I am running on a single node and do not need any network support. I am using the NVIDIA build of Open-MPI 3.1.5. How do I tell it to never use anything related to IB? It seems that ^openib is not enough.
Thanks, Jeff $ OMP_NUM_THREADS=1 /proj/nv/Linux_aarch64/21.5/comm_libs/openmpi/openmpi-3.1.5/bin/mpirun --mca btl ^openib -n 40 /local/home/jehammond/NWCHEM/nvhpc-mpi-pr/bin/LINUX64/nwchem w12_b3lyp_cc-pvtz_energy.nw | tee w12_b3lyp_cc-pvtz_energy.nvhpc-mpi-pr.n40.log libibverbs: Warning: couldn't load driver 'libvmw_pvrdma-rdmav25.so': libvmw_pvrdma-rdmav25.so: cannot open shared object file: No such file or directory libibverbs: Warning: couldn't load driver 'libsiw-rdmav25.so': libsiw-rdmav25.so: cannot open shared object file: No such file or directory libibverbs: Warning: couldn't load driver 'librxe-rdmav25.so': librxe-rdmav25.so: cannot open shared object file: No such file or directory libibverbs: Warning: couldn't load driver 'libqedr-rdmav25.so': libqedr-rdmav25.so: cannot open shared object file: No such file or directory libibverbs: Warning: couldn't load driver 'libmlx5-rdmav25.so': libmlx5-rdmav25.so: cannot open shared object file: No such file or directory libibverbs: Warning: couldn't load driver 'libmlx4-rdmav25.so': libmlx4-rdmav25.so: cannot open shared object file: No such file or directory libibverbs: Warning: couldn't load driver 'libi40iw-rdmav25.so': libi40iw-rdmav25.so: cannot open shared object file: No such file or directory libibverbs: Warning: couldn't load driver 'libhns-rdmav25.so': libhns-rdmav25.so: cannot open shared object file: No such file or directory libibverbs: Warning: couldn't load driver 'libhfi1verbs-rdmav25.so': libhfi1verbs-rdmav25.so: cannot open shared object file: No such file or directory libibverbs: Warning: couldn't load driver 'libcxgb4-rdmav25.so': libcxgb4-rdmav25.so: cannot open shared object file: No such file or directory libibverbs: Warning: couldn't load driver 'libbnxt_re-rdmav25.so': libbnxt_re-rdmav25.so: cannot open shared object file: No such file or directory libibverbs: Warning: couldn't load driver 'libvmw_pvrdma-rdmav25.so': libvmw_pvrdma-rdmav25.so: cannot open shared object file: No such file or directory
