This gives you somewhat of an idea of what that highly optimized assembly is doing https://ocw.mit.edu/courses/electrical-engineering-and-computer-science/6-172

This gives you somewhat of an idea of what that highly optimized assembly is doing https://ocw.mit.edu/courses/electrical-engineering-and-computer-science/6-172-performance-engineering-of-software-systems-fall-2018/ https://ocw.mit.edu/courses/electrical-engineering-and-compu... and the lectures are recorded.