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Hands-On High Performance Programming with Qt 5

You're reading from   Hands-On High Performance Programming with Qt 5 Build cross-platform applications using concurrency, parallel programming, and memory management

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Product type Paperback
Published in Jan 2019
Publisher Packt
ISBN-13 9781789531244
Length 384 pages
Edition 1st Edition
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Author (1):
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Marek Krajewski Marek Krajewski
Author Profile Icon Marek Krajewski
Marek Krajewski
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Table of Contents (14) Chapters Close

Preface 1. Understanding Performant Programs 2. Profiling to Find Bottlenecks FREE CHAPTER 3. Deep Dive into C++ and Performance 4. Using Data Structures and Algorithms Efficiently 5. An In-Depth Guide to Concurrency and Multithreading 6. Performance Failures and How to Overcome Them 7. Understanding I/O Performance and Overcoming Related Problems 8. Optimizing Graphical Performance 9. Optimizing Network Performance 10. Qt Performance on Embedded and Mobile Platforms 11. Testing and Deploying Qt Applications 12. Assessments 13. Other Books You May Enjoy

Questions

Here are some questions so that you can test your understanding of the topics in this chapter. You'll find the responses at the end of this book, if you'd like to look them up:

  1. What is premature optimization?
  2. What did Donald Knuth really say about it?
  3. Why do we need performance optimization techniques?
  4. Which is the worst premature pessimization?
  5. Why is main memory slow?
  6. What is ILP, and what has it to do with thread synchronization?
  7. Is hyperthreading good or bad for performance?
  8. Why do we still use the likely/unlikely macros in the Linux kernel?
  9. Is a 64-bit program performance-wise better than a 32-bit program?
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