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Author

Menghao Zhang

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Book Open access Aug 2026

Weaver: Diagnosing Extra Kernel and Synchronization Interference in GPU Workloads

Weaver is a low-overhead cross-layer diagnosis framework for GPU kernels that builds a semantic execution graph from operator, kernel timeline, and warp/block evidence, distinguishes blocked and slowed kernels, and reports an interpretable root-cause chain.

Jingyuan Zhu, Menghao Zhang, Yuxuan Chen · 0 citations
Review Open access Aug 2026

Collective Communication for Distributed LLM Systems: Planning, Runtime Adaptation, and Computation Coordination

This paper presents a tutorial-style, collective-centric taxonomy for collective communication, which organizes recent advances into three layers: communication planning, which generates topology-aware collective schedules; communication execution and adaptation, which maps these schedules onto GPU runtimes and hardware in real clusters; and computation-communication coordination, which turns collective optimization into end-to-end training and inference benefits.

Xue-Bin Song, Menghao Zhang, Yue Liu et al. · 0 citations

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