Android Runtime (ART) Feature

Ahead-of-time compilation

• At install time, ART compiles apps using the on-device dex2oat tool.

              Instead of being JIT, AOT compiles application code (byte) and generates native code in ELF File. Subsequent execution happens from compiled native code (that is ELF)
ELF - Executable and Linkable Format.

Improved garbage collection

• One GC pause instead of two