Lots of good stuff there. Caches(including i-cache and d-cache), volatile(and how it gets mis-construed), pointer-aliasing, float to int overhead, alloca. I don

Lots of good stuff there. Caches(including i-cache and d-cache), volatile(and how it gets mis-construed), pointer-aliasing, float to int overhead, alloca. I don't think I've seen so much good performance stuff in a single place.