transformer# modeling position_encoding_init() WordEmbedding WordEmbedding.forward() PositionalEmbedding PositionalEmbedding.forward() CrossEntropyCriterion CrossEntropyCriterion.forward() TransformerDecodeCell TransformerDecodeCell.forward() TransformerBeamSearchDecoder TransformerBeamSearchDecoder.tile_beam_merge_with_batch() TransformerBeamSearchDecoder.step() TransformerModel TransformerModel.forward() InferTransformerModel InferTransformerModel.forward() InferTransformerModel.beam_search_v2() LabelSmoothedCrossEntropyCriterion LabelSmoothedCrossEntropyCriterion.forward()