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Recent developments have shown that Muon-type optimizers based on linear minimization oracles (LMOs) over non-Euclidean norm balls have the potential to get superior practical performance than Adam-type methods in the training of large…

Machine Learning · Computer Science 2026-04-14 Xun Qian , Alexander Gaponov , Grigory Malinovsky , Peter Richtárik

Machine unlearning (MU) has emerged to enhance the privacy and trustworthiness of deep neural networks. Approximate MU is a practical method for large-scale models. Our investigation into approximate MU starts with identifying the steepest…

Machine Learning · Computer Science 2024-10-01 Zhehao Huang , Xinwen Cheng , JingHao Zheng , Haoran Wang , Zhengbao He , Tao Li , Xiaolin Huang

The Muon optimizer is consistently faster than Adam in training Large Language Models (LLMs), yet the mechanism underlying its success remains unclear. This paper demystifies this mechanism through the lens of associative memory. By…

Machine Learning · Computer Science 2025-10-07 Shuche Wang , Fengzhuo Zhang , Jiaxiang Li , Cunxiao Du , Chao Du , Tianyu Pang , Zhuoran Yang , Mingyi Hong , Vincent Y. F. Tan

Recent studies have demonstrated Large Language Models (LLMs) can extend their zero-shot generalization capabilities to multimodal learning through instruction tuning. As more modalities and downstream tasks are introduced, negative…

Computer Vision and Pattern Recognition · Computer Science 2024-11-26 Zeren Chen , Ziqin Wang , Zhen Wang , Huayang Liu , Zhenfei Yin , Si Liu , Lu Sheng , Wanli Ouyang , Yu Qiao , Jing Shao

We propose a new finetuning method to provide pre-trained large language models (LMs) the ability to scale test-time compute through the diffusion framework. By increasing the number of diffusion steps, we show our finetuned models achieve…

Computation and Language · Computer Science 2025-06-04 Edoardo Cetin , Tianyu Zhao , Yujin Tang

Recent optimizers such as Lion and Muon have demonstrated strong empirical performance by normalizing gradient momentum via linear minimization oracles (LMOs). While variance reduction has been explored to accelerate LMO-based methods, it…

Machine Learning · Computer Science 2026-05-08 Won-Jun Jang , Si-Hyeon Lee

When machine learning models are trained continually on a sequence of tasks, they are often liable to forget what they learned on previous tasks--a phenomenon known as catastrophic forgetting. Proposed solutions to catastrophic forgetting…

Machine Learning · Computer Science 2025-12-18 Youngjae Min , Benjamin Wright , Jeremy Bernstein , Navid Azizan

The rapid growth of large language models (LLMs) with traditional centralized fine-tuning emerges as a key technique for adapting these models to domain-specific challenges, yielding privacy risks for both model and data owners. One…

Computation and Language · Computer Science 2025-07-08 Kai Yao , Zhaorui Tan , Penglei Gao , Lichun Li , Kaixin Wu , Yinggui Wang , Yuan Zhao , Yixin Ji , Wei Wang , Jianke Zhu

Incremental unlearning (IU) is critical for pre-trained models to comply with sequential data deletion requests, yet existing methods primarily suppress parameters or confuse knowledge without explicit constraints on both feature and…

Machine Learning · Computer Science 2026-01-21 Qian Feng , JiaHang Tu , Mintong Kang , Hanbin Zhao , Chao Zhang , Hui Qian

This study investigates the impact of localized updates to large language models (LLMs), specifically in the context of knowledge editing - a task aimed at incorporating or modifying specific facts without altering broader model…

Computation and Language · Computer Science 2025-02-27 Akshat Gupta , Christine Fang , Atahan Ozdemir , Maochuan Lu , Ahmed Alaa , Thomas Hartvigsen , Gopala Anumanchipalli

Recent advances in large language models (LLMs) have enabled breakthroughs in many multimodal generation tasks, but a significant performance gap still exists in text-to-motion generation, where LLM-based methods lag far behind non-LLM…

Computer Vision and Pattern Recognition · Computer Science 2025-06-24 Chuhao Jin , Haosen Li , Bingzi Zhang , Che Liu , Xiting Wang , Ruihua Song , Wenbing Huang , Ying Qin , Fuzheng Zhang , Di Zhang

Continual fine-tuning of Large Language Models (LLMs) is hampered by the trade-off between efficiency and expressiveness. Low-Rank Adaptation (LoRA) offers efficiency but constrains the model's ability to learn new tasks and transfer…

Machine Learning · Computer Science 2025-07-08 Chenxu Wang , Yilin Lyu , Zicheng Sun , Liping Jing

The majority of parameters in neural networks are naturally represented as matrices. However, most commonly used optimizers treat these matrix parameters as flattened vectors during optimization, potentially overlooking their inherent…

Machine Learning · Statistics 2026-04-15 Wei Shen , Ruichuan Huang , Minhui Huang , Cong Shen , Jiawei Zhang

In large-scale optimization, the cheapness and effectiveness of update steps are the most crucial factors for a successful optimizer. Sign-based optimizers like Lion or Signum produce cheap per-step updates, whereas Muon's spectral…

Prompt tuning, like CoOp, has recently shown promising vision recognizing and transfer learning ability on various downstream tasks with the emergence of large pre-trained vision-language models like CLIP. However, we identify that existing…

Computer Vision and Pattern Recognition · Computer Science 2024-07-16 Yongzhu Miao , Shasha Li , Jintao Tang , Ting Wang

The use of orthogonal projections on high-dimensional input and target data in learning frameworks is studied. First, we investigate the relations between two standard objectives in dimension reduction, preservation of variance and of…

Large language model (LLM) alignment faces a critical dilemma when addressing multiple human preferences: improvements in one dimension frequently come at the expense of others, creating unavoidable trade-offs between competing objectives…

Continual learning has emerged as a pivotal area of research, primarily due to its advantageous characteristic that allows models to persistently acquire and retain information. However, catastrophic forgetting can severely impair model…

Machine Learning · Computer Science 2026-01-28 KaiHui Huang , RunQing Wu , JinHui Sheng , HanYi Zhang , Ling Ge , JinYu Guo , Fei Ye

Despite the remarkable performance of multimodal large language models (MLLMs) across diverse tasks, the substantial training and inference costs impede their advancement. In this paper, we propose p-MoD, an efficient MLLM architecture that…

Computer Vision and Pattern Recognition · Computer Science 2025-08-07 Jun Zhang , Desen Meng , Zhengming Zhang , Zhenpeng Huang , Tao Wu , Limin Wang

As the foundational component of versatile AI applications, training an multimodal large language model (MLLM) relies on multimodal datasets with dynamic modality mixture proportions and sample length distributions. However, existing MLLM…

Distributed, Parallel, and Cluster Computing · Computer Science 2026-05-12 Chunyu Xue , Yangrui Chen , Jianyu Jiang , Ningxin Zheng , Junda Feng , Jingji Chen , Shixiong Zhao , Shen Yan , Yi Lin , Lei Shi , Zanbo Wang , Lishu Luo , Faming Wu , Haibin Lin , Xin Liu , Yanghua Peng , Quan Chen