GPU0 GPU1 GPU2 GPU3 GPU4 GPU5 GPU6 GPU7 NIC0 NIC1 NIC2 NIC3 NIC4 CPU Affinity NUMA Affinity GPU NUMA ID GPU0 X PIX PIX PIX SYS SYS SYS SYS PIX PIX SYS SYS SYS 0-31,64-95 0 N/A GPU1 PIX X PIX PIX SYS SYS SYS SYS PIX PIX SYS SYS SYS 0-31,64-95 0 N/A GPU2 PIX PIX X PIX SYS SYS SYS SYS PIX PIX SYS SYS SYS 0-31,64-95 0 N/A GPU3 PIX PIX PIX X SYS SYS SYS SYS PIX PIX SYS SYS SYS 0-31,64-95 0 N/A GPU4 SYS SYS SYS SYS X PIX PIX PIX SYS SYS PIX PIX NODE 32-63,96-127 1 N/A GPU5 SYS SYS SYS SYS PIX X PIX PIX SYS SYS PIX PIX NODE 32-63,96-127 1 N/A GPU6 SYS SYS SYS SYS PIX PIX X PIX SYS SYS PIX PIX NODE 32-63,96-127 1 N/A GPU7 SYS SYS SYS SYS PIX PIX PIX X SYS SYS PIX PIX NODE 32-63,96-127 1 N/A NIC0 PIX PIX PIX PIX SYS SYS SYS SYS X PIX SYS SYS SYS NIC1 PIX PIX PIX PIX SYS SYS SYS SYS PIX X SYS SYS SYS NIC2 SYS SYS SYS SYS PIX PIX PIX PIX SYS SYS X PIX NODE NIC3 SYS SYS SYS SYS PIX PIX PIX PIX SYS SYS PIX X NODE NIC4 SYS SYS SYS SYS NODE NODE NODE NODE SYS SYS NODE NODE X Legend: X = Self SYS = Connection traversing PCIe as well as the SMP interconnect between NUMA nodes (e.g., QPI/UPI) NODE = Connection traversing PCIe as well as the interconnect between PCIe Host Bridges within a NUMA node PHB = Connection traversing PCIe as well as a PCIe Host Bridge (typically the CPU) PXB = Connection traversing multiple PCIe bridges (without traversing the PCIe Host Bridge) PIX = Connection traversing at most a single PCIe bridge NV# = Connection traversing a bonded set of # NVLinks NIC Legend: NIC0: mlx5_0 NIC1: mlx5_1 NIC2: mlx5_2 NIC3: mlx5_3 NIC4: mlx5_bond_0