Easy to install Tensorflow on AArch64
Latest tensorflow version is 1.15.5.
The version 1.11.0 has been tested on RK3399(Nanopi M4).
wget https://github.com/noahzhy/tf-aarch64/blob/master/tensorflow-1.15.5-cp37-cp37m-linux_aarch64.whl
pip3 install tensorflow-1.15.5-cp37-cp37m-linux_aarch64.whl