What version of OMPI are you talking about? On Jul 20, 2014, at 9:11 AM, Tobias Kloeffel <tobias.kloef...@fau.de> wrote:
> Hello everyone, > > I am trying to get the maximum performance out of my two node testing setup. > Each node consists of 4 Sandy Bridge CPUs and each CPU has one directly > attached Mellanox QDR card. Both nodes are connected via a 8-port Mellanox > switch. > So far I found no option that allows binding mpi-ranks to a specific card, as > it is available in MVAPICH2. Is there a way to change the round robin > behavior of openMPI? > Maybe something like "btl_tcp_if_seq" that I have missed? > > > Kind regards, > Tobias > _______________________________________________ > 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/2014/07/24822.php