does anyone have any mpi code that checks for slow pairs between mpi ranks. and no i don't me a micro benchmark that i can run a bunch of times and tabulate the results.
i mean a program i can submit with a bunch of ranks and have it test the throughput between each and spit out a result for all the pairs i need to test the pair wise throughput across a large machine. i'm seeing a strange infiniband issue where some pairs are full speed but others are not _______________________________________________ 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
