Issues with Keras printing progress in Jupyter

[jeremy (Jeremy Howard)]

Jupyter notebook dies/freezes during training

Hello together, When I start the training of a neural network the jupyter notebook dies / freeze. Does someone have a similar experience? How can I improve it? I use AWS p2 instance with the fast.ai image. It happend with the theano backend (part I) or tensorflow (part II) I write my python code in jupyter notebook. When I execute the command: model.fit(map_train, y_train, batch_size=128, nb_epoch=1, verbose=1, validation_data=(map_valid, y_valid)) The notebook is “busy” and don’t react a…