https://blog.wongcw.com/2021/06/04/7nm-rdna2%e5%b0%88%e6%a5%ad%e5%8d%a1%e4%be%86%e4%ba%86amd%e9%a0%90%e5%91%8a%e5%85%a8%e6%96%b0%e9%a1%af%e5%8d%a1/