Based on Tensorflow guidlines.
INFO:tensorflow:Saving checkpoints for 20001 into /tmp/mnist_convnet_model/model.ckpt. INFO:tensorflow:Loss for final step: 0.06354427. INFO:tensorflow:Calling model_fn. INFO:tensorflow:Done calling model_fn. INFO:tensorflow:Starting evaluation at 2018-05-30-23:22:29 INFO:tensorflow:Graph was finalized. INFO:tensorflow:Restoring parameters from /tmp/mnist_convnet_model/model.ckpt-20001 INFO:tensorflow:Running local_init_op. INFO:tensorflow:Done running local_init_op. INFO:tensorflow:Finished evaluation at 2018-05-30-23:22:37 INFO:tensorflow:Saving dict for global step 20001: accuracy = 0.9706, global_step = 20001, loss = 0.10373647 {'accuracy': 0.9706, 'loss': 0.10373647, 'global_step': 20001}