Scenario 2: --map-by ppr:12:node,span --bind-to core will put 12 procs on each node, load balanced across the sockets, each proc bound to 1 core
HTH Ralph On Wed, Jul 1, 2015 at 2:42 PM, Saliya Ekanayake <esal...@gmail.com> wrote: > Hi, > > I am doing some benchmarks and would like to test the following two > scenarios. Each machine has 4 sockets each with 6 cores (lstopo image > attached). > > Scenario 1 > --- > Run 12 procs per node each bound to 2 cores. I can do this by --map-by > socket:PE=2 > > Scenario 2 > Run 12 procs per node each bound to just 1 core. This is what I don't know > how to do, because if I do --map-by socket:PE=1 then mpirun will put more > than 12 procs per node as it can do so. > > I'd appreciate any help on this. > > Thank you, > Saliya > > -- > Saliya Ekanayake > Ph.D. Candidate | Research Assistant > School of Informatics and Computing | Digital Science Center > Indiana University, Bloomington > Cell 812-391-4914 > http://saliya.org > > _______________________________________________ > users mailing list > us...@open-mpi.org > Subscription: http://www.open-mpi.org/mailman/listinfo.cgi/users > Link to this post: > http://www.open-mpi.org/community/lists/users/2015/07/27239.php >