Introduction to ART (Android Runtime)

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Iordanis (Jordan) Giannakakis

Slides to a lightning talk that introduces you to the new Anrdoid Runtime added in Kitkat.

Technologie Divertissement et humour

Introduction
to ART

Iordanis “Jordan” Giannakakis
@iordanis_g

Introduction
• Iordanis “Jordan” Giannakakis
• Android Team Lead – Shazam
• @iordanis_g

@iordanis_g

What is ART?

New runtime shipped
in hidden experimental mode

@iordanis_g

Sadly...
• Only benefits CPU-bound apps *
• Requires more storage space
– register machine instructions are longer

• Very little documentation
• Still under development

@iordanis_g

But also
•
•
•
•
•

FASTER!
Battery life
Better GC
Default runtime soon (maybe?)
Still under development

@iordanis_g

Everybody wins
(eventually)

@iordanis_g

Hiring...

Questions?
@iordanis_g
recruitment@shazam.com

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Introduction to ART (Android Runtime)

1. Introduction to ART Iordanis “Jordan” Giannakakis @iordanis_g

2. Introduction • Iordanis “Jordan” Giannakakis • Android Team Lead – Shazam • @iordanis_g @iordanis_g

3. What is ART? New runtime shipped in hidden experimental mode @iordanis_g

4. Dalvik vs ART • • • • • JIT vs AOT Real-time vs installation compilation Memory efficient vs ??? Profile-based vs everything Later vs immediate effect @iordanis_g

5. Sadly... • Only benefits CPU-bound apps * • Requires more storage space – register machine instructions are longer • Very little documentation • Still under development @iordanis_g

6. But also • • • • • FASTER! Battery life Better GC Default runtime soon (maybe?) Still under development @iordanis_g

7. Everybody wins (eventually) @iordanis_g

8. Demo time @iordanis_g

9. Hiring... Questions? @iordanis_g recruitment@shazam.com