2

次のエラーが表示されます。

File "/net/if5/wua4nw/wasi/academic/research_with_prof_chang/projects/question_answering/duplicate_question_detection/source/train.py", line 62, in train
    loss.backward()
  File "/if5/wua4nw/anaconda3/lib/python3.5/site-packages/torch/autograd/variable.py", line 145, in backward
    self._execution_engine.run_backward((self,), (gradient,), retain_variables)
  File "/if5/wua4nw/anaconda3/lib/python3.5/site-packages/torch/autograd/function.py", line 208, in _do_backward
    result = super(NestedIOFunction, self)._do_backward(gradients, retain_variables)
  File "/if5/wua4nw/anaconda3/lib/python3.5/site-packages/torch/autograd/function.py", line 216, in backward
    result = self.backward_extended(*nested_gradients)
  File "/if5/wua4nw/anaconda3/lib/python3.5/site-packages/torch/nn/_functions/rnn.py", line 210, in backward_extended
    grad_hx)
  File "/if5/wua4nw/anaconda3/lib/python3.5/site-packages/torch/backends/cudnn/rnn.py", line 360, in backward_grad
    raise RuntimeError('Gradients aren\'t CUDA tensors')
RuntimeError: Gradients aren't CUDA tensors

loss.backward()pytorchで実行中。順伝播は正常に機能していますが、逆伝播ステップを実行するとエラーが発生します。誰でも問題を解決する方法を教えてもらえますか?

PS: ソースコードが長すぎるので投稿しません!

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