[Swift-user] Passing hostType for MPI jobs

Ben Clifford benc at hawaga.org.uk
Wed Jul 2 14:10:56 CDT 2008


On Wed, 2 Jul 2008, Andriy Fedorov wrote:

> Ok, I tried that. It indeed allocates correct number of the requested
> hosts. But, there's still a problem. It appears that only one instance
> of the executable is running, at least when I specify jpbType to mpi.

Specify jobType=single. Don't specify jobtype=mpi. Then in your 
executable, use mpirun. The idea is to make GRAM run only a single job, 
and use mpirun to launch the executables. Look at mpi.sh in the example 
that I posted.

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