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From: Brock Palen (brockp_at_[hidden])
Date: 2007-08-23 22:24:03

You will know if it doesn't, You will have a bunch of messages about
not finding a ib card and that openMPI is falling back to another

Do all your nodes have infiniband?

Brock Palen
Center for Advanced Computing

On Aug 23, 2007, at 9:27 PM, Jeff Pummill wrote:

> I have successfully compiled Open MPI 1.2.3 against Intel 8.1 compiler
> suite and old (3 years) mvapi stack using the following configure:
> configure --prefix=/nfsutil/openmpi-1.2.3
> --with-mvapi=/usr/local/topspin/ CC=icc CXX=icpc F77=ifort FC=ifort
> Do I need to assign any particular flags to the command line
> submission
> to ensure that it is using the IB network instead of the TCP? Or
> possibly disable the Gig-E with ^tcp to see if it still runs
> successfully?
> I just want to be sure that Open MPI is actually USING the IB network
> and mvapi.
> Thanks!
> Jeff Pummill
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