Eval begin...
step 31/31 - loss: 1.7014 - acc: 0.2175 - 56ms/step
Eval samples: 492
Epoch 326/500
step 277/277 - loss: 1.0348 - acc: 0.9214 - 77ms/step
save checkpoint at /home/aistudio/data/checkpoint/325
Eval begin...
step 31/31 - loss: 1.6716 - acc: 0.2215 - 60ms/step
Eval samples: 492
Epoch 327/500
step 277/277 - loss: 1.0705 - acc: 0.9225 - 75ms/step
save checkpoint at /home/aistudio/data/checkpoint/326
Eval begin...
step 31/31 - loss: 1.7314 - acc: 0.2236 - 56ms/step
Eval samples: 492