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  1. No Access

    Chapter and Conference Paper

    TUE, a New Energy-Efficiency Metric Applied at ORNL’s Jaguar

    The metric, Power Usage Effectiveness (PUE), has been successful in improving energy efficiency of data centers, but it is not perfect. One challenge is that PUE does not account for the power distribution and...

    Michael K. Patterson, Stephen W. Poole, Chung-Hsing Hsu, Don Maxwell… in Supercomputing (2013)

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    Chapter and Conference Paper

    Effective Dynamic Voltage Scaling Through CPU-Boundedness Detection

    Dynamic voltage scaling (DVS) allows a program to execute at a non-peak CPU frequency in order to reduce CPU power, and hence, energy consumption; however, it is oftentimes done at the expense of performance d...

    Chung-Hsing Hsu, Wu-Chun Feng in Power-Aware Computer Systems (2005)

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    Chapter and Conference Paper

    Single Region vs. Multiple Regions: A Comparison of Different Compiler-Directed Dynamic Voltage Scheduling Approaches

    This paper discusses the design and implementation of a profile-based power-aware compiler using dynamic voltage scaling. The compiler identifies program regions where the CPU can be slowed down without result...

    Chung-Hsing Hsu, Ulrich Kremer in Power-Aware Computer Systems (2003)

  4. No Access

    Chapter and Conference Paper

    Compiler-Directed Dynamic Frequency and Voltage Scheduling

    Dynamic voltage and frequency scaling has been identified as one of the most effective ways to reduce power dissipation. This paper discusses a compilation strategy that identifies opportunities for dynamic vo...

    Chung-Hsing Hsu, Ulrich Kremer, Michael Hsiao in Power-Aware Computer Systems (2001)