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Error occurs in out-loop backward #18
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same error, how to fix |
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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)
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