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  5. SVRG++ with non-uniform sampling
 
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SVRG++ with non-uniform sampling
File(s)
OPT2016_paper_31.pdf (833.44 KB)
Published version
OA Location
http://opt-ml.org/papers/OPT2016_paper_31.pdf
Author(s)
Kern, T
Gyorgy, A
Type
Conference Paper
Abstract
SVRG++ is a recent randomized optimization algorithm designed to solve non-
strongly convex smooth composite optimization problems in the large data regime.
In this paper we combine SVRG++ with non-uniform sampling of the data points
(already present in the original SVRG algorithm), leading to an algorithm with the
best sample complexity to date and state-of-the art empirical performance. While
the combination and the analysis of the algorithm is admittedly straightforward,
our experimental results show significant improvement over the original SVRG++
method with the new method outperforming all competitors on datasets where the
smoothness of the components varies. This demonstrates that, despite its simplicity
and limited novelty, this extension is important in practice.
Date Issued
2016-11-05
Date Acceptance
2016-10-04
Citation
9th NIPS Workshop on Optimization for Machine Learning, 2016
URI
http://hdl.handle.net/10044/1/45978
Publisher
Neural Information Processing Systems Foundation, Inc.
Journal / Book Title
9th NIPS Workshop on Optimization for Machine Learning
Copyright Statement
© 2016 The Author(s)
Source
9th NIPS Workshop on Optimization for Machine Learning
Publication Status
Published
Start Date
2016-12-05
Finish Date
2016-12-10
Coverage Spatial
Barcelona, Spain
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