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Clojure High Performance Programming, Second Edition

You're reading from   Clojure High Performance Programming, Second Edition Become an expert at writing fast and high performant code in Clojure 1.7.0

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Product type Paperback
Published in Sep 2015
Publisher
ISBN-13 9781785283642
Length 198 pages
Edition 2nd Edition
Languages
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Author (1):
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Shantanu Kumar Shantanu Kumar
Author Profile Icon Shantanu Kumar
Shantanu Kumar
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Table of Contents (10) Chapters Close

Preface 1. Performance by Design FREE CHAPTER 2. Clojure Abstractions 3. Leaning on Java 4. Host Performance 5. Concurrency 6. Measuring Performance 7. Performance Optimization 8. Application Performance Index

Chapter 7. Performance Optimization

Performance optimization is additive by nature, as in it works by adding performance tuning to the knowledge of how the underlying system works, and to the result of performance measurement. This chapter builds on the previous ones that covered "how the underlying system works" and "performance measurement". Though you will notice some recipe-like sections in this chapter, you already know the pre-requisite in order to exploit those well. Performance tuning is an iterative process of measuring performance, determining bottlenecks, applying knowledge in order to experiment with tuning the code, and repeating it all until performance improves. In this chapter, we will cover:

  • Setting up projects for better performance
  • Identifying performance bottlenecks in the code
  • Profiling code with VisualVM
  • Performance tuning of Clojure code
  • JVM performance tuning
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