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.
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