NVIDIA NVbandwidth: Your Essential Tool for Measuring GPU Interconnect and Memory Performance | NVIDIA Technical Blog
… Run with MPI: mpirun --allow-run-as-root --map-by ppr:4:node --bind-to core -np 8 --report-bindings \ -q -mca btl tcp if include enP5p9s0 --hostfile /etc/nvidia-imex/nodes config.cfg ./nvbandwidth -p multinode NVIDIA Multi-Node NVLink MNNVL systems require a fully configured and operational IMEX do… …