July 2022
Beginner
748 pages
15h 1m
English
Content preview from Learn Java 17 Programming - Second Edition
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Chapter 16: Java Microbenchmark Harness
In this chapter, you will learn about a Java Microbenchmark Harness (JMH) project that allows measuring various code performance characteristics. If performance is an important issue for your application, this tool can help you to identify bottlenecks with precision—up to the method level.
In addition to theoretical knowledge, you will have a chance to run JMH using practical demo examples and recommendations.
The following topics will be covered in this chapter:
- What is JMH?
- Creating a JMH benchmark
- Running the benchmark
- Using the IDE plugin
- JMH benchmark parameters
- JMH usage examples
By the end of the chapter, you will be able to not only measure the average execution time of an application and other ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.