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Mixture of Experts (MoE) has become a key architectural paradigm for efficiently scaling Large Language Models (LLMs) by selectively activating a subset of parameters for each input token. However, standard MoE architectures face…

Machine Learning · Computer Science 2025-05-27 Zehua Liu , Han Wu , Ruifeng She , Xiaojin Fu , Xiongwei Han , Tao Zhong , Mingxuan Yuan

Mixture-of-Experts (MoE) has become a popular architecture for scaling large models. However, the rapidly growing scale outpaces model training on a single DC, driving a shift toward a more flexible, cross-DC training paradigm. Under this,…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-10-23 Weihao Yang , Hao Huang , Donglei Wu , Ningke Li , Yanqi Pan , Qiyang Zheng , Wen Xia , Shiyi Li , Qiang Wang

The Mixture of Experts (MoE) architecture has emerged as a powerful paradigm for scaling large language models (LLMs) while maintaining inference efficiency. However, their enormous memory requirements make them prohibitively expensive to…

Machine Learning · Computer Science 2025-06-24 Zichong Li , Chen Liang , Zixuan Zhang , Ilgee Hong , Young Jin Kim , Weizhu Chen , Tuo Zhao

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

Recent advancements in Multimodal Large Language Models (MLLMs) underscore the significance of scalable models and data to boost performance, yet this often incurs substantial computational costs. Although the Mixture of Experts (MoE)…

Artificial Intelligence · Computer Science 2024-05-21 Yunxin Li , Shenyuan Jiang , Baotian Hu , Longyue Wang , Wanqi Zhong , Wenhan Luo , Lin Ma , Min Zhang

Mixture-of-Experts (MoE) decouples model capacity from per-token computation, yet their scalability remains limited by the physical dimensions of depth and width. To overcome this, we propose Mixture of Universal Experts (MOUE),a MoE…

Machine Learning · Computer Science 2026-03-06 Yilong Chen , Naibin Gu , Junyuan Shang , Zhenyu Zhang , Yuchen Feng , Jiawei Sheng , Tingwen Liu , Shuohuan Wang , Yu Sun , Hua Wu , Haifeng Wang

Large Language Models (LLMs) with Mixture-of-Expert (MoE) architectures achieve superior model performance with reduced computation costs, but at the cost of high memory capacity and bandwidth requirements. Near-Memory Processing (NMP)…

Performance · Computer Science 2025-09-12 Haochen Huang , Shuzhang Zhong , Zhe Zhang , Shuangchen Li , Dimin Niu , Hongzhong Zheng , Runsheng Wang , Meng Li

Mixture-of-Experts (MoE) has emerged as a promising approach to scale up deep learning models due to its significant reduction in computational resources. However, the dynamic nature of MoE leads to load imbalance among experts, severely…

Distributed, Parallel, and Cluster Computing · Computer Science 2026-01-16 Chenqi Zhao , Wenfei Wu , Linhai Song , Yuchen Xu , Yitao Yuan

Large language models are typically deployed as monolithic systems, requiring the full model even when applications need only a narrow subset of capabilities, e.g., code, math, or domain-specific knowledge. Mixture-of-Experts (MoEs)…

Computation and Language · Computer Science 2026-05-12 Ryan Wang , Akshita Bhagia , Sewon Min

Mixture-of-Experts (MoE) model architecture has emerged as a promising solution for scaling transformer models efficiently, offering sparse activation that reduces computational costs while increasing model capacity. However, as MoE models…

Machine Learning · Computer Science 2025-02-11 Seokjin Go , Divya Mahajan

Mixture-of-Experts (MoE) models promise efficient scaling of large language models (LLMs) by activating only a small subset of experts per token, but their parallelized inference pipelines make elastic serving challenging. Existing…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-10-06 Gursimran Singh , Timothy Yu , Haley Li , Cheng Chen , Hanieh Sadri , Qintao Zhang , Yu Zhang , Ying Xiong , Yong Zhang , Zhenan Fan

Scaling the size of a model enhances its capabilities but significantly increases computation complexity. Mixture-of-Experts models (MoE) address the issue by allowing model size to scale up without substantially increasing training or…

Computation and Language · Computer Science 2024-08-30 Zhenpeng Su , Zijia Lin , Xue Bai , Xing Wu , Yizhe Xiong , Haoran Lian , Guangyuan Ma , Hui Chen , Guiguang Ding , Wei Zhou , Songlin Hu

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

Mixture-of-Experts (MoE) enables efficient scaling of large language models by activating only a subset of experts per input token. However, deploying MoE-based models incurs significant memory overhead due to the need to retain all experts…

Machine Learning · Computer Science 2026-02-24 Geng Zhang , Yuxuan Han , Yuxuan Lou , Yiqi Zhang , Wangbo Zhao , Yang You

Mixture-of-Experts (MoE) architectures offer the promise of larger model capacity without the prohibitive costs of fully dense designs. However, in real-world inference serving, load skew across experts often leads to suboptimal device…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-05-30 Shaoyu Wang , Guangrong He , Geon-Woo Kim , Yanqi Zhou , Seo Jin Park

Mixture-of-Expert (MoE) presents a strong potential in enlarging the size of language model to trillions of parameters. However, training trillion-scale MoE requires algorithm and system co-design for a well-tuned high performance…

Machine Learning · Computer Science 2021-03-25 Jiaao He , Jiezhong Qiu , Aohan Zeng , Zhilin Yang , Jidong Zhai , Jie Tang

The Mixture of Experts (MoE) architecture has become a fundamental building block in state-of-the-art large language models (LLMs), improving domain-specific expertise in LLMs and scaling model capacity without proportionally increasing…

Machine Learning · Computer Science 2026-05-13 Ankit Jyothish , Ali Jannesari , Aishwarya Sarkar , Joseph Zuber

Mixture-of-Experts (MoE) is an emerging technique for scaling large models with sparse activation. MoE models are typically trained in a distributed manner with an expert parallelism scheme, where experts in each MoE layer are distributed…

Distributed, Parallel, and Cluster Computing · Computer Science 2024-11-26 Fahao Chen , Peng Li , Zicong Hong , Zhou Su , Song Guo

Mixture-of-experts (MoE) is becoming popular due to its success in improving the model quality, especially in Transformers. By routing tokens with a sparse gate to a few experts (i.e., a small pieces of the full model), MoE can easily…

Machine Learning · Computer Science 2022-10-11 Xiaonan Nie , Xupeng Miao , Shijie Cao , Lingxiao Ma , Qibin Liu , Jilong Xue , Youshan Miao , Yi Liu , Zhi Yang , Bin Cui

Mixture-of-Experts (MoE) architectures achieve parameter efficiency through conditional computation, yet contemporary designs suffer from two fundamental limitations: structural parameter isolation that causes catastrophic forgetting, and…

Machine Learning · Computer Science 2026-01-21 Yuxing Gan , Ziyu Lei