!10798 CPU data_sink_mode should be False

From: @caojian05
Reviewed-by: @wuxuejian,@oacjiewen
Signed-off-by: @wuxuejian

model_zoo/official/cv/deeplabv3/train.py

@@ -170,7 +170,7 @@ def train():
         ckpoint_cb = ModelCheckpoint(prefix=args.model, directory=args.train_dir, config=config_ck)
         cbs.append(ckpoint_cb)
 
-    model.train(args.train_epochs, dataset, callbacks=cbs)
+    model.train(args.train_epochs, dataset, callbacks=cbs, dataset_sink_mode=(args.device_target != "CPU"))
 
 
 if __name__ == '__main__':