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.
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.· IEEE Network· 0 citations
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