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Si-Wei He

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#machine learning Preprint Aug 2026

PatchKV: Efficient KV Cache Recovery for Dynamically Edited LLM Contexts

PatchKV, a profile-guided recovery system for suffix-preserving revisions, decomposes adjacent context versions into an exact prefix, an updated span, and an aligned suffix, and achieves a speedup in mean resume time-to-first-token over full suffix recomputation.

Guo-Tao Yang, Rui Guo, Si-Wei He et al. · 0 citations