Compile libtorch from source code under Linux

Reference official website: https://github.com/pytorch/pytorch/tree/v1.5.1

Try to verify.

Installation dependencies:

conda install numpy ninja pyyaml mkl mkl-include setuptools cmake cffi

conda install -c pytorch magma-cu102

installation:

export CMAKE_PREFIX_PATH=${CONDA_PREFIX:-"$(dirname $(which conda))/../"}
python setup.py install

The installation was not successful, please add later.