[Beowulf] IB DDR: mvapich2 vs mvapich performance
kyron at neuralbs.com
Wed Apr 23 16:48:04 EDT 2008
Mikhail Kuzminsky wrote:
> In message from Greg Lindahl <lindahl at pbm.com> (Wed, 23 Apr 2008
> 00:36:44 -0700):
>> 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
>> I dunno, does it help your real applications?
> Significantly - of course, not :-) But our application is really
> bounded by throughput !
Throughput or latency?
>> -- greg
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