[MPICH] mpich2-1.0.5, ch3:ssm, pathscale on opteron

[Rajeev Thakur]

Try using the ch3:nemesis device. It will also do shared memory within a
node and TCP across nodes. I don't know if it will work with the Pathscale
compiler, but you can try.

Rajeev


> -----Original Message-----
> From: owner-mpich-discuss at mcs.anl.gov 
> [mailto:owner-mpich-discuss at mcs.anl.gov] On Behalf Of Miguel Oliveira
> Sent: Thursday, January 25, 2007 3:35 AM
> To: mpich-discuss at mcs.anl.gov
> Subject: [MPICH] mpich2-1.0.5, ch3:ssm, pathscale on opteron
> 
> Dear all,
> 
> I'm setting up an opteron cluster and I'm having problems with the 
> communication device ch3:ssm.
> If I force a job to have only one process per node it runs 
> smoothly but 
> with more than one it simply
> grinds to a halt.
> 
> According to the manual this communication device is not 
> guaranteed to 
> work for everybody so I just
> wanted to know if someone has managed to get it going, and 
> what needs to 
> be done in this case,
> with mpich2-1.0.5 with pathscale:
> 
> PathScale EKOPath(TM) Compiler Suite: Version 2.5
> Built on: 2006-08-22 21:02:51 -0700
> Thread model: posix
> GNU gcc version 3.3.1 (PathScale 2.5 driver)
> 
> on an opteron cluster:
> 
> Dual Core AMD Opteron(tm) Processor 275
> 
> 
> All the best,
> 
> MAO,
> LIP-Coimbra
> Portugal
> 
>