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相关论文: SCOPE: Optimizing Key-Value Cache Compression in L…

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As the length of input text increases, the key-value (KV) cache in LLMs imposes prohibitive GPU memory costs and limits long-context inference on resource constrained devices. Existing approaches, such as KV quantization and pruning, reduce…

机器学习 · 计算机科学 2025-12-24 Tenghui Li , Guoxu Zhou , Xuyang Zhao , Yuning Qiu , Qibin Zhao

Long context capability is a crucial competency for large language models (LLMs) as it mitigates the human struggle to digest long-form texts. This capability enables complex task-solving scenarios such as book summarization, code…

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…

计算与语言 · 计算机科学 2025-06-10 Akshat Sharma , Hangliang Ding , Jianping Li , Neel Dani , Minjia Zhang

The Key-Value (KV) cache is integral to efficient autoregressive inference in large language models (LLMs), yet its unbounded growth in stateful multi-turn scenarios presents major challenges. This paper examines the interplay between KV…

机器学习 · 计算机科学 2025-11-10 Pratik Poudel

Large Language Models (LLMs) have been widely adopted to process long-context tasks. However, the large memory overhead of the key-value (KV) cache poses significant challenges in long-context scenarios. Existing training-free KV cache…

机器学习 · 计算机科学 2024-10-22 Luning Wang , Shiyao Li , Xuefei Ning , Zhihang Yuan , Shengen Yan , Guohao Dai , Yu Wang

Large Language Models (LLMs) require substantial computational resources during generation. While the Key-Value (KV) cache significantly accelerates this process by storing attention intermediates, its memory footprint grows linearly with…

计算与语言 · 计算机科学 2025-08-05 Yi Su , Quantong Qiu , Yuechi Zhou , Juntao Li , Qingrong Xia , Ping Li , Xinyu Duan , Zhefeng Wang , Min Zhang

Across large language model (LLM) applications, we observe an emerging trend for reusing KV caches to save the prefill delays of processing repeated input texts in different LLM inputs. This has led to a broad design space, including…

网络与互联网体系结构 · 计算机科学 2025-03-20 Hanchen Li , Yuhan Liu , Yihua Cheng , Kuntai Du , Junchen Jiang

As the field of Large Language Models (LLMs) continues to evolve, the context length in inference is steadily growing. Key-Value Cache (KVCache), the intermediate representations of tokens within LLM inference, has now become the primary…

计算与语言 · 计算机科学 2025-04-01 Hailin Zhang , Xiaodong Ji , Yilin Chen , Fangcheng Fu , Xupeng Miao , Xiaonan Nie , Weipeng Chen , Bin Cui

Large Language Models (LLMs), epitomized by ChatGPT's release in late 2022, have revolutionized various industries with their advanced language comprehension. However, their efficiency is challenged by the Transformer architecture's…

计算与语言 · 计算机科学 2024-11-21 Luohe Shi , Hongyi Zhang , Yao Yao , Zuchao Li , Hai Zhao

Long-context Large Language Models (LLMs) face significant memory bottlenecks during inference due to the linear growth of key-value (KV) cache with sequence length. While individual optimization techniques like KV cache quantization,…

机器学习 · 计算机科学 2025-12-02 Sai Gokhale , Devleena Das , Rajeev Patwari , Ashish Sirasao , Elliott Delaye

Key-Value (KV) caching is a common technique to enhance the computational efficiency of Large Language Models (LLMs), but its memory overhead grows rapidly with input length. Prior work has shown that not all tokens are equally important…

计算与语言 · 计算机科学 2025-10-24 Yu Fu , Zefan Cai , Abedelkadir Asi , Wayne Xiong , Yue Dong , Wen Xiao

The transformer's context window is vital for tasks such as few-shot learning and conditional generation as it preserves previous tokens for active memory. However, as the context lengths increase, the computational costs grow…

计算与语言 · 计算机科学 2025-04-01 Jeffrey Willette , Heejun Lee , Youngwan Lee , Myeongjae Jeon , Sung Ju Hwang

Key-Value (KV) cache plays a crucial role in accelerating inference in large language models (LLMs) by storing intermediate attention states and avoiding redundant computation during autoregressive generation. However, its memory footprint…

机器学习 · 计算机科学 2026-04-14 Yuzhen Mao , Qitong Wang , Martin Ester , Ke Li

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,…

计算与语言 · 计算机科学 2025-03-04 Fangyuan Xu , Tanya Goyal , Eunsol Choi

The advent of pre-trained large language models (LLMs) has revolutionized various natural language processing tasks. These models predominantly employ an auto-regressive decoding mechanism that utilizes Key-Value (KV) caches to eliminate…

计算与语言 · 计算机科学 2024-06-12 Hao Yu , Zelan Yang , Shen Li , Yong Li , Jianxin Wu

Large Language Models (LLMs) are increasingly being deployed on edge devices for long-context settings, creating a growing need for fast and efficient long-context inference. In these scenarios, the Key-Value (KV) cache is the primary…

Scaling the input context length of a large language model (LLM) incurs a significant increase in computation cost and memory footprint to maintain the attention key-value (KV) cache. Existing KV cache compression methods suffer from…

计算与语言 · 计算机科学 2025-01-31 Yuxiang Huang , Binhang Yuan , Xu Han , Chaojun Xiao , Zhiyuan Liu

Efficient key-value (KV) cache compression is critical for scaling transformer-based Large Language Models (LLMs) in long sequences and resource-limited settings. Existing methods evict tokens based on their positions or importance scores,…

计算与语言 · 计算机科学 2025-05-19 Ziwei He , Jian Yuan , Haoli Bai , Jingwen Leng , Bo Jiang

Recent advances in large language models (LLMs) have significantly boosted long-context processing. However, the increasing key-value (KV) cache size poses critical challenges to memory and execution efficiency. Most KV cache compression…

计算与语言 · 计算机科学 2025-08-05 Xiaolin Lin , Jingcun Wang , Olga Kondrateva , Yiyu Shi , Bing Li , Grace Li Zhang

In large language models performing long-form reasoning, the KV cache grows rapidly with decode length, creating bottlenecks in memory and inference stability. Existing reasoning-oriented KV compression has mostly followed an…

人工智能 · 计算机科学 2026-04-14 Buseong Kim , Heejun Gwon