Pretty sure Slurm doesn’t support dynamic spawn - we don’t support it when
direct launched using srun. It is only supported when launched by mpiexec
Might change in future releases, assuming Slurm has or adds the support
> On Feb 26, 2015, at 5:26 AM, Lev Givon wrote:
>
> I've been using Open
I've been using OpenMPI 1.8.4 manually built on Ubuntu 14.04.2 against the PMI
libraries provided by the stock SLURM 2.6.5 Ubuntu packages. Although I am able
to successfully run MPI jobs that use MPI_Comm_spawn via mpi4py 1.3.1 (also
manually built against OpenMPI 1.8.4) to dynamically create proc
