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Related papers: DirMoE: Dirichlet-routed Mixture of Experts

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Mixture of Experts (MoE) LLMs have recently gained attention for their ability to enhance performance by selectively engaging specialized subnetworks or "experts" for each input. However, deploying MoEs on memory-constrained devices remains…

This paper presents a comprehensive review of the Mixture-of-Experts (MoE) architecture in large language models, highlighting its ability to significantly enhance model performance while maintaining minimal computational overhead. Through…

Machine Learning · Computer Science 2025-12-24 Danyang Zhang , Junhao Song , Ziqian Bi , Xinyuan Song , Yingfang Yuan , Tianyang Wang , Joe Yeong , Junfeng Hao

Mixture-of-experts (MoE) models facilitate efficient scaling; however, training the router network introduces the challenge of optimizing a non-differentiable, discrete objective. Recently, a fully-differentiable MoE architecture, SMEAR,…

Computation and Language · Computer Science 2024-08-20 Zexuan Zhong , Mengzhou Xia , Danqi Chen , Mike Lewis

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) 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

Mixture-of-Experts (MoE) layers scale transformers by routing tokens to a sparse subset of feed-forward experts. Token-level routing, however, assigns an entire semantic spectrum to each expert, creating capacity bottlenecks, load-balancing…

Computation and Language · Computer Science 2025-10-07 Harshil Vejendla

This paper explores test-agnostic long-tail recognition, a challenging long-tail task where the test label distributions are unknown and arbitrarily imbalanced. We argue that the variation in these distributions can be broken down…

Machine Learning · Computer Science 2026-03-02 Zhiyong Yang , Qianqian Xu , Sicong Li , Zitai Wang , Xiaochun Cao , Qingming Huang

Recent advancements in general-purpose or domain-specific multimodal large language models (LLMs) have witnessed remarkable progress for medical decision-making. However, they are designated for specific classification or generative tasks,…

Computer Vision and Pattern Recognition · Computer Science 2024-09-04 Songtao Jiang , Tuo Zheng , Yan Zhang , Yeying Jin , Li Yuan , Zuozhu Liu

This paper systematically diagnoses the training failure modes of Token-Choice sparse Mixture-of-Experts (MoE) on video Diffusion Transformers. Starting from a pretrained dense model of about 5 billion parameters, we convert it into an MoE…

Computer Vision and Pattern Recognition · Computer Science 2026-05-20 Haiying Sha

Modern applications increasingly involve many heterogeneous input streams, such as clinical sensors, wearable device data, imaging, and text, each with distinct measurement models, sampling rates, and noise characteristics. We define this…

Machine Learning · Computer Science 2026-03-03 Xing Han , Hsing-Huan Chung , Joydeep Ghosh , Paul Pu Liang , Suchi Saria

Mixture-of-Experts (MoE) has become a practical architecture for scaling LLM capacity while keeping per-token compute modest, but deploying MoE models on a single, memory-limited GPU remains difficult because expert weights dominate the HBM…

Performance · Computer Science 2026-02-09 Kexin Chu , Dawei Xiang , Zixu Shen , Yiwei Yang , Zecheng Liu , Wei Zhang

Large Language Models (LLMs) have achieved significant success in various natural language processing tasks, but the role of wireless networks in supporting LLMs has not been thoroughly explored. In this paper, we propose a wireless…

Machine Learning · Computer Science 2024-11-12 Nan Xue , Yaping Sun , Zhiyong Chen , Meixia Tao , Xiaodong Xu , Liang Qian , Shuguang Cui , Wenjun Zhang , Ping Zhang

We present Self-MoE, an approach that transforms a monolithic LLM into a compositional, modular system of self-specialized experts, named MiXSE (MiXture of Self-specialized Experts). Our approach leverages self-specialization, which…

Computation and Language · Computer Science 2024-10-08 Junmo Kang , Leonid Karlinsky , Hongyin Luo , Zhen Wang , Jacob Hansen , James Glass , David Cox , Rameswar Panda , Rogerio Feris , Alan Ritter

Mixture-of-experts (MoE) architectures used in large language models (LLMs) achieve state-of-the-art performance across diverse tasks yet face practical challenges such as deployment complexity and low activation efficiency. Expert pruning…

Machine Learning · Computer Science 2025-12-23 Xican Yang , Yuanhe Tian , Yan Song

Mixture-of-Experts (MoE) models are designed to enhance the efficiency of large language models (LLMs) without proportionally increasing the computational demands. However, their deployment on edge devices still faces significant challenges…

Machine Learning · Computer Science 2024-08-21 Shuzhang Zhong , Ling Liang , Yuan Wang , Runsheng Wang , Ru Huang , Meng Li

Traditional Mixture-of-Experts (MoE) networks benefit from utilizing multiple smaller expert models as opposed to a single large network. However, these experts typically operate independently, leaving a question open about whether…

Computation and Language · Computer Science 2026-01-06 Bo Lv , Chen Tang , Zifan Zheng , Bohao Yang , Kun Zhao , Ning Liao , Xiaoxing Wang , Feiyu Xiong , Zhiyu Li , Nayu Liu , Jingchi Jiang

Mixture-of-Experts (MoE) models exhibit striking performance disparities across languages, yet the internal mechanisms driving these gaps remain poorly understood. In this work, we conduct a systematic analysis of expert routing patterns in…

Computation and Language · Computer Science 2026-04-07 Kening Zheng , Wei-Chieh Huang , Jiahao Huo , Zhonghao Li , Henry Peng Zou , Yibo Yan , Xin Zou , Jungang Li , Junzhuo Li , Hanrong Zhang , Xuming Hu , Philip S. Yu

Mixture-of-Experts (MoE) has been demonstrated as an efficient method to scale up models. By dynamically and sparsely selecting activated experts, MoE can effectively reduce computational costs. Despite the success, we observe that many…

Machine Learning · Computer Science 2024-06-19 Haoze Wu , Zihan Qiu , Zili Wang , Hang Zhao , Jie Fu

Amodal segmentation targets to predict complete object masks, covering both visible and occluded regions. This task poses significant challenges due to complex occlusions and extreme shape variation, from rigid furniture to highly…

Computer Vision and Pattern Recognition · Computer Science 2025-08-05 Zhixuan Li , Yujia Liu , Chen Hui , Jeonghaeng Lee , Sanghoon Lee , Weisi Lin

Large Language Models (LLMs) have achieved significant success in various natural language processing tasks, but how wireless communications can support LLMs has not been extensively studied. In this paper, we propose a wireless distributed…

Information Theory · Computer Science 2024-05-07 Nan Xue , Yaping Sun , Zhiyong Chen , Meixia Tao , Xiaodong Xu , Liang Qian , Shuguang Cui , Ping Zhang