If you require that a specific rank go to a specific core, then use the rankfile mapper - you can see explanations on the syntax in "man mpirun"
If you just want mpirun to respect an external cpuset limitation, it already does so when binding - it will bind within the external limitation On Aug 18, 2013, at 6:09 AM, Siddhartha Jana <siddharthajan...@gmail.com> wrote: > So my question really boils down to: > How does one ensure that mpirun launches the processes on the "specific" > cores that are expected of them to be bound to. > As I mentioned, if there were a way to specify the cores through the > hostfile, this problem should be solved. > > Thanks for all the quick replies, > -- Sid > > On 18 August 2013 09:04, Siddhartha Jana <siddharthajan...@gmail.com> wrote: > Thanks John. But I have an incredibly small system. 2 nodes - 16 cores each. > 2-4 MPI processes. :-) > > On 18 August 2013 09:03, John Hearns <hear...@googlemail.com> wrote: > You really should install a job scheduler. > There are free versions. > > I'm not sure about cpuset support in Gridengine. Anyone? > > > _______________________________________________ > users mailing list > us...@open-mpi.org > http://www.open-mpi.org/mailman/listinfo.cgi/users > > > _______________________________________________ > users mailing list > us...@open-mpi.org > http://www.open-mpi.org/mailman/listinfo.cgi/users
