Processing pipeline with first and second processing modes having different performance or energy consumption characteristics

Processing pipeline with first and second processing modes having different performance or energy consumption characteristics

An apparatus 2 has a processing pipeline 4 supporting at least a first processing mode and a second processing mode with different energy consumption or performance characteristics. A storage structure 22, 30, 36, 50, 40, 64, 44 is accessible in both the first and second processing modes. When the s...

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Bibliographische Detailangaben
Hauptverfasser: Batley, Max John, Skillman, Allan John, Caulfield, Ian Michael, Greenhalgh, Peter Richard, Craske, Simon John, Penton, Antony John
Format: Patent
Sprache:eng
Schlagworte:
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
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Beschreibung
Zusammenfassung:An apparatus 2 has a processing pipeline 4 supporting at least a first processing mode and a second processing mode with different energy consumption or performance characteristics. A storage structure 22, 30, 36, 50, 40, 64, 44 is accessible in both the first and second processing modes. When the second processing mode is selected, control circuitry 70 triggers a subset 102 of the entries of the storage structure to be placed in a power saving state.