https://blog.wongcw.com/2019/05/27/%e7%a7%bb%e5%8b%95%e6%96%b0%e6%97%97%e8%89%a6%ef%bc%9aarm%e7%99%bc%e5%b8%83cortex-a77-cpu%e8%88%87mali-g77-gpu%e8%8a%af%e7%89%87%e6%96%b9%e6%a1%88/