中文
相关论文

相关论文: FocuSFT: Bilevel Optimization for Dilution-Aware L…

200 篇论文

While many advanced LLMs are designed to handle long sequence data, we can still observe notable quality degradation even within the sequence limit. In this work, we introduce a novel approach called Scaling to Emphasize Attention for…

计算与语言 · 计算机科学 2025-06-24 Changhun Lee , Minsang Seok , Jun-gyu Jin , Younghyun Cho , Eunhyeok Park

Efficient parallelization of Large Language Models (LLMs) with long sequences is essential but challenging due to their significant computational and memory demands, particularly stemming from communication bottlenecks in attention…

分布式、并行与集群计算 · 计算机科学 2024-12-31 Zongwu Wang , Fangxin Liu , Mingshuai Li , Li Jiang

Large Language Model (LLM) agents show great promise for complex, multi-turn tool-use tasks, but their development is often hampered by the extreme scarcity of high-quality training data. Supervised fine-tuning (SFT) on synthetic data leads…

人工智能 · 计算机科学 2026-02-02 Siyuan Lu , Zechuan Wang , Hongxuan Zhang , Qintong Wu , Leilei Gan , Chenyi Zhuang , Jinjie Gu , Tao Lin

Long-context transformers face significant efficiency challenges due to the quadratic cost of self-attention. However, many modern applications-from multi-turn dialogue to high-resolution vision-require contexts spanning tens of thousands…

机器学习 · 计算机科学 2025-05-20 Jacob Fein-Ashley , Neelesh Gupta , Rajgopal Kannan , Viktor Prasanna

Thinking with Images improves fine-grained VQA for MLLMs by emphasizing visual cues. However, tool-augmented methods depend on the capacity of grounding, which remains unreliable for MLLMs. In parallel, attention-driven methods to crop the…

计算机视觉与模式识别 · 计算机科学 2026-03-03 Zhaodong Wu , Haochen Xue , Qi Cao , Wenqi Mo , Yu Pei , Wenqi Xu , Jionglong Su , Yang Liu

Large reasoning models such as DeepSeek-R1 and their distilled variants achieve strong performance on complex reasoning tasks. Yet, distilling these models often demands large-scale data for supervised fine-tuning (SFT), motivating the…

计算与语言 · 计算机科学 2026-01-16 Lechen Zhang , Yunxiang Zhang , Wei Hu , Lu Wang

Large language models (LLMs) are known for their exceptional performance in natural language processing, making them highly effective in many human life-related or even job-related tasks. The attention mechanism in the Transformer…

计算与语言 · 计算机科学 2023-04-27 Shuai Li , Zhao Song , Yu Xia , Tong Yu , Tianyi Zhou

Supervised fine-tuning (SFT) followed by reinforcement learning (RL) has become a standard post-training paradigm for large language models. This paradigm provides a cold-start for RL exploration, avoiding the inefficiency of pure RL where…

人工智能 · 计算机科学 2026-05-29 Qi Liu , Mingdi Sun , Yongyi He , Zhi Zheng , Tong Xu , Yi Zheng , Zhefeng Wang , Enhong Chen

Supervised fine-tuning (SFT) has become a crucial step for aligning pretrained large language models (LLMs) using supervised datasets of input-output pairs. However, despite being supervised, SFT is inherently limited by its generative…

计算与语言 · 计算机科学 2025-07-25 Siqi Guo , Ilgee Hong , Vicente Balmaseda , Changlong Yu , Liang Qiu , Xin Liu , Haoming Jiang , Tuo Zhao , Tianbao Yang

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

Efficient attention algorithms are critical to mitigate the quadratic cost of attention in long-context workloads. Prior work utilises block-scaled quantisation techniques on Blackwell GPUs to move attention computation to 4-bit precision…

机器学习 · 计算机科学 2026-05-25 Joe Sharratt

Nowadays, Large Language Models (LLMs) have been trained using extended context lengths to foster more creative applications. However, long context training poses great challenges considering the constraint of GPU memory. It not only leads…

Video-grounded dialogues are very challenging due to (i) the complexity of videos which contain both spatial and temporal variations, and (ii) the complexity of user utterances which query different segments and/or different objects in…

计算机视觉与模式识别 · 计算机科学 2020-10-21 Hung Le , Doyen Sahoo , Nancy F. Chen , Steven C. H. Hoi

Large language models (LLMs) exhibit remarkable capabilities in handling natural language tasks; however, they may struggle to consistently follow complex instructions including those involve multiple constraints. Post-training LLMs using…

计算与语言 · 计算机科学 2025-05-20 Yuheng Lu , ZiMeng Bai , Caixia Yuan , Huixing Jiang , Xiaojie Wang

Large Language Models (LLMs), built on Transformer architectures, exhibit remarkable generalization across a wide range of tasks. However, fine-tuning these models for specific tasks remains resource-intensive due to their extensive…

机器学习 · 计算机科学 2025-05-15 Xinhao Yao , Hongjin Qian , Xiaolin Hu , Gengze Xu , Wei Liu , Jian Luan , Bin Wang , Yong Liu

Deploying long-context large language models (LLMs) is essential but poses significant computational and memory challenges. Caching all Key and Value (KV) states across all attention heads consumes substantial memory. Existing KV cache…

计算与语言 · 计算机科学 2024-10-15 Guangxuan Xiao , Jiaming Tang , Jingwei Zuo , Junxian Guo , Shang Yang , Haotian Tang , Yao Fu , Song Han

Visual reasoning abilities play a crucial role in understanding complex multimodal data, advancing both domain-specific applications and artificial general intelligence (AGI). Existing methods enhance Vision-Language Models (VLMs) through…

计算机视觉与模式识别 · 计算机科学 2025-10-07 Huajie Tan , Yuheng Ji , Xiaoshuai Hao , Xiansheng Chen , Pengwei Wang , Zhongyuan Wang , Shanghang Zhang

Local feature matching is an essential technique in image matching and plays a critical role in a wide range of vision-based applications. However, existing Transformer-based detector-free local feature matching methods encounter challenges…

计算机视觉与模式识别 · 计算机科学 2024-10-31 Naijian Cao , Renjie He , Yuchao Dai , Mingyi He

The human auditory system has the ability to selectively focus on key speech elements in an audio stream while giving secondary attention to less relevant areas such as noise or distortion within the background, dynamically adjusting its…

音频与语音处理 · 电气工程与系统科学 2026-04-09 Nursadul Mamun , John H. L. Hansen

Pretrained bidirectional Transformers, such as BERT, have achieved significant improvements in a wide variety of language understanding tasks, while it is not straightforward to directly apply them for natural language generation. In this…

计算与语言 · 计算机科学 2021-10-27 Hangbo Bao , Li Dong , Wenhui Wang , Nan Yang , Furu Wei