Bennet -- Just curious: is there a reason you're not using UCX?
> On Feb 2, 2020, at 4:06 PM, Bennet Fauber via users > <users@lists.open-mpi.org> wrote: > > We get these warnings/error from OpenMPI, version 3.1.4 and 4.0.2 > > -------------------------------------------------------------------------- > WARNING: No preset parameters were found for the device that Open MPI > detected: > > Local host: gl3080 > Device name: mlx5_0 > Device vendor ID: 0x02c9 > Device vendor part ID: 4123 > > Default device parameters will be used, which may result in lower > performance. You can edit any of the files specified by the > btl_openib_device_param_files MCA parameter to set values for your > device. > > NOTE: You can turn off this warning by setting the MCA parameter > btl_openib_warn_no_device_params_found to 0. > -------------------------------------------------------------------------- > > -------------------------------------------------------------------------- > WARNING: There was an error initializing an OpenFabrics device. > > Local host: gl3080 > Local device: mlx5_0 > -------------------------------------------------------------------------- > > Does anyone know how I can find the parameters that should be set in > $PREFIX/etc/btl_openib_device_param.conf or other OpenMPI > configuration files so that those warnings do not occur? > > How might I find the cause of the initialization error? > > Sorry for the ignorance behind this question. -- Jeff Squyres jsquy...@cisco.com