Fix duplicated forward/backward in trainer.

8 years ago · 5ce504b19b
parent cdecd53be3
commit 5ce504b19b
1 changed files with 0 additions and 3 deletions
--- a/python/paddle/v2/trainer.py
+++ b/python/paddle/v2/trainer.py
@ -108,9 +108,6 @@ class SGD(ITrainer):
            pass_evaluator.start()
            updater.startPass()
            for batch_id, data_batch in enumerate(reader()):
-                pass_type = updater.startBatch(len(data_batch))
-                self.__gradient_machine__.forwardBackward(
-                    feeder(data_batch), out_args, pass_type)
                batch_evaluator.start()
                event_handler(
                    v2_event.BeginIteration(