Any trick on training deep dense BNN model?

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Son Nguyen

Jun 21, 2022, 5:22:53 PM6/21/22
to TensorFlow Probability

Hello TFP community,

I am converting my deterministic neural network with 4 dense layers to BNNs using DenseVariational.

I noticed that it works well with 1/4 layers is BNN. Starting at 2/4 layers, the performance reduces quickly and with 4/4 layers (all parameters are distributions), the model just generates random noise.

 Using Stochastic Weight Averaging - SWA ( improves the training in general, making 2/4 layers work well but 3/4 and 4/4 are still badly trained.

 SWA is a simple trick that might work sometime.

 Do you guys have any other trick you can share that improves the training of deep BNNs?

Thank you very much. 

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