Re: [OMPI users] 50% performance reduction due to OpenMPI v 1.3.2forcing all MPI traffic over Ethernet instead of using Infiniband

[Noam Bernstein]

On Jun 24, 2009, at 11:05 AM, Jim Kress wrote:
Noam, Gus and List,

Did you statically link your openmpi when you built it?  If you did  
(the
default is NOT to do this) then that could explain the discrepancy.

Not explicitly:

env CC=gcc CXX=g++ F77=ifort FC=ifort ./configure --prefix=/share/apps/ 
mpi/openmpi-$VER/intel-11.0.083 --with-sge

                                                                                
        Noam