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When caches aren't enough: data prefetching techniques

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2 Author(s)
S. P. Vander Wiel ; Dept. of Electr. Eng., Minnesota Univ., USA ; D. J. Lilja

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

Published in:

Computer  (Volume:30 ,  Issue: 7 )