Re: [OMPI users] Cannot run a simple MPI program

On Apr 24, 2016, at 8:12 PM, Gilles Gouaillardet wrote: > > fwiw, once in a while, i > rm -rf /.../ompi_install_dir/lib/openmpi > to get rid of the removed modules If it helps, I usually install Open MPI into a tree all by itself, and then I can "rm -rf

Re: [OMPI users] Cannot run a simple MPI program

As far as i am concerned, i would consider that as a bug : since the link is down, the psm component should simply disqualify itself, it will follow-up this on the devel ML Cheers, Gilles On 4/25/2016 10:36 AM, dpchoudh . wrote: Hello Gilles Thank you for finding the bug; it was not

Re: [OMPI users] Cannot run a simple MPI program

Hello George Adding --mca pml ob1 does make the program run. I just wanted to make sure that was the expected behaviour (as opposed to a bug in mpirun). Thanks Durga 1% of the executables have 99% of CPU privilege! Userspace code! Unite!! Occupy the kernel!!! On Sun, Apr 24, 2016 at 9:43 PM,

Re: [OMPI users] Cannot run a simple MPI program

Add --mca pml ob1 to your mpirun command. George On Sunday, April 24, 2016, dpchoudh . wrote: > Hello Gilles > > Thank you for finding the bug; it was not there in the original code; I > added it while trying to 'simplify' the code. > > With the bug fixed, the code now runs

Re: [OMPI users] Cannot run a simple MPI program

Hello Gilles Thank you for finding the bug; it was not there in the original code; I added it while trying to 'simplify' the code. With the bug fixed, the code now runs in the last scenario. But it still hangs with the following command line (even after updating to latest git tree, rebuilding

[OMPI users] Cannot run a simple MPI program

Hello all Attached is a simple MPI program (a modified version of a similar program that was posted by another user). This program, when run on a single node machine, hangs most of the time, as follows: (in all cases, OS was CentOS 7) Scenario 1: OMPI v 1.10, single socket quad core machine,