[Beowulf] Measuring port to port latency

Michael Will mwill at penguincomputing.com
Thu Sep 20 13:05:06 PDT 2007


Pallas ?

Sent from my GoodLink synchronized handheld (www.good.com)


 -----Original Message-----
From: 	Carsten Aulbert [mailto:carsten.aulbert at aei.mpg.de]
Sent:	Thursday, September 20, 2007 04:30 AM Pacific Standard Time
To:	Beowulf Mailing List
Subject:	[Beowulf] Measuring port to port latency

Hi,

since the rush of emails seems to be over right now, I would like to
start another thread. How are you measuring port to port latency in your
network easily?

So far, I have found a small MPI-pingpong code at

http://cluster.fisica.unam.mx/curso/mpi_intro/para_pingpong.html

as well as netpipe at

http://www.scl.ameslab.gov/Projects/Netpipe/

They look fine on their own, but since I'm just starting, any opinions?

Cheers

Carsten
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