Fix issue #I1PURI [MA][diff_privacy][Func]the accuracy of diff_privacy...

Fix issue #I1PURI [MA][diff_privacy][Func]the accuracy of diff_privacy tutorial not meet the requirment

example/mnist_demo/lenet5_config.py

@@ -22,7 +22,7 @@ mnist_cfg = edict({
     'num_classes': 10,  # the number of classes of model's output
     'lr': 0.01,  # the learning rate of model's optimizer
     'momentum': 0.9,  # the momentum value of model's optimizer
-    'epoch_size': 5,  # training epochs
+    'epoch_size': 10,  # training epochs
     'batch_size': 256,  # batch size for training
     'image_height': 32,  # the height of training samples
     'image_width': 32,  # the width of training samples

example/mnist_demo/lenet5_dp.py

@@ -155,7 +155,7 @@ if __name__ == "__main__":
                 dataset_sink_mode=cfg.dataset_sink_mode)
 
     LOGGER.info(TAG, "============== Starting Testing ==============")
-    ckpt_file_name = 'trained_ckpt_file/checkpoint_lenet-5_234.ckpt'
+    ckpt_file_name = 'trained_ckpt_file/checkpoint_lenet-10_234.ckpt'
     param_dict = load_checkpoint(ckpt_file_name)
     load_param_into_net(network, param_dict)
     ds_eval = generate_mnist_dataset(os.path.join(cfg.data_path, 'test'),