by Bob Steigerwald, Chris D. Lucero, Chakravarthy Akella and Abhishek R. Agrawal, Intel Corporation

Abstract
In his article “Harnessing Green IT: Principles and Practices,” San Murugesan (Murugesan, 2008) defines the field of green computing as “the study and practice of designing, manufacturing, using, and disposing of computers, servers, and associated subsystems—such as monitors, printers, storage devices, and networking and communications systems—efficiently and effectively with minimal or no impact on the environment.” Using a computer means that it is powered on and either in an idle state or performing some compute task in which software instructions and data are coursing through the electronic pathways and therefore causing energy to be consumed. This article takes a look into how software influences energy consumption and some ways in which engineers can develop software that uses less.

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This article is based on material found in the book Energy Aware Computing, Copyright © 2011 Intel Corporation.