Re: [OMPI users] Information about multi-path on IB-based systems

2008-01-28 Thread Jeff Squyres
On Jan 23, 2008, at 3:12 PM, David Gunter wrote: Do I need to do anything special to enable multi-path routing on InfiniBand networks? For example, are there command-line arguments to mpiexec or the like? It depends on what you mean by multi-path routing. For each MPI peer pair (e.g., pro

[OMPI users] Information about multi-path on IB-based systems

2008-01-23 Thread David Gunter
Do I need to do anything special to enable multi-path routing on InfiniBand networks? For example, are there command-line arguments to mpiexec or the like? Thanks, david -- David Gunter HPC-3: Parallel Tools Team Los Alamos National Laboratory