User level control of power management policies

In one embodiment, the present invention includes a processor having a core and a power controller to control power management features of the processor. The power controller can receive an energy performance bias (EPB) value from the core and access a power-performance tuning table based on the val...

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Bibliographic Details
Main Authors Naveh, Alon, Sistla, Krishnakanth V, Weissmann, Eliezer, Brandt, Jason, Rotem, Efraim, Steiner, Ian M, Gunther, Stephen H, Aggarwal, Anil, Shrall, Jeremy, Bace, Matthew, Ananthakrishnan, Avinash N, Varma, Ankush, Rowland, Martin T
Format Patent
LanguageEnglish
Published 06.08.2019
Subjects
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
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Summary:In one embodiment, the present invention includes a processor having a core and a power controller to control power management features of the processor. The power controller can receive an energy performance bias (EPB) value from the core and access a power-performance tuning table based on the value. Using information from the table, at least one setting of a power management feature can be updated. Other embodiments are described and claimed.
Bibliography:Application Number: US201615367330