Optimization Algorithms for Distributed Machine Learning

Optimization Algorithms for Distributed Machine Learning (Synthesis Lectures on Learning, Networks, and Algorithms) 1st ed. 2023 Edition
by Gauri Joshi
Publisher Finelybook 出版社: ; 1st ed. 2023 edition (November 26, 2022)
Language 语言: English
pages 页数: 140 pages
ISBN-10 书号: 3031190661
ISBN-13 书号: 9783031190667

Book Description
This book discusses state-of-the-art stochastic optimization algorithms for distributed machine learning and analyzes their convergence speed. The book first introduces stochastic gradient descent (SGD) and its distributed version, synchronous SGD, where the task of computing gradients is divided across several worker nodes. The author discusses several algorithms that improve the scalability and communication efficiency of synchronous SGD, such as asynchronous SGD, local-update SGD, quantized and sparsified SGD, and decentralized SGD. For each of these algorithms, the book analyzes its error versus iterations convergence, and the runtime spent per iteration. The author shows that each of these strategies to reduce communication or synchronization delays encounters a fundamental trade-off between error and runtime.

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