LOOK-ASIDE BUFFER LRU MARKER CONTROLLER

LOOK-ASIDE BUFFER LRU MARKER CONTROLLER

LOOK-ASIDE BUFFER LRU MARKER CONTROLLER A look-aside buffer in a computer system has a memory containing at least a first type of data and a second type of data stored in a page format. The look-aside buffer is arranged to retain at least two different real addresses as resolved by the system which...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: MCMAHON, LYNN A, LEWIS, DAVID O, SCHARDT, TERRY L
Format: Patent
Sprache:eng ; fre
Schlagworte:
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
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Beschreibung
Zusammenfassung:LOOK-ASIDE BUFFER LRU MARKER CONTROLLER A look-aside buffer in a computer system has a memory containing at least a first type of data and a second type of data stored in a page format. The look-aside buffer is arranged to retain at least two different real addresses as resolved by the system which indicate pages containing the different types of data. One of the addresses is indicated as least recently used by a marker and such address is deleted when a further different address is resolved by the system unless the address being resolved is an address corresponding to the first type of data. In such a case, the marker is not changed such that the second type of data addresses are not deleted from the look-aside buffer as a result of resolution of a first type data page address by the system.