How to use Parallel.For and Parallel.ForEach in C#

Parallelism is the ability to have parallel execution of tasks on systems that have multiple cores. Support for parallel programming in .NET was introduced in .NET Framework 4. Parallel programming in .NET allows us to use system resources more efficiently and with better programmatic control. This article talks about how we can work with parallelism in .NET Core applications.

To work with the code examples provided in this article, you should have Visual Studio 2019 installed in your system. If you don’t already have a copy, you can download Visual Studio 2019 here.

[ Also on InfoWorld: Introducing Microsoft .NET 6 ]

Create a .NET Core console application project in Visual Studio

First off, let’s create a .NET Core console application project in Visual Studio. Assuming Visual Studio 2019 is installed in your system, follow the steps outlined below to create a new .NET Core console application project in Visual Studio.

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