No, I'm sorry -- I wasn't clear. What I meant was, that if you run:
mpirun -np 4 my_mpi_application
1. If you see a single, 4-process MPI job (regardless of how many nodes/servers
it's spread across), then all is good. This is what you want.
2. But if you're seeing 4 independent 1-process
On Jun 8, 2010, at 3:06 PM, Jeff Squyres wrote:
> I know nothing about Gromacs, but you might want to ensure that your Gromacs
> was compiled with Open MPI. A common symptom of "mpirun -np 4
> my_mpi_application" running 4 1-process MPI jobs (instead of 1 4-process MPI
> job) is that you compi
I know nothing about Gromacs, but you might want to ensure that your Gromacs
was compiled with Open MPI. A common symptom of "mpirun -np 4
my_mpi_application" running 4 1-process MPI jobs (instead of 1 4-process MPI
job) is that you compiled my_mpi_application with one MPI implementation, but
