Improving Stochastic Gradient Descent with FeedbackDownload PDF

04 Mar 2024 (modified: 21 Jul 2022)Submitted to ICLR 2017Readers: Everyone
Abstract: In this paper we propose a simple and efficient method for improving stochastic gradient descent methods by using feedback from the objective function. The method tracks the relative changes in the objective function with a running average, and uses it to adaptively tune the learning rate in stochastic gradient descent. We specifically apply this idea to modify Adam, a popular algorithm for training deep neural networks. We conduct experiments to compare the resulting algorithm, which we call Eve, with state of the art methods used for training deep learning models. We train CNNs for image classification, and RNNs for language modeling and question answering. Our experiments show that Eve outperforms all other algorithms on these benchmark tasks. We also analyze the behavior of the feedback mechanism during the training process.
TL;DR: We improve stochastic gradient descent by incorporating feedback from the objective function
Conflicts: cs.cmu.edu
Keywords: Deep learning, Optimization
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