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Compacting Neural Network Classifiers via Dropout Training by Kubo, Yotaro; Tucker, George; Wiesler, Simon is a scholarly article available to read on EtoBox.

What is Compacting Neural Network Classifiers via Dropout Training about?

We introduce dropout compaction, a novel method for training feed-forward neural networks which realizes the performance gains of training a large model with dropout regularization, yet extracts a compact neural network for run-time efficiency. In the proposed method, we introduce a sparsity-inducing prior on the per unit dropout retention probability so that the optimizer can effectively prune hidden units during training. By changing the prior hyperparameters, we can control the size of the resulting network. We performed a systematic comparison of dropout compaction and competing methods on several real-world speech recognition tasks and found that dropout compaction achieved comparable accuracy with fewer than 50% of the hidden units, translating to a 2.5x speedup in run-time.

Author

Kubo, Yotaro; Tucker, George; Wiesler, Simon

Published

2016

Language

EN