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Low-Rank Adaptation (LoRA) has proven effective in reducing computational costs while maintaining performance comparable to fully fine-tuned foundation models across various tasks. However, its fixed low-rank structure restricts its…

计算机视觉与模式识别 · 计算机科学 2025-07-02 Chuyan Zhang , Kefan Wang , Yun Gu

Scaling critic capacity is a promising direction for improving off-policy reinforcement learning (RL). However, recent work shows that larger critics are prone to overfitting and instability in replay-based bootstrapped training. In this…

机器学习 · 计算机科学 2026-05-08 Yuan Zhuang , Yuexin Bian , Sihong He , Jie Feng , Qing Su , Songyang Han , Jonathan Petit , Shihao Ji , Yuanyuan Shi , Fei Miao

While Low-Rank Adaptation (LoRA) enables parameter-efficient fine-tuning for Large Language Models (LLMs), its performance often falls short of Full Fine-Tuning (Full FT). Current methods optimize LoRA by initializing with static singular…

计算与语言 · 计算机科学 2026-03-04 Chenghao Fan , Zhenyi Lu , Sichen Liu , Chengfeng Gu , Xiaoye Qu , Wei Wei , Yu Cheng

Existing low-rank adaptation (LoRA) methods face challenges on sparse large language models (LLMs) due to the inability to maintain sparsity. Recent works introduced methods that maintain sparsity by augmenting LoRA techniques with…

计算与语言 · 计算机科学 2025-01-16 Yuxuan Hu , Jing Zhang , Xiaodong Chen , Zhe Zhao , Cuiping Li , Hong Chen

Low-rank Adaption (LoRA) has been the de-facto parameter-efficient fine-tuning technique for large language models. We present HeteroLoRA, a light-weight search algorithm that leverages zero-cost proxies to allocate the limited LoRA…

机器学习 · 计算机科学 2024-06-24 Zixi Zhang , Cheng Zhang , Xitong Gao , Robert D. Mullins , George A. Constantinides , Yiren Zhao

Fine-tuning is a crucial paradigm for adapting pre-trained large language models to downstream tasks. Recently, methods like Low-Rank Adaptation (LoRA) have been shown to effectively fine-tune LLMs with an extreme reduction in trainable…

机器学习 · 计算机科学 2025-10-23 Reece Shuttleworth , Jacob Andreas , Antonio Torralba , Pratyusha Sharma

Fine-tuning is a key approach for adapting language models to specific downstream tasks, but updating all model parameters becomes impractical as model sizes increase. Parameter-Efficient Fine-Tuning (PEFT) methods, such as Low-Rank…

计算与语言 · 计算机科学 2025-02-10 Jiayang Yu , Yihang Zhang , Bin Wang , Peiqin Lin , Yongkang Liu , Shi Feng

Differential Transformer has recently been proposed to improve performance in Transformer models by canceling out noise through a denoiser attention mechanism. In this work, we introduce DiffLoRA, a parameter-efficient adaptation of the…

计算与语言 · 计算机科学 2025-08-01 Alexandre Misrahi , Nadezhda Chirkova , Maxime Louis , Vassilina Nikoulina

Sequential fine-tuning of pretrained language encoders often overwrites previously acquired capabilities, but the forgetting behavior of parameter-efficient updates remains under-characterized. We present a controlled empirical study of…

机器学习 · 计算机科学 2026-03-31 Ashish Pandey

Low-Rank Adaptation (LoRA) dominates parameter-efficient fine-tuning (PEFT). However, it faces a ``linear ceiling'': increasing the rank yields diminishing returns in expressive capacity due to intrinsic linear constraints. We introduce…

机器学习 · 计算机科学 2026-04-06 Hung-Hsuan Chen

Continual Learning (CL) requires models to sequentially adapt to new tasks without forgetting old knowledge. Recently, Low-Rank Adaptation (LoRA), a representative Parameter-Efficient Fine-Tuning (PEFT) method, has gained increasing…

机器学习 · 计算机科学 2026-05-26 Lingfeng He , De Cheng , Huaijie Wang , Xi Yang , Nannan Wang , Xinbo Gao

Adapter-based methods have become a cost-effective approach to continual learning (CL) for Large Language Models (LLMs), by sequentially learning a low-rank update matrix for each task. To mitigate catastrophic forgetting, state-of-the-art…

Low-rank adaptation (LoRA) has become a prevalent method for adapting pre-trained large language models to downstream tasks. However, the simple low-rank decomposition form may constrain the hypothesis space. To address this limitation, we…

机器学习 · 计算机科学 2025-04-30 Zhekai Du , Yinjie Min , Jingjing Li , Ke Lu , Changliang Zou , Liuhua Peng , Tingjin Chu , Mingming Gong

Low-Rank Adaptation (LoRA) has recently gained attention for fine-tuning foundation models by incorporating trainable low-rank matrices, thereby reducing the number of trainable parameters. While LoRA offers numerous advantages, its…

机器学习 · 计算机科学 2024-04-29 Yeming Wen , Swarat Chaudhuri

Self-supervised speech models are a rapidly developing research topic in fake audio detection. Many pre-trained models can serve as feature extractors, learning richer and higher-level speech features. However,when fine-tuning pre-trained…

声音 · 计算机科学 2023-06-12 Chenglong Wang , Jiangyan Yi , Xiaohui Zhang , Jianhua Tao , Le Xu , Ruibo Fu

Low-Rank Adaptation (LoRA) has become the standard for fine-tuning large pre-trained models at reduced computational cost. However, its low-rank point-estimate updates limit expressiveness, leave a persistent gap relative to full…

机器学习 · 计算机科学 2026-05-12 Dario Coscia , Sindy Löwe , Max Welling

Low-Rank Adaptation (LoRA) has become a cornerstone of parameter-efficient fine-tuning (PEFT). Yet, its efficacy is hampered by two fundamental limitations: semantic drift, by treating all update directions with equal importance, and…

计算机视觉与模式识别 · 计算机科学 2026-04-28 Xi Xiao , Chenrui Ma , Yunbei Zhang , Chen Liu , Zhuxuanzi Wang , Yanshu Li , Lin Zhao , Guosheng Hu , Tianyang Wang , Hao Xu

Low-Rank Adaptation (LoRA) has emerged as a widely used technique for adapting large language models (LLMs) to new domains, due to its modular design and broad availability on platforms such as HuggingFace. This availability has motivated…

机器学习 · 计算机科学 2025-10-15 Ziyi Han , Huanyu Wang , Zeyu Zhang , Xiangxiang Dai , Xutong Liu , John C. S. Lui

While Low-Rank Adaptation (LoRA) has proven beneficial for efficiently fine-tuning large models, LoRA fine-tuned text-to-image diffusion models lack diversity in the generated images, as the model tends to copy data from the observed…

This paper introduces Standard Basis LoRA (SBoRA), a novel parameter-efficient fine-tuning approach for Large Language Models that builds upon the pioneering works of Low-Rank Adaptation (LoRA) and Orthogonal Adaptation. SBoRA reduces the…

人工智能 · 计算机科学 2024-10-10 Lai-Man Po , Yuyang Liu , Haoxuan Wu , Tianqi Zhang , Wing-Yin Yu , Zhuohan Wang , Zeyu Jiang , Kun Li