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Abstract: The CPU is one of the major power consumers in a portable computer, and considerable power can be saved by turning off the CPU when it is not doing useful work. In Apple 's MacOS, however, idle time is often converted to busy waiting, and generally it is very hard to tell when no useful computation is occurring. In this paper, we suggest several heuristic techniques for identifying this condition, and for temporarily putting the CPU in a low-power state. These techniques include turning off the ... (Update)
Context of citations to this paper: More
.... multimedia and real time applications [2, 3, 6, 10, 14] and energybased policies so as to increase the mission time of portable devices [8, 12, 11]. While the need for new scheduling policies is well recognized, their implementation within an existing OS kernel raises many...
.... power optimizations may be evaluated by showing the system s slowdown, when the optimization is applied, as a function of the power savings [37]. Such a function is useful for computing easily the possible power savings for a speci c acceptable decrease in performance....
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0.5: A Complete Picture of the Energy Consumption of a Portable Computer - Lorch (1995) (Correct)
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BibTeX entry: (Update)
Lorch, J. R. and Smith, A. J. Scheduling techniques for reducing processor energy use in MacOS. Wireless Networks, 3(5):311--324, October 1997. http://citeseer.ist.psu.edu/lorch97scheduling.html More
@misc{ lorch97scheduling,
author = "J. Lorch and A. Smith",
title = "Scheduling techniques for reducing processor energy use in MacOS",
text = "Lorch, J. R. and Smith, A. J. Scheduling techniques for reducing processor
energy use in MacOS. Wireless Networks, 3(5):311--324, October 1997.",
year = "1997",
url = "citeseer.ist.psu.edu/lorch97scheduling.html" }
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1 How energy is consumed and saved in portable computers (context) - Lorch, Smith - 1996
The graph only includes citing articles where the year of publication is known.
Documents on the same site (http://golem.cs.berkeley.edu/~lorch/papers/): More
Software Strategies for Portable Computer Energy Management - Lorch, Smith (1998) (Correct)
A Complete Picture of the Energy Consumption of a Portable Computer - Lorch (1995) (Correct)
Energy Consumption of Apple Macintosh Computers - Jacob Lorch (1998) (Correct)
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