ICML 2019oral63 citations
Conditional Gradient Methods via Stochastic Path-Integrated Differential Estimator
Alp Yurtsever, Suvrit Sra, Volkan Cevher
Abstract
We propose a class of variance-reduced stochastic conditional gradient methods. By adopting the recent stochastic path-integrated differential estimator technique (SPIDER) of Fang et. al. (2018) for the classical Frank-Wolfe (FW) method, we introduce SPIDER-FW for finite-sum minimization as well as the more general expectation minimization problems. SPIDER-FW enjoys superior complexity guarantees in the non-convex setting, while matching the best known FW variants in the convex case. We also extend our framework a la conditional gradient sliding (CGS) of Lan & Zhou. (2016), and propose SPIDER-CGS.
BibTeX
@InProceedings{pmlr-v97-yurtsever19b,
title = {Conditional Gradient Methods via Stochastic Path-Integrated Differential Estimator},
author = {Yurtsever, Alp and Sra, Suvrit and Cevher, Volkan},
booktitle = {Proceedings of the 36th International Conference on Machine Learning},
pages = {7282--7291},
year = {2019},
editor = {Chaudhuri, Kamalika and Salakhutdinov, Ruslan},
volume = {97},
series = {Proceedings of Machine Learning Research},
month = {09--15 Jun},
publisher = {PMLR},
pdf = {http://proceedings.mlr.press/v97/yurtsever19b/yurtsever19b.pdf},
url = {https://proceedings.mlr.press/v97/yurtsever19b.html},
abstract = {We propose a class of variance-reduced stochastic conditional gradient methods. By adopting the recent stochastic path-integrated differential estimator technique (SPIDER) of Fang et. al. (2018) for the classical Frank-Wolfe (FW) method, we introduce SPIDER-FW for finite-sum minimization as well as the more general expectation minimization problems. SPIDER-FW enjoys superior complexity guarantees in the non-convex setting, while matching the best known FW variants in the convex case. We also extend our framework a la conditional gradient sliding (CGS) of Lan & Zhou. (2016), and propose SPIDER-CGS.}
}