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HyDra: Demystifying and Taming Dynamic Context Parallelism at Production Scale

Fan, Zihao et al.
arXiv (All) · Papers
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and-cluster-computingdistributedparallel
Long-context training runs on sequences whose lengths span orders of magnitude, and dynamic context parallelism (DCP) gives each sequence its own CP degree. Existing DCP systems either do not scale or perform poorly on mainstream models, leaving Megatron-Core (Mcore) DCP as the only option at produc
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