How to speed up Android Studio compilation process

Question

Latest update: Check out Android Studio 2.0 (preview) Instant Run it is awesome!!!!

I have found some tips (Building and running app

Answer 1

Check out Android Studio 2.0 PREVIEW! Much faster!

Supports Instant Run, provide faster emulators and is based on IntelliJ IDEA 15.

http://android-developers.blogspot.nl/2015/11/android-studio-20-preview.html