Author

Yu-Jian Liu

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Preprint Aug 2026

Practical Online KV Cache Compaction for LLM Agents: An Empirical Study

This work studies online compaction across token eviction (TE) and attention matching (AM), adapting both to compact agent turns and comparing cheap proxy sources such as boundary, repeat-prefill, and delayed future-generation queries, finding TE is often more robust than AM under imperfect proxies.

Yujian Liu, Jiabao Ji, Li An et al. · 1 citation