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Fine-tuning is an important step in adapting foundation models such as large language models to downstream tasks. To make this step more accessible to users with limited computational budgets, it is crucial to develop fine-tuning methods…

计算与语言 · 计算机科学 2025-07-28 Cen-Jhih Li , Aditya Bhaskara

We present a novel Parameter-Efficient Fine-Tuning (PEFT) method, dubbed as Adaptive Freezing of Low Rank Adaptation (AFLoRA). Specifically, for each pre-trained frozen weight tensor, we add a parallel path of trainable low-rank matrices,…

计算与语言 · 计算机科学 2024-04-17 Zeyu Liu , Souvik Kundu , Anni Li , Junrui Wan , Lianghao Jiang , Peter Anthony Beerel

In the realm of parameter-efficient fine-tuning (PEFT) methods, while options like LoRA are available, there is a persistent demand in the industry for a PEFT approach that excels in both efficiency and performance within the context of…

计算与语言 · 计算机科学 2025-02-04 Zequan Liu , Yi Zhao , Ming Tan , Wei Zhu , Aaron Xuxiang Tian

Existing parameter-efficient fine-tuning (PEFT) methods primarily adapt weight matrices while keeping activation functions fixed. We introduce \textbf{NoRA}, the first PEFT framework that directly adapts nonlinear activation functions in…

机器学习 · 计算机科学 2025-09-19 Bo Yin , Xingyi Yang , Xinchao Wang

Parameter Efficient Fine-Tuning (PEFT) techniques have drawn significant attention due to their ability to yield competitive results while updating only a small portion of the adjustable parameters. However, existing PEFT methods pose…

Parameter-Efficient Fine-Tuning (PEFT) methods are crucial for adapting large pre-trained models. Among these, LoRA is considered a foundational approach. Building on this, the influential DoRA method enhances performance by decomposing…

机器学习 · 计算机科学 2025-11-11 Da Chang , Peng Xue , Yu Li , Yongxiang Liu , Pengxiang Xu , Shixun Zhang

Various parameter-efficient fine-tuning (PEFT) techniques have been proposed to enable computationally efficient fine-tuning while maintaining model performance. However, existing PEFT methods are still limited by the growing number of…

计算与语言 · 计算机科学 2024-02-20 Yifan Yang , Jiajun Zhou , Ngai Wong , Zheng Zhang

Fine-tuning Large Language Models (LLMs) has become increasingly challenging due to their massive scale and associated computational costs. Parameter-Efficient Fine-Tuning (PEFT) methodologies have been proposed as computational…

计算与语言 · 计算机科学 2025-05-22 Jialong Han , Si Zhang , Ke Zhang

Low-Rank Adaptation (LoRA) is a widely adopted technique for parameter-efficient fine-tuning, but its slow convergence has spurred the development of numerous variants. Nevertheless, existing methods often fail to improve performance,…

计算与语言 · 计算机科学 2025-12-15 Jiale Kang , Qingyu Yin

Parameter-Efficient Fine-Tuning (PEFT) has become an essential approach for adapting large-scale pre-trained models while reducing computational costs. Among PEFT methods, LoRA significantly reduces trainable parameters by decomposing…

计算与语言 · 计算机科学 2025-03-31 Jiancheng Zhao , Xingda Yu , Zhen Yang

Low-Rank Adaptation (LoRA) is a popular method for parameter-efficient fine-tuning (PEFT) of generative models, valued for its simplicity and effectiveness. Despite recent enhancements, LoRA still suffers from a fundamental limitation:…

机器学习 · 计算机科学 2026-01-16 Yeonjoon Jung , Daehyun Ahn , Hyungjun Kim , Taesu Kim , Eunhyeok Park

Parameter-efficient finetuning (PEFT) methods seek to adapt large neural models via updates to a small number of weights. However, much prior interpretability work has shown that representations encode rich semantic information, suggesting…

Previous research has shown that the principal singular vectors of a pre-trained model's weight matrices capture critical knowledge. In contrast, those associated with small singular values may contain noise or less reliable information. As…

音频与语音处理 · 电气工程与系统科学 2025-02-10 Zhe Li , Man-wai Mak , Mert Pilanci , Hung-yi Lee , Helen Meng

Large Language Models (LLMs) have transformed both everyday life and scientific research. However, adapting LLMs from general-purpose models to specialized tasks remains challenging, particularly in resource-constrained environments.…

机器学习 · 计算机科学 2025-09-12 Hao Zhang , Bo Huang , Zhenjia Li , Xi Xiao , Hui Yi Leong , Zumeng Zhang , Xinwei Long , Tianyang Wang , Hao Xu

Fine-tuning large language models (LLMs) is often limited by the memory available on commodity GPUs. Parameter-efficient fine-tuning (PEFT) methods such as QLoRA reduce the number of trainable parameters, yet still incur high memory usage…

计算与语言 · 计算机科学 2025-12-17 Estelle Zheng , Nathan Cerisara , Sébastien Warichet , Emmanuel Helbert , Christophe Cerisara

Popular parameter-efficient fine-tuning (PEFT) methods, such as LoRA and its variants, freeze pre-trained model weights \(W\) and inject learnable matrices \(\Delta W\). These \(\Delta W\) matrices are structured for efficient…

Minor Component Adaptation (MiCA) is a novel parameter-efficient fine-tuning method for large language models that focuses on adapting underutilized subspaces of model representations. Unlike conventional methods such as Low-Rank Adaptation…

机器学习 · 计算机科学 2026-04-03 Sten Rüdiger , Sebastian Raschka

Self-supervised representation learning for point cloud has demonstrated effectiveness in improving pre-trained model performance across diverse tasks. However, as pre-trained models grow in complexity, fully fine-tuning them for downstream…

计算机视觉与模式识别 · 计算机科学 2025-05-28 Song Wang , Xiaolu Liu , Lingdong Kong , Jianyun Xu , Chunyong Hu , Gongfan Fang , Wentong Li , Jianke Zhu , Xinchao Wang

Parameter-Efficient Fine-tuning (PEFT) facilitates the fine-tuning of Large Language Models (LLMs) under limited resources. However, the fine-tuning performance with PEFT on complex, knowledge-intensive tasks is limited due to the…

计算与语言 · 计算机科学 2024-06-10 Jitai Hao , WeiWei Sun , Xin Xin , Qi Meng , Zhumin Chen , Pengjie Ren , Zhaochun Ren

Parameter-efficient fine-tuning (PEFT) reduces the training cost of full-parameter fine-tuning for large language models (LLMs) by training only a small set of task-specific parameters while freezing the pretrained backbone. However,…

计算与语言 · 计算机科学 2026-04-22 Xianming Li , Zongxi Li , Tsz-fung Andrew Lee , Jing Li , Haoran Xie , Qing Li