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Fix backprop bug

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This commit is contained in:
Daniel Povey 2022-03-04 12:29:44 +08:00
parent cd216f50b6
commit 3d9ddc2016
1 changed files with 1 additions and 1 deletions
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egs/librispeech/ASR/conformer_ctc/subsampling.py
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@ -220,7 +220,7 @@ def _exp_scale_swish_backward(x: Tensor, scale: Tensor, speed: float) -> Tensor:
class ExpScaleSwishFunction(torch.autograd.Function):
@staticmethod
def forward(ctx, x: Tensor, scale: Tensor, speed: float) -> Tensor:
ctx.save_for_backward(x, scale)
ctx.save_for_backward(x.detach(), scale.detach())
ctx.speed = speed
return _exp_scale_swish(x, scale, speed)