I'm a Java programmer who has tried and failed to do some optimizations this year following your general guidelines. I'm extremely happy to finally see a piece

I'm a Java programmer who has tried and failed to do some optimizations this year following your general guidelines. I'm extremely happy to finally see a piece of writing that expands my mental model of what is actually happening on the JVM. If we just keep repeating the same general truisms about measurement and inlining, then nobody will ever advance beyond my own low level of understanding.