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Add support for export.py

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drawfish 2023-05-29 16:32:49 +08:00 committed by GitHub
parent 63c7402297
commit d5ad908562
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1 changed files with 6 additions and 6 deletions
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12
egs/librispeech/ASR/pruned_transducer_stateless7_ctc_bs/frame_reducer.py
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@ -74,7 +74,7 @@ class FrameReducer(nn.Module):
padding_mask = make_pad_mask(x_lens) padding_mask = make_pad_mask(x_lens)
non_blank_mask = (ctc_output[:, :, blank_id] < math.log(0.9)) * (~padding_mask) non_blank_mask = (ctc_output[:, :, blank_id] < math.log(0.9)) * (~padding_mask)
if y_lens is not None or self.training is False: if y_lens is not None or self.training == False:
# Limit the maximum number of reduced frames # Limit the maximum number of reduced frames
if y_lens is not None: if y_lens is not None:
limit_lens = T - y_lens limit_lens = T - y_lens
@ -93,12 +93,12 @@ class FrameReducer(nn.Module):
.to(device=x.device) .to(device=x.device)
) )
T = torch.remainder(T, limit_lens.unsqueeze(1)) T = torch.remainder(T, limit_lens.unsqueeze(1))
limit_indexes = torch.gather(fake_limit_indexes, 1, T) limit_indexes = torch.gather(fake_limit_indexes, 1, torch.tensor(T))
limit_mask = torch.full_like( limit_mask = (torch.full_like(
non_blank_mask, non_blank_mask,
False, 0,
device=x.device, device=x.device,
).scatter_(1, limit_indexes, True) ).scatter_(1, limit_indexes, 1) == 1)
non_blank_mask = non_blank_mask | ~limit_mask non_blank_mask = non_blank_mask | ~limit_mask
@ -112,7 +112,7 @@ class FrameReducer(nn.Module):
) )
- out_lens - out_lens
) )
max_pad_len = pad_lens_list.max() max_pad_len = int(pad_lens_list.max().item())
out = F.pad(x, (0, 0, 0, max_pad_len)) out = F.pad(x, (0, 0, 0, max_pad_len))