Hi Jeff,
Assuming you did **not** explicitly configure Open MPI with
--disable-dlopen, you can try
mpirun --mca pml ob1 --mca btl vader,self ...
Cheers,
Gilles
On Thu, Jun 24, 2021 at 5:08 AM Jeff Hammond via users <
users@lists.open-mpi.org> wrote:
> 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
>
>
>
>
