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Elastic Threshold Attention: Learned Contextual Sparsity for Long-Context Decoding

arXiv:2609.20888v1 Announce Type: new Abstract: Massive KV caches can cause severe memory-bandwidth bottlenecks during long-context decoding. Sparse attention methods mitigate this via selective loading, but that comes at a cost: rigid heuristics drop necessary context, leading to quality degradati…

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  1. 2026-09-21 04:00 · arXiv cs.LG
    Elastic Threshold Attention: Learned Contextual Sparsity for Long-Context Decoding

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