[OMPI users] Question about component priority (psm/sm)

tl_psm_priority and btl_sm_priority with no success... Is it possible to make OpenMPI use sm when it's available before psm for processes on the same node? TIA, Tom Tom Harvill HCC - hcc.unl.edu 402.472.5660

Re: [OMPI users] Question about component priority (psm/sm)

could try setting MCA parameters as environment variables (e.g., setenv OMPI_MCA_pml ob1 -- which would exclude the CM PML and therefore the PSM MTL) if your pre-job hook can tell if the job fits entirely on a single node. Does that help? That's an interesting idea that I will i