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Why reain_graph is needed here ? #96

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LeoniusChen opened this issue Feb 8, 2021 · 1 comment

LeoniusChen commented Feb 8, 2021 •

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Hi, I read the GAN code and I have the confusion that why the retain_graph is needed here ?

PyTorch-Tutorial/tutorial-contents/406_GAN.py

Line 71 in 4e5122c

D_loss.backward(retain_graph=True) # reusing computational graph

The computation graph of discriminator should not be released ?

yangquanli commented Apr 23, 2021

have the same doubts.

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