Dear OpenMPI, Under what circumstances I would find that OMPI_COMM_WORLD_LOCAL_RANK is not set? For some reason our install of openmpi-1.6.5 with SLURM 16.05.08 with PMI support is not setting OMPI_COMM_WORLD_LOCAL_RANK.
I need openmpi-1.6.5 because I have some NVIDIA binaries that are only available at the version. I have tried using: mpirun --mca btl self,openib -np 4 -hostfile ./host_cpu binary : -np 2 -hostfile ./host_gpu binary Also I have tried running srun -l -n 6 --multi-prog ./myrun.conf In both cases I find that OMPI_COMM_WORLD_LOCAL_RANK is NOT SET. Any help with this will be a great great help for us.... Thank you, Amit
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