Configurable cache system depending on instruction type

Configurable cache system depending on instruction type

A processor comprises decode logic that determines an instruction type for each instruction fetched, a first level cache, a second level cache coupled to the first level cache, and control logic operatively coupled to the first and second level caches. The control logic preferably causes cache linef...

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Bibliographische Detailangaben
Hauptverfasser: CHINNAKONDA MURALIDHARAN S, TRAN THANG M, MILLER PAUL K, GARIBAY, JR. RAUL A
Format: Patent
Sprache:eng
Schlagworte:
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
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Beschreibung
Zusammenfassung:A processor comprises decode logic that determines an instruction type for each instruction fetched, a first level cache, a second level cache coupled to the first level cache, and control logic operatively coupled to the first and second level caches. The control logic preferably causes cache linefills to be performed to the first level cache upon cache misses for a first type of instruction, but precludes linefills from being performed to the first level cache for a second type of instruction.