https://blog.wongcw.com/2020/06/10/amd%e9%80%8f%e9%9c%b2%e4%ba%86nvidia-dgx-a100%e7%b3%bb%e7%b5%b1%e6%9b%b4%e5%a4%9a%e7%b4%b0%e7%af%80/