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return tf.cond( |
global_step < warmup_steps, |
lambda: warmup_learning_rate, |
lambda: self.post_warmup_learning_rate, |
) |
# Create a learning rate schedule |
num_train_steps = len(train_dataset) * EPOCHS |
num_warmup_steps = num_train_steps // 15 |
lr_schedule = LRSchedule(post_warmup_learning_rate=1e-4, warmup_steps=num_warmup_steps) |
# Compile the model |
caption_model.compile(optimizer=keras.optimizers.Adam(lr_schedule), loss=cross_entropy) |
# Fit the model |
caption_model.fit( |
train_dataset, |
epochs=EPOCHS, |
validation_data=valid_dataset, |
callbacks=[early_stopping], |
) |
Epoch 1/30 |
2021-09-17 05:18:22.943796: I tensorflow/core/kernels/data/shuffle_dataset_op.cc:175] Filling up shuffle buffer (this may take a while): 59 of 256 |
2021-09-17 05:18:30.137746: I tensorflow/core/kernels/data/shuffle_dataset_op.cc:228] Shuffle buffer filled. |
2021-09-17 05:18:30.598020: I tensorflow/stream_executor/cuda/cuda_dnn.cc:369] Loaded cuDNN version 8005 |
96/96 [==============================] - 62s 327ms/step - loss: 28.1409 - acc: 0.1313 - val_loss: 20.4968 - val_acc: 0.3116 |
Epoch 2/30 |
2021-09-17 05:19:13.829127: I tensorflow/core/kernels/data/shuffle_dataset_op.cc:175] Filling up shuffle buffer (this may take a while): 59 of 256 |
2021-09-17 05:19:19.872802: I tensorflow/core/kernels/data/shuffle_dataset_op.cc:228] Shuffle buffer filled. |
96/96 [==============================] - 43s 278ms/step - loss: 19.3393 - acc: 0.3207 - val_loss: 18.0922 - val_acc: 0.3514 |
Epoch 3/30 |
2021-09-17 05:19:56.772506: I tensorflow/core/kernels/data/shuffle_dataset_op.cc:175] Filling up shuffle buffer (this may take a while): 61 of 256 |
2021-09-17 05:20:02.481758: I tensorflow/core/kernels/data/shuffle_dataset_op.cc:228] Shuffle buffer filled. |
96/96 [==============================] - 42s 278ms/step - loss: 17.4184 - acc: 0.3552 - val_loss: 17.0022 - val_acc: 0.3698 |
Epoch 4/30 |
2021-09-17 05:20:39.367542: I tensorflow/core/kernels/data/shuffle_dataset_op.cc:175] Filling up shuffle buffer (this may take a while): 61 of 256 |
2021-09-17 05:20:45.149089: I tensorflow/core/kernels/data/shuffle_dataset_op.cc:228] Shuffle buffer filled. |
96/96 [==============================] - 43s 278ms/step - loss: 16.3052 - acc: 0.3760 - val_loss: 16.3026 - val_acc: 0.3845 |
Epoch 5/30 |
2021-09-17 05:21:21.930582: I tensorflow/core/kernels/data/shuffle_dataset_op.cc:175] Filling up shuffle buffer (this may take a while): 61 of 256 |
2021-09-17 05:21:27.608503: I tensorflow/core/kernels/data/shuffle_dataset_op.cc:228] Shuffle buffer filled. |
96/96 [==============================] - 42s 278ms/step - loss: 15.5097 - acc: 0.3901 - val_loss: 15.8929 - val_acc: 0.3925 |
Epoch 6/30 |
2021-09-17 05:22:04.553717: I tensorflow/core/kernels/data/shuffle_dataset_op.cc:175] Filling up shuffle buffer (this may take a while): 61 of 256 |
2021-09-17 05:22:10.210087: I tensorflow/core/kernels/data/shuffle_dataset_op.cc:228] Shuffle buffer filled. |
96/96 [==============================] - 42s 278ms/step - loss: 14.8596 - acc: 0.4069 - val_loss: 15.5456 - val_acc: 0.4005 |
Epoch 7/30 |
2021-09-17 05:22:47.100594: I tensorflow/core/kernels/data/shuffle_dataset_op.cc:175] Filling up shuffle buffer (this may take a while): 62 of 256 |
2021-09-17 05:22:52.466539: I tensorflow/core/kernels/data/shuffle_dataset_op.cc:228] Shuffle buffer filled. |
96/96 [==============================] - 42s 277ms/step - loss: 14.3454 - acc: 0.4131 - val_loss: 15.3313 - val_acc: 0.4045 |
Epoch 8/30 |
2021-09-17 05:23:29.226300: I tensorflow/core/kernels/data/shuffle_dataset_op.cc:175] Filling up shuffle buffer (this may take a while): 61 of 256 |
2021-09-17 05:23:34.808841: I tensorflow/core/kernels/data/shuffle_dataset_op.cc:228] Shuffle buffer filled. |
96/96 [==============================] - 42s 277ms/step - loss: 13.8745 - acc: 0.4251 - val_loss: 15.2011 - val_acc: 0.4078 |
Epoch 9/30 |
2021-09-17 05:24:11.615058: I tensorflow/core/kernels/data/shuffle_dataset_op.cc:175] Filling up shuffle buffer (this may take a while): 62 of 256 |
2021-09-17 05:24:17.030769: I tensorflow/core/kernels/data/shuffle_dataset_op.cc:228] Shuffle buffer filled. |
96/96 [==============================] - 42s 277ms/step - loss: 13.4640 - acc: 0.4350 - val_loss: 15.0905 - val_acc: 0.4107 |
Epoch 10/30 |
2021-09-17 05:24:53.832807: I tensorflow/core/kernels/data/shuffle_dataset_op.cc:175] Filling up shuffle buffer (this may take a while): 61 of 256 |
2021-09-17 05:24:59.506573: I tensorflow/core/kernels/data/shuffle_dataset_op.cc:228] Shuffle buffer filled. |
96/96 [==============================] - 42s 277ms/step - loss: 13.0922 - acc: 0.4414 - val_loss: 15.0083 - val_acc: 0.4113 |
Epoch 11/30 |
2021-09-17 05:25:36.242501: I tensorflow/core/kernels/data/shuffle_dataset_op.cc:175] Filling up shuffle buffer (this may take a while): 62 of 256 |
2021-09-17 05:25:41.723206: I tensorflow/core/kernels/data/shuffle_dataset_op.cc:228] Shuffle buffer filled. |
96/96 [==============================] - 42s 277ms/step - loss: 12.7538 - acc: 0.4464 - val_loss: 14.9455 - val_acc: 0.4143 |
Epoch 12/30 |
2021-09-17 05:26:18.532009: I tensorflow/core/kernels/data/shuffle_dataset_op.cc:175] Filling up shuffle buffer (this may take a while): 62 of 256 |
2021-09-17 05:26:23.985106: I tensorflow/core/kernels/data/shuffle_dataset_op.cc:228] Shuffle buffer filled. |
96/96 [==============================] - 42s 277ms/step - loss: 12.4233 - acc: 0.4547 - val_loss: 14.9816 - val_acc: 0.4133 |
Epoch 13/30 |
2021-09-17 05:27:00.696082: I tensorflow/core/kernels/data/shuffle_dataset_op.cc:175] Filling up shuffle buffer (this may take a while): 63 of 256 |
2021-09-17 05:27:05.812571: I tensorflow/core/kernels/data/shuffle_dataset_op.cc:228] Shuffle buffer filled. |
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