MPI jobs under PBS.
--
{+} Jeff Squyres
{+} [EMAIL PROTECTED]
{+} http://www.lam-mpi.org/
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