arxiv
PublishedOctober 15, 2026 at 4:00 AM
Echo: Error-Compensated 4-Bit Tensor-Parallel Communication for LLM Training and Inference
Publisher summary· verbatim
arXiv:2610.14277v1 Announce Type: new Abstract: Tensor parallelism ends every layer with an all-reduce that sits between two dependent matrix multiplications, so its cost cannot be hidden and grows as compute outpaces interconnect bandwidth. Sending 4-bit instead of 16-bit values would cut this cost
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Originally published on arxiv ↗