[Beowulf] Performance characterising a HPC application

Greg Lindahl greg.lindahl at qlogic.com
Wed Mar 21 02:09:58 EDT 2007


On Wed, Mar 21, 2007 at 12:05:14AM -0400, Mark Hahn wrote:

> http://www.sharcnet.ca/~hahn/m-g.C is a benchmark I'm working on.  it's 
> mainly set up to just probe bw and latency for every pair of nodes in a 
> cluster (obviously diagnostic).

... which is what the nxnlatbw microbenchmark distributed with MPICH
does.  Perhaps you have other things in mind. But, how about a
microbenchmark that does what actual programs do?

-- greg

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