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Software Architecture with C++

You're reading from   Software Architecture with C++ Design modern systems using effective architecture concepts, design patterns, and techniques with C++20

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Product type Paperback
Published in Apr 2021
Publisher Packt
ISBN-13 9781838554590
Length 540 pages
Edition 1st Edition
Languages
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Authors (2):
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Adrian Ostrowski Adrian Ostrowski
Author Profile Icon Adrian Ostrowski
Adrian Ostrowski
Piotr Gaczkowski Piotr Gaczkowski
Author Profile Icon Piotr Gaczkowski
Piotr Gaczkowski
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Table of Contents (24) Chapters Close

Preface 1. Section 1: Concepts and Components of Software Architecture
2. Importance of Software Architecture and Principles of Great Design FREE CHAPTER 3. Architectural Styles 4. Functional and Nonfunctional Requirements 5. Section 2: The Design and Development of C++ Software
6. Architectural and System Design 7. Leveraging C++ Language Features 8. Design Patterns and C++ 9. Building and Packaging 10. Section 3: Architectural Quality Attributes
11. Writing Testable Code 12. Continuous Integration and Continuous Deployment 13. Security in Code and Deployment 14. Performance 15. Section 4: Cloud-Native Design Principles
16. Service-Oriented Architecture 17. Designing Microservices 18. Containers 19. Cloud-Native Design 20. Assessments 21. About Packt 22. Other Books You May Enjoy Appendix A

Winking out memory

Sometimes not having to deallocate the memory, as the monotonic buffer resource does, is still not enough for performance. A special technique called winking out can help here. Winking out objects means that they're not only not deallocated one by one, but their constructors aren't called too. The objects simply evaporate, saving time that would normally be spent calling destructors for each object and their members (and their members...) in the arena.

NOTE: This is an advanced topic. Be careful when using this technique, and only use it if the possible gain is worth it.

This technique can save your precious CPU cycles, but it's not always possible to use it. Avoid winking out memory if your objects handle resources other than memory. Otherwise, you will get resource leaks. The same goes if you depend on any side effects the destructors of your objects would have.

Let's now see winking out in action:

  auto verbose = verbose_resource(std...
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