On Thu, Aug 3, 2017 at 10:10 AM, Faraz Hussain <i...@feacluster.com> wrote: > Thanks, I installed the MPI tests from Ohio State. I ran osu_bw and got the > results below. What is confusing is I get the same result if I use tcp or > openib ( by doing --mca btl openib|tcp,self with my mpirun command ). I also > tried changing the environment variable: export OMPI_MCA_btl=tcp,self,sm . > Results are the same regardless of tcp or openib.. > > And when I do ifconfig -a I still see zero traffic reported for the ib0 and > ib1 network.
if openmpi uses RDMA for the traffic ib0/ib1 will not show traffic, you have to use perfquery _______________________________________________ Beowulf mailing list, Beowulf@beowulf.org sponsored by Penguin Computing To change your subscription (digest mode or unsubscribe) visit http://www.beowulf.org/mailman/listinfo/beowulf
