Phrase-only LM look-ahead pruning defines the look-ahead score q LMLA (ẽ|ẽ ) = q LME (ẽ) to be the LM score of phraseẽ, assumingẽ to be the full sentence.
we compare our decoder to Moses, reaching a similar highest BLEU score, but clearly outperforming it in terms of scalability with respect to the trade-off ratio between translation quality and speed.