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The attention operator remains a critical performance bottleneck in large language models (LLMs), particularly for long-context scenarios. While FlashAttention is the most widely used and effective GPU-aware acceleration algorithm, it must…

Large vision-language models (VLMs) enable joint processing of text and images. However, incorporating vision data significantly increases the prompt length, resulting in a longer time to first token (TTFT). This bottleneck can be…

计算机视觉与模式识别 · 计算机科学 2026-02-02 Tharun Adithya Srikrishnan , Deval Shah , Timothy Hein , Ahmed Hasssan , Stephen Youn , Steven K. Reinhardt

In this research, we deal with the problem of visual question answering (VQA) in remote sensing. While remotely sensed images contain information significant for the task of identification and object detection, they pose a great challenge…

计算机视觉与模式识别 · 计算机科学 2023-06-27 Jayesh Songara , Shivam Pande , Shabnam Choudhury , Biplab Banerjee , Rajbabu Velmurugan

We present an approximate attention mechanism named HyperAttention to address the computational challenges posed by the growing complexity of long contexts used in Large Language Models (LLMs). Recent work suggests that in the worst-case…

机器学习 · 计算机科学 2023-12-04 Insu Han , Rajesh Jayaram , Amin Karbasi , Vahab Mirrokni , David P. Woodruff , Amir Zandieh

In this work, we propose a training-free method to inject visual prompts into Multimodal Large Language Models (MLLMs) through test-time optimization of a learnable latent variable. We observe that attention, as the core module of MLLMs,…

计算机视觉与模式识别 · 计算机科学 2025-01-08 Mingrui Wu , Xinyue Cai , Jiayi Ji , Jiale Li , Oucheng Huang , Gen Luo , Hao Fei , Guannan Jiang , Xiaoshuai Sun , Rongrong Ji

The computational expense of redundant vision tokens in Large Vision-Language Models (LVLMs) has led many existing methods to compress them via a vision projector. However, this compression may lose visual information that is crucial for…

计算机视觉与模式识别 · 计算机科学 2025-11-27 Ze Feng , Jiang-jiang Liu , Sen Yang , Lingyu Xiao , Zhibin Quan , Zhenhua Feng , Wankou Yang , Jingdong Wang

Despite the rapid evolution of training paradigms, the decoder backbone of large vision--language models (LVLMs) remains fundamentally rooted in the residual-connection Transformer architecture. Therefore, deciphering the distinct roles of…

人工智能 · 计算机科学 2026-05-08 Gongli Xi , Ye Tian , Mengyu Yang , Huahui Yi , Liang Lin , Xiaoshuai Hao , Kun Wang , Wendong Wang

Vision-Language Models (VLMs) have demonstrated strong performance on tasks such as video captioning and visual question answering. However, their growing scale and video-level inputs lead to significant computational and memory overhead,…

硬件体系结构 · 计算机科学 2025-12-17 Chiyue Wei , Cong Guo , Junyao Zhang , Haoxuan Shan , Yifan Xu , Ziyue Zhang , Yudong Liu , Qinsi Wang , Changchun Zhou , Hai "Helen" Li , Yiran Chen

Diffusion Large Language Models (DLLMs) offer a compelling alternative to Auto-Regressive models, but their deployment is constrained by high decoding cost. In this work, we identify a key inefficiency in DLLM decoding: while computation is…

机器学习 · 计算机科学 2026-02-02 Kaihua Liang , Xin Tan , An Zhong , Hong Xu , Marco Canini

Multimodal in-context learning (ICL) equips Large Vision-language Models (LVLMs) with the ability to adapt to new tasks via multiple user-provided demonstrations, without requiring any model parameter updates. However, its effectiveness is…

计算机视觉与模式识别 · 计算机科学 2025-08-27 Yanshu Li , Yi Cao , Hongyang He , Qisen Cheng , Xiang Fu , Xi Xiao , Tianyang Wang , Ruixiang Tang

