DHelix interleaves two micro-batches at operator granularity and folds the pipeline into a W-shape, hiding communication and improving LLM training throughput by 12-40% on tested clusters.
Efficient all-to-all collective com- munication schedules for direct-connect topologies
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Hiding Communication Cost in Distributed LLM Training via Micro-batch Co-execution
DHelix interleaves two micro-batches at operator granularity and folds the pipeline into a W-shape, hiding communication and improving LLM training throughput by 12-40% on tested clusters.