[Beowulf] many cores and ib

Greg Lindahl lindahl at pbm.com
Mon May 5 16:32:41 EDT 2008


On Mon, May 05, 2008 at 10:01:42AM -0700, Gilad Shainer wrote:

> According to OSU benchmarks, InfiniHost III Ex provides >20M MPI message
> per second.

And we should all remember that this test result uses message
coalescing, which in real life will not help many-core nodes talking
to lots of other nodes. It only helps 2 nodes talking to only each
other.

I mean, you'd hate to mislead your customers about the performance of
your HCA, right? Still, you should be applauded for not only using
latency and bandwidth.

-- greg



_______________________________________________
Beowulf mailing list, Beowulf at beowulf.org
To change your subscription (digest mode or unsubscribe) visit http://www.beowulf.org/mailman/listinfo/beowulf

!DSPAM:481f6f4d114371246014193!



More information about the Beowulf mailing list