.NET Core 2 Build Performance Improvements

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A major focus of .NET Core 2.1 is improving build-time performance, particularly for incremental builds. These performance improvements apply to both command-line builds using dotnet build and to builds in Visual Studio.

Some individual areas of improvement include:

  • For package asset resolution, resolving only assets used by a build rather than all assets.
  • Caching of assembly references.
  • Use of long-running SDK build servers, which are processes that span across individual dotnet build invocations.
  • They eliminate the need to JIT-compile large blocks of code every time dotnet build is run.

Build server processes can be automatically terminated with the following command:

dotnet buildserver shutdown

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