Energy-Aware Adaptation for Mobile Applications

Motivation

Outline

Goal-Directed Adaptation

Odyssey

Predicting Future Energy Demand

Determining Energy Supply

Triggering Adaptation

Evaluating Goal-Directed Adaptation

Energy Supply & Demand

Time Goal: 20 Minutes

Energy Supply & Demand

Time Goal: 26 Minutes

It Works!

Outline

PowerScope: Profiling Energy Use

Identifying Effective Tradeoffs

Application: Video Player

Impact of Fidelity on Video Player

Application: Speech Recognition

Impact of Fidelity on Speech Recognition

Summary: Impact of Fidelity

Zoned Backlighting

Future Work

Related Work

Conclusion