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In this work (Part I), we study three time-discretization procedures of the Dynamical Low-Rank Approximation (DLRA) of high-dimensional stochastic differential equations (SDEs). Specifically, we consider the Dynamically Orthogonal (DO)…

数值分析 · 数学 2026-01-30 Yoshihito Kazashi , Fabio Nobile , Fabio Zoccolan

Parameter efficient finetuning (PEFT) methods are widely used in LLMs and generative models in computer vision. Especially one can use multiple of these during inference to change the behavior of the base model. In this paper we…

计算机视觉与模式识别 · 计算机科学 2024-11-22 Ege Kesim , Selahattin Serdar Helli

Fine-tuning large language models (LLMs) on resource-constrained clients remains a challenging problem. Recent works have fused low-rank adaptation (LoRA) techniques with federated fine-tuning to mitigate challenges associated with client…

机器学习 · 计算机科学 2026-05-26 Wenzhi Fang , Dong-Jun Han , Liangqi Yuan , Seyyedali Hosseinalipour , Christopher G. Brinton

Model merging combines the parameters of multiple neural networks into a single model without additional training. As fine-tuned large language models (LLMs) proliferate, merging offers a computationally efficient alternative to ensembles…

计算与语言 · 计算机科学 2026-03-31 Mingyang Song , Mao Zheng

With the emergence of 3D foundation models, there is growing interest in fine-tuning them for downstream tasks, where LoRA is the dominant fine-tuning paradigm. As 3D datasets exhibit distinct variations in texture, geometry, camera motion,…

计算机视觉与模式识别 · 计算机科学 2026-05-27 Yu Jiang , Hanwen Jiang , Ahmed Abdelkader , Wen-Sheng Chu , Brandon Y. Feng , Zhangyang Wang , Qixing Huang

As deep learning models expand, the pre-training-fine-tuning paradigm has become the standard approach for handling various downstream tasks. However, shared parameters can lead to diminished performance when dealing with complex datasets…

机器学习 · 计算机科学 2025-05-13 Junzhou Xu , Boyu Diao

Low-Rank Adaptation (LoRA) is a crucial method for efficiently fine-tuning large language models (LLMs), with its effectiveness influenced by two key factors: rank selection and weight initialization. While numerous LoRA variants have been…

机器学习 · 计算机科学 2025-10-27 Haonan He , Peng Ye , Yuchen Ren , Yuan Yuan , Luyang Zhou , Shucun Ju , Lei Chen

We propose a multiscale method for mixed-dimensional elliptic problems with highly heterogeneous coefficients arising, for example, in the modeling of fractured porous media. The method is based on the Localized Orthogonal Decomposition…

数值分析 · 数学 2026-03-23 Moritz Hauck , Axel Målqvist , Malin Mosquera

Low-Rank Adaptation (LoRA) is extensively utilized in text-to-image models for the accurate rendition of specific elements like distinct characters or unique styles in generated images. Nonetheless, existing methods face challenges in…

计算机视觉与模式识别 · 计算机科学 2024-11-20 Ming Zhong , Yelong Shen , Shuohang Wang , Yadong Lu , Yizhu Jiao , Siru Ouyang , Donghan Yu , Jiawei Han , Weizhu Chen

Fine-tuning helps large language models (LLM) recover degraded information and enhance task performance. Although Low-Rank Adaptation (LoRA) is widely used and effective for fine-tuning, we have observed that its scaling factor can limit or…

Model merging is attracting attention as a novel method for creating a new model by combining the weights of different trained models. While previous studies reported that model merging works well for models trained on a single dataset with…

机器学习 · 计算机科学 2024-09-23 Masanori Yamada , Tomoya Yamashita , Shin'ya Yamaguchi , Daiki Chijiwa

While parameter-efficient fine-tuning (PEFT) techniques like Low-Rank Adaptation (LoRA) offer computationally efficient adaptations of Large Language Models (LLMs), their practical deployment often assumes centralized data and training…

机器学习 · 计算机科学 2025-08-25 Sajjad Ghiasvand , Mahnoosh Alizadeh , Ramtin Pedarsani

Low-Rank Adaptation (LoRA) enables efficient fine-tuning of large language models but suffers from catastrophic forgetting when learned updates interfere with the dominant singular directions that encode essential pre-trained knowledge. We…

计算与语言 · 计算机科学 2025-11-11 Yifeng Xiong , Xiaohui Xie

In this work, we introduce MOLA: a Multi-block Orthogonal Long short-term memory Autoencoder paradigm, to conduct accurate, reliable fault detection of industrial processes. To achieve this, MOLA effectively extracts dynamic orthogonal…

机器学习 · 计算机科学 2025-10-31 Fangyuan Ma , Cheng Ji , Jingde Wang , Wei Sun , Xun Tang , Zheyu Jiang

Model merging provides a scalable alternative to multi-task training by combining specialized finetuned models through parameter arithmetic, enabling efficient deployment without the need for joint training or access to all task data. While…

机器学习 · 计算机科学 2025-10-21 Yifei He , Siqi Zeng , Yuzheng Hu , Rui Yang , Tong Zhang , Han Zhao

As large language models (LLMs) continue to scale in size, the computational overhead has become a major bottleneck for task-specific fine-tuning. While low-rank adaptation (LoRA) effectively curtails this cost by confining the weight…

机器学习 · 计算机科学 2026-05-15 Yilang Zhang , Xiaodong Yang , Yiwei Cai , Georgios B. Giannakis

Parameter-efficient fine-tuning (PEFT) methods have emerged as a practical solution for adapting large foundation models to downstream tasks, reducing computational and memory costs by updating only a small subset of parameters. Among them,…

机器学习 · 计算机科学 2025-12-30 Guoan Wan , Tianyu Chen , Fangzheng Feng , Haoyi Zhou , Runhua Xu

Robotic middleware serves as the foundational infrastructure, enabling complex robotic systems to operate in a coordinated and modular manner. In data-intensive robotic applications, especially in industrial scenarios, communication…

机器人学 · 计算机科学 2026-02-17 Xiaodong Zhang , Baorui Lv , Xavier Tao , Xiong Wang , Jie Bao , Yong He , Yue Chen , Zijiang Yang

Adapting Large Language Models (LLMs) to new tasks through fine-tuning has been made more efficient by the introduction of Parameter-Efficient Fine-Tuning (PEFT) techniques, such as LoRA. However, these methods often underperform compared…

计算与语言 · 计算机科学 2024-05-24 Chunlin Tian , Zhan Shi , Zhijiang Guo , Li Li , Chengzhong Xu

Due to the demand for efficient fine-tuning of large language models, Low-Rank Adaptation (LoRA) has been widely adopted as one of the most effective parameter-efficient fine-tuning methods. Nevertheless, while LoRA improves efficiency,…

计算与语言 · 计算机科学 2025-06-13 Naibin Gu , Zhenyu Zhang , Xiyu Liu , Peng Fu , Zheng Lin , Shuohuan Wang , Yu Sun , Hua Wu , Weiping Wang , Haifeng Wang