Scissorhands: Exploiting the Persistence of Importance Hypothesis for LLM KV Cache Compression at Test Time - Liu, Zichang; Desai, Aditya; Liao, Fangshuo; Wang, Weitao; Xie, Victor; Xu, Zhaozhuo; Kyrillidis, Anastasios; Shrivastava, Anshumali (Advances in Neural Information Processing Systems, 2023)