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Designing a mask for self-attention

To ensure that the decoder can learn to predict tokens, it's important to mask future tokens when modeling the input sequences. You'll build a mask in the form of a triangular matrix of True and False values, with False values in the upper diagonal to exclude future tokens.

Latihan ini adalah bagian dari kursus

Transformer Models with PyTorch

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Petunjuk latihan

  • Create a Boolean matrix, tgt_mark to mask future tokens in the attention mechanism of the decoder body.

Latihan interaktif praktis

Cobalah latihan ini dengan menyelesaikan kode contoh berikut.

seq_length= 3

# Create a Boolean matrix to mask future tokens
tgt_mask = (1 - torch.____(
  torch.____(1, ____, ____), diagonal=____)
).____()

print(tgt_mask)
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