US Patent 7529956 Granular reduction in power consumption
Patent 7529956 was granted and assigned to Microsoft on May, 2009 by the United States Patent and Trademark Office.
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Generally described, embodiments of the present invention are directed at reducing the power consumed by a CPU. In accordance with one embodiment, a method is provided that transitions the CPU into a reduced power state in response to a fetch operation being dispatched to an I/O device. More specifically, the method includes comparing the latency associated with recovering from a reduced power state with the time remaining before a timer expires. Then, a signal is generated that identifies a timer-specific reduced power state. The method aggregates signals received from different timers to identify a reduced power that is appropriate given all of the processing that is scheduled to be performed.
US Patent 07529956 Granular reduction in power consumption US Patent 7529956 Granular reduction in power consumption
US Patent 07529956 Granular reduction in power consumption
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