Attention Is All You Need

Vaswani et al., 2017, Attention Is All You Need (Advances in Neural Information Processing Systems 30 (NIPS 2017))

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6.2 Model Variations

  1. What did the Transformer ablations (model variations) show?
    A single head was 0.9 BLEU worse than the best setting, but too many heads also hurt; smaller key size \(d_k\) hurt, suggesting compatibility is hard to compute; bigger models were better; dropout was very helpful against overfitting; learned positional embeddings matched sinusoids.

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