Why does it take forever to compile in VS 2022, what can I do?
If compiling in Visual Studio 2022, 2019, 2017, etc. takes an unusually long time, there could be several reasons. Here are some steps you can try to speed up compilation times:
- CPU and memory
If the hardware is overloaded, compiling may take longer. Make sure you have enough memory and CPU capacity.
- Hard drive speed
A slow hard drive (especially HDDs) can affect the compilation speed. An SSD is much faster here.
2.) Parallelize compilation
- Under Tools > Options > Projects and Solutions > Build and Run you can set the number of projects to compile simultaneously. This can help reduce compilation times, especially on multicore CPUs.
3.) Checking code issues
- Large or complex projects
Very large code bases or inefficient dependencies can slow down compilation. Optimizing the code, e.g. by reducing dependencies or simplifying functions, could help.
4.) Clipboard and build cache
- Manually delete the project's Obj and Bin folders to make sure there are no old build files slowing down compilation.
- Clean Build
Occasionally perform a "clean" to remove old files and start a fresh build process.
5.) Using FastBuild or Incredibuild
- FastBuild or Incredibuild are build tools that can parallelize compilation and distribute it across multiple cores and even multiple machines on the network. This speeds up compilation enormously.
6.) Reduce unnecessary projects in solution build
- If not all projects in the solution are needed in every build, you can compile only the projects that have changed to save time.
7.) Optimize Visual Studio settings
- IntelliSense and CodeLens
These features can slow down large projects. You can temporarily disable them under Tools > Options . - Precompiled Headers Use precompiled headers to reduce compilation time for projects with many header files.
8.) Check background processes and extensions
- Check if there are any processes running in the background that consume resources (e.g. virus scanners, Windows updates, backups) and close unnecessary applications.
- Disable unnecessary extensions in Visual Studio that might consume resources.
These steps should help reduce compile times in Visual Studio 2022, 2019, 2017, etc.
(Image-1) Compiling and starting in Visual Studio 2022, 2017 is very slow!
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