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Related papers: Bayesian Fine-tuning in Projected Subspaces

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Recently years have witnessed a rapid development of large language models (LLMs). Despite the strong ability in many language-understanding tasks, the heavy computational burden largely restricts the application of LLMs especially when one…

Machine Learning · Computer Science 2023-10-10 Yuhui Xu , Lingxi Xie , Xiaotao Gu , Xin Chen , Heng Chang , Hengheng Zhang , Zhengsu Chen , Xiaopeng Zhang , Qi Tian

Low-Rank Adaptation (LoRA) offers a parameter-efficient paradigm for tuning large models. While recent spectral initialization methods improve convergence and performance over the naive "Noise & Zeros" scheme, their extra computational and…

Machine Learning · Computer Science 2025-12-29 Zicheng Zhang , Haoran Li , Yifeng Zhang , Guoqiang Gong , Jiaxing Wang , Junxing Hu , Pengzhang Liu , Qixia Jiang

This paper develops a new perspective on parameter-efficient fine-tuning (PEFT) for LLMs, inspired by classical subspace minimization. We introduce a unifying framework, Parameter-Efficient Subspace Optimization (PESO), which recovers…

Optimization and Control · Mathematics 2026-02-12 Yuchen Lou , Zeqi Ye , Minshuo Chen

This work presents a novel, fully Riemannian framework for Low-Rank Adaptation (LoRA) that geometrically treats low-rank adapters by optimizing them directly on the fixed-rank manifold. This formulation eliminates the parametrization…

The advent of large language models (LLMs) has revolutionized natural language processing, enabling unprecedented capabilities in understanding and generating human-like text. However, the computational cost and convergence times associated…

Computation and Language · Computer Science 2024-11-26 Kerim Büyükakyüz

Low-Rank Adaptation (LoRA) has emerged as an effective technique for reducing memory overhead in fine-tuning large language models. However, it often suffers from sub-optimal performance compared with full fine-tuning since the update is…

Machine Learning · Computer Science 2025-09-30 Xin Yu , Yujia Wang , Jinghui Chen , Lingzhou Xue

The fine-tuning of Large Language Models (LLMs) has enabled them to recently achieve milestones in natural language processing applications. The emergence of ever larger LLMs has paved the way for more efficient fine-tuning methods. Among…

Computation and Language · Computer Science 2024-02-01 Christophe Tribes , Sacha Benarroch-Lelong , Peng Lu , Ivan Kobyzev

Modern Transformer-based models frequently suffer from miscalibration, producing overconfident predictions that do not reflect true empirical frequencies. This work investigates the calibration dynamics of LoRA: Low-Rank Adaptation and a…

Computation and Language · Computer Science 2026-03-31 Bartosz Trojan , Filip Gębala

Parameter-efficient fine-tuning (PEFT) has been widely employed for domain adaptation, with LoRA being one of the most prominent methods due to its simplicity and effectiveness. However, in multi-task learning (MTL) scenarios, LoRA tends to…

The widespread utilization of language models in modern applications is inconceivable without Parameter-Efficient Fine-Tuning techniques, such as low-rank adaptation ($\texttt{LoRA}$), which adds trainable adapters to selected layers.…

Machine Learning · Computer Science 2025-10-17 Andrey Veprikov , Vladimir Solodkin , Alexander Zyl , Andrey Savchenko , Aleksandr Beznosikov

Fine-tuning large language models (LLMs) is crucial for improving their performance on downstream tasks, but full-parameter fine-tuning (Full-FT) is computationally expensive and memory-intensive. Parameter-efficient fine-tuning (PEFT)…

Computation and Language · Computer Science 2026-05-12 Longteng Zhang , Lin Zhang , Shaohuai Shi , Xiaowen Chu , Bo Li

Low-rank adaptation (LoRA) is a fine-tuning technique that can be applied to conditional generative diffusion models. LoRA utilizes a small number of context examples to adapt the model to a specific domain, character, style, or concept.…

Computer Vision and Pattern Recognition · Computer Science 2024-10-08 Artur Kasymov , Marcin Sendera , Michał Stypułkowski , Maciej Zięba , Przemysław Spurek

We introduce Tied-LoRA, a novel paradigm leveraging weight tying and selective training to enhance the parameter efficiency of Low-rank Adaptation (LoRA). Our exploration encompasses different plausible combinations of parameter training…

Computation and Language · Computer Science 2024-04-16 Adithya Renduchintala , Tugrul Konuk , Oleksii Kuchaiev

In response to the challenges posed by the extensive parameter updates required for full fine-tuning of large-scale pre-trained models, parameter-efficient fine-tuning (PEFT) methods, exemplified by Low-Rank Adaptation (LoRA), have emerged.…

Computer Vision and Pattern Recognition · Computer Science 2024-10-11 Junjie Wang , Guangjing Yang , Wentao Chen , Huahui Yi , Xiaohu Wu , Zhouchen Lin , Qicheng Lao

A plethora of applications entail solving black-box optimization problems with high evaluation costs, including drug discovery, material design, as well as hyperparameter tuning. Toward finding the global optimum of such black-box…

Machine Learning · Computer Science 2025-10-06 Haotian Xiang , Jinwen Xu , Qin Lu

Low-rank adaptation (LoRA) has emerged as the de facto standard for parameter-efficient fine-tuning (PEFT) of foundation models, enabling the adaptation of billion-parameter networks with minimal computational and memory overhead. Despite…

Machine Learning · Computer Science 2026-04-24 Bingcong Li , Yilang Zhang , Georgios B. Giannakis

We introduce CoCo-LoRA, a multimodal, uncertainty-aware parameter-efficient fine-tuning method for text prediction tasks accompanied by audio context. Existing PEFT approaches such as LoRA are efficient but typically deterministic, while…

Machine Learning · Computer Science 2026-04-21 Habibeh Naderi , Behrouz Haji Soleimani , Stan Matwin

LoRA adapts large language models (LLMs) by restricting updates to low-rank subspaces of pre-trained weights. While this substantially reduces training cost, the effectiveness of adaptation critically depends on which subspace is chosen at…

Machine Learning · Computer Science 2026-05-28 Zhi-Quan Feng , Ying-Jia Lin , Hung-Yu Kao

Low-rank Adaptation (LoRA) has demonstrated remarkable capabilities for task specific fine-tuning. However, in scenarios that involve multiple tasks, training a separate LoRA model for each one results in considerable inefficiency in terms…

Computation and Language · Computer Science 2025-07-08 Yihua Shao , Minxi Yan , Yang Liu , Siyu Chen , Wenjie Chen , Xinwei Long , Ziyang Yan , Lei Li , Chenyu Zhang , Nicu Sebe , Hao Tang , Yan Wang , Hao Zhao , Mengzhu Wang , Jingcai Guo

Low-Rank Adaptation (LoRA) drives research to align its performance with full fine-tuning. However, significant challenges remain: (1) Simply increasing the rank size of LoRA does not effectively capture high-rank information, which leads…

Machine Learning · Computer Science 2024-10-21 Chuanyu Tang , Yilong Chen , Zhenyu Zhang , Junyuan Shang , Wenyuan Zhang , Yong Huang , Tingwen Liu