Federated Deep Equilibrium Learning: Harnessing Compact Global Representations to Enhance Personalization

Fuente: arXiv
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Main Authors: Le, Long Tan, Nguyen, Tuan Dung, Nguyen, Tung-Anh, Hong, Choong Seon, Seneviratne, Suranga, Bao, Wei, Tran, Nguyen H.
Format: Preprint
Published: 2023
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author Le, Long Tan
Nguyen, Tuan Dung
Nguyen, Tung-Anh
Hong, Choong Seon
Seneviratne, Suranga
Bao, Wei
Tran, Nguyen H.
author_facet Le, Long Tan
Nguyen, Tuan Dung
Nguyen, Tung-Anh
Hong, Choong Seon
Seneviratne, Suranga
Bao, Wei
Tran, Nguyen H.
contents Federated Learning (FL) has emerged as a groundbreaking distributed learning paradigm enabling clients to train a global model collaboratively without exchanging data. Despite enhancing privacy and efficiency in information retrieval and knowledge management contexts, training and deploying FL models confront significant challenges such as communication bottlenecks, data heterogeneity, and memory limitations. To comprehensively address these challenges, we introduce FeDEQ, a novel FL framework that incorporates deep equilibrium learning and consensus optimization to harness compact global data representations for efficient personalization. Specifically, we design a unique model structure featuring an equilibrium layer for global representation extraction, followed by explicit layers tailored for local personalization. We then propose a novel FL algorithm rooted in the alternating directions method of multipliers (ADMM), which enables the joint optimization of a shared equilibrium layer and individual personalized layers across distributed datasets. Our theoretical analysis confirms that FeDEQ converges to a stationary point, achieving both compact global representations and optimal personalized parameters for each client. Extensive experiments on various benchmarks demonstrate that FeDEQ matches the performance of state-of-the-art personalized FL methods, while significantly reducing communication size by up to 4 times and memory footprint by 1.5 times during training.
format Preprint
id arxiv_https___arxiv_org_abs_2309_15659
institution arXiv
publishDate 2023
record_format arxiv
spellingShingle Federated Deep Equilibrium Learning: Harnessing Compact Global Representations to Enhance Personalization
Le, Long Tan
Nguyen, Tuan Dung
Nguyen, Tung-Anh
Hong, Choong Seon
Seneviratne, Suranga
Bao, Wei
Tran, Nguyen H.
Machine Learning
Distributed, Parallel, and Cluster Computing
Federated Learning (FL) has emerged as a groundbreaking distributed learning paradigm enabling clients to train a global model collaboratively without exchanging data. Despite enhancing privacy and efficiency in information retrieval and knowledge management contexts, training and deploying FL models confront significant challenges such as communication bottlenecks, data heterogeneity, and memory limitations. To comprehensively address these challenges, we introduce FeDEQ, a novel FL framework that incorporates deep equilibrium learning and consensus optimization to harness compact global data representations for efficient personalization. Specifically, we design a unique model structure featuring an equilibrium layer for global representation extraction, followed by explicit layers tailored for local personalization. We then propose a novel FL algorithm rooted in the alternating directions method of multipliers (ADMM), which enables the joint optimization of a shared equilibrium layer and individual personalized layers across distributed datasets. Our theoretical analysis confirms that FeDEQ converges to a stationary point, achieving both compact global representations and optimal personalized parameters for each client. Extensive experiments on various benchmarks demonstrate that FeDEQ matches the performance of state-of-the-art personalized FL methods, while significantly reducing communication size by up to 4 times and memory footprint by 1.5 times during training.
title Federated Deep Equilibrium Learning: Harnessing Compact Global Representations to Enhance Personalization
topic Machine Learning
Distributed, Parallel, and Cluster Computing
url https://arxiv.org/abs/2309.15659