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blockformer #1504

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blockformer #1504

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LeonWlw
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@LeonWlw LeonWlw commented Oct 19, 2022

This PR is about implementation of blockformer in WeNet.
(Original paper: https://arxiv.org/abs/2207.11697)

  • Implementation Details
    • add se layer ensemble conformer encoder outputs
    • add se layer ensemble transformer decoder outputs
    • using relative positional encoding in decoder

In main branch, extracting features by torchaudio make a little worse results than the paper. I will push a branch using kaldi features for aishell recipe which can reproduce results in the paper.

@robin1001
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I think it's better if we add the experiment results on AIShell-1 and LibriSpeech, to show that we can get consistent and solid gain by using the model.


def forward(self, x: torch.Tensor) -> torch.Tensor:
b, c, _, _ = x.size()
y = self.avg_pool(x).view(b, c)
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avg_pool over T and D dim should consider pad_mask ?

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thanks for your remind, we will update pad_mask to the code and retrain it .

@LeonWlw
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LeonWlw commented Oct 19, 2022

I think it's better if we add the experiment results on AIShell-1 and LibriSpeech, to show that we can get consistent and solid gain by using the model.

@robin1001 results of aishell has been added

@903859154
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hi, i run blockformer in 3080 and it just used 30% - 40% gpu. I change batchsize bigger and numworker but it didn't work. So what should i do to take more use of gpu?

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5 participants