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Java 9 High Performance

You're reading from   Java 9 High Performance Practical techniques and best practices for optimizing Java applications through concurrency, reactive programming, and more

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Product type Paperback
Published in Nov 2017
Publisher Packt
ISBN-13 9781787120785
Length 398 pages
Edition 1st Edition
Languages
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Authors (2):
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Nick Samoylov Nick Samoylov
Author Profile Icon Nick Samoylov
Nick Samoylov
Mayur Ramgir Mayur Ramgir
Author Profile Icon Mayur Ramgir
Mayur Ramgir
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Toc

Table of Contents (11) Chapters Close

1. Learning Java 9 Underlying Performance Improvements 2. Identifying Performance Bottlenecks FREE CHAPTER 3. Learning How to Troubleshoot Code 4. Learning How to Use Profiling Tools 5. Understanding Garbage Collection and Making Use of It 6. Optimizing Code with Microbenchmarking 7. Speeding Up JSON Generation 8. Tools for Higher Productivity and Faster Application 9. Multithreading and Reactive Programming 10. Microservices 11. Making Use of New APIs to Improve Your Code

Why use microbenchmarking?

There is always a question as to when is the right time to use a microbenchmarking experiment. This practice is rarely used. However, with Java 9 providing the JMH option without the need for installing other tools, it becomes an excellent and efficiently-available tool.

The debate about the rightful use of microbenchmarking stems from the fact that optimizing a code before it is actually completed and used for a particular task takes away its impact in a commercial environment.

If you keep testing every bit of code that you write as a programmer, then the whole process becomes extremely slow and difficult to follow in a dedicated and shortened timeline. Most programmers believe that the attempt to optimize code without finishing functionality results in a poorly developed situation.

Microbenchmarking continues to be a great tool, when it is used in...

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