Re: [OMPI users] Problem with openmpi and infiniband

2008-12-25 Thread Jeff Squyres
Another thing to try is a change that we made late in the Open MPI v1.2 series with regards to IB: http://www.open-mpi.org/faq/?category=openfabrics#v1.2-use-early-completion On Dec 24, 2008, at 10:07 PM, Tim Mattox wrote: For your runs with Open MPI over InfiniBand, try using openib,s

Re: [OMPI users] sending message to the source(0) from other processors

2008-12-25 Thread Jeff Squyres
FWIW: you might want to take an MPI tutorial; they're really helpful for learning MPI's capabilities and how to use the primitives. The NCSA has 2 excellent MPI tutorials (intro and advanced); they both require free registration: http://ci-tutor.ncsa.uiuc.edu/login.php On Dec 24, 200

Re: [OMPI users] Relocating an Open MPI installation using OPAL_PREFIX

2008-12-25 Thread Jeff Squyres
It's quite possible that we don't handle this situation properly. Won't you need to libdir's (one for the 32 bit OMPI executables, and one for the 64 bit MPI apps)? On Dec 23, 2008, at 3:58 PM, Ethan Mallove wrote: I think the problem is that I am doing a multi-lib build. I have 32-bit lib