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ResearchSeptember 17, 2026

Contiguity, Not Importance: Budgeted Repair of Stale KV Caches After Document Edits

KV-cache reuse can reduce inference cost in retrieval-augmented generation and agentic systems, but cached contexts may become stale when retrieved knowledge, working memory, or user state is edited. Under causal self-attention, even a local edit can affect downstream KV states.…

Mingyang Mao, Wyatt Mackey, Xiaomin Lin·arXiv — cs.AI
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Key Takeaways
  • 01.KV-cache reuse can reduce inference cost in retrieval-augmented generation and agentic systems, but cached contexts may become stale when retrieved knowledge, working memory, or user state is edited
  • 02.Under causal self-attention, even a local edit can affect downstream KV states.…

This material is provided as an extended analytical summary.

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Aggregated within AI Qazaqstan national intelligence stream with author attribution.

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