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Robustifying convolutional neural networks (CNNs) against adversarial attacks remains challenging and often requires resource-intensive countermeasures. We explore the use of sparse mixture-of-experts (MoE) layers to improve robustness by…

Computer Vision and Pattern Recognition · Computer Science 2025-09-08 Svetlana Pavlitska , Haixi Fan , Konstantin Ditschuneit , J. Marius Zöllner

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

In this paper, we introduce a novel dynamic expert selection framework for Mixture of Experts (MoE) models, aiming to enhance computational efficiency and model performance by adjusting the number of activated experts based on input…

Machine Learning · Computer Science 2024-03-13 Quzhe Huang , Zhenwei An , Nan Zhuang , Mingxu Tao , Chen Zhang , Yang Jin , Kun Xu , Kun Xu , Liwei Chen , Songfang Huang , Yansong Feng

Mixture-of-Experts (MoE) models have shown remarkable capability in instruction tuning, especially when the number of tasks scales. However, previous methods simply merge all training tasks (e.g. creative writing, coding, and mathematics)…

Computation and Language · Computer Science 2024-06-18 Tong Zhu , Daize Dong , Xiaoye Qu , Jiacheng Ruan , Wenliang Chen , Yu Cheng

Modern large language models (LLMs) achieve state-of-the-art machine translation performance, but they do so as broad generalists largely trained for many tasks and capabilities unrelated to translation. Thus, they are heavily…

Computation and Language · Computer Science 2026-05-28 Liu O. Martin , Lucas Bandarkar , Nanyun Peng

In today's landscape, Mixture of Experts (MoE) is a crucial architecture that has been used by many of the most advanced models. One of the major challenges of MoE models is that they usually require much more memory than their dense…

Machine Learning · Computer Science 2025-11-11 Shuning Lin , Yifan He , Yitong Chen

Mixture-of-Experts (MoE) architectures scale large language models efficiently by employing a parametric ``router'' to dispatch tokens to a sparse subset of experts. Typically, this router is trained once and then frozen, rendering routing…

Computation and Language · Computer Science 2026-05-26 Boxuan Lyu , Soichiro Murakami , Hidetaka Kamigaito , Peinan Zhang

Multi-task learning (MTL) for dense prediction has shown promising results but still faces challenges in balancing shared representations with task-specific specialization. In this paper, we introduce a novel Fine-Grained Mixture of Experts…

Computer Vision and Pattern Recognition · Computer Science 2025-07-28 Yangyang Xu , Xi Ye , Duo Su

Neural network pruning is a popular technique used to reduce the inference costs of modern, potentially overparameterized, networks. Starting from a pre-trained network, the process is as follows: remove redundant parameters, retrain, and…

Machine Learning · Computer Science 2021-03-05 Lucas Liebenwein , Cenk Baykal , Brandon Carter , David Gifford , Daniela Rus

Mixture-of-Experts (MoE) models scale capacity efficiently, but their massive parameter footprint creates a deployment-time memory bottleneck. We organize retraining-free MoE compression into three paradigms - Expert Pruning, Expert…

Machine Learning · Computer Science 2026-03-04 Sieun Hyeon , Jaeyoung Do

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

Large language models (LLMs) with the Mixture-of-Experts (MoE) architecture achieve high cost-efficiency by selectively activating a subset of the parameters. Despite the inference efficiency of MoE LLMs, the training of extensive experts…

Computation and Language · Computer Science 2025-06-12 Yuchen Feng , Bowen Shen , Naibin Gu , Jiaxuan Zhao , Peng Fu , Zheng Lin , Weiping Wang

Sparsely-gated Mixture of Expert (MoE), an emerging deep model architecture, has demonstrated a great promise to enable high-accuracy and ultra-efficient model inference. Despite the growing popularity of MoE, little work investigated its…

Computer Vision and Pattern Recognition · Computer Science 2023-08-22 Yihua Zhang , Ruisi Cai , Tianlong Chen , Guanhua Zhang , Huan Zhang , Pin-Yu Chen , Shiyu Chang , Zhangyang Wang , Sijia Liu

Mixture-of-Experts (MoE) language models can reduce computational costs by 2-4$\times$ compared to dense models without sacrificing performance, making them more efficient in computation-bounded scenarios. However, MoE models generally…

Machine Learning · Computer Science 2024-04-09 Bowen Pan , Yikang Shen , Haokun Liu , Mayank Mishra , Gaoyuan Zhang , Aude Oliva , Colin Raffel , Rameswar Panda

Mixture-of-Experts (MoE) models have gained popularity in achieving state-of-the-art performance in a wide range of tasks in computer vision and natural language processing. They effectively expand the model capacity while incurring a…

Distributed, Parallel, and Cluster Computing · Computer Science 2023-06-21 Haiyang Huang , Newsha Ardalani , Anna Sun , Liu Ke , Hsien-Hsin S. Lee , Anjali Sridhar , Shruti Bhosale , Carole-Jean Wu , Benjamin Lee

Sparse Mixture-of-Experts (MoE) models scale capacity by routing each token to a small subset of experts. However, their routers exhibit a fundamental trade-off: strong load balancing can suppress expert specialization, while aggressive…

Machine Learning · Computer Science 2026-05-12 Gleb Molodtsov , Alexander Miasnikov , Aleksandr Beznosikov

Mixture-of-Experts (MoE) effectively scales model capacity while preserving computational efficiency through sparse expert activation. However, training high-quality MoEs from scratch is prohibitively expensive. A promising alternative is…

Computation and Language · Computer Science 2026-02-18 Ziyu Zhao , Tong Zhu , Zhi Zhang , Tiantian Fan , Jinluan Yang , Kun Kuang , Zhongyu Wei , Fei Wu , Yu Cheng

Mixture-of-Experts (MoE) has emerged as an effective approach to reduce the computational overhead of Transformer architectures by sparsely activating a subset of parameters for each token while preserving high model capacity. This paradigm…

Computer Vision and Pattern Recognition · Computer Science 2026-03-31 Dohwan Ko , Jinyoung Park , Seoung Choi , Sanghyeok Lee , Seohyun Lee , Hyunwoo J. Kim

Mixture-of-Experts (MoE) based Large Language Models (LLMs) have demonstrated impressive performance and computational efficiency. However, their deployment is often constrained by substantial memory demands, primarily due to the need to…

Machine Learning · Computer Science 2026-03-16 Jiawei Hao , Zhiwei Hao , Jianyuan Guo , Li Shen , Yong Luo , Han Hu , Dan Zeng

Sparse mixture of experts (SMoE) offers an appealing solution to scale up the model complexity beyond the mean of increasing the network's depth or width. However, effective training of SMoE has proven to be challenging due to the…