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ReCapture

ReCapture. A Pattern-aware B enchmark Tool for Smartphones. Motivation. How can we know the performance of Android OS, 3G/4G network, energy on the phone? Experiment (Benchmark) Data trace of metrics Analysis. Benchmark. PC Unlimited energy

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ReCapture

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  1. ReCapture A Pattern-aware Benchmark Tool for Smartphones

  2. Motivation • How can we know the performance of Android OS, 3G/4G network, energy on the phone? • Experiment (Benchmark) • Data trace of metrics • Analysis

  3. Benchmark • PC • Unlimited energy • Interested in performance under heavy tasks: super pi, matrix, primary test, etc. • SPEC • Smartphone • No heavy tasks, except graphics. • People use it daily, not for HPC. • Usage patterns matter. • SPEC does not reflect the true scenario.

  4. Benchmark • Solution #1: Write an app, run it on volunteers’ phone • Hire a volunteer: IRB approval, ethnic, legal issues. • Guarantee exact activity under different patterns. • How long? • What if people forget to run it? • How many phones do we need? • …

  5. Recapture • We already have some data set of how people use smartphones. • Rice University: Livelab data set. • App trace, web trace, phone status trace, etc. • Use existing data set as benchmark input. • Emulate smartphone usage on the physical phone. • Collect the data automatically. • WiFi, 3G/4G, CPU, memory, I/O.

  6. ReCapture facebook phone youtube sms App trace: CPU: Memory: Network:

  7. Benefits • For researchers • Experiment on mobile system performance. • Discover the relationship between mobile networks and phone usage. • For consumers • Choose the right phone for you by yourself. • No privacy issues.

  8. Timeline • 2 – 3 weeks: software architecture. • 4 – 5 weeks: development. • 1 – 2 weeks: testing and data analysis. • April 23 – 25: Demo.

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