Keras

Keras Tutorial

1. To activate the framework, use these commands on your Using the Deep Learning AMI with Conda CLI.

   • For Keras 2 with an MXNet backend on Python 3 with CUDA 9 with cuDNN 7:

     $ source activate mxnet_p36

   • For Keras 2 with an MXNet backend on Python 2 with CUDA 9 with cuDNN 7:

     $ source activate mxnet_p27

   • For Keras 2 with a TensorFlow backend on Python 3 with CUDA 9 with cuDNN 7:

     $ source activate tensorflow_p36

   • For Keras 2 with a TensorFlow backend on Python 2 with CUDA 9 with cuDNN 7:

     $ source activate tensorflow_p27

2. To test importing Keras to verify which backend is activated, use these commands:

   
   $ ipython
   import keras as k

   The following should appear on your screen:

   Using MXNet backend

   If Keras is using TensorFlow, the following is displayed:

   Using TensorFlow backend

   Note

   If you get an error, or if the wrong backend is still being used, you can update your Keras configuration manually. Edit the ~/.keras/keras.json file and change the backend setting to mxnet or tensorflow.

More Tutorials

• For a multi-GPU tutorial using Keras with a MXNet backend, try the Keras-MXNet Multi-GPU Training Tutorial.

• You can find examples for Keras with a MXNet backend in the Deep Learning AMI with Conda ~/examples/keras-mxnet directory.

• You can find examples for Keras with a TensorFlow backend in the Deep Learning AMI with Conda ~/examples/keras directory.

• For additional tutorials and examples, see the Keras website.