[Beowulf] MPI-2 communication performance on gigabit clusters

Sarah Webster sarahw at cse.unsw.edu.au
Fri Apr 1 02:27:43 EST 2005




Hello,

I am a research student investigating MPI-2 communication primitives 
performance on commodity clusters. I've been looking for 
information/advice on how programs that run on gigabit clusters are 
penalised by the slow communication infrastructure, and ways to avoid this 
penalty. I've seen similar work using the infiniband and myrinet 
networking technologies. In particular I'm looking at one-sided 
communication.

Any advice on where I can find information/statistics on the performance 
of mpich2 or LAM MPI one-sided communication primitives?

Thanks,
Sarah
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