How to compile tensorflow on CentOS

Tensorflow is a very effective machine learning library implemented by C++, we can use tensorflow with Python, but, there is a problem if we don't compile the tensorflow, it would cost a lot of time to compute. when we install the tensorflow with pip, we can see a warning message:"The TensorFlow library wasn't compiled to use SSE4.2 instructions, but these are available on your machine and could speed up CPU computations." when import tensorflow. so, we need to compile the tensorflow library to speed up computation.Tensorflow is a very effective machine learning