[Swift-user] Passing hostType for MPI jobs

[Andriy Fedorov]

On Wed, Jul 2, 2008 at 3:10 PM, Ben Clifford <benc at hawaga.org.uk> wrote:
>
> 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.
>

I was referring to using GT4 GRAM directly -- no Swift. What is
happening doesn't seem right to me. Not that this is the right place
to talk about GRAM issues, just reporting my experience.

> --
>