Keras with TensorFlow backend not using GPU

Question

I built the gpu version of the docker image https://github.com/floydhub/dl-docker with keras version 2.0.0 and tensorflow version 0.12.1. I then ran the mnist tutorial https

Answer 1

In the future, you can try using virtual environments to separate tensorflow CPU and GPU, for example:

conda create --name tensorflow python=3.5
activate tensorflow
pip install tensorflow

AND

conda create --name tensorflow-gpu python=3.5
activate tensorflow-gpu
pip install tensorflow-gpu