High-Performance GPU Server Hardware Topology and Cluster Networking-2
This article explores the hardware topology and cluster networking of high-performance GPU servers, focusing on typical 8-card A100/A800 and H100 host configurations. It delves into the internal structure, interconnections, and bandwidth analysis of various components, including NVSwitch, PCIe Gen4/Gen5, NVLink, and network cards. The article also discusses the impact of different networking options, such as the CX7 network card, on inter-node and intra-node communication.