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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:

  1. What does this mean: Apitrace preloads an instrumented implementation of OpenGL? Explain.
  2. Isn't there a way to use the gprof after all?
  3. How would you look for a lock convoy or a waiting chain causing your UI to stutter or, even worse, to freeze?
  4. What is the difference between CPU Usage (Precise) and CPU Usage (Sampled) in ETW traces?
  1. How would you find timers running amok or QML items accumulating video memory?
  2. What can you do when your favorite open source performance is not supported by Qt Creator?
  3. What is that thread and lock analysis feature some of the tools seem to have?
  4. If you try to launch the example program directly or from an external CPU profiler, this won't work. Why not? How do you fix it?
  5. If we don't use any custom ETW events in our program...
You have been reading a chapter from
Hands-On High Performance Programming with Qt 5
Published in: Jan 2019
Publisher: Packt
ISBN-13: 9781789531244
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