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Echo: Error-Compensated 4-Bit Tensor-Parallel Communication for LLM Training and Inference

arXiv cs.AI ↗ · 2026-10-15 Cached

Echo提出一种误差补偿的4-bit all-reduce通信方法,用于LLM的张量并行训练与推理,在A100上比16-bit NCCL快2.09×,同时将累积误差控制在与模型深度无关的范围内,保持接近16-bit的模型精度。

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