Integrating energy budgets for power management
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United States of America Patent
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Apr 30, 2013
Grant Date -
Nov 18, 2010
app pub date -
May 13, 2009
filing date -
May 13, 2009
priority date (Note) -
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status (Latency Note)
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Abstract
Power consumption of a device (e.g., flash storage driver, hard drive, etc.) connected to a host computer system is managed to promote efficient power usage and improved service. Communication between a host computer system (e.g., an operating system) and a device is enabled so that the host system can ascertain a power footprint of the device. Taking the power footprint of the device into consideration, along with the power consumption of the system as a whole (e.g., including the power consumption needs of other devices), a power manager can provide a power budget to the device based upon an informed decision. This allows for improved system power management through a coordination of the device's power consumption by the host system, specifically during operation allowing device performance to be enhanced for the task at hand.
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