Data buffer performance for sequential Prolog architectures

  • Authors:
  • E. Tick

  • Affiliations:
  • Stanford Univ., Stanford, CA

  • Venue:
  • ISCA '88 Proceedings of the 15th Annual International Symposium on Computer architecture
  • Year:
  • 1988

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Abstract

Several local data buffers are proposed and measurements are presented for variations of the Warren Abstract Machine (WAM) architecture for Prolog. Choice point buffers, stack buffers, split-stack buffers, multiple register sets, copyback caches, and “smart” caches are examined. Statistics collected from four benchmark programs indicate that small conventional local memories perform quite well because of the WAM's high locality. The data memory performance results are equally valid for native code and reduced instruction set implementations of Prolog.