This appears to be incorrect. I have seen a cppcon talk about that. I think it may have been this one: https://www.youtube.com/watch?v=rHIkrotSwcc https://www.y

This appears to be incorrect. I have seen a cppcon talk about that. I think it may have been this one: https://www.youtube.com/watch?v=rHIkrotSwcc https://www.youtube.com/watch?v=rHIkrotSwcc . On the other hand, it is a very, very tiny minority of programmers who have to care about an overhead as low as this. Most of us should not waste one microsecond of our thinking time on this.