A Case Study in Energy Reduction
Description: 16-Dec-99: Evaluating Goal-Directed Adaptation

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Evaluating Goal-Directed Adaptation
Client: 233 MHz Pentium laptop.
Servers: 200 MHz Pentium Pro desktops.
Network: 2 MB/s campus wireless WaveLAN.
Multiple energy-aware applications run concurrently:
• Speech recognizer.
• Video player.
• Map viewer.
• Web browser.
Emulate 12 KJ. energy supply (14% of laptop battery).
• Lasts 19:27 at maximum fidelity, 27:06 at minimum.
• Specify time goals of 20, 22, 24, and 26 minutes.