Re: [OMPI users] "MCW rank 0 is not bound (or bound to all available processors)" when running multiple jobs concurrently

Hi Greg, Sorry for the late response , I have strict working hours and project schedule. I do not have much to help on that problem, but according to your description there could be some points to check. You stated that you don't have problems with IntelMPI. As far I know, with --bind-to-none op

Re: [OMPI users] "MCW rank 0 is not bound (or bound to all available processors)" when running multiple jobs concurrently

Hi Greg, I am not an openmpi expert but I just wanted to share my experience with HPC-X. 1. Default HPC-X builds which come with the mofed drivers are built with UCX and as Gilles stated, specifying ob1 will not change the layer for openmpi. You can try to discard UCX and let the openmpi deci