Versions.py
Small group of commands for checking versions of:
Keras
Nvidia
cuda
Cudnn
Tensorflow
It also indicates, if everything is installed correctly, if a GPU is found or not.
TestTensorGPU.py .
Make a small network to verify its correct operation
for more compatibility of versions, please check oficial information, for example... https://www.tensorflow.org/install/source_windows?hl=es-419#gpu