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Joachim Worringen joachim at ccrl-nece.deThu Feb 10 01:15:54 PST 2005
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Patrick Geoffray wrote: > Seriously, here are MPI latencies with MX on F cards on Opteron (PCI-X), > that includes fibers and a switch in the middle: > > Length Latency(us) Bandwidth(MB/s) > 0 2.684 0.000 [...] Nice work, Patrick - but such numbers are of little value if the benchmark used to get them is not stated. I'd recommend mpptest (from MPICH). Plus, the compiler etc. is also of interest when it comes to latencies. Joachim -- Joachim Worringen - NEC C&C research lab St.Augustin fon +49-2241-9252.20 - fax .99 - http://www.ccrl-nece.de
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