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  4. Convergence Of Variance-Reduced Learning Under Random Reshuffling
 
conference paper

Convergence Of Variance-Reduced Learning Under Random Reshuffling

Ying, Bicheng  
•
Yuan, Kun  
•
Sayed, Ali H.  
January 1, 2018
2018 Ieee International Conference On Acoustics, Speech And Signal Processing (Icassp)
IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP)

Several useful variance-reduced stochastic gradient algorithms, such as SVRG, SAGA, Finito, and SAG, have been proposed to minimize empirical risks with linear convergence properties to the exact minimizers. The existing convergence results assume uniform data sampling with replacement. However, it has been observed that random reshuffling can deliver superior performance and, yet, no formal proofs or guarantees of exact convergence exist for variance-reduced algorithms under random reshuffling. This paper makes two contributions. First, it resolves this open issue and provides the first theoretical guarantee of linear convergence under random reshuffling for SAGA; the argument is also adaptable to other variance-reduced algorithms. Second, under random reshuffling, the paper proposes a new amortized variance-reduced gradient (AVRG) algorithm with constant storage requirements compared to SAGA and with balanced gradient computations compared to SVRG. AVRG is also shown analytically to converge linearly.

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Type
conference paper
DOI
10.1109/ICASSP.2018.8461739
Web of Science ID

WOS:000446384602093

Author(s)
Ying, Bicheng  
•
Yuan, Kun  
•
Sayed, Ali H.  
Date Issued

2018-01-01

Publisher

IEEE

Publisher place

New York

Published in
2018 Ieee International Conference On Acoustics, Speech And Signal Processing (Icassp)
ISBN of the book

978-1-5386-4658-8

Start page

2286

End page

2290

Subjects

Acoustics

•

Engineering, Electrical & Electronic

•

Engineering

•

random reshuffling

•

variance-reduction

•

stochastic gradient descent

•

linear convergence

Editorial or Peer reviewed

REVIEWED

Written at

EPFL

EPFL units
ASL  
Event nameEvent placeEvent date
IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP)

Calgary, CANADA

Apr 15-20, 2018

Available on Infoscience
December 13, 2018
Use this identifier to reference this record
https://infoscience.epfl.ch/handle/20.500.14299/152297
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