Comments (1)
Hi,
what you are seeing is really just a difference between OSes/CPUs; when I run your ReCodEx solution on my laptop (and also on the ReCodEx machine), I get exactly the results from the Examples, i.e.,
$ python3 sequence_classification.py --rnn=LSTM --epochs=5 --hidden_layer=50
Epoch 1/5
625/625 [==============================] - 8s 10ms/step - loss: 0.6829 - accuracy: 0.5160 - val_loss: 0.6601 - val_accuracy: 0.5166
Epoch 2/5
625/625 [==============================] - 5s 8ms/step - loss: 0.6447 - accuracy: 0.5398 - val_loss: 0.6310 - val_accuracy: 0.5274
Epoch 3/5
625/625 [==============================] - 5s 8ms/step - loss: 0.6226 - accuracy: 0.5545 - val_loss: 0.6108 - val_accuracy: 0.5522
Epoch 4/5
625/625 [==============================] - 5s 8ms/step - loss: 0.5895 - accuracy: 0.5859 - val_loss: 0.5529 - val_accuracy: 0.6215
Epoch 5/5
625/625 [==============================] - 5s 8ms/step - loss: 0.4641 - accuracy: 0.7130 - val_loss: 0.3106 - val_accuracy: 0.8517
The gradients are exploding during the training (because the example with gradient clipping is training faster), so even a very small difference in loss computation can cascade into a large difference in accuracy.
Yes, I swapped the order, mostly because of ReCodEx -- you see all the tests/examples always expanded there, so I placed the tests first (and numbered them) to make it easier to find the inputs corresponding to ReCodEx tests.
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