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Why reain_graph is needed here ? #96

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Why reain_graph is needed here ?#96

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@LeoniusChen
LeoniusChen
opened on Feb 8, 2021

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 ?

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  1. yangquanli commented on Apr 23, 2021

    @yangquanli
    yangquanli
    on Apr 23, 2021

    have the same doubts.

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