[mpich-discuss] mpiexec.hydra binding for multiple compute nodes

Martin Cuma martin.cuma at utah.edu
Mon May 11 17:09:17 CDT 2015


I would also do
#SBATCH -n 32

since if you do
#SBATCH -n 40

and then run
mpiexec -np 32, Slurm will put 20 tasks on node 0 and 12 on node 1.

With the #SBATCH -n 32, Slurm will give you a node with 16 or more cores, 
so, 20 core node will be used if core count <20 is not available..


Martin Cuma
Center for High Performance Computing
Department of Geology and Geophysics
University of Utah

discuss mailing list     discuss at mpich.org
To manage subscription options or unsubscribe:

More information about the discuss mailing list