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GPU集群网络拓扑设计:胖树、蜻蜓与轨道优化架构

DGX SuperPOD采用三层胖树架构配合Quantum-2 InfiniBand(400Gb/s)。Meta研究发现网络配置错误导致10.7%的重大GPU作业失败。全二分带宽对于通信模式动态变化的分布式训练至关重要。Google TPU Pod使用3D环面拓扑;AWS Trainium采用工作负载优化拓扑。

GPU集群网络拓扑设计:胖树、蜻蜓与轨道优化架构
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