arXiv Machine Learning By Yutao Sun, Yanqi Zhang, Li Dong, Jianyong Wang, Furu Wei

You Only Index Once: Cross-Layer Sparse Attention with Shared Routing

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arXiv:2606. 06467v1 Announce Type: cross Abstract: Long-context inference in modern LLMs is increasingly constrained by decoding efficiency, especially in reasoning-heavy settings where models generate long intermediate chains of thought.

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