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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
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Author (1):
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Shantanu Kumar Shantanu Kumar
Author Profile Icon Shantanu Kumar
Shantanu Kumar
Shantanu Kumar is a software developer living in Bengaluru, India. He works with Concur Technologies as a principal engineer, building a next-generation stack in Clojure. He started learning computer programming when he was at school, and has dabbled in several programming languages and software technologies. Having used Java for a long time, he discovered Clojure in early 2009 and has been a fan of it ever since. When not busy with programming or reading up on technical stuff, he enjoys reading non-fiction and cycling around Bengaluru. Shantanu is an active participant in The Bangalore Clojure Users Group, and contributes to several open source Clojure projects on GitHub. He is also the author of the first edition of the book Clojure High Performance Programming, Packt Publishing.
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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

Project setup

While finding bottlenecks is essential to fixing performance problems in the code, there are several things one can do right from the start to ensure better performance.

Software versions

Usually, new software versions include bug fixes, new features, and performance improvements. Unless advised to the contrary, it is better to use newer versions. For development with Clojure, consider the following software versions:

  • JVM version: As of this writing, Java 8 (Oracle JDK, OpenJDK, Zulu) has been released as the latest stable production-ready version. It is not only stable, it also has better performance in several areas (especially concurrency) than the earlier versions. If you have a choice, choose Java 8 over the older versions of Java.

  • Clojure version: As of this writing, Clojure 1.7.0 is the latest stable version that has several performance improvements over the older versions. There are also new features (transducers, volatile) that can make your code perform better. Choose...

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Authors (1)

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Kumar
Ashish Kumar is a seasoned data science professional, a publisher author and a thought leader in the field of data science and machine learning. An IIT Madras graduate and a Young India Fellow, he has around 7 years of experience in implementing and deploying data science and machine learning solutions for challenging industry problems in both hands-on and leadership roles. Natural Language Procession, IoT Analytics, R Shiny product development, Ensemble ML methods etc. are his core areas of expertise. He is fluent in Python and R and teaches a popular ML course at Simplilearn. When not crunching data, Ashish sneaks off to the next hip beach around and enjoys the company of his Kindle. He also trains and mentors data science aspirants and fledgling start-ups.
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