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Related papers: EvoMerge: Neuroevolution for Large Language Models

200 papers

Model merging has emerged as a key technique for enhancing the capabilities and efficiency of Large Language Models (LLMs). The open-source community has driven model evolution by iteratively merging existing models, yet a principled…

Computation and Language · Computer Science 2025-09-24 Yedi Hu , Yunzhi Yao , Ningyu Zhang , Huajun Chen , Shumin Deng

While Large Language Models (LLMs) have demonstrated exceptional multitasking abilities, fine-tuning these models on downstream, domain-specific datasets is often necessary to yield superior performance on test sets compared to their…

Computation and Language · Computer Science 2024-03-15 Haoran Yang , Yumeng Zhang , Jiaqi Xu , Hongyuan Lu , Pheng Ann Heng , Wai Lam

Fine-tuning pre-trained Neural Machine Translation (NMT) models is the dominant approach for adapting to new languages and domains. However, fine-tuning requires adapting and maintaining a separate model for each target task. We propose a…

Computation and Language · Computer Science 2019-09-19 Ankur Bapna , Naveen Arivazhagan , Orhan Firat

Finetuning (pretrained) language models is a standard approach for updating their internal parametric knowledge and specializing them to new tasks and domains. However, the corresponding model weight changes ("weight diffs") are not…

Machine Learning · Computer Science 2026-03-24 Avichal Goel , Yoon Kim , Nir Shavit , Tony T. Wang

Mixture-of-Experts (MoE) shines brightly in large language models (LLMs) and demonstrates outstanding performance in plentiful natural language processing tasks. However, existing methods transforming LLMs from dense to MoE face significant…

Computation and Language · Computer Science 2024-10-04 Tingfeng Hui , Zhenyu Zhang , Shuohuan Wang , Yu Sun , Hua Wu , Sen Su

Without any explicit cross-lingual training data, multilingual language models can achieve cross-lingual transfer. One common way to improve this transfer is to perform realignment steps before fine-tuning, i.e., to train the model to build…

Computation and Language · Computer Science 2023-06-06 Félix Gaschi , Patricio Cerda , Parisa Rastin , Yannick Toussaint

While large language models (LMs) have shown remarkable capabilities across numerous tasks, they often struggle with simple reasoning and planning in physical environments, such as understanding object permanence or planning household…

Computation and Language · Computer Science 2023-10-31 Jiannan Xiang , Tianhua Tao , Yi Gu , Tianmin Shu , Zirui Wang , Zichao Yang , Zhiting Hu

When we manually design an evolutionary optimization algorithm, we implicitly or explicitly assume a set of target optimization problems. In the case of automated algorithm design, target optimization problems are usually explicitly shown.…

Neural and Evolutionary Computing · Computer Science 2025-03-03 Lie Meng Pang , Hisao Ishibuchi

Combining multiple machine learning models has long been a technique for enhancing performance, particularly in distributed settings. Traditional approaches, such as model ensembles, work well, but are expensive in terms of memory and…

Machine Learning · Computer Science 2024-12-23 Albert Manuel Orozco Camacho , Stefan Horoi , Guy Wolf , Eugene Belilovsky

Model editing techniques are essential for efficiently updating knowledge in large language models (LLMs). However, the effectiveness of existing approaches degrades in massive editing scenarios, particularly when evaluated with practical…

Computation and Language · Computer Science 2026-02-25 Yanbo Dai , Zhenlan Ji , Zongjie Li , Shuai Wang

Large Language Models (LLMs) have demonstrated remarkable abilities in tackling a wide range of complex tasks. However, their huge computational and memory costs raise significant challenges in deploying these models on resource-constrained…

The field of natural language processing (NLP) has made significant strides in recent years, particularly in the development of large-scale vision-language models (VLMs). These models aim to bridge the gap between text and visual…

Computer Vision and Pattern Recognition · Computer Science 2023-03-14 Sheng Shen , Zhewei Yao , Chunyuan Li , Trevor Darrell , Kurt Keutzer , Yuxiong He

Vision-Language Models (VLMs) combine visual perception with the general capabilities, such as reasoning, of Large Language Models (LLMs). However, the mechanisms by which these two abilities can be combined and contribute remain poorly…

Computation and Language · Computer Science 2025-07-16 Shiqi Chen , Jinghan Zhang , Tongyao Zhu , Wei Liu , Siyang Gao , Miao Xiong , Manling Li , Junxian He

In recent years, Deep Learning models have shown a great performance in complex optimization problems. They generally require large training datasets, which is a limitation in most practical cases. Transfer learning allows importing the…

Neural and Evolutionary Computing · Computer Science 2024-02-06 Javier Poyatos , Daniel Molina , Aritz. D. Martinez , Javier Del Ser , Francisco Herrera

The growing demand for large language models (LLMs) with tunable reasoning capabilities in many real-world applications highlights a critical need for methods that can efficiently produce a spectrum of models balancing reasoning depth and…

Artificial Intelligence · Computer Science 2025-09-30 Xiaochong Lan , Yu Zheng , Shiteng Cao , Yong Li

The integration of language models for neural machine translation has been extensively studied in the past. It has been shown that an external language model, trained on additional target-side monolingual data, can help improve translation…

Computation and Language · Computer Science 2023-06-09 Christian Herold , Yingbo Gao , Mohammad Zeineldeen , Hermann Ney

In this paper, we introduce a novel method for merging the weights of multiple pre-trained neural networks using a genetic algorithm called MeGA. Traditional techniques, such as weight averaging and ensemble methods, often fail to fully…

Neural and Evolutionary Computing · Computer Science 2024-07-01 Daniel Yun

Multimodal large language models (MLLMs) have demonstrated remarkable capabilities in vision-language answering tasks. Despite their strengths, these models often encounter challenges in achieving complex reasoning tasks such as…

Artificial Intelligence · Computer Science 2025-11-11 Jinhao Chen , Zhen Yang , Jianxin Shi , Tianyu Wo , Jie Tang

Achieving balanced alignment of large language models (LLMs) in terms of Helpfulness, Honesty, and Harmlessness (3H optimization) constitutes a cornerstone of responsible AI. Existing methods like data mixture strategies face limitations,…

Computation and Language · Computer Science 2026-02-03 Jinluan Yang , Dingnan Jin , Anke Tang , Li Shen , Didi Zhu , Zhengyu Chen , Ziyu Zhao , Daixin Wang , Qing Cui , Zhiqiang Zhang , Jun Zhou , Fei Wu , Kun Kuang

While large language models (LLMs) excel on generation tasks, their decoder-only architecture often limits their potential as embedding models if no further representation finetuning is applied. Does this contradict their claim of…

Computation and Language · Computer Science 2024-10-17 Ziyue Li , Tianyi Zhou