A model hierarchy for virtual memory system investigation

  • Authors:
  • Emily C. Placy;Jon C. Strauss

  • Affiliations:
  • -;-

  • Venue:
  • WSC '74 Proceedings of the 7th conference on Winter simulation - Volume 2
  • Year:
  • 1974

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Abstract

A hierarchy of simple models is presented for an idealized version of an IBM VS/370 computer system. The idealized system consists of a main memory, an auxiliary memory, and a processor. Demand paging is employed with an LRU replacement algorithm. A hierarchy of simulation and analytic models is developed which represents the system at several levels of detail. These models are compared and their suitability for representing the system for various purposes is discussed. Several interesting observations concerning the performance of the LRU page replacement algorithm are presented.