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Mixture-of-Experts (MoE) enhances model performance while maintaining computational efficiency, making it well-suited for large-scale applications. Conventional mixture-of-experts (MoE) architectures suffer from suboptimal coordination…

Machine Learning · Computer Science 2025-09-24 Yujiao Yang , Jing Lian , Linhui Li

Combining existing pre-trained expert LLMs is a promising avenue for scalably tackling large-scale and diverse tasks. However, selecting task-level experts is often too coarse-grained, as heterogeneous tasks may require different expertise…

Computation and Language · Computer Science 2025-07-22 Justin Chih-Yao Chen , Sukwon Yun , Elias Stengel-Eskin , Tianlong Chen , Mohit Bansal

Mixture-of-Experts (MoE) models are a promising way to scale up model capacity without significantly increasing computational cost. A key component of MoEs is the router, which decides which subset of parameters (experts) process which…

Computer Vision and Pattern Recognition · Computer Science 2024-04-22 Tianlin Liu , Mathieu Blondel , Carlos Riquelme , Joan Puigcerver

We introduce a Mixture of Raytraced Experts, a stacked Mixture of Experts (MoE) architecture which can dynamically select sequences of experts, producing computational graphs of variable width and depth. Existing MoE architectures generally…

Machine Learning · Computer Science 2025-07-17 Andrea Perin , Giacomo Lagomarsini , Claudio Gallicchio , Giuseppe Nuti

Mixture-of-Experts (MoE) architectures enhance the efficiency of large language models by activating only a subset of experts per token. However, standard MoE employs a fixed Top-K routing strategy, leading to redundant computation and…

Artificial Intelligence · Computer Science 2026-05-15 Juntong Wu , Jialiang Cheng , Qishen Yin , Yue Dai , Yuliang Yan , Fuyu Lv , Ou Dan , Li Yuan

Scaling large language models has driven remarkable advancements across various domains, yet the continual increase in model size presents significant challenges for real-world deployment. The Mixture of Experts (MoE) architecture offers a…

Machine Learning · Computer Science 2025-03-18 Shwai He , Daize Dong , Liang Ding , Ang Li

Sparsely Mixture of Experts (MoE) has received great interest due to its promising scaling capability with affordable computational overhead. MoE converts dense layers into sparse experts, and utilizes a gated routing network to make…

Computation and Language · Computer Science 2022-07-20 Yuan Xie , Shaohan Huang , Tianyu Chen , Furu Wei

Mixture of Experts (MoE) offers remarkable performance and computational efficiency by selectively activating subsets of model parameters. Traditionally, MoE models use homogeneous experts, each with identical capacity. However, varying…

Computation and Language · Computer Science 2024-08-21 An Wang , Xingwu Sun , Ruobing Xie , Shuaipeng Li , Jiaqi Zhu , Zhen Yang , Pinxue Zhao , J. N. Han , Zhanhui Kang , Di Wang , Naoaki Okazaki , Cheng-zhong Xu

Mixture-of-Experts (MoE) models scale large language models efficiently by sparsely activating experts, but once an expert is selected, it is executed fully. Hence, the trade-off between accuracy and computation in an MoE model typically…

Machine Learning · Computer Science 2026-02-09 Nurbek Tastan , Stefanos Laskaridis , Karthik Nandakumar , Samuel Horvath

Mixture-of-Experts (MoE) models are widely used to scale language models, yet their expert routing behavior and adaptation in a multilingual setting remain underexplored. In this work, we study multilingual routing dynamics during continual…

Computation and Language · Computer Science 2026-05-29 Aditi Khandelwal , Marius Mosbach , Verna Dankers , Siva Reddy , Golnoosh Farnadi

The emergence of large-scale Mixture of Experts (MoE) models represents a significant advancement in artificial intelligence, offering enhanced model capacity and computational efficiency through conditional computation. However, deploying…

Machine Learning · Computer Science 2025-01-23 Jiacheng Liu , Peng Tang , Wenfeng Wang , Yuhang Ren , Xiaofeng Hou , Pheng-Ann Heng , Minyi Guo , Chao Li

Mixture-of-Experts (MoE) has emerged as a promising paradigm for efficiently scaling large language models without a proportional increase in computational cost. However, the standard training strategy of Top-K router prevents MoE models…

Computation and Language · Computer Science 2025-10-01 Yaoxiang Wang , Qingguo Hu , Yucheng Ding , Ruizhe Wang , Yeyun Gong , Jian Jiao , Yelong Shen , Peng Cheng , Jinsong Su

Mixture of Experts (MoE) have shown remarkable success in leveraging specialized expert networks for complex machine learning tasks. However, their susceptibility to adversarial attacks presents a critical challenge for deployment in robust…

Machine Learning · Computer Science 2025-05-28 Xu Zhang , Kaidi Xu , Ziqing Hu , Ren Wang

We propose Chain-of-Experts (CoE), a new Mixture-of-Experts (MoE) architecture that introduces sequential expert communication within each layer. Unlike traditional MoE models, where experts operate independently in parallel, CoE processes…

Machine Learning · Computer Science 2025-06-25 Zihan Wang , Rui Pan , Jiarui Yao , Robert Csordas , Linjie Li , Lu Yin , Jiajun Wu , Tong Zhang , Manling Li , Shiwei Liu

Mixture-of-experts (MoE) is gaining increasing attention due to its unique properties and remarkable performance, especially for language tasks. By sparsely activating a subset of parameters for each token, MoE architecture could increase…

Computation and Language · Computer Science 2025-06-24 Ka Man Lo , Zeyu Huang , Zihan Qiu , Zili Wang , Jie Fu

Recent studies have shown that combining parameter-efficient fine-tuning (PEFT) with mixture-of-experts (MoE) is an effective strategy for adapting large language models (LLMs) to the downstream tasks. However, most existing approaches rely…

Computation and Language · Computer Science 2026-02-25 Yuan Zhuang , Yi Shen , Yuexin Bian , Qing Su , Shihao Ji , Yuanyuan Shi , Fei Miao

In recent years, Mixture-of-Experts (MoE) has emerged as an effective approach for enhancing the capacity of deep neural network (DNN) with sub-linear computational costs. However, storing all experts on GPUs incurs significant memory…

Machine Learning · Computer Science 2025-03-11 Suraiya Tairin , Shohaib Mahmud , Haiying Shen , Anand Iyer

Mixture-of-Experts (MoE) has successfully scaled up models while maintaining nearly constant computing costs. By employing a gating network to route input tokens, it selectively activates a subset of expert networks to process the…

Machine Learning · Computer Science 2025-04-22 Mohan Zhang , Pingzhi Li , Jie Peng , Mufan Qiu , Tianlong Chen

Mixture-of-Experts (MoE) architectures have emerged as a promising approach to scale Large Language Models (LLMs). MoE boosts the efficiency by activating a subset of experts per token. Recent works show that fine-grained experts…

Computation and Language · Computer Science 2025-10-21 Zheyue Tan , Zhiyuan Li , Tao Yuan , Dong Zhou , Weilin Liu , Yueqing Zhuang , Yadong Li , Guowei Niu , Cheng Qin , Zhuyu Yao , Congyi Liu , Haiyang Xu , Boxun Li , Guohao Dai , Bo Zhao , Yu Wang

Mixture-of-experts (MoE) architecture has been proven a powerful method for diverse tasks in training deep models in many applications. However, current MoE implementations are task agnostic, treating all tokens from different tasks in the…

Computation and Language · Computer Science 2023-10-26 Hai Pham , Young Jin Kim , Subhabrata Mukherjee , David P. Woodruff , Barnabas Poczos , Hany Hassan Awadalla