I think it's a good analogy because it's saying that nontrivial optimizations happen below the code layer. In early CPUs, nothing was optimized. They just exe

I think it's a good analogy because it's saying that nontrivial optimizations happen below the code layer. In early CPUs, nothing was optimized. They just executed your instructions. Now there are nontrivial optimizations and rewriting, just like the JVM.