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DOs and DON'Ts of conducting performance measurements in Java

Abstract:

The tutorial aims at practitioners { researchers or develop- ers { who need to execute small scale performance experi- ments in Java. The goal is to provide the attendees with a compact overview of some of the issues that can hinder the experiment or mislead the evaluation, and discuss the methods and tools that can help avoid such issues. The tutorial will examine multiple elements of the software ex- ecution stack that impact performance, including common virtual machine mechanisms (just-in-time compilation and garbage collection together with associated runtime adapta- tion), some operating system features (timers) and hardware (memory) { although the focus will be on Java, some of the take away points should apply even in a more general per- formance experiment context.