> The incremental-JIT approach (LuaJIT) has less information to work with, and it's not aware which parts of the program are bottlenecks, so it can't intelligently decide which parts parts need optimization most.

You are probably thinking of LuaJIT 1.x; The recent LuaJIT 2 is tracing JIT, and it beats to hell out of every other dynamic language compiler, bar none.

Mike Pall for president!