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Traditional deep learning models are trained at a centralized server using labeled data samples collected from end devices or users. Such data samples often include private information, which the users may not be willing to share. Federated…

Machine Learning · Computer Science 2021-02-24 Nir Shlezinger , Mingzhe Chen , Yonina C. Eldar , H. Vincent Poor , Shuguang Cui

Federated learning (FL) has emerged as a promising paradigm for enabling the collaborative training of models without centralized access to the raw data on local devices. In the typical FL paradigm (e.g., FedAvg), model weights are sent to…

Machine Learning · Computer Science 2024-12-25 Guangyu Sun , Umar Khalid , Matias Mendieta , Pu Wang , Chen Chen

Quantization is a widely used technique to compress neural networks. Assigning uniform bit-widths across all layers can result in significant accuracy degradation at low precision and inefficiency at high precision. Mixed-precision…

Neural and Evolutionary Computing · Computer Science 2025-04-09 Zihao Deng , Sayeh Sharify , Xin Wang , Michael Orshansky

Federated learning (FL) is a powerful distributed machine learning framework where a server aggregates models trained by different clients without accessing their private data. Hierarchical FL, with a client-edge-cloud aggregation…

Machine Learning · Computer Science 2023-01-10 Lumin Liu , Jun Zhang , Shenghui Song , Khaled B. Letaief

The primary goal of traditional federated learning is to protect data privacy by enabling distributed edge devices to collaboratively train a shared global model while keeping raw data decentralized at local clients. The rise of large…

Machine Learning · Computer Science 2025-08-28 Zhibo Xu , Jianhao Zhu , Jingwen Xu , Changze Lv , Zisu Huang , Xiaohua Wang , Muling Wu , Qi Qian , Xiaoqing Zheng , Xuanjing Huang

Multimodal federated learning (FL) aims to enrich model training in FL settings where devices are collecting measurements across multiple modalities (e.g., sensors measuring pressure, motion, and other types of data). However, key…

Machine Learning · Computer Science 2024-08-21 Liangqi Yuan , Dong-Jun Han , Vishnu Pandi Chellapandi , Stanislaw H. Żak , Christopher G. Brinton

Federated learning (FL), as a collaborative distributed training paradigm with several edge computing devices under the coordination of a centralized server, is plagued by inconsistent local stationary points due to the heterogeneity of the…

Systems and Control · Electrical Eng. & Systems 2023-02-14 Yixing Liu , Yan Sun , Zhengtao Ding , Li Shen , Bo Liu , Dacheng Tao

Mixed-precision quantization can potentially achieve the optimal tradeoff between performance and compression rate of deep neural networks, and thus, have been widely investigated. However, it lacks a systematic method to determine the…

Machine Learning · Computer Science 2021-02-23 Huanrui Yang , Lin Duan , Yiran Chen , Hai Li

Mixed-precision quantization is a promising approach for compressing large language models under tight memory budgets. However, existing mixed-precision methods typically suffer from one of two limitations: they either rely on expensive…

Machine Learning · Computer Science 2026-02-03 Xin Nie , Haicheng Zhang , Liang Dong , Beining Feng , Jinhong Weng , Guiling Sun

Federated Learning (FL) enables collaborative model building among a large number of participants without the need for explicit data sharing. But this approach shows vulnerabilities when privacy inference attacks are applied to it. In…

Machine Learning · Computer Science 2022-10-26 Pretom Roy Ovi , Emon Dey , Nirmalya Roy , Aryya Gangopadhyay

Federated learning (FL) refers to the learning paradigm that trains machine learning models directly in the decentralized systems consisting of smart edge devices without transmitting the raw data, which avoids the heavy communication costs…

Machine Learning · Computer Science 2020-12-17 Xin Yao , Lifeng Sun

Federated learning (FL), which has gained increasing attention recently, enables distributed devices to train a common machine learning (ML) model for intelligent inference cooperatively without data sharing. However, problems in practical…

Machine Learning · Computer Science 2022-11-01 Yujie Zhou , Zhidu Li , Tong Tang , Ruyan Wang

Model quantization is a widely used technique to compress and accelerate deep neural network (DNN) inference. Emergent DNN hardware accelerators begin to support mixed precision (1-8 bits) to further improve the computation efficiency,…

Computer Vision and Pattern Recognition · Computer Science 2019-04-09 Kuan Wang , Zhijian Liu , Yujun Lin , Ji Lin , Song Han

Calibrating machine learning models so that predicted probabilities better reflect the true outcome frequencies is crucial for reliable decision-making across many applications. In Federated Learning (FL), the goal is to train a global…

Machine Learning · Computer Science 2025-10-03 Samuel Maddock , Graham Cormode , Carsten Maple

With the tremendous success of deep learning, there exists imminent need to deploy deep learning models onto edge devices. To tackle the limited computing and storage resources in edge devices, model compression techniques have been widely…

Machine Learning · Computer Science 2020-10-20 Sung-En Chang , Yanyu Li , Mengshu Sun , Weiwen Jiang , Runbin Shi , Xue Lin , Yanzhi Wang

Federated learning has recently gained popularity as a framework for distributed clients to collaboratively train a machine learning model using local data. While traditional federated learning relies on a central server for model…

Machine Learning · Computer Science 2025-09-03 I-Cheng Lin , Osman Yagan , Carlee Joe-Wong

Quantization is a powerful tool to improve large language model (LLM) inference efficiency by utilizing more energy-efficient low-precision datapaths and reducing memory footprint. However, accurately quantizing LLM weights and activations…

Hardware Architecture · Computer Science 2025-04-22 Coleman Hooper , Charbel Sakr , Ben Keller , Rangharajan Venkatesan , Kurt Keutzer , Sophia Shao , Brucek Khailany

Federated Learning (FL) is a decentralized learning method used to train machine learning algorithms. In FL, a global model iteratively collects the parameters of local models without accessing their local data. However, a significant…

Machine Learning · Computer Science 2023-08-29 Mingjie Wang , Jianxiong Guo , Weijia Jia

Federated learning (FL) is a popular privacy-preserving paradigm that enables distributed clients to collaboratively train models with a central server while keeping raw data locally. In practice, distinct model architectures, varying data…

Machine Learning · Computer Science 2024-05-28 Yuting Ma , Lechao Cheng , Yaxiong Wang , Zhun Zhong , Xiaohua Xu , Meng Wang

Model quantization is a widely used technique to compress and accelerate deep neural network (DNN) inference. Emergent DNN hardware accelerators begin to support mixed precision (1-8 bits) to further improve the computation efficiency,…

Computer Vision and Pattern Recognition · Computer Science 2020-08-14 Kuan Wang , Zhijian Liu , Yujun Lin , Ji Lin , Song Han