Today I binge watched the Advent of Compiler Optimisations by
@mattgodbolt which I wholeheartedly recommend, even just because you'll hardly find a nicer person being passionate about code optimisation taking so much time and energy to explain it to people.
https://www.youtube.com/watch?v=j-BwR-Cw0Gk&list=PL2HVqYf7If8cY4wLk7JUQ2f0JXY_xMQm2&index=1
(being an assembly dork I mostly could see through his setting up, but I still restrained myself and let him get to the punchline before feeling happy about it)
