From: Dow Hurst (Dow.Hurst_at_mindspring.com)
Date: Fri Mar 27 2009 - 00:05:58 CDT
Just found this link which doesn't make sense to me as latency seems
more important than bandwidth for NAMD.
Dow Hurst wrote:
> We've got a couple of weeks max to finalize spec'ing a new cluster.
> Has anyone knowledge of lowering latency for NAMD by implementing a
> multi-rail IB solution using MVAPICH or Intel's MPI? My research
> tells me latency is key to scaling effectively. Has anyone cut down
> latency to below 1.0us using multi-rail IB?
> If so, what was the configuration of cards and software? Any caveats
> Anyone run NAMD on top of Appro's enhanced version of Intel's MPI in a
> multi-rail configuration?
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