Adaptive data prefetch

Adaptive data prefetch

A data processing system includes a processor, a unit that includes a multi-level cache, a prefetch system and a memory. The data processing system can operate in a first mode and a second mode. The prefetch system can change behavior in response to a desired power consumption policy set by an exter...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: RONCHETTI BRUCE JOSEPH, RAY DAVID SCOTT, BOSE PRADIP, DOOLEY MILES ROBERT, FLOYD MICHAEL STEPHEN, BUYUKTOSUNOGLU ALPER
Format: Patent
Sprache:eng
Schlagworte:
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
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Beschreibung
Zusammenfassung:A data processing system includes a processor, a unit that includes a multi-level cache, a prefetch system and a memory. The data processing system can operate in a first mode and a second mode. The prefetch system can change behavior in response to a desired power consumption policy set by an external agent or automatically via hardware based on on-chip power/performance thresholds.