On 19/12/17 13:35, r...@open-mpi.org wrote:
I’d be very surprised to find run time scaling better with srun unless you are using some layout option with one that you aren’t using with another. mpiexec has all the srun layout options, and a lot more - so I suspect you just aren’t using the equivalent mpiexec option. Exploring those might even reveal a combination that runs better:-)
Interesting, this was just comparing a naive mpirun/srun comparison with no bells and whistles (to provide guidance to the few folks running MPI jobs on the Linux clusters). Thanks! Chris -- Chris Samuel : http://www.csamuel.org/ : Melbourne, VIC
