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Ze-Fang Yuan

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#machine learning Preprint Oct 2026

PageWeaver: KV-Guided Query Unions for Sparse Attention

Dynamic sparse attention limits the KV pages selected by each query, but a small support does not necessarily yield efficient GPU work. Query unions share page loads and populate Tensor Core tiles; their cost depends on which queries are grouped together. We present PageWeaver, an execution design that uses selected-pa...

Zhi-Yuan Li, Zi-Han Li, Ze-Fang Yuan et al. · 0 citations