JVM Mechanics - Silicon Valley JUG 2015

Azul Virtual Machine Engineer Douglas Hawkins describes the inner workings of the Java Virtual Machine (JVM). HotSpot promises to do wonders for us by Just-in-Time (JIT) compiling the "right" code for us, but how does it makes those decisions? And, perhaps more importantly, what happens when it's wrong? In this talk, you’ll learn through real code examples just how the JVM decides to compile your code, deoptimize your code, and stop-the-world for a GC