If you're really interested in CPU's there's some interesting info in this article.
AMA is Ask Me Anything
http://www.reddit.com/r/IAmA/comments/15iaet/iama_cpu_architect_and_designer_at_intel_ama/
AMA is Ask Me Anything
http://www.reddit.com/r/IAmA/comments/15iaet/iama_cpu_architect_and_designer_at_intel_ama/