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: > Hello! > > 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 > _______________________________________________ > users mailing list > us...@open-mpi.org > http://www.open-mpi.org/mailman/listinfo.cgi/users
