Yes Ralph, that is correct. ________________________________________ From: users <users-boun...@open-mpi.org> on behalf of Ralph Castain <r...@open-mpi.org> Sent: Friday, January 15, 2016 11:32 AM To: Open MPI Users Subject: [EXT] Re: [OMPI users] Openmpi 1.8.8 and affinty
Let me first check to see if I understand the question. You are running lsf and launching more than 1 job on the same node. You want the jobs to restrict themselves to a set of cores that have been assigned to them by lsf so they avoid overloading procs onto the same cores. Is that an accurate statement? > On Jan 15, 2016, at 6:53 AM, twu...@goodyear.com wrote: > > In the past (v 1.6.4-) we used mpirun args of > > --mca mpi_paffinity_alone 1 --mca btl openib,tcp,sm,self > > with lsf 7.0.6, and this was enough to make cores not be oversubscribed when > submitting 2 or more jobs to the same node. > > Now I am using 1.8.8 and thus far don't have the right combination of args to > make sure cores don't oversubscribe. > > I am currently using: > > -report-bindings --map-by core --bind-to core --nooversubscribe --mca btl > openib,tcp,sm,self > > Do I have the incorrect options or am I missing an option? > > Thanks for any info > > tom > _______________________________________________ > 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/2016/01/28288.php _______________________________________________ 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/2016/01/28293.php
