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Distributed Learning by Local Training ADMM
Imperial College London, Department of Electrical and Electronic Engineering, London, United Kingdom.
KTH, School of Electrical Engineering and Computer Science (EECS), Intelligent systems, Decision and Control Systems (Automatic Control).ORCID iD: 0000-0002-5634-8802
KTH, School of Electrical Engineering and Computer Science (EECS), Intelligent systems, Decision and Control Systems (Automatic Control).ORCID iD: 0000-0001-9940-5929
Imperial College London, Department of Electrical and Electronic Engineering, London, United Kingdom; Aalborg University, Department of Electronic Systems, Denmark; University of Trieste, Department of Engineering and Architecture, Trieste, Italy.
2024 (English)In: 2024 IEEE 63rd Conference on Decision and Control, CDC 2024, Institute of Electrical and Electronics Engineers (IEEE) , 2024, p. 7124-7129Conference paper, Published paper (Refereed)
Abstract [en]

In this paper, we focus on distributed learning over peer-to-peer networks. In particular, we address the challenge of expensive communications (which arise when e.g. training neural networks), by proposing a novel local training algorithm, LTADMM. We extend the distributed ADMM enabling the agents to perform multiple local gradient steps per communication round (local training). We present a preliminary convergence analysis of the algorithm under a graph regularity assumption, and show how the use of local training does not compromise the accuracy of the learned model. We compare the algorithm with the state of the art for a classification task, and in different set-ups. The results are very promising showing a great performance of LT-ADMM, and paving the way for future important theoretical developments.

Place, publisher, year, edition, pages
Institute of Electrical and Electronics Engineers (IEEE) , 2024. p. 7124-7129
National Category
Computer Sciences Control Engineering
Identifiers
URN: urn:nbn:se:kth:diva-361760DOI: 10.1109/CDC56724.2024.10886043Scopus ID: 2-s2.0-86000608612OAI: oai:DiVA.org:kth-361760DiVA, id: diva2:1948027
Conference
63rd IEEE Conference on Decision and Control, CDC 2024, Milan, Italy, Dec 16 2024 - Dec 19 2024
Note

Part of ISBN 9798350316339

QC 20250401

Available from: 2025-03-27 Created: 2025-03-27 Last updated: 2025-04-01Bibliographically approved

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Bastianello, NicolaJohansson, Karl H.

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