[OMPI users] SpMV Benchmarks

2011-05-05 Thread Paul Monday (Parallel Scientific)
Hi, I'm hoping someone can help me locate a SpMV benchmark that runs w/ Open MPI so I can benchmark how my systems are interacting with the network as I add nodes / cores to the pool of systems. I can find SpMV benchmarks for single processor / OpenMP all over, but these networked ones are

Re: [OMPI users] btl_openib_cpc_include rdmacm questions

2011-05-05 Thread Brock Palen
Yeah we have ran into more issues, with rdmacm not being avialable on all of our hosts. So it would be nice to know what we can do to test that a host would support rdmacm, Example: -- No OpenFabrics connection schemes

Re: [OMPI users] All processes have id 0 of 1

2011-05-05 Thread Ralph Castain
Usually that means you have a mismatch in your OMPI versions - you may have built the app with one version and are running it against another, for example, or perhaps compiled them against MPICH and run them using OMPI's mpirun/mpiexec. On Thu, May 5, 2011 at 1:23 PM, Bartłomiej W

[OMPI users] All processes have id 0 of 1

2011-05-05 Thread Bartłomiej W
Hello When I run multiple processes on one machine, all of them get rank 0 and size 1 no matter how many I set. Exactly same installation works fine on different machine, what can be wrong? Regards Bartlomiej Wach

Re: [OMPI users] configure: mpi-threads disabled by default

2011-05-05 Thread Mark Dixon
On Wed, 4 May 2011, Eugene Loh wrote: Depending on what version you use, the option has been renamed --enable-mpi-thread-multiple. Anyhow, there is widespread concern whether the support is robust. The support is known to be limited and the performance poor. Thanks :) I absolutely see why