Enhancing Parallelism in Decentralized Stochastic Convex Optimization

Fuente: arXiv
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Auteurs principaux: Eisen, Ofri, Dorfman, Ron, Levy, Kfir Y.
Format: Preprint
Publié: 2025
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author Eisen, Ofri
Dorfman, Ron
Levy, Kfir Y.
author_facet Eisen, Ofri
Dorfman, Ron
Levy, Kfir Y.
contents Decentralized learning has emerged as a powerful approach for handling large datasets across multiple machines in a communication-efficient manner. However, such methods often face scalability limitations, as increasing the number of machines beyond a certain point negatively impacts convergence rates. In this work, we propose Decentralized Anytime SGD, a novel decentralized learning algorithm that significantly extends the critical parallelism threshold, enabling the effective use of more machines without compromising performance. Within the stochastic convex optimization (SCO) framework, we establish a theoretical upper bound on parallelism that surpasses the current state-of-the-art, allowing larger networks to achieve favorable statistical guarantees and closing the gap with centralized learning in highly connected topologies.
format Preprint
id arxiv_https___arxiv_org_abs_2506_00961
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle Enhancing Parallelism in Decentralized Stochastic Convex Optimization
Eisen, Ofri
Dorfman, Ron
Levy, Kfir Y.
Machine Learning
Decentralized learning has emerged as a powerful approach for handling large datasets across multiple machines in a communication-efficient manner. However, such methods often face scalability limitations, as increasing the number of machines beyond a certain point negatively impacts convergence rates. In this work, we propose Decentralized Anytime SGD, a novel decentralized learning algorithm that significantly extends the critical parallelism threshold, enabling the effective use of more machines without compromising performance. Within the stochastic convex optimization (SCO) framework, we establish a theoretical upper bound on parallelism that surpasses the current state-of-the-art, allowing larger networks to achieve favorable statistical guarantees and closing the gap with centralized learning in highly connected topologies.
title Enhancing Parallelism in Decentralized Stochastic Convex Optimization
topic Machine Learning
url https://arxiv.org/abs/2506.00961