bug fix

scheduled_sampling/scheduled_sampling.py

@@ -62,7 +62,7 @@ def seqToseq_net(source_dict_dim, target_dict_dim, is_generating=False):
         decoder_boot += paddle.layer.full_matrix_projection(
             input=backward_first)
 
-    def gru_decoder_with_attention_train(enc_vec, enc_proj, true_word, generated_word, true_token_flag):
+    def gru_decoder_with_attention_train(enc_vec, enc_proj, true_word, true_token_flag):
 
         decoder_mem = paddle.layer.memory(
             name='gru_decoder', size=decoder_size, boot_layer=decoder_boot)
@@ -72,7 +72,10 @@ def seqToseq_net(source_dict_dim, target_dict_dim, is_generating=False):
             encoded_proj=enc_proj,
             decoder_state=decoder_mem)
 
-        current_word = paddle.layer.multiplex([true_token_flag, true_word, generated_word])
+        generated_word_memory = paddle.layer.memory(
+            name='generated_word', size=1, boot_with_const_id=0)
+
+        current_word = paddle.layer.multiplex([true_token_flag, true_word, generated_word_memory])
 
         with paddle.layer.mixed(size=decoder_size * 3) as decoder_inputs:
             decoder_inputs += paddle.layer.full_matrix_projection(input=context)
@@ -90,6 +93,9 @@ def seqToseq_net(source_dict_dim, target_dict_dim, is_generating=False):
                 bias_attr=True,
                 act=paddle.activation.Softmax()) as out:
             out += paddle.layer.full_matrix_projection(input=gru_step)
+
+        max_id(input=out, name='generated_word')
+
         return out
 
     def gru_decoder_with_attention_test(enc_vec, enc_proj, current_word):