[Beowulf] IB DDR: mvapich2 vs mvapich performance
kus at free.net
Wed Apr 23 12:30:35 PDT 2008
In message from Greg Lindahl <lindahl at pbm.com> (Wed, 23 Apr 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%
>> 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?
Significantly - of course, not :-)
But our application is really bounded by throughput !
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