arXiv 2609.36322 · cs.LG · 2026-09-28
Periodic Weak Spots: Phase Sensitivity from Chunked KV-Cache Compression
Xingyu Zhu, Pu, Yi, Ziheng Cheng, Ang Lv, Jing Liu, Lexing Ying, Yiyuan Ma and 1 more
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In latest · #196 Added on 2026-10-21
One-line takeaway
Finds chunked KV-cache compression causes phase sensitivity: retrieval accuracy varies with position relative to window boundaries.
发现分块 KV 缓存压缩带来“相位敏感”：信息在压缩窗口中的位置不同，检索准确率差异明显。
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