Yep, that does look like the same concept, but only at the application level. Do you think there could be any real-world advantages to doing this at the OS lev

Yep, that does look like the same concept, but only at the application level. Do you think there could be any real-world advantages to doing this at the OS level? On paper it would sound good to me, as it could do this optimization across any application running on the machine.