langue fr Télécom Paris - 02/12/2019

MLAI 2019 #03. Francis Bach Distributed Machine Learning over NetworksBach

Speaker: Francis Bach, Professor at Inria and Ecole Normale Supérieure

Abstract: The success of machine learning models is in part due to their capacity to train on large amounts of data. Distributed systems are the common way to process more data than one computer can store, but they can also be used to increase the pace at which models are trained by splitting the work among many computing nodes. In this talk, I will study the corresponding problem of minimizing a sum of functions which are respectively accessible by separate nodes in a network. New centralized and decentralized algorithms will be presented, together with their convergence guarantees in deterministic and stochastic convex settings, leading to optimal algorithms for this particular class of distributed optimization problems.

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