[torqueusers] strange behaviour of ppn
samuel at unimelb.edu.au
Tue Nov 23 19:41:00 MST 2010
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On 24/11/10 03:22, Govind wrote:
> So it looks like me it run the tasks only on single slot out of 4 slots.
Which MPI are you using ? Does it now how to talk to Torque ?
If it doesn't then you'll need to tell it to use the
$PBS_NODEFILE as the list of nodes to run the job on.
But it's much better to use something like Open-MPI or
the OSC mpiexec which do know how to talk to Torque about
launching jobs, then you won't have to tell it how many
processess to run or where they should go.
All the best,
Christopher Samuel - Senior Systems Administrator
VLSCI - Victorian Life Sciences Computational Initiative
Email: samuel at unimelb.edu.au Phone: +61 (0)3 903 55545
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