[OMPI users] Mumps Parallel version hanging with OpenMPI 1.8.1

Hi, I recently upgraded from openmpi 1.5.4 to openmpi 1.81 and built an application which uses parallel version of Mumps (http://mumps.enseeiht.fr/) . I am noticing process gets hung with np > 2 but some time it works also. I am not sure if this because of the openmpi upgrade or some problem wit

[OMPI users] Help : Slowness with OpenMPI (1.8.1) and Numpy

Hi There, I am facing slowness running numpy code using mpirun with openmpi 1.8.1 version. With Open MPI (1.8.1) - > /usr/lib64/openmpi/bin/mpirun -version mpirun (Open MPI) 1.8.1 Report bugs to http://www.open-mpi.org/community/help/ > time /usr/lib64/openmpi/bin/mp

[OMPI users] Slowness with OpenMPI (1.8.1) and Numpy

Hi There, I am facing slowness running numpy code using mpirun with openmpi 1.8.1 version. With Open MPI (1.8.1) - > /usr/lib64/openmpi/bin/mpirun -version mpirun (Open MPI) 1.8.1 Report bugs to http://www.open-mpi.org/community/help/ > time /usr/lib64/openmpi/bin/mp