User level control of power management policies

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...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: 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
Sprache:eng
Schlagworte:
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
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Beschreibung
Zusammenfassung: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.