https://blog.wongcw.com/2021/12/03/%e7%be%8e%e5%9c%8bnrel%e5%85%ac%e4%bd%8844-petaflop%e6%96%b0%e8%b6%85%e7%ae%97-%e6%8e%a1%e7%94%a8nvidia-a100next-gpu/