> even more importantly, by not doing optimizations in the compiler, compilation times can be much faster, easily 100-1000x than state of the art optimizing compiler, while generating equivalent or even better runtime performance

As Kent Dybvig (of Chez Scheme fame) said, "As I tell my compiler students now, there is a fine line between "optimization" and "not being stupid". There is a lot of small, simple tweaks that don't take all that much time during the compilation yet drastically improve the produced code.