KVTuner: Sensitivity-Aware Layer-wise Mixed Precision KV Cache Quantization for Efficient and Nearly Lossless LLM Inference. - Xing Li; Zeyu Xing 002; Yiming Li; Linping Qu; Hui-Ling Zhen; Wulong Liu; Yiwu Yao; Sinno Jialin Pan; Mingxuan Yuan (CoRR, 2025)