https://blog.wongcw.com/2019/03/14/%e4%b8%8b%e9%80%b1gtc%e5%a4%a7%e6%9c%83nvidia%e6%88%96%e6%8e%a8%e6%96%b0%e4%b8%80%e4%bb%a37nm-gpu-%e4%b8%8ahbm-3%e9%a1%af%e5%ad%98/