MultiWrite is a new many-to-many transmission semantic that uses multicast principles to eliminate redundant packets in collective operations, delivering up to 33% lower latency for AllGather and AlltoAll on Ascend NPUs.
Hybridep: Scaling expert parallelism to cross-datacenter scenario via hybrid expert/data transmission.CoRR, abs/2510.19470
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UniEP fuses MoE communication and computation into unified MegaKernels with deterministic token ordering, delivering 1.03x-1.38x speedups over prior work while preserving training accuracy.
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Exploiting Multicast for Accelerating Collective Communication
MultiWrite is a new many-to-many transmission semantic that uses multicast principles to eliminate redundant packets in collective operations, delivering up to 33% lower latency for AllGather and AlltoAll on Ascend NPUs.
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UniEP: Unified Expert-Parallel MoE MegaKernel for LLM Training
UniEP fuses MoE communication and computation into unified MegaKernels with deterministic token ordering, delivering 1.03x-1.38x speedups over prior work while preserving training accuracy.