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Block-Sparse Attention with Semantic-Geometric Decoupled Routing

Long, Xinwei et al.
arXiv (All) · Papers
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computation-and-language
Long-context inference has become a defining capability of large language models, but exact dense attention remains costly due to its quadratic scaling with sequence length. Block-sparse attention offers a hardware-friendly alternative by routing each query block to a small set of relevant key block
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