[Beowulf] 10G networking?
landman at scalableinformatics.com
Fri Jan 23 09:04:41 PST 2015
On 01/23/2015 12:03 PM, Gavin W. Burris wrote:
>> min packet ping-pong latency is the standard metric, though packets/sec
>> rate might be interesting as well.
> # ping -q -s 1 -f hpcc001-i -c 1000000
> 1000000 packets transmitted, 1000000 received, 0% packet loss, time 47132ms
> ipg/ewma 0.047/0.000 ms
> 1000000/47132 = 21.217 packets/ms
> Good? Bad? Meh?
Don't use ping for HPC latency/throughput tests.
Joseph Landman, Ph.D
Founder and CEO
Scalable Informatics, Inc.
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