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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

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

Due to the inherent difficulty in modeling phonetic similarities across different languages, code-switching speech recognition presents a formidable challenge. This study proposes a Collaborative-MoE, a Mixture of Experts (MoE) model that…

Computation and Language · Computer Science 2024-09-06 Hukai Huang , Jiayan Lin , Kaidi Wang , Yishuang Li , Wenhao Guan , Lin Li , Qingyang Hong

Multilingual language models (LMs) organize representations for typologically and orthographically diverse languages into a shared parameter space, yet the nature of this internal organization remains elusive. In this work, we investigate…

Computation and Language · Computer Science 2026-04-22 Aastha A K Verma , Anwoy Chatterjee , Mehak Gupta , Tanmoy Chakraborty

The mixture-of-experts (MoE) architecture, which replaces dense networks with sparse ones, has attracted significant attention in large vision-language models (LVLMs) for achieving comparable performance while activating far fewer…

Computer Vision and Pattern Recognition · Computer Science 2026-04-03 Chaoxiang Cai , Longrong Yang , Minghe Weng , Xuewei Li , Zequn Qin , Xi Li

A sparse Mixture-of-Experts (MoE) architecture has emerged as a highly scalable solution by conditionally activating sub-modules without a proportional increase in computational costs. However, improving expert specialization to enhance…

Machine Learning · Computer Science 2025-09-16 Sugyeong Eo , Jungjun Lee , Chanjun Park , Heuiseok Lim

Incorporating explicit reasoning rules within the latent space of language models (LMs) offers a promising pathway to enhance generalisation, interpretability, and controllability. While current Transformer-based language models have shown…

Computation and Language · Computer Science 2025-10-13 Yingji Zhang , Marco Valentino , Danilo S. Carvalho , André Freitas

Mixture-of-Experts (MoE) models embody the divide-and-conquer concept and are a promising approach for increasing model capacity, demonstrating excellent scalability across multiple domains. In this paper, we integrate the MoE structure…

Computer Vision and Pattern Recognition · Computer Science 2024-11-27 Xumeng Han , Longhui Wei , Zhiyang Dou , Zipeng Wang , Chenhui Qiang , Xin He , Yingfei Sun , Zhenjun Han , Qi Tian

Sparse Mixture-of-Experts (MoE) has been a successful approach for scaling multilingual translation models to billions of parameters without a proportional increase in training computation. However, MoE models are prohibitively large and…

Computation and Language · Computer Science 2021-10-11 Sneha Kudugunta , Yanping Huang , Ankur Bapna , Maxim Krikun , Dmitry Lepikhin , Minh-Thang Luong , Orhan Firat

The goal of this paper is to improve (upcycle) an existing large language model without the prohibitive requirements of continued pre-training of the full-model. The idea is to split the pre-training data into semantically relevant groups…

Machine Learning · Computer Science 2024-10-15 Ajinkya Tejankar , KL Navaneet , Ujjawal Panchal , Kossar Pourahmadi , Hamed Pirsiavash

Previous work on Universal Transformers (UTs) has demonstrated the importance of parameter sharing across layers. By allowing recurrence in depth, UTs have advantages over standard Transformers in learning compositional generalizations, but…

Machine Learning · Computer Science 2024-10-15 Róbert Csordás , Kazuki Irie , Jürgen Schmidhuber , Christopher Potts , Christopher D. Manning

Sparse Mixture of Experts (SMoE) has emerged as a key to achieving unprecedented scalability in deep learning. By activating only a small subset of parameters per sample, SMoE achieves an exponential increase in parameter counts while…

Machine Learning · Computer Science 2025-05-05 Tam Nguyen , Ngoc N. Tran , Khai Nguyen , Richard G. Baraniuk

The sparse Mixture-of-Experts (MoE) architecture of large language models (LLMs) confronts an inherent issue of load imbalance arising from the simplistic linear router strategy, which ultimately causes the instability and inefficient…

Machine Learning · Computer Science 2025-11-25 Ting Bai , Yue Yu , Le Huang , Zenan Xu , Chuan Shi

We present MoE-MLA-RoPE, a novel architecture combination that combines Mixture of Experts (MoE) with Multi-head Latent Attention (MLA) and Rotary Position Embeddings (RoPE) for efficient language modeling. Our approach addresses the…

Artificial Intelligence · Computer Science 2025-08-05 Sushant Mehta , Raj Dandekar , Rajat Dandekar , Sreedath Panat

The Mixture of Experts (MoE) model is a promising approach for handling code-switching speech recognition (CS-ASR) tasks. However, the existing CS-ASR work on MoE has yet to leverage the advantages of MoE's parameter scaling ability fully.…

Computation and Language · Computer Science 2024-12-24 Hukai Huang , Shenghui Lu , Yahui Shan , He Qu , Fengrun Zhang , Wenhao Guan , Qingyang Hong , Lin Li

Large language models often reason beyond surface tokens, but the internal stage at which token-level information becomes abstract relational structure remains unclear. We investigate this question by analyzing how attention heads and…

Artificial Intelligence · Computer Science 2026-05-22 Junjie Zhang , Zhen Shen , Xisong Dong , Gang Xiong

Adapting Large Language Models (LLMs) to a continuous stream of tasks is a critical yet challenging endeavor. While Parameter-Efficient Fine-Tuning (PEFT) methods have become a standard for this, they face a fundamental dilemma in continual…

Machine Learning · Computer Science 2025-11-11 Haeyong Kang

Recent advances in deep learning and large language models (LLMs) have facilitated the deployment of the mixture-of-experts (MoE) mechanism in the stock investment domain. While these models have demonstrated promising trading performance,…

Machine Learning · Computer Science 2025-01-20 Kuan-Ming Liu , Ming-Chih Lo

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

Many data have an underlying dependence on spatial location; it may be weather on the Earth, a simulation on a mesh, or a registered image. Yet this feature is rarely taken advantage of, and violates common assumptions made by many neural…

Machine Learning · Computer Science 2022-11-28 Nikoli Dryden , Torsten Hoefler