Author

Size Zheng

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Preprint Sep 2026

VarioPath: Workload-Aware All-to-All Communication for PCIe GPU Clusters

VarioPath, an efficient AlltoAllv scheduling framework for PCIe GPU systems that combines an offline topology-aware analyzer with an online demand-aware scheduler, and shows average AlltoAllv speedups of 5.88x over FAST and 1.72x over DeepEP.

Yao Fei, Jin Fang, Si-Ze Zheng et al. · 0 citations

Book Open access Jul 2026

UniEP: Unified Expert-Parallel MegaKernel MoE for LLM Training

UniEP fuses the MoE communication and computation into MegaKernels, effectively transforming complex architectural tuning into a unified parameter search space for automated adaptability and incorporates a deterministic token ordering mechanism that guarantees numerical consistency with sequential execution, even under...

Size Zheng, Xuegui Zheng, Li-Wen Chang et al. · IEEE International Symposium... · 1 citation