[Beowulf] MPICH vs. OpenMPI

Håkon Bugge Hakon.Bugge at scali.com
Fri May 2 07:57:40 EDT 2008


Jan,

At 14:04 25.04.2008, Jan Heichler wrote:

>You are not gonna share these benchmark results with us, right? 
>Would be very interesting to see that!


You will find them at:

http://www.scali.com/info/SHM-perf-8bytes-2007-12-20.htm
http://www.scali.com/info/SHM-perf-128bytes-2007-12-20.htm

Please note the tabs section at the bottom. You will have to use the 
horizontal scroll bar in order to see all the charts.

Also, the 8-byte URL above does not start at the first tab, which is 
slightly confusing.

The Y-Axis is sometimes time (usec), Bandwidth (1e6 bytes/sec), or 
message rate (1e6 messages per second).

The hardware is dual socket Woodcrest, 3.00GHz, dual socket 
Clovertown, 2.66 and 3.00GHz.

OS is SLES9.

And, I am aware that the version of OpenMPI is quite old.



Enjoy, Hakon





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