avx

https://www.intel.com/content/www/us/en/docs/intrinsics-guide/index.html#techs=AVX

 

https://blog.csdn.net/nbu_dahe/article/details/122157205

 

https://blog.csdn.net/just_sort/article/details/105338621

 

https://zhuanlan.zhihu.com/p/94649418

 

#include <immintrin.h>

在编译时需要添加后缀-mavx -mavx2