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remove if-branch at downsampling pad

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danqing fu 2023-06-06 10:05:59 +08:00
parent f59e06c556
commit 8f8b09498f
1 changed files with 5 additions and 6 deletions
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11
egs/librispeech/ASR/zipformer/zipformer.py
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@ -1229,12 +1229,11 @@ class SimpleDownsample(torch.nn.Module):
d_seq_len = (seq_len + ds - 1) // ds d_seq_len = (seq_len + ds - 1) // ds
# Pad to an exact multiple of self.downsample # Pad to an exact multiple of self.downsample
if seq_len != d_seq_len * ds: # right-pad src, repeating the last element.
# right-pad src, repeating the last element. pad = d_seq_len * ds - seq_len
pad = d_seq_len * ds - seq_len src_extra = src[src.shape[0]-1:].expand(pad, src.shape[1], src.shape[2])
src_extra = src[src.shape[0]-1:].expand(pad, src.shape[1], src.shape[2]) src = torch.cat((src, src_extra), dim=0)
src = torch.cat((src, src_extra), dim=0) assert src.shape[0] == d_seq_len * ds
assert src.shape[0] == d_seq_len * ds
src = src.reshape(d_seq_len, ds, batch_size, in_channels) src = src.reshape(d_seq_len, ds, batch_size, in_channels)