Unsubscribe On Sat, Apr 8, 2017 at 8:45 PM, Doug Meyer <[email protected]> wrote:
> Running 15.x and have run into a next step that is probably us tripping > over our feet. > > Engineers were happy clams with SGE but it was time to move one. We have > adopted slurm and are moving users forward. So far, much joy. As we work > more with MPI apps we are getting foggy. > > slurm support automatically included in openmpi builds. Excellent. > > Must add build flag for PMI in OpenMPI build. Got it. > > Mpidefault and Mpiflags?? > > Should Mpidefault be "none"? If all our MPI work is OpenMPI with PMI-1 > are we better off setting it to openmpi? > > Understand we can use srun to change the MPI. > > From reading it sounds like Mpidefault can be ignored if we are running > OpenMPI 1.5 or newer and PMI. Is that correct? > > Finally, from reading it seems slurm is very mature and supplants the need > for mpirun unless we are using an salloc or running from an external > script. Using srun or sbatch, forget about mpirun. Is this correct? > > Thank you, > Doug Meyer > > > -- Vanessa Villamia Sochat Stanford University (603) 321-0676
