To be far you can get speed ups like this going from very a very cache unfriendly instruction stream to a very cache aligned one or my changing your instruction

To be far you can get speed ups like this going from very a very cache unfriendly instruction stream to a very cache aligned one or my changing your instruction mix while maintaining a similar number of total operations ; so this statement is not as "Captain Obvious" as it looks at first glance. Of course, not running extra instructions is better :)