Your right, maybe we should read 1000 blog posts instead :-b Seriously, I should have been more specific. If you take a comp. arch. class, then you get the gen

Your right, maybe we should read 1000 blog posts instead :-b Seriously, I should have been more specific. If you take a comp. arch. class, then you get the generalization. After that, you can just read the relevant part of a manual. Not all code written in the past ignored the hierarchy. The linux kernel itself had many tunings for this.