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Parallel Programming and Concurrency with C# 10 and .NET 6

You're reading from  Parallel Programming and Concurrency with C# 10 and .NET 6

Product type Book
Published in Aug 2022
Publisher Packt
ISBN-13 9781803243672
Pages 320 pages
Edition 1st Edition
Languages
Author (1):
Alvin Ashcraft Alvin Ashcraft
Profile icon Alvin Ashcraft

Table of Contents (18) Chapters

Preface 1. Part 1:Introduction to Threading in .NET
2. Chapter 1: Managed Threading Concepts 3. Chapter 2: Evolution of Multithreaded Programming in .NET 4. Chapter 3: Best Practices for Managed Threading 5. Chapter 4: User Interface Responsiveness and Threading 6. Part 2: Parallel Programming and Concurrency with C#
7. Chapter 5: Asynchronous Programming with C# 8. Chapter 6: Parallel Programming Concepts 9. Chapter 7: Task Parallel Library (TPL) and Dataflow 10. Chapter 8: Parallel Data Structures and Parallel LINQ 11. Chapter 9: Working with Concurrent Collections in .NET 12. Part 3: Advanced Concurrency Concepts
13. Chapter 10: Debugging Multithreaded Applications with Visual Studio 14. Chapter 11: Canceling Asynchronous Work 15. Chapter 12: Unit Testing Async, Concurrent, and Parallel Code 16. Assessments 17. Other Books You May Enjoy

Relationships between parallel tasks

In the previous chapter, Chapter 5, we learned how to use async and await to perform work in parallel and manage the flow of tasks by using ContinueWith. In this section, we will examine some of the TPL features that can be leveraged to manage relationships between tasks running in parallel.

Let’s start by looking deeper into the Parallel.Invoke method provided by the TPL.

Under the covers of Parallel.Invoke

In Chapter 2, we learned how to use the Parallel.Invoke method to execute multiple tasks in parallel. We are going to revisit Parallel.Invoke now and discover what is happening under the covers. Consider using it to invoke two methods:

Parallel.Invoke(DoFirstAction, DoSectionAction);

This is what is happening behind the scenes:

List<Task> taskList = new();
taskList.Add(Task.Run(DoFirstAction));
taskList.Add(Task.Run(DoSectionAction));
Task.WaitAll(taskList.ToArray());

Two tasks will be created and queued...

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