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CSE 598/494 Class 20

CSE 598/494 Class 20. Announcements. Graded midterms handed out Assignment 3 coming up due Nov 14 th After class collect the hardware platforms Phase 2 reports due Nov 16 th Take home midterm 2 posting date Nov 21 st return date Nov 28 th Final presentations start Nov 28 th

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CSE 598/494 Class 20

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  1. CSE 598/494 Class 20

  2. Announcements • Graded midterms handed out • Assignment 3 coming up due Nov 14 th • After class collect the hardware platforms • Phase 2 reports due Nov 16 th • Take home midterm 2 posting date Nov 21 st return date Nov 28 th • Final presentations start Nov 28 th • Schedule TBD

  3. Agenda Assignment 3 discussion Data management continued

  4. Assignment 3 • Energy profiling of mobile computing platforms • Aim – • Consider the three hardware manifestation of base station • Smart phones (Nexus One) • Low power hybrid models (Atom based Tunnel Creek) • Desktop machine • Power profiling for all the different types of base stations

  5. Computational Workload - BSNBench • BSN applications, some basic tasks are common. • Type of benchmark:Microbenchmark • Composition: • Data Operations (Statistics, Differential Encoding) • Signal Processing (FFT, Peak detection) • Radio Communication (Duty-cycled handshake) • Sensor Interface (Sensed Data Query) • Implemented in TinyOS 2.0 and C

  6. Full BSNBench suite

  7. Platforms chosen Personal Laptops Intel Atom based TunnelCreek Platform Nexus One Phones

  8. Assignment Tasks - Coding • Compile and execute the BSNBench tasks in your laptop • Can choose mulitple laptops • The more the variety of processors the better • Compile and execute the BSNBench tasks in the TunnelCreek platform • Convert the C code for BSNBench to an Android app • Run the BSNBench in Google Nexus One phones

  9. Assignment Tasks - Hardware Power Meter Intel Atom N270 on Mobile Intel Chipset 945 GSE AC Mains • Power measurement from different platforms • For laptops and tunnel creek platforms use a watt meter • For Nexus One Phones • Use an ammeter in series with the battery • Measure the power difference

  10. Submission Code used for BSNBench in Android Written report with power and energy consumption results on the different platforms

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