arxiv
PublishedOctober 9, 2026 at 4:00 AM
SPIN: Shadow Predictive Indexer for Sparse Attention
Publisher summary· verbatim
arXiv:2610.09025v2 Announce Type: replace Abstract: Indexer-based sparse attention reduces the cost of core attention by passing only a fixed, small number of important tokens to it. However, the indexer must still score the entire KV cache at every decoding step. This scoring overhead becomes a maj
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