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Recently, prompt tuning \cite{lester2021power} has gradually become a new paradigm for NLP, which only depends on the representation of the words by freezing the parameters of pre-trained language models (PLMs) to obtain remarkable…

计算与语言 · 计算机科学 2022-01-31 Pan He , Yuxi Chen , Yan Wang , Yanru Zhang

Large Language Models (LLMs) rely on the Key-Value (KV) Cache to store token history, enabling efficient decoding of tokens. As the KV-Cache grows, it becomes a major memory and computation bottleneck. However, there is an opportunity to…

Transformer-based large models excel in natural language processing and computer vision, but face severe computational inefficiencies due to the self-attention's quadratic complexity with input tokens. Recently, researchers have proposed a…

计算与语言 · 计算机科学 2026-05-26 Haojie Ouyang , Jianwei Lv , Lei Ren , Chen Wei , Xiaojie Wang , Fangxiang Feng

As large language models (LLMs) tackle increasingly complex tasks and longer documents, their computational and memory costs during inference become a major bottleneck. To address this, we propose PromptDistill, a novel, training-free…

计算与语言 · 计算机科学 2025-04-01 Weisheng Jin , Maojia Song , Tej Deep Pala , Yew Ken Chia , Amir Zadeh , Chuan Li , Soujanya Poria

We present a novel inference scheme, self-speculative decoding, for accelerating Large Language Models (LLMs) without the need for an auxiliary model. This approach is characterized by a two-stage process: drafting and verification. The…

计算与语言 · 计算机科学 2025-02-11 Jun Zhang , Jue Wang , Huan Li , Lidan Shou , Ke Chen , Gang Chen , Sharad Mehrotra

In this paper, we introduce LightVLM, a simple but effective method that can be seamlessly deployed upon existing Vision-Language Models (VLMs) to greatly accelerate the inference process in a training-free manner. We divide the inference…

计算机视觉与模式识别 · 计算机科学 2025-09-03 Lianyu Hu , Fanhua Shang , Wei Feng , Liang Wan

Diffusion language models (DLMs) generate text through iterative denoising, but inference requires full-sequence attention at every iteration, resulting in substantial redundant computation on masked tokens. Block-wise diffusion can reduce…

机器学习 · 计算机科学 2026-02-03 Fengrui Zuo , Zhiwei Ke , Yiming Liu , Wenqi Lou , Chao Wang , Xuehai Zhou

Large language models (LLMs) are often used for infilling tasks, which involve predicting or generating missing information in a given text. These tasks typically require multiple interactions with similar context. To reduce the computation…

计算与语言 · 计算机科学 2025-05-30 Tianyu Guo , Hande Dong , Yichong Leng , Feng Liu , Cheater Lin , Nong Xiao , Xianwei Zhang

Video large language models (VLLMs) have significantly advanced recently in processing complex video content, yet their inference efficiency remains constrained because of the high computational cost stemming from the thousands of visual…

计算机视觉与模式识别 · 计算机科学 2025-03-31 Keda Tao , Can Qin , Haoxuan You , Yang Sui , Huan Wang

Large Language Models (LLMs) have ignited an innovative surge of AI applications, marking a new era of exciting possibilities equipped with extended context windows. However, hosting these models is cost-prohibitive mainly due to the…

计算与语言 · 计算机科学 2024-08-09 Yilong Chen , Guoxia Wang , Junyuan Shang , Shiyao Cui , Zhenyu Zhang , Tingwen Liu , Shuohuan Wang , Yu Sun , Dianhai Yu , Hua Wu

Large language models (LLMs) often incorporate multiple text chunks in their inputs to provide the necessary contexts. To speed up the prefill of the long LLM inputs, one can pre-compute the KV cache of a text and re-use the KV cache when…

机器学习 · 计算机科学 2025-04-07 Jiayi Yao , Hanchen Li , Yuhan Liu , Siddhant Ray , Yihua Cheng , Qizheng Zhang , Kuntai Du , Shan Lu , Junchen Jiang

The Key-Value (KV) cache in generative large language models (LLMs) introduces substantial memory overhead. Existing works mitigate this burden by offloading or compressing the KV cache. However, loading the entire cache incurs significant…

计算与语言 · 计算机科学 2025-05-28 Dingyu Yao , Bowen Shen , Zheng Lin , Wei Liu , Jian Luan , Bin Wang , Weiping Wang

Large Language Models (LLMs) exhibit enhanced capabilities by Chain-of-Thought reasoning. However, the extended reasoning sequences introduce significant GPU memory overhead due to increased key-value (KV) cache. Existing KV cache…

机器学习 · 计算机科学 2025-10-16 Haoyue Zhang , Hualei Zhang , Xiaosong Ma , Jie Zhang , Song Guo

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…

人工智能 · 计算机科学 2025-07-31 Haoyang Li , Yiming Li , Anxin Tian , Tianhao Tang , Zhanchao Xu , Xuejia Chen , Nicole Hu , Wei Dong , Qing Li , Lei Chen

With the wide adoption of language models for IR -- and specifically RAG systems -- the latency of the underlying LLM becomes a crucial bottleneck, since the long contexts of retrieved passages lead large prompts and therefore, compute…

信息检索 · 计算机科学 2026-04-06 Cornelius Kummer , Lena Jurkschat , Michael Färber , Sahar Vahdati

In long context scenarios, large language models (LLMs) face three main challenges: higher computational cost, performance reduction, and position bias. Research indicates that LLM performance hinges on the density and position of key…

计算与语言 · 计算机科学 2024-08-13 Huiqiang Jiang , Qianhui Wu , Xufang Luo , Dongsheng Li , Chin-Yew Lin , Yuqing Yang , Lili Qiu

Multimodal large language models (MLLMs) are plagued by exorbitant inference costs attributable to the profusion of visual tokens within the vision encoder. The redundant visual tokens engenders a substantial computational load and…

计算机视觉与模式识别 · 计算机科学 2026-02-03 Jiedong Zhuang , Lu Lu , Ming Dai , Rui Hu , Jian Chen , Qiang Liu , Haoji Hu

One of the most striking findings in modern research on large language models (LLMs) is that scaling up compute during training leads to better results. However, less attention has been given to the benefits of scaling compute during…

We study offline scheduling for large language model (LLM) serving under a fixed KV-cache memory budget, where requests have heterogeneous prompt (prefill) and response (decode) lengths. Prompt tokens determine initial KV usage, and each…

最优化与控制 · 数学 2026-02-11 Meixuan Wang , Yinyu Ye , Zijie Zhou

Retrieval-Augmented Language Modeling (RALM) by integrating large language models (LLM) with relevant documents from an external corpus is a proven method for enabling the LLM to generate information beyond the scope of its pre-training…

计算与语言 · 计算机科学 2025-06-16 Runheng Liu , Xingchen Xiao , Heyan Huang , Zewen Chi , Zhijing Wu