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Votes
1
Found in
2020.3
2020.3.18f1
2021.2
2022.1
Issue ID
1365046
Regression
No
Packages keeps getting recompiled when editor is recompiling code from the assets folder.
Reproduction steps:
1. Open user-submitted project "Recompilation Test"
2. Create a new C# Script in the Assets folder
3. Inspect the Logged Compilation time in the Console
4. Navigate to Window -> Package Manager
5. Enable all Built-in packages
6. Create a new C# Script in the Assets folder
7. Inspect the Logged Compilation time in the Console
Expected result: The compilation time before and after adding packages were the same
Actual result: Compilation time was higher after enabling built-in packages
Reproducible with: 2020.3.24f1, 2021.2.6f1, 2022.1.0b2
Could not test with: 2019.4.33f1 (Compilation errors)
Note: Such increase in script compilation time is not seen in Editor Iteration Profiler
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Resolution Note:
The way the timings are done here is including domain reload timings.
Domain reload timings are dependent on what code that is loaded into the domain, some code in a package can have some initialization code that will increase the domain reload time.
To get a picture of what is happening its possible to profile the code, using the Unity Profiler, or the Editor Iteration Profiler.
Alternatively there's even https://docs.unity3d.com/ScriptReference/Compilation.CompilationPipeline.html that can be used with a StopWatch to get timings.