kotlin-gradle-plugin 1.6.0 build slow

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When I upgraded the kotlin version from 1.5.30 to 1.6.0, the task of the compilekotlindebug task and kapt was time-consuming, and it was only three minutes away. I get the builid log by using --info. This part gets called thousands of time and take about 3 mins, while 1.5.30 do not have this problem.

file or directory 'F:\ProjectSample\android\sdk\build-types\debug\java', not found
file or directory 'F:\ProjectSample\android\sdk\build\generated\renderscript_source_output_dir\debug\out', not found
file or directory 'F:\ProjectSample\android\sdk\src\debug\kotlin', not found
file or directory 'F:\ProjectSample\android\sdk\src\debug\kotlin', not found
file or directory 'F:\ProjectSample\android\sdk\src\debug\java', not found
file or directory 'F:\ProjectSample\android\sdk\build-types\debug\java', not found
file or directory 'F:\ProjectSample\android\sdk\src\main\kotlin', not found
file or directory 'F:\ProjectSample\android\sdk\src\main\kotlin', not found
file or directory 'F:\ProjectSample\android\sdk\build-types\debug\java', not found
file or directory 'F:\ProjectSample\android\sdk\build\generated\renderscript_source_output_dir\debug\out', not found
file or directory 'F:\ProjectSample\android\sdk\build-types\debug\java', not found
file or directory 'F:\ProjectSample\android\sdk\build\generated\renderscript_source_output_dir\debug\out', not found
file or directory 'F:\ProjectSample\android\sdk\src\debug\kotlin', not found
file or directory 'F:\ProjectSample\android\sdk\src\debug\kotlin', not found
file or directory 'F:\ProjectSample\android\sdk\src\debug\java', not found
file or directory 'F:\ProjectSample\android\sdk\build-types\debug\java', not found
file or directory 'F:\ProjectSample\android\sdk\src\main\kotlin', not found
file or directory 'F:\ProjectSample\android\sdk\src\main\kotlin', not found
file or directory 'F:\ProjectSample\android\sdk\build-types\debug\java', not found
file or directory 'F:\ProjectSample\android\sdk\build\generated\renderscript_source_output_dir\debug\out', not found
file or directory 'F:\ProjectSample\android\sdk\build-types\debug\java', not found
file or directory 'F:\ProjectSample\android\sdk\build\generated\renderscript_source_output_dir\debug\out', not found
file or directory 'F:\ProjectSample\android\sdk\src\debug\kotlin', not found
file or directory 'F:\ProjectSample\android\sdk\src\debug\kotlin', not found
file or directory 'F:\ProjectSample\android\sdk\src\debug\java', not found
file or directory 'F:\ProjectSample\android\sdk\build-types\debug\java', not found
file or directory 'F:\ProjectSample\android\sdk\src\main\kotlin', not found
file or directory 'F:\ProjectSample\android\sdk\src\main\kotlin', not found
file or directory 'F:\ProjectSample\android\sdk\build-types\debug\java', not found
file or directory 'F:\ProjectSample\android\sdk\build\generated\renderscript_source_output_dir\debug\out', not found
kotlin gradle
1 Answers

There is a known regression in compilation speed for Android projects introduced in Kotlin 1.6.0, see KT-49910. Maybe that's what you're affected by?

There also is a workaround provided in the above issue, namely:

buildscript {
  dependencies {
    // Must go before the real KGP plugin!
    classpath("dev.zacsweers:kgp-160-patcher:1.0.0")
  }
}

This will be fixed in the upcoming release 1.6.10.

user_31600890
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