-------------------------------------------------------------------------- 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-3-31 Local adapter: qib0 Local port: 1 -------------------------------------------------------------------------- -------------------------------------------------------------------------- WARNING: There was an error initializing an OpenFabrics device. Local host: pd-compute-3-31 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-3-31 Local adapter: qib0 Local port: 1 -------------------------------------------------------------------------- -------------------------------------------------------------------------- WARNING: There was an error initializing an OpenFabrics device. Local host: pd-compute-3-31 Local device: qib0 -------------------------------------------------------------------------- {"realtime":8.23,"usertime":1.60,"systime":1.39,"memmax":34680,"memavg":0}