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Low-rank adaptation (LoRA) is a parameter-efficient fine-tuning (PEFT) method widely used in large language models (LLMs). It approximates the update of a pretrained weight matrix $W\in\mathbb{R}^{m\times n}$ by the product of two low-rank…

Machine Learning · Computer Science 2025-08-12 Shiwei Li , Xiandi Luo , Haozhao Wang , Xing Tang , Ziqiang Cui , Dugang Liu , Yuhua Li , Xiuqiang He , Ruixuan Li

Fine-tuning pre-trained large language models in a parameter-efficient manner is widely studied for its effectiveness and efficiency. The popular method of low-rank adaptation (LoRA) offers a notable approach, hypothesizing that the…

Computation and Language · Computer Science 2023-11-21 Ning Ding , Xingtai Lv , Qiaosen Wang , Yulin Chen , Bowen Zhou , Zhiyuan Liu , Maosong Sun

With the increasing availability of Foundation Models, federated tuning has garnered attention in the field of federated learning, utilizing data and computation resources from multiple clients to collaboratively fine-tune foundation…

Machine Learning · Computer Science 2024-03-13 Shangchao Su , Bin Li , Xiangyang Xue

Vision Transformers (ViTs) have been widely adopted in vision tasks due to their strong transferability. In Federated Learning (FL), where full fine-tuning is communication heavy, Low-Rank Adaptation (LoRA) provides an efficient and…

Computer Vision and Pattern Recognition · Computer Science 2026-03-04 Zihao Peng , Nan Zou , Jiandian Zeng , Guo Li , Ke Chen , Boyuan Li , Tian Wang

The surge in interest and application of large language models (LLMs) has sparked a drive to fine-tune these models to suit specific applications, such as finance and medical science. However, concerns regarding data privacy have emerged,…

Machine Learning · Computer Science 2024-06-04 Xiao-Yang Liu , Rongyi Zhu , Daochen Zha , Jiechao Gao , Shan Zhong , Matt White , Meikang Qiu

Low-Rank Adaptation (LoRA) offers a cost-effective solution for fine-tuning large language models (LLMs), but it often produces overconfident predictions in data-scarce few-shot settings. To address this issue, several classical statistical…

Machine Learning · Computer Science 2025-10-31 Amir Hossein Rahmati , Sanket Jantre , Weifeng Zhang , Yucheng Wang , Byung-Jun Yoon , Nathan M. Urban , Xiaoning Qian

Low-rank adaptation (LoRA) and its mixture-of-experts (MOE) variants are highly effective parameter-efficient fine-tuning (PEFT) methods. However, they introduce significant latency in multi-tenant settings due to the LoRA modules and MOE…

Computation and Language · Computer Science 2024-10-24 Jingfan Zhang , Yi Zhao , Dan Chen , Xing Tian , Huanran Zheng , Wei Zhu

The rising popularity of large foundation models has led to a heightened demand for parameter-efficient fine-tuning methods, such as Low-Rank Adaptation (LoRA), which offer performance comparable to full model fine-tuning while requiring…

Computer Vision and Pattern Recognition · Computer Science 2025-02-05 Farzad Farhadzadeh , Debasmit Das , Shubhankar Borse , Fatih Porikli

There has been a significant increase in the deployment of neural network models, presenting substantial challenges in model adaptation and fine-tuning. Efficient adaptation is crucial in maintaining model performance across diverse tasks…

Machine Learning · Computer Science 2025-04-02 Maolin Wang , Xiangyu Zhao

Federated LoRA has emerged as a promising technique for efficiently fine-tuning large language models (LLMs) on distributed devices by reducing the number of trainable parameters. However, existing approaches often inadequately overlook the…

Machine Learning · Computer Science 2025-07-15 Yanzhao Hou , Jiaxiang Geng , Boyu Li , Xiaofeng Tao , Juncheng Wang , Xiaodong Xu , Bing Luo

As the large language models (LLMs) grow in size each day, efficient training and fine-tuning has never been as important as nowadays. This resulted in the great interest in parameter efficient fine-tuning (PEFT), and effective methods…

Machine Learning · Computer Science 2025-11-04 Dhananjaya Gowda , Seoha Song , Junhyun Lee , Harshith Goka

Low-Rank Adaptation (LoRA) fine-tunes large models by learning low-rank updates on top of frozen weights, dramatically reducing trainable parameters and memory. However, there is still a gap between full training with low-rank projections…

With the rapid scaling of large language models (LLMs), serving numerous low-rank adaptations (LoRAs) concurrently has become increasingly impractical, leading to unaffordable costs and necessitating more parameter-efficient finetuning…

Machine Learning · Computer Science 2024-05-28 Sheng Wang , Boyang Xue , Jiacheng Ye , Jiyue Jiang , Liheng Chen , Lingpeng Kong , Chuan Wu

Efficiently enhancing the reasoning capabilities of large language models (LLMs) in federated learning environments remains challenging, particularly when balancing performance gains with strict computational, communication, and privacy…

Computation and Language · Computer Science 2025-08-15 Chuan Li , Qianyi Zhao , Fengran Mo , Cen Chen

An important paradigm of natural language processing consists of large-scale pre-training on general domain data and adaptation to particular tasks or domains. As we pre-train larger models, full fine-tuning, which retrains all model…

Computation and Language · Computer Science 2021-10-19 Edward J. Hu , Yelong Shen , Phillip Wallis , Zeyuan Allen-Zhu , Yuanzhi Li , Shean Wang , Lu Wang , Weizhu Chen

Parameter-Efficient Fine-Tuning (PEFT), particularly Low-Rank Adaptation (LoRA), has become a standard approach for adapting Large Language Models (LLMs) under limited compute. However, in continual settings where models are updated…

Machine Learning · Computer Science 2026-05-14 Hung Le , Svetha Venkatesh

Parameter-efficient fine-tuning (PEFT) has become the standard approach for adapting large language models under limited compute and memory budgets. Although previous methods improve efficiency through low-rank updates, quantization, or…

Machine Learning · Computer Science 2025-10-21 Zhuxuanzi Wang , Mingqiao Mo , Xi Xiao , Chen Liu , Chenrui Ma , Yunbei Zhang , Xiao Wang , Smita Krishnaswamy , Tianyang Wang

Federated learning is a distributed machine learning paradigm designed to protect user data privacy, which has been successfully implemented across various scenarios. In traditional federated learning, the entire parameter set of local…

Machine Learning · Computer Science 2024-11-07 Haolin Wang , Xuefeng Liu , Jianwei Niu , Wenkai Guo , Shaojie Tang

Federated learning (FL) allows mutually untrusted clients to collaboratively train a common machine learning model without sharing their private/proprietary training data among each other. FL is unfortunately susceptible to poisoning by…

Machine Learning · Computer Science 2022-08-18 Hamid Mozaffari , Virat Shejwalkar , Amir Houmansadr

Parameter-efficient fine-tuning methods such as LoRA enable efficient adaptation of large pretrained models but often fall short of full fine-tuning performance. Existing approaches focus on aligning parameter updates, which only indirectly…

Machine Learning · Computer Science 2026-04-01 Frédéric Zheng , Alexandre Proutière