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Designs that improve performance per watt
Peak power performance now requires a holistic design approach to keep energy consumption in check.
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By
By: Tim Higgs, Erik Peter, Henry Wong, Jim Kardach, Intel Corp.
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Page 1 of 6
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Power Management DesignLine
(03/26/2007 8:39 AM EDT)
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The last quarter century has seen enormous progress in the performance and capabilities of servers, desktop computers, laptops, and handheld computing devices. Users continue to expect faster operation, greater functionality and lower prices from their computing devices. At the same time, energy costs are rising around the world, presenting an increasingly difficult technical challenge to manufacturers to deliver high performance without dramatically increasing energy consumption. This is not just an issue with industrial users who are concerned about operating costs, but also with consumers who are becoming increasingly concerned about the environmental impacts of energy generation and consumption.
Delivering more energy-efficient products requires a holistic effort across all components of a computer system — processors, hard drives, power supplies, displays and more. In recent years, advances have been made that dramatically improve efficiency in many of these areas. New techniques have been implemented in chip design for reducing current leakage and varying energy consumption according to demand. New standards have been developed that drive improved efficiency for key platform components such as power supplies and displays, and new methods are being utilized to improve overall system power management.
As computer systems become more integral to modern life, and the demand for more computing power and functionality continues to increase, managing energy consumption is clearly one of the most important challenges semiconductor and computer manufacturers face.
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