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C++ High Performance. - Second Edition

You're reading from C++ High Performance. - Second Edition

Product type Book

Published in Dec 2020

Publisher Packt

ISBN-13 9781839216541

Pages 544 pages

Edition 2nd Edition

Languages

Concepts

High Performance Programming

Authors (2):

Björn Andrist

Viktor Sehr

View More author details

Table of Contents (17) Chapters

Preface

1. A Brief Introduction to C++

2. Essential C++ Techniques

3. Analyzing and Measuring Performance

4. Data Structures

5. Algorithms

6. Ranges and Views

7. Memory Management

8. Compile-Time Programming

9. Essential Utilities

10. Proxy Objects and Lazy Evaluation

11. Concurrency

12. Coroutines and Lazy Generators

13. Asynchronous Programming with Coroutines

14. Parallel Algorithms

15. Other Books You May Enjoy

16. Index

Understanding the basics of concurrency

A concurrent program can execute multiple tasks at the same time. Concurrent programming is, in general, a lot harder than sequential programming, but there are several reasons why a program may benefit from being concurrent:

Efficiency: The smartphones and desktop computers of today have multiple CPU cores that can execute multiple tasks in parallel. If you manage to split a big task into subtasks that can be run in parallel, it is theoretically possible to divide the running time of the big task by the number of CPU cores. For programs that run on machines with one single core, there can still be a gain in performance if a task is I/O bound. While one subtask is waiting for I/O, other subtasks can still perform useful work on the CPU.
Responsiveness and low latency contexts: For applications with a graphical user interface, it is important to never block the UI so that the application becomes unresponsive. To prevent unresponsiveness...

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Authors (2)

Björn Andrist

Björn Andrist is a freelance software consultant currently focusing on audio applications. For more than 15 years, he has been working professionally with C++ in projects ranging from UNIX server applications to real-time audio applications on desktop and mobile. In the past, he has also taught courses in algorithms and data structures, concurrent programming, and programming methodologies. Björn holds a BS in computer engineering and an MS in computer science from KTH Royal Institute of Technology.

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Viktor Sehr

Viktor Sehr is the founder and main developer of the small game studio Toppluva AB. At Toppluva he develops a custom graphics engine which powers the open-world skiing game Grand Mountain Adventure. He has 13 years of professional experience using C++, with real-time graphics, audio, and architectural design as his focus areas. Through his career, he has developed medical visualization software at Mentice and Raysearch Laboratories as well as real-time audio applications at Propellerhead Software. Viktor holds an M.S. in media science from Linköping University.

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