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Mixture-of-Experts based large language models (MoE LLMs) have shown significant promise in multitask adaptability by dynamically routing inputs to specialized experts. Despite their success, the collaborative mechanisms among experts are…

Machine Learning · Computer Science 2025-04-18 Yuanbo Tang , Yan Tang , Naifan Zhang , Meixuan Chen , Yang Li

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

While federated learning (FL) enables fine-tuning of large language models (LLMs) without compromising data privacy, the substantial size of an LLM renders on-device training impractical for resource-constrained clients, such as mobile…

Machine Learning · Computer Science 2026-01-05 Zihan Fang , Zheng Lin , Senkang Hu , Yanan Ma , Yihang Tao , Yiqin Deng , Xianhao Chen , Yuguang Fang

The generation quality of large language models (LLMs) is often improved by utilizing inference-time sequence-level scaling methods (e.g., Chain-of-Thought). We introduce hyper-parallel scaling, a complementary framework that improves…

Artificial Intelligence · Computer Science 2025-10-15 Soheil Zibakhsh , Mohammad Samragh , Kumari Nishu , Lauren Hannah , Arnav Kundu , Minsik Cho

Next location prediction plays a critical role in understanding human mobility patterns. However, existing approaches face two core limitations: (1) they fall short in capturing the complex, multi-functional semantics of real-world…

Artificial Intelligence · Computer Science 2025-06-02 Shuai Liu , Ning Cao , Yile Chen , Yue Jiang , Gao Cong

Large Language Model (LLM) development has become increasingly centralized, limiting participation to well-resourced organizations. This paper introduces MoECollab, a novel framework leveraging Mixture of Experts (MoE) architecture to…

Machine Learning · Computer Science 2025-03-18 Harshit

The Mixture of Experts (MoE) models are an emerging class of sparsely activated deep learning models that have sublinear compute costs with respect to their parameters. In contrast with dense models, the sparse architecture of MoE offers…

Mixture-of-Experts (MoE) architectures power the majority of frontier large language models, but their inference is bottlenecked by irregular memory access patterns and expert routing overhead. Existing optimized MoE kernels (Megablocks,…

Distributed, Parallel, and Cluster Computing · Computer Science 2026-05-26 Subhadip Mitra

We propose Chain-of-Experts (CoE), a new Mixture-of-Experts (MoE) architecture that introduces sequential expert communication within each layer. Unlike traditional MoE models, where experts operate independently in parallel, CoE processes…

Machine Learning · Computer Science 2025-06-25 Zihan Wang , Rui Pan , Jiarui Yao , Robert Csordas , Linjie Li , Lu Yin , Jiajun Wu , Tong Zhang , Manling Li , Shiwei Liu

Mixture-of-Experts (MoE) has been adopted by many leading large models to reduce computational requirements. However, frequent inter-GPU communication in MoE expert parallelism (EP) becomes a performance challenge. We observe substantial…

Hardware Architecture · Computer Science 2026-05-08 Qijun Zhang , Chen Zhang , Zhuoshan Zhou , Haibo Wang , Zhe Zhou , Zhipeng Tu , Guangyu Sun , Zhiyao Xie , Yijia Diao , Zhigang Ji , Jingwen Leng , Guanghui He , Minyi Guo

With the breakthrough progress of large language models (LLMs) in natural language processing and multimodal tasks, efficiently deploying them on resource-constrained edge devices has become a critical challenge. The Mixture of Experts…

Machine Learning · Computer Science 2025-08-12 Tuo Zhang , Ning Li , Xin Yuan , Wenchao Xu , Quan Chen , Song Guo , Haijun Zhang

Current inference systems for Mixture-of-Experts (MoE) models primarily employ static parallelization strategies. However, these static approaches cannot consistently achieve optimal performance across different inference scenarios, as they…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-08-28 Haoran Lin , Xianzhi Yu , Kang Zhao , Han Bao , Zongyuan Zhan , Ting Hu , Wulong Liu , Zekun Yin , Xin Li , Weiguo Liu

This paper presents a comprehensive review of the Mixture-of-Experts (MoE) architecture in large language models, highlighting its ability to significantly enhance model performance while maintaining minimal computational overhead. Through…

Machine Learning · Computer Science 2025-12-24 Danyang Zhang , Junhao Song , Ziqian Bi , Xinyuan Song , Yingfang Yuan , Tianyang Wang , Joe Yeong , Junfeng Hao

Mixture-of-Experts (MoE) models have gained popularity as a means of scaling the capacity of large language models (LLMs) while maintaining sparse activations and reduced per-token compute. However, in memory-constrained inference settings,…

Machine Learning · Computer Science 2026-03-23 Vivan Madan , Prajwal Singhania , Abhinav Bhatele , Tom Goldstein , Ashwinee Panda

The Mixture-of-Experts (MoE) paradigm has emerged as a promising solution to scale up model capacity while maintaining inference efficiency. However, deploying MoE models across heterogeneous end-cloud environments poses new challenges in…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-08-11 Zheming Yang , Yunqing Hu , Sheng Sun , Wen Ji

Model editing aims to efficiently alter the behavior of Large Language Models (LLMs) within a desired scope, while ensuring no adverse impact on other inputs. Recent years have witnessed various model editing methods been proposed. However,…

Computation and Language · Computer Science 2024-06-04 Renzhi Wang , Piji Li

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 Mixture of Experts (MoE) architecture has demonstrated significant advantages as it enables to increase the model capacity without a proportional increase in computation. However, the large MoE model size still introduces substantial…

Machine Learning · Computer Science 2025-04-09 Shuzhang Zhong , Yanfan Sun , Ling Liang , Runsheng Wang , Ru Huang , Meng Li

As giant dense models advance quality but require large amounts of GPU budgets for training, the sparsely gated Mixture-of-Experts (MoE), a kind of conditional computation architecture, is proposed to scale models while keeping their…

Distributed, Parallel, and Cluster Computing · Computer Science 2022-11-18 Xiaonan Nie , Pinxue Zhao , Xupeng Miao , Tong Zhao , Bin Cui

Mixture-of-Experts (MoE) models, though highly effective for various machine learning tasks, face significant deployment challenges on memory-constrained devices. While GPUs offer fast inference, their limited memory compared to CPUs means…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-05-06 Yujie Zhang , Shivam Aggarwal , Tulika Mitra