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A case study of a system-level approach to power-aware computing
Thomas L. Martin, Daniel P. Siewiorek, Asim Smailagic, Matthew Bosworth, Matthew Ettus, Jolin Warren
This paper introduces a systematic approach to power awareness in mobile, handheld computers. It describes experimental evaluations of several techniques for improving the energy efficiency of a system, ranging from the network level down to the...
Energy management for battery-powered embedded systems
Daler Rakhmatov, Sarma Vrudhula
Portable embedded computing systems require energy autonomy. This is achieved by batteries serving as a dedicated energy source. The requirement of portability places severe restrictions on size and weight, which in turn limits the amount of energy...
Online strategies for dynamic power management in systems with multiple power-saving states
Sandy Irani, Sandeep Shukla, Rajesh Gupta
Online dynamic power management (DPM) strategies refer to strategies that attempt to make power-mode-related decisions based on information available at runtime. In making such decisions, these strategies do not depend upon information of future...
Adaptive mode control: A static-power-efficient cache design
Huiyang Zhou, Mark C. Toburen, Eric Rotenberg, Thomas M. Conte
Lower threshold voltages in deep submicron technologies cause more leakage current, increasing static power dissipation. This trend, combined with the trend of larger/more cache memories dominating die area, has prompted circuit designers to develop...
Cool-Cache: A compiler-enabled energy efficient data caching framework for embedded/multimedia processors
Osman S. Unsal, Raksit Ashok, Israel Koren, C. Mani Krishna, Csaba Andras Moritz
The unique characteristics of multimedia/embedded applications dictate media-sensitive architectural and compiler approaches to reduce the power consumption of the data cache. Our goal is exploring energy savings for embedded/multimedia workloads...
On energy-optimal voltage scheduling for fixed-priority hard real-time systems
Han-Saem Yun, Jihong Kim
We address the problem of energy-optimal voltage scheduling for fixed-priority hard real-time systems, on which we present a complete treatment both theoretically and practically. Although most practical real-time systems are based on fixed-priority...
Power management for energy-aware communication systems
Curt Schurgers, Vijay Raghunathan, Mani B. Srivastava
System-level power management has become a key technique to render modern wireless communication devices economically viable. Despite their relatively large impact on the system energy consumption, power management for radios has been limited to...