Precognition, mind-reading, and solving the halting problem are indeed beyond modern compilers - but thankfully, some clever people have given us other options

Precognition, mind-reading, and solving the halting problem are indeed beyond modern compilers - but thankfully, some clever people have given us other options for achieving the goals you describe: https://en.wikipedia.org/wiki/Profile-guided_optimization https://en.wikipedia.org/wiki/Profile-guided_optimization https://en.wikipedia.org/wiki/Just-in-time_compilation https://en.wikipedia.org/wiki/Just-in-time_compilation https://en.wikipedia.org/wiki/Partial_evaluation#Futamura_projections https://en.wikipedia.org/wiki/Partial_evaluation#Futamura_pr...