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Mixture-of-Experts (MoE) language models increase parameter capacity without proportional per-token compute, but the deployment still requires storing all experts, making expert pruning important for reducing memory and serving overhead.…

Machine Learning · Computer Science 2026-04-14 Zongfang Liu , Shengkun Tang , Yifan Shen , Huan Wang , Xin Yuan

The interpretability of Mixture-of-Experts (MoE) models, especially those with heterogeneous designs, remains underexplored. Existing attribution methods for dense models fail to capture dynamic routing-expert interactions in sparse MoE…

Computation and Language · Computer Science 2025-06-12 Junzhuo Li , Bo Wang , Xiuze Zhou , Peijie Jiang , Jia Liu , Xuming Hu

With the widespread adoption of Large Language Models (LLMs), many deep learning practitioners are looking for strategies of running these models more efficiently. One such strategy is to use sparse Mixture-of-Experts (MoE) - a type of…

Machine Learning · Computer Science 2023-12-29 Artyom Eliseev , Denis Mazur

Reliable channel estimation (CE) is fundamental for robust communication in dynamic wireless environments, where models must generalize across varying conditions such as signal-to-noise ratios (SNRs), the number of resource blocks (RBs),…

Signal Processing · Electrical Eng. & Systems 2025-09-22 Tianyu Li , Yan Xin , Jianzhong , Zhang

Large Language Models (LLMs) are increasingly deployed as Internet/Web services (LLM-as-a-Service) with strict latency Service-Level Objectives (SLOs) under tight GPU memory budgets. Mixture-of-Experts (MoE) models improve quality and…

Distributed, Parallel, and Cluster Computing · Computer Science 2026-04-10 Yuning Zhang , Grant Pinkert , Nan Yang , Yanli Li , Dong Yuan

Mixture-of-Experts (MoE) models are designed to enhance the efficiency of large language models (LLMs) without proportionally increasing the computational demands. However, their deployment on edge devices still faces significant challenges…

Machine Learning · Computer Science 2024-08-21 Shuzhang Zhong , Ling Liang , Yuan Wang , Runsheng Wang , Ru Huang , Meng Li

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…

Machine Learning · Computer Science 2025-10-14 Nabil Omi , Siddhartha Sen , Ali Farhadi

Mixture-of-Experts (MoE) language models dramatically expand model capacity and achieve remarkable performance without increasing per-token compute. However, can MoEs surpass dense architectures under strictly equal resource constraints --…

Computation and Language · Computer Science 2026-05-19 Houyi Li , Ka Man Lo , Shijie Xuyang , Ziqi Wang , Wenzhen Zheng , Haocheng Zhang , Zhao Li , Shuigeng Zhou , Xiangyu Zhang , Daxin Jiang

Diffusion Transformer (DiT) has demonstrated remarkable performance in text-to-image generation; however, its large parameter size results in substantial inference overhead. Existing parameter compression methods primarily focus on pruning,…

Computer Vision and Pattern Recognition · Computer Science 2025-10-13 Youwei Zheng , Yuxi Ren , Xin Xia , Xuefeng Xiao , Xiaohua Xie

Apple Neural Engine (ANE) is a dedicated neural processing unit (NPU) present in every Apple Silicon chip. Mixture-of-Experts (MoE) LLMs improve inference efficiency via sparse activation but are challenging for NPUs in three ways: expert…

Machine Learning · Computer Science 2026-04-22 Afsara Benazir , Felix Xiaozhu Lin

Mixture-of-Experts (MoE) models promise efficient scaling of large language models (LLMs) by activating only a small subset of experts per token, but their parallelized inference pipelines make elastic serving challenging. Existing…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-10-06 Gursimran Singh , Timothy Yu , Haley Li , Cheng Chen , Hanieh Sadri , Qintao Zhang , Yu Zhang , Ying Xiong , Yong Zhang , Zhenan Fan

To tackle the huge computational demand of large foundation models, activation-aware compression techniques without retraining have been introduced. However, since these rely on calibration data, domain shift may arise for unknown…

Machine Learning · Computer Science 2025-05-27 Toshiaki Koike-Akino , Jing Liu , Ye Wang

Mixture-of-Experts (MoE) has emerged as a practical approach to scale up parameters for the Transformer model to achieve better generalization while maintaining a sub-linear increase in computation overhead. Current MoE models are mainly…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-04-03 Shuqing Luo , Jie Peng , Pingzhi Li , Hanrui Wang , Tianlong Chen

Artificial intelligence (AI) has achieved astonishing successes in many domains, especially with the recent breakthroughs in the development of foundational large models. These large models, leveraging their extensive training data, provide…

Machine Learning · Computer Science 2026-01-27 Siyuan Mu , Sen Lin

The mixture of experts (MoE) model is a sparse variant of large language models (LLMs), designed to hold a better balance between intelligent capability and computational overhead. Despite its benefits, MoE is still too expensive to deploy…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-04-23 Haodong Wang , Qihua Zhou , Zicong Hong , Song Guo

Larger networks generally have greater representational power at the cost of increased computational complexity. Sparsifying such networks has been an active area of research but has been generally limited to static regularization or…

Computer Vision and Pattern Recognition · Computer Science 2019-04-15 Xin Wang , Fisher Yu , Lisa Dunlap , Yi-An Ma , Ruth Wang , Azalia Mirhoseini , Trevor Darrell , Joseph E. Gonzalez

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…

Computation and Language · Computer Science 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

Sparse Mixture-of-Experts (SMoE) language models achieve strong capability at low per-token compute, yet deployment remains constrained by memory footprint and throughput because the full expert pool must still be stored and served.…

Machine Learning · Computer Science 2026-04-14 Zongfang Liu , Shengkun Tang , Boyang Sun , Zhiqiang Shen , Xin Yuan

Structured pruning and knowledge distillation (KD) are typical techniques for compressing large language models, but it remains unclear how they should be applied at pretraining scale, especially to recent mixture-of-experts (MoE) models.…

Machine Learning · Computer Science 2026-05-19 Shengkun Tang , Zekun Wang , Bo Zheng , Liangyu Wang , Rui Men , Siqi Zhang , Xiulong Yuan , Zihan Qiu , Zhiqiang Shen , Dayiheng Liu

Mixture of Experts (MoE) pretraining is more scalable than dense Transformer pretraining, because MoEs learn to route inputs to a sparse set of their feedforward parameters. However, this means that MoEs only receive a sparse backward…

Machine Learning · Computer Science 2025-11-05 Ashwinee Panda , Vatsal Baherwani , Zain Sarwar , Benjamin Therien , Sambit Sahu , Tom Goldstein , Supriyo Chakraborty