Tiered Compilation Preview in .NET Core 2.1

John Powell

If you are a fan of .NET performance there has been a lot great news lately such as Performance Improvements in .NET Core 2.1 and Announcing .NET Core 2.1, but we’ve got more. Tiered compilation is a significant new performance feature that we are making available as a preview for anyone to try out, starting in .NET Core 2.1. In many scenarios that we have tested, applications start faster and run faster at steady state. All it needs from you is a smidgen of curiosity, a project that runs on .NET Core 2.1, and a trivial change to your environment variables or project file to enable it. In the rest of this post we’ll cover what it is, how you use it, and why it is the hidden gem of the 2.1 release!

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