-------------------------------------------------------------------------- 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: acn86 Local adapter: mlx5_0 Local port: 1 -------------------------------------------------------------------------- [acn86:2110578] [[62037,0],0] ORTE_ERROR_LOG: Out of resource in file util/show_help.c at line 501 [acn86:2110720] [[62247,0],0] ORTE_ERROR_LOG: Out of resource in file util/show_help.c at line 501 [acn86:2110720] [[62247,0],0] ORTE_ERROR_LOG: Out of resource in file util/show_help.c at line 501 {"realtime":15.78,"usertime":11.61,"systime":1.64,"memmax":362920,"memavg":0}