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Improving battery life and energy efficiency

HW-149P. Improving battery life and energy efficiency. Charu Agrawal Program Manager Microsoft Corporation. Agenda. Overview of Energy Efficiency Assessment Demo of Energy Efficiency Assessment Energy Efficiency Results You’ll leave with examples of how to

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Improving battery life and energy efficiency

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  1. HW-149P Improving battery life and energy efficiency Charu Agrawal Program Manager Microsoft Corporation

  2. Agenda • Overview of Energy Efficiency Assessment • Demo of Energy Efficiency Assessment • Energy Efficiency Results You’ll leave with examples of how to • Measure battery life using Energy Efficiency Assessment • Identify Energy Efficiency issues to improve battery life

  3. “Measure, analyze and improve Energy Efficiency/Battery Life of your system”

  4. Battery Life Measurement is difficult • Lack of diagnostic capabilities • Destructive nature of tool sets • Lack of flexibility

  5. Highlights of Energy Efficiency Assessment • Non destructive test • Flexible and customizable • Wide range of data [Ranging from duration to CPU/Disk metrics ] • Idle energy efficiency issues

  6. Value Proposition • OEM/Developer/End user • Consistent and yet flexible way to understand, improve, and compare Energy Efficiency • App Developer • Measure the impact of various applications on the Energy Efficiency

  7. Impact • End users making well informed decisions • OEMs configuring system for better battery life • Developers improving applications and drivers for better power consumption

  8. Assessment Workflow

  9. Assessment Configuration Idle Streaming Media File Handling • Select workloads • Select the execution mode • Define start and end condition Photo Handling

  10. Assessment Execution • Verifies the pre requisite conditions • Prepares for Energy Efficiency test • Execute the workloads, until the specified • battery end condition is met

  11. Results • Key metrics on battery consumption and diagnostics • Issues causing poor energy efficiency during idle • WPA analysis capability • Ability to compare different results; Across same or different machines

  12. Dos & Don’t Close all the open applications Do not start any other applications or jobs Do not interact with the machine once the assessment starts

  13. demo Energy Efficiency Assessment entry point Assessment Configuration Assessment Results

  14. For more information RELATED SESSIONS • HW-147T Building high quality Windows PCs using the assessment and deployment kit • HW-148P Scaling and extending Windows assessments to improve system quality: Parts 1 and 2 • HW-915P Introduction to assessments • HW-59T Improving performance with the Windows Performance Toolkit • HW-61H Experiencing the assessment tools in windows 8 • HW-916P Introduction to the Boot Performance Assessment • HW-920P Introduction to the streaming assessment

  15. thank you Feedback and questions http://forums.dev.windows.com Session feedbackhttp://bldw.in/SessionFeedback

  16. © 2011 Microsoft Corporation. All rights reserved. Microsoft, Windows, Windows Vista and other product names are or may be registered trademarks and/or trademarks in the U.S. and/or other countries. The information herein is for informational purposes only and represents the current view of Microsoft Corporation as of the date of this presentation. Because Microsoft must respond to changing market conditions, it should not be interpreted to be a commitment on the part of Microsoft, and Microsoft cannot guarantee the accuracy of any information provided after the date of this presentation. MICROSOFT MAKES NO WARRANTIES, EXPRESS, IMPLIED OR STATUTORY, AS TO THE INFORMATION IN THIS PRESENTATION.

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