There are additional optimizations like using C's printf without any extra arguments, the compiler will replace that with a call to puts, which doesn't have the

There are additional optimizations like using C's printf without any extra arguments, the compiler will replace that with a call to puts, which doesn't have the formatting code. You can see this in Compiler Explorer. https://godbolt.org/z/dvdzE4M6T https://godbolt.org/z/dvdzE4M6T