From: Thomas Albers (talbers_at_binghamton.edu)
Date: Wed Jun 15 2011 - 10:01:00 CDT
On 6/15/2011 10:37 AM, Norman Geist wrote:
> Well I have a TCP version, and yes tcp congestion control highspeed made a
> big deference in scaling behavior on my cluster. Maybe try out. What is the
> ping time of your cluster?
While running the ApoA1 benchmark on 18 cores, 4 computers:
--- ferrari ping statistics ---
51 packets transmitted, 51 received, 0% packet loss, time 50011ms
rtt min/avg/max/mdev = 0.035/0.489/4.324/0.918 ms
no load:
--- ferrari ping statistics ---
11 packets transmitted, 11 received, 0% packet loss, time 9999ms
rtt min/avg/max/mdev = 0.052/0.052/0.054/0.007 ms
Thomas
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