-------------------------------------------------------------------------- By default, for Open MPI 4.0 and later, infiniband ports on a device are not used by default. The intent is to use UCX for these devices. You can override this policy by setting the btl_openib_allow_ib MCA parameter to true. Local host: pd-compute-1-18 Local adapter: qib0 Local port: 1 -------------------------------------------------------------------------- -------------------------------------------------------------------------- WARNING: There was an error initializing an OpenFabrics device. Local host: pd-compute-1-18 Local device: qib0 -------------------------------------------------------------------------- -------------------------------------------------------------------------- By default, for Open MPI 4.0 and later, infiniband ports on a device are not used by default. The intent is to use UCX for these devices. You can override this policy by setting the btl_openib_allow_ib MCA parameter to true. Local host: pd-compute-1-18 Local adapter: qib0 Local port: 1 -------------------------------------------------------------------------- -------------------------------------------------------------------------- WARNING: There was an error initializing an OpenFabrics device. Local host: pd-compute-1-18 Local device: qib0 -------------------------------------------------------------------------- {"realtime":2.25,"usertime":0.40,"systime":0.89,"memmax":28540,"memavg":0}