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The Mixtures-of-Experts (MoE) model is a widespread distributed and integrated learning method for large language models (LLM), which is favored due to its ability to sparsify and expand models efficiently. However, the performance of MoE…

Machine Learning · Computer Science 2024-05-24 Jing Li , Zhijie Sun , Xuan He , Li Zeng , Yi Lin , Entong Li , Binfan Zheng , Rongqian Zhao , Xin Chen

Federated learning (FL) is a collaborative machine learning approach that enables multiple clients to train models without sharing their private data. With the rise of deep learning, large-scale models have garnered significant attention…

Machine Learning · Computer Science 2025-09-09 Ziwei Zhan , Wenkuan Zhao , Yuanqing Li , Weijie Liu , Xiaoxi Zhang , Chee Wei Tan , Chuan Wu , Deke Guo , Xu Chen

Mixture-of-Experts (MoE) showcases tremendous potential to scale large language models (LLMs) with enhanced performance and reduced computational complexity. However, its sparsely activated architecture shifts feed-forward networks (FFNs)…

Sparse Mixture-of-Experts (MoE) models can outperform dense large language models at similar computation by activating only a small set of experts per token. However, stacking many expert modules introduces substantial parameter memory,…

Artificial Intelligence · Computer Science 2026-04-03 Xin He , Shunkang Zhang , Kaijie Tang , Shaohuai Shi , Yuxin Wang , Zihao Zeng , Zhenheng Tang , Xiaowen Chu , Haiyan Yin , Ivor W. Tsang , Yew Soon Ong

While federated learning (FL) enables fine-tuning of large language models (LLMs) without compromising data privacy, the substantial size of an LLM renders on-device training impractical for resource-constrained clients, such as mobile…

Machine Learning · Computer Science 2026-01-05 Zihan Fang , Zheng Lin , Senkang Hu , Yanan Ma , Yihang Tao , Yiqin Deng , Xianhao Chen , Yuguang Fang

Mixture-of-Experts (MoE) models have become a dominant paradigm for scaling large language models, but their rapidly growing parameter sizes introduce a fundamental inefficiency during inference: most expert weights remain idle in GPU…

Machine Learning · Computer Science 2026-05-01 Qingxiu Liu , Cyril Y. He , Hanser Jiang , Zion Wang , Alan Zhao , Patrick P. C. Lee

Expert parallelism is vital for effectively training Mixture-of-Experts (MoE) models, enabling different devices to host distinct experts, with each device processing different input data. However, during expert parallel training, dynamic…

Distributed, Parallel, and Cluster Computing · Computer Science 2026-02-13 Xinyi Liu , Yujie Wang , Fangcheng Fu , Xuefeng Xiao , Huixia Li , Jiashi Li , Bin Cui

Mixture-of-Experts (MoE) models substantially improve performance by increasing the capacity of dense architectures. However, directly training MoE models requires considerable computational resources and introduces extra overhead in…

Computer Vision and Pattern Recognition · Computer Science 2026-03-31 Jiacheng Ruan , Daize Dong , Xiaoye Qu , Tong Zhu , Ting Liu , Yuzhuo Fu , Yu Cheng , Suncheng Xiang

Mixture-of-Experts (MoE) inference requires large-scale token exchange across devices, making dispatch and combine major bottlenecks in both prefill and decode. Beyond network transfer, routing-driven layout transformation, temporary relay,…

Distributed, Parallel, and Cluster Computing · Computer Science 2026-05-11 Tianlun Hu , Tiancheng Hu , Shengsheng Litang , Sheng Wang , Xiaoming Bao , Yuxing Li , Wei Wang , Zhongzhe Hu , Lijun Li , Hongwei Sun , Jingbin Zhou

Mixture of experts (MoE) is a popular technique to improve capacity of Large Language Models (LLMs) with conditionally-activated parallel experts. However, serving MoE models on memory-constrained devices is challenging due to the large…

Artificial Intelligence · Computer Science 2024-05-30 Rui Kong , Yuanchun Li , Qingtian Feng , Weijun Wang , Xiaozhou Ye , Ye Ouyang , Linghe Kong , Yunxin Liu

The Mixture of Experts (MoE) model becomes an important choice of large language models nowadays because of its scalability with sublinear computational complexity for training and inference. However, existing MoE models suffer from two…

Distributed, Parallel, and Cluster Computing · Computer Science 2023-04-25 Xin Chen , Hengheng Zhang , Xiaotao Gu , Kaifeng Bi , Lingxi Xie , Qi Tian

Sparsely-gated mixture-of-experts (MoE) has been widely adopted to scale deep learning models to trillion-plus parameters with fixed computational cost. The algorithmic performance of MoE relies on its token routing mechanism that forwards…

Distributed, Parallel, and Cluster Computing · Computer Science 2023-06-06 Changho Hwang , Wei Cui , Yifan Xiong , Ziyue Yang , Ze Liu , Han Hu , Zilong Wang , Rafael Salas , Jithin Jose , Prabhat Ram , Joe Chau , Peng Cheng , Fan Yang , Mao Yang , Yongqiang Xiong

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) models with conditional execution of sparsely activated layers have enabled training models with a much larger number of parameters. As a result, these models have achieved significantly better quality on various…

Computation and Language · Computer Science 2022-11-21 Young Jin Kim , Rawn Henry , Raffy Fahim , Hany Hassan Awadalla

Large Language Models (LLMs) have gained immense success in revolutionizing various applications, including content generation, search and recommendation, and AI-assisted operation. To reduce high training costs, Mixture-of-Experts (MoE)…

Machine Learning · Computer Science 2025-10-07 Hanfei Yu , Xingqi Cui , Hong Zhang , Hao Wang , Hao Wang

While Mixture-of-Experts (MoE) scales model capacity without proportionally increasing computation, its massive total parameter footprint creates significant storage and memory-access bottlenecks, which hinder efficient end-side deployment…

Machine Learning · Computer Science 2026-05-21 Chenyang Song , Weilin Zhao , Xu Han , Chaojun Xiao , Yingfa Chen , Zhiyuan Liu

Mixture-of-experts (MoE) architectures enable trillion-parameter LLMs with sparsely activated experts. Expert parallelism (EP) is a widely adopted MoE training strategy, but it suffers from severe all-to-all communication bottlenecks, which…

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

Recent efforts on Diffusion Mixture-of-Experts (MoE) models have primarily focused on developing more sophisticated routing mechanisms. However, we observe that the underlying architectural configuration space remains markedly…

Machine Learning · Computer Science 2025-12-02 Yahui Liu , Yang Yue , Jingyuan Zhang , Chenxi Sun , Yang Zhou , Wencong Zeng , Ruiming Tang , Guorui Zhou

The sparse Mixture-of-Experts (MoE) model is powerful for large-scale pre-training and has achieved promising results due to its model capacity. However, with trillions of parameters, MoE is hard to be deployed on cloud or mobile…

Machine Learning · Computer Science 2022-06-03 Tianyu Chen , Shaohan Huang , Yuan Xie , Binxing Jiao , Daxin Jiang , Haoyi Zhou , Jianxin Li , Furu Wei