Look at "mpirun -h" or "man mpirun" - you'll see options for binding processes to cores etc.
On Jul 8, 2011, at 10:13 AM, Vlad Popa wrote:
> We habe a shared memory system based on 4CPUs of 12-core Opteron with a total of 256Gb RAM .
> Are there any switches, which we could set , so that when running mpirun-jobs we'd be able to pin them down to a defined certain memory area and defined processor cores so that they stay there?
> best regards
> Vlad Popa
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