codertimo / codertimo/BERT-pytorch

pred_loss decrease fast while avg_acc stay at 50%

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Description

I try to run the code on a small dataset and I find that pred_loss decrease fast while avg_acc stay at 50%. It is strange to me since decrease in pred_loss should indicates increase in accuracy.
![image](https://user-images.githubusercontent.com/8109984/47352288-2e2b0f80-d6ec-11e8-96c0-2187e18d651c.png)

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