Papers › Distributed Block-diagonal Approximation Methods for Regularized Empirical Risk Minimization
Distributed Block-diagonal Approximation Methods for Regularized Empirical Risk Minimization
Ching-pei Lee, Kai-Wei Chang
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In recent years, there is a growing need to train machine learning models on a huge volume of data. Designing efficient distributed optimization algorithms for empirical risk minimization (ERM) has therefore become an active and challenging research topic. In this paper, we propose a flexible framework for distributed ERM training through solving the dual problem, which provides a unified description and comparison of existing methods. Our approach requires only approximate solutions of the sub-problems involved in the optimization process, and is versatile to be applied on many large-scale machine learning problems including classification, regression, and structured prediction. We show that our approach enjoys global linear convergence for a broader class of problems, and achieves faster empirical performance, compared with existing works.
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