Secondary cache performance in RISC architecture

  • Authors:
  • Benjamin J. Ewy;Joseph B. Evans

  • Affiliations:
  • -;-

  • Venue:
  • ACM SIGARCH Computer Architecture News
  • Year:
  • 1993

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Abstract

In this paper we report on a simulation study that examines a uniprocessor system with a three-level memory hierarchy. A simulation model of a single-cycle-per-instruction processor with a small on-chip cache was constructed and tested with various memory hierarchies. The simulation was intended to focus on meeting the demanding requirements of the latest RISC processors such as the MIPS R4000 and the DEC 21064. The simulator used allowed the authors to run traces of hundreds of millions of memory references per case. These long traces gave a more thorough and accurate picture of the memory demands of current processors. Data is presented enabling a designer to incorporate speed estimates based on implementation restrictions into the process of developing memory hierarchies.