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Error occurs in out-loop backward #18

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dieuroi opened this issue Aug 23, 2021 · 1 comment
Open

Error occurs in out-loop backward #18

dieuroi opened this issue Aug 23, 2021 · 1 comment

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@dieuroi
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dieuroi commented Aug 23, 2021

RuntimeError: one of the variables needed for gradient computation has been modified by an inplace operation

I think the backward operation in train_one_batch (line 308 in transformer.py) has freed the graph, while this does not disturb the out-loop backward.

The error occurs when batch_loss.backward() (line 167 in MAML.py)
@jinyilun718
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same error, how to fix

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@dieuroi @jinyilun718