[Beowulf] Network benchmark - MPI

Joshua Baker-LePain jlb17 at duke.edu
Thu Jul 1 13:38:46 PDT 2004

On Thu, 1 Jul 2004 at 12:49pm, Jonathan Michael Nowacki wrote

> Just wondering, if their is a benchmark or program that I can use to test
> the maximum bandwidth of a cluster from node to node, or all nodes
> communicating to the master node.  I'm thinking any kind of bandwidth test
> will do, but the purpose is to see how much traffic a 40 node cluster can
> take when running MrBayes (a MPI program).

Netpipe <http://www.scl.ameslab.gov/netpipe/> will test node-to-node 
bandwidth -- both raw TCP and using MPI.  Very handy.

Joshua Baker-LePain
Department of Biomedical Engineering
Duke University

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