Data Cache Prefetching Using a Global History Buffer

  • Authors:
  • Kyle J. Nesbit;James E. Smith

  • Affiliations:
  • University of Wisconsin-Madison;University of Wisconsin-Madison

  • Venue:
  • IEEE Micro
  • Year:
  • 2005

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Abstract

By organizing data cache prefetch information in a new way, a GHB supports existing prefetch algorithms more effectively than conventional prefetch tables. It reduces stale table data, improving accuracy and reducing memory traffic. It contains a more complete picture of cache miss history and is smaller than conventional tables