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Related papers: LoCO: Low-rank Compositional Rotation Fine-tuning

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Parameter-efficient fine-tuning (PEFT) techniques have unlocked the potential to cheaply and easily specialize large pretrained models. However, the most prominent approaches, like low-rank adapters (LoRA), depend on heuristics or…

Machine Learning · Computer Science 2025-04-08 Wenxuan Tan , Nicholas Roberts , Tzu-Heng Huang , Jitian Zhao , John Cooper , Samuel Guo , Chengyu Duan , Frederic Sala

Fine-tuning large foundation models is essential for building expert models tailored to specialized tasks and domains, but fully updating billions of parameters is computationally prohibitive. Reducing the number of trainable parameters…

Machine Learning · Computer Science 2026-04-21 Junseo Hwang , Wonguk Cho , Taesup Kim

Low-rank plus diagonal (LRPD) decompositions provide a powerful structural model for large covariance matrices, simultaneously capturing global shared factors and localized corrections that arise in covariance estimation, factor analysis,…

Numerical Analysis · Mathematics 2025-12-22 Kingsley Yeon , Mihai Anitescu

Parameter-efficient fine-tuning (PEFT) has become a practical route for adapting large language models to downstream tasks, with LoRA-style methods being particularly attractive because they are inexpensive to train and easy to deploy. Most…

Machine Learning · Computer Science 2026-05-12 Yihang Peng , Peng Jin , Jie Gong , Xingyuan Chen , Lingjiao Xu , Ning Su , Yan Ran

Fine-tuning large language models (LLM) can be costly. Parameter-efficient fine-tuning (PEFT) addresses the problems by training a fraction of the parameters, whose success reveals the expressiveness and flexibility of pretrained models.…

Machine Learning · Computer Science 2024-05-07 Jing Xu , Jingzhao Zhang

As large language models (LLMs) have become increasingly compute and memory intensive, parameter-efficient fine-tuning (PEFT) methods are now a common strategy to fine-tune LLMs. A popular PEFT method is Low-Rank Adapters (LoRA), which adds…

Computation and Language · Computer Science 2023-12-08 Damjan Kalajdzievski

We introduce CRAFT (Cross-layer Rank Adaptation via Frozen Tucker), a parameter-efficient fine-tuning (PEFT) method that applies Tucker tensor decomposition to pre-trained attention weight matrices stacked across transformer layers and…

Machine Learning · Computer Science 2026-02-20 Kasun Dewage , Marianna Pensky , Suranadi De Silva , Shankadeep Mondal

The fine-tuning of Large Language Models (LLMs) is pivotal for achieving optimal performance across diverse downstream tasks. However, while full fine-tuning delivers superior results, it entails significant computational and resource…

Computation and Language · Computer Science 2025-01-15 Yao Liang , Yuwei Wang , Yi Zeng

We study the computational limits of Low-Rank Adaptation (LoRA) for finetuning transformer-based models using fine-grained complexity theory. Our key observation is that the existence of low-rank decompositions within the gradient…

Machine Learning · Computer Science 2025-06-09 Jerry Yao-Chieh Hu , Maojiang Su , En-Jui Kuo , Zhao Song , Han Liu

Parameter-Efficient Fine-Tuning (PEFT) has gained prominence through low-rank adaptation methods like LoRA. In this paper, we focus on sparsity-based PEFT (SPEFT), which introduces trainable sparse adaptations to the weight matrices in the…

Computation and Language · Computer Science 2025-06-30 Xinxin Liu , Aaron Thomas , Cheng Zhang , Jianyi Cheng , Yiren Zhao , Xitong Gao

A common strategy for Parameter-Efficient Fine-Tuning (PEFT) of pre-trained Vision Transformers (ViTs) involves adapting the model to downstream tasks by learning a low-rank adaptation matrix. This matrix is decomposed into a product of…

Computer Vision and Pattern Recognition · Computer Science 2024-10-31 Wei Dong , Yuan Sun , Yiting Yang , Xing Zhang , Zhijun Lin , Qingsen Yan , Haokui Zhang , Peng Wang , Yang Yang , Hengtao Shen

Parameter-efficient fine-tuning (PEFT) has attracted significant attention due to the growth of pre-trained model sizes and the need to fine-tune (FT) them for superior downstream performance. Despite a surge in new PEFT methods, a…

Machine Learning · Computer Science 2025-03-26 Zheda Mai , Ping Zhang , Cheng-Hao Tu , Hong-You Chen , Li Zhang , Wei-Lun Chao

Fine-tuning large language models requires high computational and memory resources, and is therefore associated with significant costs. When training on federated datasets, an increased communication effort is also needed. For this reason,…

Machine Learning · Computer Science 2026-05-06 Evelyn Trautmann , Ian Hales , Martin F. Volk

The parameter-efficient fine-tuning paradigm has garnered significant attention with the advancement of foundation models. Although numerous methods have been proposed to reduce the number of trainable parameters, their substantial memory…

Machine Learning · Computer Science 2025-09-30 Jiang-Xin Shi , Wen-Da Wei , Jin-Fei Qi , Xuanyu Chen , Tong Wei , Yu-Feng Li

With the continuous growth in the number of parameters of transformer-based pretrained language models (PLMs), particularly the emergence of large language models (LLMs) with billions of parameters, many natural language processing (NLP)…

Computation and Language · Computer Science 2023-12-20 Lingling Xu , Haoran Xie , Si-Zhao Joe Qin , Xiaohui Tao , Fu Lee Wang

With the surge in digital content in low-resource languages, there is an escalating demand for advanced Natural Language Processing (NLP) techniques tailored to these languages. BERT (Bidirectional Encoder Representations from…

Computation and Language · Computer Science 2024-08-07 Pranita Deshmukh , Nikita Kulkarni , Sanhita Kulkarni , Kareena Manghani , Raviraj Joshi

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…

Computation and Language · Computer Science 2025-12-19 Chunlin Tian , Xuyang Wei , Huanrong Liu , Zhijiang Guo , Li Li

In prompt tuning, a prefix or suffix text is added to the prompt, and the embeddings (soft prompts) or token indices (hard prompts) of the prefix/suffix are optimized to gain more control over language models for specific tasks. This…

Computation and Language · Computer Science 2024-07-01 Shouchang Guo , Sonam Damani , Keng-hao Chang

The Segment Anything Model (SAM) has emerged as a powerful visual foundation model for image segmentation. However, adapting SAM to specific downstream tasks, such as medical and agricultural imaging, remains a significant challenge. To…

Computer Vision and Pattern Recognition · Computer Science 2025-12-04 Renqi Chen , Haoyang Su , Shixiang Tang

The rapid advancements in Large Language Models (LLMs) have revolutionized natural language processing (NLP) and related fields. However, fine-tuning these models for specific tasks remains computationally expensive and risks degrading…

Computation and Language · Computer Science 2024-12-17 Md Kowsher , Nusrat Jahan Prottasha , Prakash Bhat