[mpich-discuss] Issue with Slurm / Hydra

[Pavan Balaji]

On 11/24/2010 02:56 PM, Vienne Jérôme wrote:
> I set HYDRA_BOOTSTRAP_EXEC=slurm
> then i did:
> mpiexec -n 16 IMB-MPI1 -npmin 16 bcast

FWIW, Hydra will automatically detect the SLURM setting, the number of 
nodes, which nodes to launch on, etc. So, you can just do:

$ mpiexec ./IMB-MPI1 -npmin 16 bcast

Of course, manually specifying the bootstrap server, like you did, is OK 
too.

  -- Pavan

-- 
Pavan Balaji
http://www.mcs.anl.gov/~balaji