cuDNN • DL framework relies on system library ◦ tensorflow 1.4.1 > CUDA 8 ◦ tensorflow 1.5 > CUDA 9 • Isolate the project environment ◦ python2 vs. python3 ◦ python3.5 vs. python3.6 ◦ different package requirement across the different project Why should I use it? hardware CUDA, cuDNN keras, tensorflow ... python package isolation