English
Related papers

Related papers: Mixup Model Merge: Enhancing Model Merging Perform…

200 papers

Model merging enables the combination of multiple specialized expert models into a single model capable of performing multiple tasks. However, the benefits of merging an increasing amount of specialized experts generally lead to diminishing…

Machine Learning · Computer Science 2025-12-23 Ronald Skorobogat , Karsten Roth , Mariana-Iuliana Georgescu

Model merging unifies independently fine-tuned LLMs from the same base, enabling reuse and integration of parallel development efforts without retraining. However, in practice we observe that merging does not always succeed: certain…

Artificial Intelligence · Computer Science 2026-03-11 Yuan Cao , Dezhi Ran , Yuzhe Guo , Mengzhou Wu , Simin Chen , Linyi Li , Wei Yang , Tao Xie

Among all data augmentation techniques proposed so far, linear interpolation of training samples, also called Mixup, has found to be effective for a large panel of applications. Along with improved predictive performance, Mixup is also a…

Machine Learning · Computer Science 2025-03-20 Quentin Bouniot , Pavlo Mozharovskyi , Florence d'Alché-Buc

Large pre-trained models have enabled significant advances in machine learning and served as foundation components. Model fusion methods, such as task arithmetic, have been proven to be powerful and scalable to incorporate fine-tuned…

Machine Learning · Computer Science 2024-03-12 Anke Tang , Li Shen , Yong Luo , Yibing Zhan , Han Hu , Bo Du , Yixin Chen , Dacheng Tao

Deep model merging represents an emerging research direction that combines multiple fine-tuned models to harness their specialized capabilities across different tasks and domains. Current model merging techniques focus on merging all…

Machine Learning · Computer Science 2025-01-17 Anke Tang , Enneng Yang , Li Shen , Yong Luo , Han Hu , Bo Du , Dacheng Tao

Retrieval-Augmented Generation (RAG) systems leverage Large Language Models (LLMs) to generate accurate and reliable responses that are grounded in retrieved context. However, LLMs often generate inconsistent outputs for semantically…

Computation and Language · Computer Science 2025-10-17 Xujun Peng , Anoop Kumar , Jingyu Wu , Parker Glenn , Daben Liu

The success of pretrain-finetune paradigm brings about the release of numerous model weights. In this case, merging models finetuned on different tasks to enable a single model with multi-task capabilities is gaining increasing attention…

Machine Learning · Computer Science 2024-09-30 Chenyu Huang , Peng Ye , Tao Chen , Tong He , Xiangyu Yue , Wanli Ouyang

Model merging combines multiple fine-tuned checkpoints into a single model without additional training, offering an attractive approach to reusing models and efficiently improving performance. However, it remains unclear whether the…

Computation and Language · Computer Science 2026-03-31 Oğuz Kağan Hitit , Leander Girrbach , Zeynep Akata

Model merging has attracted significant attention as a powerful paradigm for model reuse, facilitating the integration of task-specific models into a singular, versatile framework endowed with multifarious capabilities. Previous studies,…

Machine Learning · Computer Science 2025-01-03 Zhengqi Xu , Han Zheng , Jie Song , Li Sun , Mingli Song

Model merging is attracting attention as a novel method for creating a new model by combining the weights of different trained models. While previous studies reported that model merging works well for models trained on a single dataset with…

Machine Learning · Computer Science 2024-09-23 Masanori Yamada , Tomoya Yamashita , Shin'ya Yamaguchi , Daiki Chijiwa

Fine-tuning large language models (LMs) for individual tasks yields strong performance but is expensive for deployment and storage. Recent works explore model merging to combine multiple task-specific models into a single multi-task model…

Computation and Language · Computer Science 2025-05-30 Haobo Zhang , Jiayu Zhou

Mixup generates augmented samples by linearly interpolating inputs and labels with a controllable ratio. However, since it operates in the latent embedding level, the resulting samples are not human-interpretable. In contrast, LLM-based…

Computation and Language · Computer Science 2026-02-09 Fanshuang Kong , Richong Zhang , Qiyu Sun , Zhijie Nie , Ting Deng , Chunming Hu

Model merging aims to combine multiple task-specific expert models into a single model without joint retraining, offering a practical alternative to multi-task learning when data access or computational budget is limited. Existing methods,…

Machine Learning · Computer Science 2026-05-14 Kaiyang Li , Shaobo Han , Qing Su , Shihao Ji

Model merging, which combines multiple domain-specialized experts into a single model, offers a practical path to endow Large Language Models (LLMs) and Multimodal Large Language Models (MLLMs) with broad capabilities without the cost of…

Machine Learning · Computer Science 2025-10-01 Dengming Zhang , Xiaowen Ma , Zhenliang Ni , Zhenkai Wu , Han Shu , Xin Jiang , Xinghao Chen

Mixup is a popular data augmentation technique for training deep neural networks where additional samples are generated by linearly interpolating pairs of inputs and their labels. This technique is known to improve the generalization…

Machine Learning · Computer Science 2023-10-17 Yingtian Zou , Vikas Verma , Sarthak Mittal , Wai Hoh Tang , Hieu Pham , Juho Kannala , Yoshua Bengio , Arno Solin , Kenji Kawaguchi

The advent of large language models (LLMs) like GPT-4 has catalyzed the exploration of multi-task learning (MTL), in which a single model demonstrates proficiency across diverse tasks. Task arithmetic has emerged as a cost-effective…

Computation and Language · Computer Science 2024-06-28 Yuyan Zhou , Liang Song , Bingning Wang , Weipeng Chen

Large Language Models (LLMs) face significant challenges in distributed healthcare, including consolidating specialized domain knowledge across institutions while maintaining privacy, reducing computational overhead, and preventing…

Machine Learning · Computer Science 2025-11-18 Prakrit Timilsina , Anuj Nepal , Rajan Kadel , Robin Doss

Model merging acquires general capabilities without extra data or training by combining multiple models' parameters. Previous approaches achieve linear mode connectivity by aligning parameters into the same loss basin using permutation…

Machine Learning · Computer Science 2025-03-28 Yi-Kai Zhang , Jin Wang , Xu-Xiang Zhong , De-Chuan Zhan , Han-Jia Ye

Mixup and its variants form a popular class of data augmentation techniques.Using a random sample pair, it generates a new sample by linear interpolation of the inputs and labels. However, generating only one single interpolation may limit…

Machine Learning · Computer Science 2024-06-04 Lifeng Shen , Jincheng Yu , Hansi Yang , James T. Kwok

Model merging dramatically reduces storage and computational resources by combining multiple expert models into a single multi-task model. Although recent model merging methods have shown promising results, they struggle to maintain…

Machine Learning · Computer Science 2025-06-04 Zijing Wang , Xingle Xu , Yongkang Liu , Yiqun Zhang , Peiqin Lin , Shi Feng , Xiaocui Yang , Daling Wang , Hinrich Schütze