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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

Challenges in embedded and mobile development

Embedded and mobile devices are just computers, only with less memory, less CPU/GPU power, and, in the case of mobile devices, finite power supply, and sometimes problematic network performance. As on a desktop computer, we usually don't have to think about such constraints in embedded development; they are a part of the game.

Specifically, power constraints give rise to the usage of CPUs that are different than those found in desktops. Currently, the most commonly used CPUs come from the ARM's Cortex line, which follows the reduced instruction set (RISC) processor architecture design, resulting in simple instructions, less transistors, and lower power usage.

Besides power constraints, embedded and mobile devices come with size and price limitations, resulting in less-performant hardware. The hardware is customarily bundled...

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