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Scaling the size of language models usually leads to remarkable advancements in NLP tasks. But it often comes with a price of growing computational cost. Although a sparse Mixture of Experts (MoE) can reduce the cost by activating a small…

计算与语言 · 计算机科学 2023-11-23 Shwai He , Run-Ze Fan , Liang Ding , Li Shen , Tianyi Zhou , Dacheng Tao

Due to the cost-prohibitive nature of training Large Language Models (LLMs), fine-tuning has emerged as an attractive alternative for specializing LLMs for specific tasks using limited compute resources in a cost-effective manner. In this…

计算与语言 · 计算机科学 2024-08-15 Yuchen Xia , Jiho Kim , Yuhan Chen , Haojie Ye , Souvik Kundu , Cong Hao , Nishil Talati

Mixture of Experts (MoE) has emerged as a promising paradigm for scaling model capacity while preserving computational efficiency, particularly in large-scale machine learning architectures such as large language models (LLMs). Recent…

Fine-tuning Large Language Models (LLMs) is a common practice to adapt pre-trained models for specific applications. While methods like LoRA have effectively addressed GPU memory constraints during fine-tuning, their performance often falls…

计算与语言 · 计算机科学 2024-07-23 Dengchun Li , Yingzi Ma , Naizheng Wang , Zhengmao Ye , Zhiyuan Cheng , Yinghao Tang , Yan Zhang , Lei Duan , Jie Zuo , Cal Yang , Mingjie Tang

Mixture-of-Experts (MoE) models scale efficiently by activating only a subset of experts per token, offering a computationally sparse alternative to dense architectures. While prior post-training optimizations, such as inter- and…

机器学习 · 计算机科学 2025-09-04 Krishna Teja Chitty-Venkata , Sandeep Madireddy , Murali Emani , Venkatram Vishwanath

Originally introduced as a neural network for ensemble learning, mixture of experts (MoE) has recently become a fundamental building block of highly successful modern deep neural networks for heterogeneous data analysis in several…

机器学习 · 统计学 2024-02-12 Huy Nguyen , TrungTin Nguyen , Khai Nguyen , Nhat Ho

End-to-end models with large capacity have significantly improved multilingual automatic speech recognition, but their computation cost poses challenges for on-device applications. We propose a streaming truly multilingual Conformer…

计算与语言 · 计算机科学 2023-05-26 Ke Hu , Bo Li , Tara N. Sainath , Yu Zhang , Francoise Beaufays

In this paper, we aim to build a robust question answering system that can adapt to out-of-domain datasets. A single network may overfit to the superficial correlation in the training distribution, but with a meaningful number of expert…

计算与语言 · 计算机科学 2022-04-21 Yu Qing Zhou , Xixuan Julie Liu , Yuanzhe Dong

Recently, large language models (LLMs) have achieved tremendous breakthroughs in the field of NLP, but still lack understanding of their internal neuron activities when processing different languages. We designed a method to convert dense…

计算与语言 · 计算机科学 2024-10-08 Weize Liu , Yinlong Xu , Hongxia Xu , Jintai Chen , Xuming Hu , Jian Wu

In this technical report, we introduce the training methodologies implemented in the development of Skywork-MoE, a high-performance mixture-of-experts (MoE) large language model (LLM) with 146 billion parameters and 16 experts. It is…

The Mixture of Experts (MoE) architecture is a cornerstone of modern state-of-the-art (SOTA) large language models (LLMs). MoE models facilitate scalability by enabling sparse parameter activation. However, traditional MoE architecture uses…

We propose MoE-F - a formalized mechanism for combining $N$ pre-trained Large Language Models (LLMs) for online time-series prediction by adaptively forecasting the best weighting of LLM predictions at every time step. Our mechanism…

The application of mixture-of-experts (MoE) is gaining popularity due to its ability to improve model's performance. In an MoE structure, the gate layer plays a significant role in distinguishing and routing input features to different…

机器学习 · 计算机科学 2024-02-05 Zhitian Xie , Yinger Zhang , Chenyi Zhuang , Qitao Shi , Zhining Liu , Jinjie Gu , Guannan Zhang

Sparse Mixture of Experts (MoE) models offer a scalable and efficient architecture for training large neural networks by activating only a subset of parameters ("experts") for each input. A learned router computes a distribution over these…

机器学习 · 计算机科学 2025-10-14 Nabil Omi , Siddhartha Sen , Ali Farhadi

Traditional multi-task learning (MTL) methods use dense networks that use the same set of shared weights across several different tasks. This often creates interference where two or more tasks compete to pull model parameters in different…

In this work, we first explore whether the parameters activated by the MoE layer remain highly sparse at inference. We perform a sparsification study on several representative MoE models. For each expert, we rank parameters by the magnitude…

计算与语言 · 计算机科学 2025-10-08 Runxi Cheng , Yuchen Guan , Yucheng Ding , Qingguo Hu , Yongxian Wei , Chun Yuan , Yelong Shen , Weizhu Chen , Yeyun Gong

Mixture-of-Experts (MoE) has become a prominent paradigm for scaling Large Language Models (LLMs). Parameter-efficient fine-tuning methods, such as LoRA, are widely adopted to adapt pretrained MoE LLMs to downstream tasks. However, existing…

人工智能 · 计算机科学 2026-04-03 Guanzhi Deng , Bo Li , Ronghao Chen , Xiujin Liu , Zhuo Han , Huacan Wang , Lijie Wen , Linqi Song

Mixture-of-Experts (MoE) models are widely used to scale language models, yet their expert routing behavior and adaptation in a multilingual setting remain underexplored. In this work, we study multilingual routing dynamics during continual…

计算与语言 · 计算机科学 2026-05-29 Aditi Khandelwal , Marius Mosbach , Verna Dankers , Siva Reddy , Golnoosh Farnadi

Mixture-of-Experts (MoE) in Large Language Models (LLMs) routes each token through a subset of specialized Feed-Forward Networks (FFN), known as experts. We present SteerMoE, a framework to steer MoE models by detecting and controlling…

Mixture-of-Experts (MoE) has emerged as a prominent architecture for scaling model size while maintaining computational efficiency. In MoE, each token in the input sequence activates a different subset of experts determined by a routing…

计算与语言 · 计算机科学 2024-11-05 Chufan Shi , Cheng Yang , Xinyu Zhu , Jiahao Wang , Taiqiang Wu , Siheng Li , Deng Cai , Yujiu Yang , Yu Meng