Does using

internal

in my gradle modules classes makes the project compilation time smaller or improves the IDE memory/processor usage? If so, Is there any docs/articles about this?

I know nothing about any compiler internals or w/e. But I would imagine that if it makes a difference it wouldn't be noticable unless you've got a lot of classes/modules

For now I don't think that it somehow improving build time, but may be in future will do, when Kotlin compiler/Kotlin Gradle plugin will have compilation avoidance feature