They are meant to make the code run faster. If your code needs optimization, going for higher level languages is seldom a good idea. You could try do low leve

They are meant to make the code run faster. If your code needs optimization, going for higher level languages is seldom a good idea. You could try do low level optimizations in your C or assembly, but for most programs this will eventually backfire. So letting the compiler do its job is actually a good thing.