Here&#x27;s an example of the output of IACA: <a href="https:&#x2F;&#x2F;gist.github.com&#x2F;nkurz&#x2F;0bea9db0cff60ead1686#file-broadcast-c-L259" rel="nofollow">https:&#x2F;&#x2F;gist.github.com&#x2F;nkurz&#x2F;0bea9db0cff60ead1686#file-broa...</a><p>It&#x27;s somewhat cumbersome to use since you need to recompile with special asm instructions delimiting the region of interest, but the extensive analysis it gives is amazing for extreme micro-optimization.