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Low-Rank Adaptation (LoRA) is a widely adopted parameter-efficient method for fine-tuning Large Langauge Models. It updates the weight matrix as $W=W_0+sBA$, where $W_0$ is the original frozen weight, $s$ is a scaling factor and $A$,$B$ are…

机器学习 · 计算机科学 2026-03-06 Yize Wu , Ke Gao , Ling Li , Yanjun Wu

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

The remarkable capabilities of Large Language Models (LLMs) often need to be tailored for specific applications, requiring the integration of new knowledge or the acquisition of new skills. While full fine-tuning is a powerful adaptation…

机器学习 · 计算机科学 2025-11-05 Bernd Bohnet , Rumen Dangovski , Kevin Swersky , Sherry Moore , Arslan Chaudhry , Kathleen Kenealy , Noah Fiedel

Low-Rank Adaptation~(LoRA), which updates the dense neural network layers with pluggable low-rank matrices, is one of the best performed parameter efficient fine-tuning paradigms. Furthermore, it has significant advantages in cross-task…

机器学习 · 计算机科学 2024-10-25 Yuren Mao , Yuhang Ge , Yijiang Fan , Wenyi Xu , Yu Mi , Zhonghao Hu , Yunjun Gao

Human Activity Recognition is a foundational task in pervasive computing. While recent advances in self-supervised learning and transformer-based architectures have significantly improved HAR performance, adapting large pretrained models to…

机器学习 · 计算机科学 2025-12-23 Irina Seregina , Philippe Lalanda , German Vega

Low Rank Adaptation (LoRA) is a popular Parameter Efficient Fine Tuning (PEFT) method that effectively adapts large pre-trained models for downstream tasks. LoRA parameterizes model updates using low-rank matrices at each layer,…

计算与语言 · 计算机科学 2025-02-04 Ignacio Hounie , Charilaos Kanatsoulis , Arnuv Tandon , Alejandro Ribeiro

Training large models ranging from millions to billions of parameters is highly resource-intensive, requiring significant time, compute, and memory. It is observed that most of the learning (higher change in weights) takes place in the…

机器学习 · 计算机科学 2026-03-16 Krishu K Thapa , Reet Barik , Krishna Teja Chitty-Venkata , Murali Emani , Venkatram Vishwanath

Pre-training Large Language Models (LLMs) on web-scale datasets becomes fundamental for advancing general-purpose AI. In contrast, enhancing their predictive performance on downstream tasks typically involves adapting their knowledge…

Fine-tuning large-scale pre-trained models is inherently a resource-intensive task. While it can enhance the capabilities of the model, it also incurs substantial computational costs, posing challenges to the practical application of…

计算与语言 · 计算机科学 2024-06-27 Yulong Mao , Kaiyu Huang , Changhao Guan , Ganglin Bao , Fengran Mo , Jinan Xu

Despite the empirical success of Low-Rank Adaptation (LoRA) in fine-tuning pre-trained models, there is little theoretical understanding of how first-order methods with carefully crafted initialization adapt models to new tasks. In this…

机器学习 · 计算机科学 2025-03-11 Ziqing Xu , Hancheng Min , Lachlan Ewen MacDonald , Jinqi Luo , Salma Tarmoun , Enrique Mallada , Rene Vidal

Low-rank adaption (LoRA) is a widely used parameter-efficient finetuning method for LLM that reduces memory requirements. However, current LoRA optimizers lack transformation invariance, meaning the actual updates to the weights depends on…

机器学习 · 计算机科学 2025-07-18 Jui-Nan Yen , Si Si , Zhao Meng , Felix Yu , Sai Surya Duvvuri , Inderjit S. Dhillon , Cho-Jui Hsieh , Sanjiv Kumar

Low-Rank Adapters (LoRAs) have transformed the fine-tuning of Large Language Models (LLMs) by enabling parameter-efficient updates. However, their widespread adoption remains limited by the reliance on GPU-based training. In this work, we…

机器学习 · 计算机科学 2025-07-03 Reza Arabpour , Haitz Sáez de Ocáriz Borde , Anastasis Kratsios

In the training of large language models, parameter-efficient techniques such as LoRA optimize memory usage and reduce communication overhead and memory usage during the fine-tuning phase. However, applying such techniques directly during…

机器学习 · 计算机科学 2025-01-03 Kaiye Zhou , Shucheng Wang , Jun Xu

Low-Rank Adaptation (LoRA) is a widely adopted parameter-efficient fine-tuning (PEFT) method for Large Language Models (LLMs), but it still incurs notable overhead and suffers from parameter interference in complex datasets. While recent…

计算与语言 · 计算机科学 2025-12-19 Chunlin Tian , Xuyang Wei , Huanrong Liu , Zhijiang Guo , Li Li

Adapters and Low-Rank Adaptation (LoRA) are parameter-efficient fine-tuning techniques designed to make the training of language models more efficient. Previous results demonstrated that these methods can even improve performance on some…

Fine-tuning large language models (LLMs) aims to adapt pre-trained models to specific tasks using relatively small and domain-specific datasets. Among Parameter-Efficient Fine-Tuning (PEFT) methods, Low-Rank Adaptation (LoRA) stands out by…

计算与语言 · 计算机科学 2026-04-16 Yarui Cao , Kai Liu

How to adapt a pre-trained model continuously for sequential tasks with different prediction class labels and domains and finally learn a generalizable model across diverse tasks is a long-lasting challenge. Continual learning (CL) has…

机器学习 · 计算机科学 2025-04-15 Xiaobing Yu , Jin Yang , Xiao Wu , Peijie Qiu , Xiaofeng Liu

Low-rank adaptation (LoRA) is a predominant parameter-efficient finetuning method for adapting large language models (LLMs) to downstream tasks. Meanwhile, Compute-in-Memory (CIM) architectures demonstrate superior energy efficiency due to…

计算与语言 · 计算机科学 2026-03-10 Taiqiang Wu , Chenchen Ding , Wenyong Zhou , Yuxin Cheng , Xincheng Feng , Shuqi Wang , Wendong Xu , Chufan Shi , Zhengwu Liu , Ngai Wong

Continual learning (CL), which requires the model to learn multiple tasks sequentially, is crucial for large language models (LLMs). Recently, low-rank adaptation~(LoRA), one of the most representative parameter-efficient fine-tuning (PEFT)…

计算与语言 · 计算机科学 2025-10-28 Yan-Shuo Liang , Jia-Rui Chen , Wu-Jun Li

In this paper, we introduce Nested Low-Rank Adaptation (NoRA), a novel approach to parameter-efficient fine-tuning that extends the capabilities of Low-Rank Adaptation (LoRA) techniques. Vanilla LoRA overlooks pre-trained weight inheritance…

机器学习 · 计算机科学 2024-08-28 Cheng Lin , Lujun Li , Dezhi Li , Jie Zou , Wei Xue , Yike Guo