Experiences with Javatm JIT optimization

This paper presents some experiences with a Java just-in-time (JIT) compiler developed at Intel Corporation. For a few optimizations, the issues that are specific to Java programs are discussed. Furthermore, because in the context of a just-intime compilation, compile-time directly contributes to the run-time of the application, some remarks are made on how program analysis time is kept limited in our compiler. A preliminary experiment explores the impact of the presented optimizations.