what is Android Studio Instant Run?

Question

Today I have updated my Android Studio and run the app which existing with previous version.When I was running the app with previous version app launching very fast but when

Answer 1

Instant Run = Incremental build + Hot, Warm, or Cold swap

Without Instant run :

With instant run :

Source : https://medium.com/google-developers/instant-run-how-does-it-work-294a1633367f