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The deployment of efficient long-context LLMs in applications like autonomous agents, long-chain reasoning, and creative writing is fundamentally bottlenecked by the linear growth of KV cache memory. Existing compression and eviction…

Computation and Language · Computer Science 2026-02-10 Jitai Hao , Qiang Huang , Yaowei Wang , Min Zhang , Jun Yu

Despite the remarkable progress of Large Language Models (LLMs), the escalating memory footprint of the Key-Value (KV) cache remains a critical bottleneck for efficient inference. While dimensionality reduction offers a promising…

Computation and Language · Computer Science 2026-03-06 Liming Lu , Kaixi Qiu , Jiayu Zhou , Jushi Kai , Haoyan Zhang , Huanyu Wang , Jingwen Leng , Ziwei He , Zhouhan Lin

Efficient KV cache management in LLMs is crucial for long-context tasks like RAG and summarization. Existing KV cache compression methods enforce a fixed pattern, neglecting task-specific characteristics and reducing the retention of…

Computation and Language · Computer Science 2025-05-28 Xiabin Zhou , Wenbin Wang , Minyan Zeng , Jiaxian Guo , Xuebo Liu , Li Shen , Min Zhang , Liang Ding

While Key-Value (KV) cache succeeds in reducing redundant computations in auto-regressive models, it introduces significant memory overhead, limiting its practical deployment in long-sequence scenarios. Existing KV retrieval methods…

Machine Learning · Computer Science 2025-10-14 Wenbo Wu , Qingyi Si , Xiurui Pan , Ye Wang , Jie Zhang

Although Key-Value (KV) Cache is essential for efficient large language models (LLMs) inference, its growing memory footprint in long-context scenarios poses a significant bottleneck, making KVCache compression crucial. Current compression…

Machine Learning · Computer Science 2026-02-04 Jiancai Ye , Jun Liu , Qingchen Li , Tianlang Zhao , Hanbin Zhang , Jiayi Pan , Ningyi Xu , Guohao Dai

Large language models (LLMs) demonstrate remarkable capabilities but face substantial serving costs due to their high memory demands, with the key-value (KV) cache being a primary bottleneck. State-of-the-art KV cache compression…

Machine Learning · Computer Science 2025-09-03 Yanqi Zhang , Yuwei Hu , Runyuan Zhao , John C. S. Lui , Haibo Chen

Diffusion Language Models (DLMs) have been seen as a promising competitor for autoregressive language models. However, diffusion language models have long been constrained by slow inference. A core challenge is that their non-autoregressive…

Computation and Language · Computer Science 2025-05-22 Xinyin Ma , Runpeng Yu , Gongfan Fang , Xinchao Wang

With the widespread deployment of long-context large language models (LLMs), there has been a growing demand for efficient support of high-throughput inference. However, as the key-value (KV) cache expands with the sequence length, the…

Machine Learning · Computer Science 2025-04-29 Hanshi Sun , Li-Wen Chang , Wenlei Bao , Size Zheng , Ningxin Zheng , Xin Liu , Harry Dong , Yuejie Chi , Beidi Chen

How to efficiently serve LLMs in practice has become exceptionally challenging due to their prohibitive memory and computation requirements. In this study, we investigate optimizing the KV cache, whose memory footprint poses a critical…

Computation and Language · Computer Science 2025-06-10 Akshat Sharma , Hangliang Ding , Jianping Li , Neel Dani , Minjia Zhang

Large Language Models (LLMs) have revolutionized the field of natural language processing, achieving unprecedented performance across a variety of applications. However, their increased computational and memory demands present significant…

Computation and Language · Computer Science 2025-02-28 Yuhui Xu , Zhanming Jie , Hanze Dong , Lei Wang , Xudong Lu , Aojun Zhou , Amrita Saha , Caiming Xiong , Doyen Sahoo

The quadratic computational complexity of the standard attention mechanism constitutes a fundamental bottleneck for large language models in long-context inference. While existing KV cache compression methods alleviate memory pressure, they…

Computation and Language · Computer Science 2026-05-06 Jinyu Guo , Zhihan Zhang , Jiehui Xie , Md. Tamim Iqbal , Dongshen Han , Lik-Hang Lee , Sung-Ho Bae , Jie Zou , Yang Yang , Chaoning Zhang

Large Language Models (LLMs) have been widely deployed in a variety of applications, and the context length is rapidly increasing to handle tasks such as long-document QA and complex logical reasoning. However, long context poses…

Machine Learning · Computer Science 2025-06-17 Guangda Liu , Chengwei Li , Jieru Zhao , Chenqi Zhang , Minyi Guo

This work studies how to adaptively recompute key-value (KV) caches for diffusion large language models (DLMs) to maximize prediction accuracy while minimizing decoding latency. Prior methods' decoders recompute QKV for all tokens at every…

Computation and Language · Computer Science 2025-12-30 Quan Nguyen-Tri , Mukul Ranjan , Zhiqiang Shen

Large language models (LLMs) are widely deployed with rapidly expanding context windows to support increasingly demanding applications. However, long contexts pose significant deployment challenges, primarily due to the KV cache whose size…

Machine Learning · Computer Science 2026-03-10 Guangda Liu , Chengwei Li , Zhenyu Ning , Jing Lin , Yiwu Yao , Danning Ke , Minyi Guo , Jieru Zhao

Transformer-based large language models (LLMs) have demonstrated remarkable potential across a wide range of practical applications. However, long-context inference remains a significant challenge due to the substantial memory requirements…

Distributed, Parallel, and Cluster Computing · Computer Science 2026-01-09 Bo Jiang , Taolue Yang , Youyuan Liu , Xubin He , Sheng Di , Sian Jin

As Large Language Models (LLMs) scale to support context windows exceeding one million tokens, the linear growth of Key-Value (KV) cache imposes severe memory capacity and bandwidth bottlenecks, constraining the efficiency of long-context…

Computation and Language · Computer Science 2026-04-09 Zhirui Chen , Peiyang Liu , Ling Shao

Large Language Models (LLMs) are increasingly deployed in scenarios demanding ultra-long context reasoning, such as agentic workflows and deep research understanding. However, long-context inference is constrained by the KV cache, a…

Hardware Architecture · Computer Science 2026-03-11 Jianlong Lei , Shashikant Ilager

Large Language Models (LLMs) have revolutionized a wide range of domains such as natural language processing, computer vision, and multi-modal tasks due to their ability to comprehend context and perform logical reasoning. However, the…

Artificial Intelligence · Computer Science 2025-07-31 Haoyang Li , Yiming Li , Anxin Tian , Tianhao Tang , Zhanchao Xu , Xuejia Chen , Nicole Hu , Wei Dong , Qing Li , Lei Chen

Large Language Models (LLMs) have made remarkable progress in processing extensive contexts, with the Key-Value (KV) cache playing a vital role in enhancing their performance. However, the growth of the KV cache in response to increasing…

Computation and Language · Computer Science 2024-06-18 Yuhong Li , Yingbing Huang , Bowen Yang , Bharat Venkitesh , Acyr Locatelli , Hanchen Ye , Tianle Cai , Patrick Lewis , Deming Chen

This paper introduces MadaKV, a modality-adaptive key-value (KV) cache eviction strategy designed to enhance the efficiency of multimodal large language models (MLLMs) in long-context inference. In multimodal scenarios, attention heads…

Machine Learning · Computer Science 2025-06-23 Kunxi Li , Zhonghua Jiang , Zhouzhou Shen , Zhaode Wang , Chengfei Lv , Shengyu Zhang , Fan Wu , Fei Wu
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