-------------------------------------------------------------------------- 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: c002 Local adapter: mlx5_0 Local port: 1 -------------------------------------------------------------------------- -------------------------------------------------------------------------- WARNING: There was an error initializing an OpenFabrics device. Local host: c002 Local device: mlx5_0 -------------------------------------------------------------------------- [c002:3793155] [[1651,0],0] ORTE_ERROR_LOG: Out of resource in file util/show_help.c at line 501 [c002:3793155] [[1651,0],0] ORTE_ERROR_LOG: Out of resource in file util/show_help.c at line 501 {"realtime":2.81,"usertime":0.39,"systime":2.78,"memmax":58228,"memavg":0}