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Beam search operator #5018

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Superjomn opened this issue Oct 23, 2017 · 0 comments · Fixed by #5052
Closed

Beam search operator #5018

Superjomn opened this issue Oct 23, 2017 · 0 comments · Fixed by #5052
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@Superjomn
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OpPorting
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PaddlePaddle Refactoring: Phase 3

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@Superjomn
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According the design of sequence decoder, a beam search operator is needed.

It takes two inputs:

  • topk_ids: candidate id set,
  • topk_generation_scores: the scores of the prefixes with the candidates appended.
    and it has two outputs:
  • selected_ids: the selected candidate id set,
  • selected_translation_scores: the corresponding scores of the selected prefixes with candidates appended.
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PaddlePaddle Refactoring: Phase 3
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feature/beam search op Superjomn/Paddle
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@Superjomn @chengduoZH