Java 9 High Performance

Optimizing Code with Microbenchmarking

Java 9 is the latest development kit of the famous development platform. This new version from Oracle contains a lot of powerful updates. One of the perks is the ability to perform better microbenchmarking, which has additional benefits over the previous versions.

This chapter discusses the concept of microbenchmarking. It then describes its benefits and its presence in Java. This is followed up with a detailed discussion of the Java Microbenchmark Harness (JMH) toolkit. This excellent solution provides the Java community with everything that they need to improve their microbenchmarking in the new, Java Development Kit 9.

The points we will be exploring are as follows:

• Understanding the concept of microbenchmarking ...