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Mixture-of-Experts (MoE) models typically fix the number of activated experts $k$ at both training and inference. However, real-world deployments often face heterogeneous hardware, fluctuating workloads, and diverse quality-latency…

Computation and Language · Computer Science 2026-05-12 Naibin Gu , Zhenyu Zhang , Yuchen Feng , Yilong Chen , Peng Fu , Zheng Lin , Shuohuan Wang , Yu Sun , Hua Wu , Weiping Wang , Haifeng Wang

Sparse Mixture-of-Experts (MoE) has become a key architecture for scaling large language models (LLMs) efficiently. Recent fine-grained MoE designs introduce hundreds of experts per layer, with multiple experts activated per token, enabling…

Machine Learning · Computer Science 2025-10-01 Yuanteng Chen , Peisong Wang , Yuantian Shao , Nanxin Zeng , Chang Xu , Jian Cheng

We model Mixture-of-Experts (MoE) token routing as a congestion game with a single effective parameter, the congestion coefficient gamma_eff, that quantifies the balance-quality tradeoff. Tracking gamma_eff across training checkpoints of…

Machine Learning · Computer Science 2026-04-07 Charafeddine Mouzouni

We present a novel approach called Mixture of Mixture of Expert (MoMoE) that combines the strengths of Mixture-of-Experts (MoE) architectures with collaborative multi-agent frameworks. By modifying the LLaMA 3.1 8B architecture to…

Computational Engineering, Finance, and Science · Computer Science 2025-11-19 Peng Shu , Junhao Chen , Zhengliang Liu , Hanqi Jiang , Yi Pan , Khanh Nhu Nguyen , Zihao Wu , Huaqin Zhao , Yiwei Li , Enze Shi , ShaoChen Xu

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 based acoustic models with dynamic routing mechanisms have proved promising results for speech recognition. The design principle of router architecture is important for the large model capacity and high computational…

Audio and Speech Processing · Electrical Eng. & Systems 2021-11-24 Zhao You , Shulin Feng , Dan Su , Dong Yu

Multimodal large language models (MLLMs) have achieved impressive performance, but high-resolution visual inputs result in long sequences of visual tokens and substantial inference latency. Reducing redundant visual tokens is critical to…

Computer Vision and Pattern Recognition · Computer Science 2026-03-23 Guoyang Xia , Yifeng Ding , Fengfa Li , Lei Ren , Wei Chen , Fangxiang Feng , Xiaojie Wang

The Mixture of Experts (MoE) architecture has emerged as a key technique for scaling Large Language Models by activating only a subset of experts per query. Deploying MoE on consumer-grade edge hardware, however, is constrained by limited…

Artificial Intelligence · Computer Science 2026-05-05 Guoying Zhu , Meng Li , Haipeng Dai , Xuechen Liu , Weijun Wang , Keran Li , Jun xiao , Ligeng Chen , Wei Wang

Achieving self-evolution in intelligent agents requires the continual accumulation of new knowledge across changing task sequences without forgetting previously acquired abilities. Existing approaches either internalize knowledge by…

Machine Learning · Computer Science 2026-05-22 Dianzhi Yu , Vireo Zhang , Hongru Wang , Yanyu Chen , Minda Hu , Wanghan Xu , Siki Chen , Philip Torr , Zhenfei Yin , Irwin King

Extending large language models to low-resource languages is essential for global accessibility, but training separate models per language is prohibitively expensive. Mixture-of-Experts (MoE) architectures address this by adding sparse…

Computation and Language · Computer Science 2026-03-06 Rongzhi Li , Hitomi Yanaka

The sparse activation mechanism of mixture of experts (MoE) model empowers edge intelligence with enhanced training efficiency and reduced computational resource consumption. However, traditional token routing in distributed MoE training…

Distributed, Parallel, and Cluster Computing · Computer Science 2026-02-18 Long Shi , Bingyan Ou , Kang Wei , Weihao Zhu , Zhe Wang , Zhiyong Chen

Large Language Models (LLMs) have demonstrated remarkable abilities in tackling a wide range of complex tasks. However, their huge computational and memory costs raise significant challenges in deploying these models on resource-constrained…

Standard LoRA fine-tuning of Mixture-of-Experts (MoE) models applies adapters to every expert, yet our profiling shows that per-layer expert routing is highly skewed: a small subset of experts handles most tokens in each layer, while many…

Machine Learning · Computer Science 2026-03-26 Andrea Manzoni

The vanilla self-attention mechanism in Transformers can be viewed as a two-layer fast-weight MLP, whose weights are dynamically induced by inputs and whose hidden dimension is equal to the sequence length $N$. As the context extends, the…

Machine Learning · Computer Science 2026-05-12 Qishuai Wen , Zhiyuan Huang , Xianghan Meng , Wei He , Chun-Guang Li

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

Sparse Mixture-of-Experts (MoE) architectures are increasingly popular for frontier large language models (LLM) but they introduce training challenges due to routing complexity. Fully leveraging parameters of an MoE model requires all…

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

Mixture-of-Experts (MoE) is now the dominant architecture for frontier language models, yet it requires all expert parameters to be loaded in memory, making it less preferable for memory-constrained deployment. Existing compression methods…

Computation and Language · Computer Science 2026-05-28 Junhyuck Kim , Jihun Yun , Haechan Kim , Gyeongman Kim , Joonghyun Bae , Jaewoong Cho

The Mixture-of-Experts (MoE) layer, a sparsely-activated model controlled by a router, has achieved great success in deep learning. However, the understanding of such architecture remains elusive. In this paper, we formally study how the…

Machine Learning · Computer Science 2022-08-05 Zixiang Chen , Yihe Deng , Yue Wu , Quanquan Gu , Yuanzhi Li

Parameter-efficient fine-tuning has demonstrated promising results across various visual adaptation tasks, such as classification and segmentation. Typically, prompt tuning techniques have harnessed knowledge from a single pre-trained…

Computer Vision and Pattern Recognition · Computer Science 2026-02-27 Shentong Mo , Xufang Luo , Dongsheng Li