https://blog.wongcw.com/2020/04/07/%e7%b6%b2%e5%8f%8b%e7%b7%9a%e4%b8%8b%e8%b2%b7cpu%e8%a2%ab%e9%a8%99%e4%b8%80%e8%90%acamd%e7%ab%9f%e7%84%b6%e9%82%84%e8%83%bd%e6%8f%9b%e8%93%8b%ef%bc%9f/