Cerebras 如何用 WSE 扩展 MoE 模型训练
Cerebras 发布指南,讲解 MoE 模型在现代硬件上的扩展与优化难题。GPU 方案依赖专家并行(EP),需在模型质量与负载均衡间权衡,且随专家数增加通信开销恶化;DeepSeek-V3 等生产系统需组合流水线、专家与数据并行。Cerebras WSE 凭借约 900 倍于单块最新 GPU 的片上 SRAM 和权重流式传输,可在单设备上训练万亿参数 MoE 模型。

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