Choose a C binary according to the enviroment

Question

I have compiled my code with specific flags (-Os, -O2, -march=native and their combinations) in order to produce a faster execution time.

But my problem is that I d

Answer 1

Is there a reason you can't just recompile your source code on each machine? Compilers are already written and optimized exactly for this kind of stuff. Simply recompile your source code on that machine architecture and you'll have a binary that runs just fine on that machine.