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

2015-06-12 Thread Ralph Castain
Is this a threaded code? If so, you should add —bind-to none to your 1.8 series command line > On Jun 12, 2015, at 7:58 AM, kishor sharma wrote: > > Hi There, > > > > I am facing slowness running numpy code using mpirun with openmpi 1.8.1 > version. > > > > With Open MPI (1.8.1) > > --

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

2015-06-12 Thread kishor sharma
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