[Beowulf] IB DDR: mvapich2 vs mvapich performance

Greg Lindahl lindahl at pbm.com
Wed Apr 23 00:36:44 PDT 2008

On Wed, Apr 23, 2008 at 07:04:51AM +0400, Mikhail Kuzminsky wrote:

> Is this throughput difference the result of MPI-2 vs MPI 
> implementation or should I beleive that this difference (about 4% for 
> my mvapich vs mvapich2 at SC'07 ) is not significant  - in the sense 
> that it is simple because of some measurement errors (inaccuracies)? 

I dunno, does it help your real applications?

-- greg

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