Re: [OMPI users] MPI process dies with a route error when using dynamic process calls to connect more than 2 clients to a server with InfiniBand

2010-07-18 Thread Philippe
Ralph, thanks for investigating. I've applied the two patches you mentioned earlier and ran with the ompi server. Although i was able to runn our standalone test, when I integrated the changes to our code, the processes entered a crazy loop and allocated all the memory available when calling MPI_

[OMPI users] MPICH2 is working OpenMPI Not

2010-07-18 Thread Bibrak Qamar
Hello, I have developed a code which I tested on MPICH2, it working fine. But when I compile and run it with OpenMPI, its not working. The result of the program with the errors by OpenMPI is below .. -- bibrak@barq:~/XXX> mpirun -np 4 ./exec 98 warning:regcache incompatible with

Re: [OMPI users] is loop unrolling safe for MPI logic?

2010-07-18 Thread Anton Shterenlikht
On Sat, Jul 17, 2010 at 09:14:11AM -0700, Eugene Loh wrote: > Jeff Squyres wrote: > > >On Jul 17, 2010, at 4:22 AM, Anton Shterenlikht wrote: > > > > > >>Is loop vectorisation/unrolling safe for MPI logic? > >>I presume it is, but are there situations where > >>loop vectorisation could e.g. viol

Re: [OMPI users] Ok, I've got OpenMPI set up, now what?!

2010-07-18 Thread Gustavo Correa
Check PETSc: http://www.mcs.anl.gov/petsc/petsc-as/ On Jul 18, 2010, at 12:37 AM, Damien wrote: > You should check out the MUMPS parallel linear solver. > > Damien > Sent from my iPhone > > On 2010-07-17, at 5:16 PM, Daniel Janzon wrote: > >> Dear OpenMPI Users, >> >> I successfully installe

Re: [OMPI users] Ok, I've got OpenMPI set up, now what?!

2010-07-18 Thread Damien
You should check out the MUMPS parallel linear solver. Damien Sent from my iPhone On 2010-07-17, at 5:16 PM, Daniel Janzon wrote: Dear OpenMPI Users, I successfully installed OpenMPI on some FreeBSD machines and I can run MPI programs on the cluster. Yippie! But I'm not patient enough to wr