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Video Large Language Models (Video-LLMs) have demonstrated significant potential in the areas of video captioning, search, and summarization. However, current Video-LLMs still face challenges with long real-world videos. Recent methods have…

Computer Vision and Pattern Recognition · Computer Science 2025-11-11 Yilong Chen , Xiang Bai , Zhibin Wang , Chengyu Bai , Yuhan Dai , Ming Lu , Shanghang Zhang

KV cache quantization can improve Large Language Models (LLMs) inference throughput and latency in long contexts and large batch-size scenarios while preserving LLMs effectiveness. However, current methods have three unsolved issues:…

Machine Learning · Computer Science 2025-11-21 Xing Li , Zeyu Xing , Yiming Li , Linping Qu , Hui-Ling Zhen , Wulong Liu , Yiwu Yao , Sinno Jialin Pan , Mingxuan Yuan

Generating long sequences of tokens given a long-context input is a very compute-intensive inference scenario for large language models (LLMs). One prominent inference speed-up approach is to construct a smaller key-value (KV) cache,…

Computation and Language · Computer Science 2025-03-04 Fangyuan Xu , Tanya Goyal , Eunsol Choi

Large language models (LLMs) have achieved remarkable success on various aspects of human life. However, one of the major challenges in deploying these models is the substantial memory consumption required to store key-value pairs (KV),…

Machine Learning · Computer Science 2025-02-26 Qiheng Sun , Hongwei Zhang , Haocheng Xia , Jiayao Zhang , Jinfei Liu , Kui Ren

Serving large language models (LLMs) at scale necessitates efficient key-value (KV) cache management. KV caches can be reused across conversation turns via shared-prefix prompts that are common in iterative code editing and chat. However,…

Computation and Language · Computer Science 2026-03-12 Konrad Staniszewski , Adrian Łańcucki

LLMs are widely adopted in production, pushing inference systems to their limits. Disaggregated LLM serving (e.g., PD separation and KV state disaggregation) improves scalability and cost efficiency, but it also turns KV into an explicit…

Distributed, Parallel, and Cluster Computing · Computer Science 2026-05-14 Zedong Liu , Xinyang Ma , Dejun Luo , Hairui Zhao , Bing Lu , Wenjing Huang , Yida Gu , Xingchen Liu , Zheng Wei , Jinyang Liu , Dingwen Tao , Guangming Tan

The increasing input sequence length in Large Language Models (LLMs) puts significant pressure on key-value (KV) cache storage, making efficient inference challenging. Explicitly distinguishing attention behavior into our self-defined…

Computation and Language · Computer Science 2025-08-25 Mengjie Li , William J. Song

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

Large language models (LLMs) represent a groundbreaking advancement in the domain of natural language processing due to their impressive reasoning abilities. Recently, there has been considerable interest in increasing the context lengths…

Machine Learning · Computer Science 2024-11-11 Utkarsh Saxena , Gobinda Saha , Sakshi Choudhary , Kaushik Roy

Despite recent efforts in understanding the compression impact on large language models (LLMs) in terms of their downstream task performance and trustworthiness on relatively simpler uni-modal benchmarks (for example, question answering,…

Computer Vision and Pattern Recognition · Computer Science 2025-03-10 Souvik Kundu , Anahita Bhiwandiwalla , Sungduk Yu , Phillip Howard , Tiep Le , Sharath Nittur Sridhar , David Cobbley , Hao Kang , Vasudev Lal

KV cache quantization reduces the memory cost of long-context LLM inference, but introduces approximation error that is typically validated only empirically. Existing systems rely on average-case robustness, with no mechanism to detect or…

Machine Learning · Computer Science 2026-05-21 Dean Calver

The KV cache used in large language models has linearly growing time complexity, so LLMs face memory blow-up and reduced decoding efficiency when they process long contexts. Current KV Cache eviction has become an important research…

Artificial Intelligence · Computer Science 2026-05-26 Wei Luo , Yi Huang , Songchen Ma , Huanyu Qu , Jiang Cai , Mingkun Xu

The key-value (KV) cache is a primary memory bottleneck in Transformers. We propose Low-Rank Key-Value (LRKV) attention, which reduces KV cache memory by exploiting redundancy across attention heads, while being compute efficient. Each…

Machine Learning · Computer Science 2026-04-09 James O'Neill , Robert Clancy , Mariia Matskevichus , Fergal Reid

In this study, we introduce adaptive KV cache compression, a plug-and-play method that reduces the memory footprint of generative inference for Large Language Models (LLMs). Different from the conventional KV cache that retains key and…

Computation and Language · Computer Science 2024-10-31 Suyu Ge , Yunan Zhang , Liyuan Liu , Minjia Zhang , Jiawei Han , Jianfeng Gao

Whether attention key value (KV) states computed for one prompt for a small LLM can be reused to accelerate inference on a new similar prompt, giving an increase to the space to its context memory using an approach called token recycling.…

Machine Learning · Computer Science 2025-12-16 Prashant Pandey

The linear memory growth of the KV cache poses a significant bottleneck for LLM inference in long-context tasks. Existing static compression methods often fail to preserve globally important information. Although recent dynamic retrieval…

Computation and Language · Computer Science 2026-04-21 Zhiyuan Shi , Qibo Qiu , Feng Xue , Zhonglin Jiang , Li Yu , Jian Jiang , Xiaofei He , Wenxiao Wang

Key-value (KV) caching is widely used to accelerate transformer inference, but its memory cost grows linearly with input length, limiting long-context deployment. Existing token eviction methods reduce memory by discarding less important…

Machine Learning · Computer Science 2026-03-24 Ruijie Miao , Zhiming Wang , Wang Li , Shiwei Wu , Shufan Liu , Yanbing Jiang , Tong Yang

This study presents an ensemble technique, SPQ (SVD-Pruning-Quantization), for large language model (LLM) compression that combines variance-retained singular value decomposition (SVD), activation-based pruning, and post-training linear…

Computation and Language · Computer Science 2026-02-23 Jiamin Yao , Eren Gultepe

Suffix jailbreak attacks serve as a systematic method for red-teaming Large Language Models (LLMs) but suffer from prohibitive computational costs, as a large number of candidate suffixes need to be evaluated before identifying a jailbreak…

Cryptography and Security · Computer Science 2026-05-13 Xinhai Wang , Shaopeng Fu , Shu Yang , Liangyu Wang , Tianhang Zheng , Di Wang

KV cache memory is the dominant bottleneck for long-context LLM inference. Existing compression methods each act on a single axis of the four-dimensional KV tensor -- token eviction (sequence), quantization (precision), low-rank projection…

Machine Learning · Computer Science 2026-04-21 Libo Sun , Peixiong He , Po-Wei Harn , Xiao Qin