Method and apparatus for optimizing performance and battery life of electronic devices based on system and application parameters
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Abstract
An electronic device (e.g., computer system, etc.) employing dynamic power management of the present invention adjusts power consumption in accordance with an analysis of parameters and events occurring over one or more time-periods. Preferably, the electronic device monitors microprocessor, operating system, peripheral and/or device-level events and adjusts run-time parameters, such as microprocessor clock frequency and voltage, to reduce power consumption with minimal perceived degradation in performance.
42 Citations
28 Claims
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1-11. -11. (canceled)
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12. A system for dynamically managing power within an electronic device comprising:
a power management device including;
a sampling module to ascertain a value for at least one parameter associated with said electronic device during a sampling interval, wherein said at least one parameter includes a quantity of instructions executed by an electronic device processor within a particular time interval;
an analysis module to evaluate said at least one parameter value and determine at least one control value to adjust power consumption of said electronic device in response to said parameter evaluation; and
an adjustment module to adjust power consumption of said electronic device in accordance with said at least one control value to control electronic device power consumption. - View Dependent Claims (13, 14)
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15-25. -25. (canceled)
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26. A method of dynamically managing power within an electronic device comprising the steps of:
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(a) ascertaining a value for at least one parameter associated with said electronic device during a sampling interval, wherein said at least one parameter includes a quantity of instructions executed by an electronic device processor within a particular time interval;
(b) evaluating said at least one parameter value and determining at least one control value to adjust power consumption of said electronic device in response to said parameter evaluation; and
(c) adjusting power consumption of said electronic device in accordance with said at least one control value to control electronic device power consumption. - View Dependent Claims (27, 28)
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Specification