Cache optimization for programming loops

A cache memory architecture 50, which may be, for example, a set associative cache memory, has a cache controller (52) with an internal register for storing the address of the active line currently latched in the output buffer of the high speed cache data array (56) which stores the cached data valu...

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Bibliographische Detailangaben
Hauptverfasser:	MCMAHON MICHAEL, CHAUVEL GERARD, WOOLSEY MATTHEW A, LINEBERRY MARION C
Format:	Patent
Sprache:	eng
Schlagworte:	CALCULATING CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION ANDCOMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION ANDCOMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THIR OWNENERGY USE COMPUTING COUNTING ELECTRIC DIGITAL DATA PROCESSING GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS PHYSICS TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE
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Beschreibung
Zusammenfassung:	A cache memory architecture 50, which may be, for example, a set associative cache memory, has a cache controller (52) with an internal register for storing the address of the active line currently latched in the output buffer of the high speed cache data array (56) which stores the cached data values from the main memory. If a memory access request specifies an address which would be contained in the active line, the cache look-up mechanisms are disabled and the data is taken from the output buffer. The efficiency of the cache can be increased by linking a program to memory such that the number of cache lines used by one or more program loops are minimized.