J. R. Lorch and A. J. Smith. Apple Macintosh's energy consumption. IEEE Micro, 18(6):54 -- 63, 1998.  Home/Search   Document Not in Database   Summary   Related Articles   Check

....life of the device. Secondly, we focus particularly on the processor because in most applications, the processor is the most energy consuming component of the system. This is definitely true on small handheld devices like PDAs [3] which have very few components, but also on large laptop computers [20] that have many components including large displays with backlighting. Table 1 shows measured power consumption of a typical laptop computer. When it is idle, the display backlighting accounts for a large fraction of dissipated power, but at maximum computational load, the processor subsystem ....

LORCH, J. R., AND SMITH, A. J. Apple Macintosh's energy consumption. IEEE Micro 18, 6 (Nov. 1998), 54--63.

....for the task. It is infeasible to use external measurement equipment [7, 21] since such equipment can only be used in a laboratory setting. Alternatively, one can calibrate the energy use of events such as network transmission, and then later approximate energy use by counting event occurrences [4, 13]. However, results will be inaccurate when the calibration does not anticipate the full set of possible events, or when events such as changes in screen brightness are invisible to the monitor. Our battery monitor takes advantage of the advent of smart batteries: chips which report detailed ....

Lorch, J. R. and Smith, A. J. Apple Macintosh's Energy Consumption. IEEE Micro, 18(6):54--63, Nov./Dec. 1998.

....life of the device. Secondly, we focus particularly on the processor because in most applications, the processor is the most energy consuming component of the system. This is definitely true on small handheld devices like PDAs [3] which have very few components, but also on large laptop computers [20] that have many components including large displays with backlighting. Table 1 shows measured power consumption of a typical laptop computer. When it is idle, the display backlighting accounts for a large fraction of dissipated power, but at maximum computational load, the processor subsystem ....

LORCH, J. R., AND SMITH, A. J. Apple Macintosh's energy consumption. IEEE Micro 18, 6 (Nov. 1998), 54--63.

....Power Interface Specification [10] is a promising candidate for this purpose. Second, if a compact digital multimeter in PCMCIA form factor were available, PowerScope could be modified to use it. Third, laptops such as the Apple Macintosh Duo already incorporate support for monitoring energy usage [15], and Odyssey could use this built in functionality. 5.1.2 Predicting future energy demand To predict future energy demand, Odyssey relies on smoothed observations of present and past power usage. This is in contrast to requiring applications to explicitly declare their future energy usage ....

Lorch, J. R. and Smith, A. J. Apple Macintosh's energy consumption. IEEE Micro, 18(6):54--63, November /December 1998.

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J. R. Lorch and A. J. Smith. Apple Macintosh's energy consumption. IEEE Micro, 18(6):54 -- 63, 1998.

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J. R. Lorch and A. J. Smith, "Apple Macintosh's energy consumption," IEEE Micro 18, pp. 54 63, Nov-Dec 1998.

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