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Mixture of Experts (MoE) are rising in popularity as a means to train extremely large-scale models, yet allowing for a reasonable computational cost at inference time. Recent state-of-the-art approaches usually assume a large number of…

Computer Vision and Pattern Recognition · Computer Science 2023-04-13 Amelie Royer , Ilia Karmanov , Andrii Skliar , Babak Ehteshami Bejnordi , Tijmen Blankevoort

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

The sparsely activated mixture-of-experts (MoE) transformer has become a common architecture for large language models (LLMs) due to its sparsity, which requires fewer computational demands while easily scaling the model size. In MoE…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-08-14 Wenxiang Lin , Xinglin Pan , Lin Zhang , Shaohuai Shi , Xuan Wang , Xiaowen Chu

Mixture-of-Experts (MoE) approaches have recently gained traction in robotics applications due to their ability to dynamically allocate computational resources and specialize sub-networks for distinct tasks or environmental contexts,…

Robotics · Computer Science 2026-02-18 Dmytro Kuzmenko , Nadiya Shvai

Traditional transformer models often allocate a fixed amount of computational resources to every input token, leading to inefficient and unnecessary computation. To address this, the Mixture of Depths (MoD) was introduced to dynamically…

Computation and Language · Computer Science 2025-09-15 Shwai He , Tao Ge , Guoheng Sun , Bowei Tian , Xiaoyang Wang , Dong Yu

Sparse Mixture-of-Experts (MoE) architectures employ increasingly sophisticated routing mechanisms -- learned routers, multi-hop trajectories, token-dependent gating. We ask: does routing topology actually determine language modeling…

Artificial Intelligence · Computer Science 2026-04-17 Ivan Ternovtsii , Yurii Bilak

Training convolutional networks (CNN's) that fit on a single GPU with minibatch stochastic gradient descent has become effective in practice. However, there is still no effective method for training large CNN's that do not fit in the memory…

Computer Vision and Pattern Recognition · Computer Science 2017-04-24 Sam Gross , Marc'Aurelio Ranzato , Arthur Szlam

Empirical scaling laws for language models have encouraged the development of ever-larger LLMs, despite their growing computational and memory costs. Sparse Mixture-of-Experts (MoEs) offer a promising alternative by activating only a subset…

Computation and Language · Computer Science 2026-04-09 Zeliang Zhang , Nikhil Ghosh , Jiani Liu , Bin Yu , Xiaodong Liu

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) 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

We present Sparse Interpolated Mixture-of-Experts (SIMoE) instruction-tuning, an end-to-end algorithm designed to fine-tune a dense pre-trained Large Language Model (LLM) into a MoE-style model that possesses capabilities in multiple…

Machine Learning · Computer Science 2025-06-17 Shengzhuang Chen , Ying Wei , Jonathan Richard Schwarz

The advancement of deep learning has led to the emergence of Mixture-of-Experts (MoEs) models, known for their dynamic allocation of computational resources based on input. Despite their promise, MoEs face challenges, particularly in terms…

Computation and Language · Computer Science 2024-04-09 Alexandre Muzio , Alex Sun , Churan He

Scaling large language models has driven remarkable advancements across various domains, yet the continual increase in model size presents significant challenges for real-world deployment. The Mixture of Experts (MoE) architecture offers a…

Machine Learning · Computer Science 2025-03-18 Shwai He , Daize Dong , Liang Ding , Ang Li

Large language models are typically trained densely: all parameters are updated with respect to all inputs. This requires synchronization of billions of parameters across thousands of GPUs. We introduce a simple but effective method to…

Computation and Language · Computer Science 2023-03-27 Suchin Gururangan , Margaret Li , Mike Lewis , Weijia Shi , Tim Althoff , Noah A. Smith , Luke Zettlemoyer

The traditional viewpoint on Sparse Mixture of Experts (MoE) models is that instead of training a single large expert, which is computationally expensive, we can train many small experts. The hope is that if the total parameter count of the…

Machine Learning · Computer Science 2024-09-04 Youngseog Chung , Dhruv Malik , Jeff Schneider , Yuanzhi Li , Aarti Singh

In this paper, we investigate a deep learning approach for speech denoising through an efficient ensemble of specialist neural networks. By splitting up the speech denoising task into non-overlapping subproblems and introducing a…

Audio and Speech Processing · Electrical Eng. & Systems 2020-08-11 Aswin Sivaraman , Minje Kim

The proliferation of Large Language Models (LLMs) has created a diverse ecosystem of models with highly varying performance and costs, necessitating effective query routing to balance performance and expense. Current routing systems often…

Computation and Language · Computer Science 2026-03-03 Hang Zheng , Hongshen Xu , Yongkai Lin , Shuai Fan , Lu Chen , Kai Yu

Hard-parameter sharing is a common strategy to train a single model jointly across diverse tasks. However, this often leads to task interference, impeding overall model performance. To address the issue, we propose a simple yet effective…

Computation and Language · Computer Science 2025-08-15 Hojun Jin , Eunsoo Hong , Ziwon Hyung , Sungjun Lim , Seungjin Lee , Keunseok Cho

We draw upon a previously largely untapped literature on human collective intelligence as a source of inspiration for improving deep learning. Implicit in many algorithms that attempt to solve Deep Reinforcement Learning (DRL) tasks is the…

Artificial Intelligence · Computer Science 2019-02-18 Dhaval Adjodah , Dan Calacci , Yan Leng , Peter Krafft , Esteban Moro , Alex Pentland

This work presents a new method for enhancing communication efficiency in stochastic Federated Learning that trains over-parameterized random networks. In this setting, a binary mask is optimized instead of the model weights, which are kept…

Machine Learning · Computer Science 2024-03-01 Mohamad Mestoukirdi , Omid Esrafilian , David Gesbert , Qianrui Li , Nicolas Gresset