[Beowulf] Possible to perform different jobs on different nodes?

Geoff Jacobs gdjacobs at gmail.com
Tue Jun 23 19:28:53 EDT 2009


Dr Cool Santa wrote:
> Because of the software that I am using, I am forced to use MPICH1
> implementation.
> And because the softeware is programmed in such a way, most of the time,
> I don't need more than 3-5 nodes while I have 8. I just want to know
> whether it is possible for it to use the first 3 nodes for the first job
> and the next 3 for the next and so on.
> I think it is not doing so right now and whether it would be possible
> with this specific implementation is unsure.
> If I must migrate to something else I am ready, I just need to know what
> I should know from you people.

Just specify a machinefile when you do mpirun. Have the first set in the
first machinefile, run with that, and run a second job with a second
machinefile.

-- 
Geoffrey D. Jacobs
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