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Delphi High Performance

You're reading from   Delphi High Performance Master the art of concurrency, parallel programming, and memory management to build fast Delphi apps

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Product type Paperback
Published in Jun 2023
Publisher Packt
ISBN-13 9781805125877
Length 452 pages
Edition 2nd Edition
Languages
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Author (1):
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Primož Gabrijelčič Primož Gabrijelčič
Author Profile Icon Primož Gabrijelčič
Primož Gabrijelčič
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Toc

Table of Contents (15) Chapters Close

Preface 1. Chapter 1: About Performance 2. Chapter 2: Profiling the Code FREE CHAPTER 3. Chapter 3: Fixing the Algorithm 4. Chapter 4: Don’t Reinvent, Reuse 5. Chapter 5: Fine-Tuning the Code 6. Chapter 6: Memory Management 7. Chapter 7: Getting Started with the Parallel World 8. Chapter 8: Working with Parallel Tools 9. Chapter 9: Exploring Parallel Practices 10. Chapter 10: More Parallel Patterns 11. Chapter 11: Using External Libraries 12. Chapter 12: Best Practices 13. Index 14. Other Books You May Enjoy

Delphi compiler settings

First things first – before you start meddling with the code, you should check the Delphi compiler settings for your project. In some situations, they can affect code speed quite a lot.

To check and possibly change compiler settings, open your project, and then select Project | Options from the menu or press Ctrl + Shift + F11. Relevant options can be found in Building | Delphi Compiler | Compiling, as shown in the following screenshot:

Figure 5.1 – Compiler settings that influence program speed

Figure 5.1 – Compiler settings that influence program speed

We will look at the following options:

  • Code inlining control
  • Optimization
  • Record field alignment
  • Assertions
  • Overflow checking
  • Range checking

All of these settings can be enabled/disabled for an entire project, and they can also be turned on/off in the code by using compiler directives (comments that start with {$).

Code inlining control

We will look into the concept of code inlining...

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