When caches aren't enough: data prefetching techniques

When caches aren't enough: data prefetching techniques

With data prefetching, memory systems call data into the cache before the processor needs it, thereby reducing memory-access latency. Using the most suitable techniques is critical to maximizing data prefetching's effectiveness. The authors review three popular prefetching techniques: software-...

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Veröffentlicht in:Computer (Long Beach, Calif.) Calif.), 1997-07, Vol.30 (7), p.23-30
Hauptverfasser: Vander Wiel, S.P., Lilja, D.J.
Format: Artikel
Sprache:eng
Schlagworte:
Application software
Cache memory
Computer memory
Delay
DRAM chips
Fabrication
Hardware
Information management
Microprocessors
Prefetching
Processor scheduling
Random access memory
Read-write memory
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Zusammenfassung:With data prefetching, memory systems call data into the cache before the processor needs it, thereby reducing memory-access latency. Using the most suitable techniques is critical to maximizing data prefetching's effectiveness. The authors review three popular prefetching techniques: software-initiated prefetching, sequential hardware-initiated prefetching, and prefetching via reference prediction tables.
ISSN:0018-9162
1558-0814
DOI:10.1109/2.596622