-------------------------------------------------------------------------- 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 -------------------------------------------------------------------------- [pd-compute-1-18.local:18496] [[49727,0],0] ORTE_ERROR_LOG: Data unpack had inadequate space in file util/show_help.c at line 513 -------------------------------------------------------------------------- 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":2.02,"usertime":0.40,"systime":0.75,"memmax":28544,"memavg":0}