Power management for a computer system
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United States of America Patent
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May 3, 2016
Grant Date -
Sep 18, 2014
app pub date -
Aug 14, 2013
filing date -
Mar 15, 2013
priority date (Note) -
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Abstract
Embodiments include a method for managing power in a computer system including a main processor and an active memory device including powered units, the active memory device in communication with the main processor by a memory link, the powered units including a processing element. The method includes the main processor executing a program on a program thread, encountering a first section of code to be executed by the active memory device, changing, by a first command, a power state of a powered unit on the active memory device based on the main processor encountering the first section of code, the first command including a store command. The method also includes the processing element executing the first section of code at a second time, changing a power state of the main processor from a power use state to a power saving state based on the processing element executing the first section.
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