arxivcs.LGcs.DC2026-07-01
MosaicKV: Serving Long-Context LLM with Dynamic Two-D KV Cache Compression
Sheng Qiang, Ruiwei Chen, Yinpeng Wu, Jinyu Gu, Zhichao Hua, Yubin Xia, et al.
Long-context LLM services now sustain prompts with hundreds of thousands to millions of tokens, making the key-value (KV) cache a first-order serving cost. Because the cache grows linearly with context length, it can exhaust GPU memory, force smaller batches, and reduce serving t…