Recent advances in long video understanding typically mitigate visual redundancy through visual token pruning based on attention distribution. However, while existing methods employ post-hoc low-response token pruning in decoder layers,…

计算机视觉与模式识别 · 计算机科学 2025-03-12 Yongdong Luo , Wang Chen , Xiawu Zheng , Weizhong Huang , Shukang Yin , Haojia Lin , Chaoyou Fu , Jinfa Huang , Jiayi Ji , Jiebo Luo , Rongrong Ji

Existing Large Vision-Language Models (LVLMs) exhibit insufficient visual attention, leading to hallucinations. To alleviate this problem, some previous studies adjust and amplify visual attention. These methods present a limitation that…

计算机视觉与模式识别 · 计算机科学 2026-02-11 Jingyi Wang , Fei Li , Rujie Liu

Transformer-based Large Language Models (LLMs) have become increasingly important. However, due to the quadratic time complexity of attention computation, scaling LLMs to longer contexts incurs extremely slow inference speed and high GPU…

Recent Large Vision-Language Models (LVLMs) have shown promising reasoning capabilities on text-rich images from charts, tables, and documents. However, the abundant text within such images may increase the model's sensitivity to language.…

计算机视觉与模式识别 · 计算机科学 2024-12-24 Xinmiao Yu , Xiaocheng Feng , Yun Li , Minghui Liao , Ya-Qi Yu , Xiachong Feng , Weihong Zhong , Ruihan Chen , Mengkang Hu , Jihao Wu , Dandan Tu , Duyu Tang , Bing Qin

Large multimodal models (LMMs) "see" images by leveraging the attention mechanism between text and visual tokens in the transformer decoder. Ideally, these models should focus on key visual information relevant to the text token. However,…

计算机视觉与模式识别 · 计算机科学 2025-03-06 Seil Kang , Jinyeong Kim , Junhyeok Kim , Seong Jae Hwang

To enhance the efficiency of the attention mechanism within large language models (LLMs), previous works primarily compress the KV cache or group attention heads, while largely overlooking redundancy between layers. Our comprehensive…

计算与语言 · 计算机科学 2025-10-20 Yongyu Mu , Yuzhang Wu , Yuchun Fan , Chenglong Wang , Hengyu Li , Jiali Zeng , Qiaozhi He , Murun Yang , Fandong Meng , Jie Zhou , Tong Xiao , Jingbo Zhu

We present a novel non attention based architecture for large language models (LLMs) that efficiently handles very long context windows, on the order of hundreds of thousands to potentially millions of tokens. Unlike traditional Transformer…

机器学习 · 计算机科学 2025-06-04 Andrew Kiruluta , Preethi Raju , Priscilla Burity

Training large language models (LLMs) with increasingly long and varying sequence lengths introduces severe load imbalance challenges in large-scale data-parallel training. Recent frameworks attempt to mitigate these issues through data…

分布式、并行与集群计算 · 计算机科学 2025-09-30 Chang Chen , Tiancheng Chen , Jiangfei Duan , Qianchao Zhu , Zerui Wang , Qinghao Hu , Peng Sun , Xiuhong Li , Chao Yang , Torsten Hoefler

Multimodal Large Language Models (MLLMs) have significantly improved performance across various image-language applications. Recently, there has been a growing interest in adapting image pre-trained MLLMs for video-related tasks. However,…

计算机视觉与模式识别 · 计算机科学 2024-09-06 Mingze Gao , Jingyu Liu , Mingda Li , Jiangtao Xie , Qingbin Liu , Bo Zhao , Xi Chen , Hui Xiong

While Transformer self-attention offers strong parallelism, the Key-Value (KV) cache grows linearly with sequence length and becomes a bottleneck for inference efficiency. Multi-head latent attention was recently developed to compress the…

机器学习 · 计算机科学 2025-11-04 Keqi Deng , Philip C. Woodland