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Hongli Xu

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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
#machine learning Preprint Sep 2026

TopoEP: Topology-Aware Load Balancing for Expert-Parallel MoE Training

A GPU-native, topology-aware load-balancing system for large-scale MoE training that converts the current routing result into hot-expert replication and token-rerouting decisions and executes the resulting plan without data-dependent host synchronization, reducing critical-path overhead.

Jia-Cheng Zhu, Xie Zhao, Gong-Ming Zhao et al. · 0 citations

HADES: Heterogeneity-Aware Dependent Task Offloading in Collaborative Edge Networks

Regarding the computational intensity and stringent latency requirements of modern applications comprised of many dependent subtasks, collaborative edge computing (CEC) emerges as a solution to guarantee the service-level objectives (SLOs) by offloading subtasks to multiple distributed edge servers. However, existing o...

Zi-Xuan He, Yan-Jing Sun, Zhen-Guo Ma et al. · 0 citations
Book Open access Aug 2026

Rethinking Cloud Optimization: Volatility-Driven for Better Outcomes

Hestia is proposed, a framework that achieves long-term stable oversubscription through workload aggregation through a smoothing-based method to classify workloads suitable for aggregation according to their periodicity, and an aggregation algorithm to minimize the overall MCV.

Baoqing Wang, Gongming Zhao, Hongli Xu et al. · 0 citations

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