Some steps toward an information system performance theory

  • Authors:
  • Robert R. Johnson

  • Affiliations:
  • Burroughs Corporation, Detroit, Michigan

  • Venue:
  • ACM SIGMETRICS Performance Evaluation Review
  • Year:
  • 1972

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Abstract

A means for representing information handling systems at the problem, program, and computer level is presented. This means, Petri Nets, coupled with classical information theory, provides quantitative measures of system capacity and thruput as well measures of "the work done." Concepts of information-capacity and of information-work are derived from these probabilistically labeled Petri Nets based on analogies to thermodynamics. Thruput is measured as information-gain. Comments are made about the possible significance of these concepts, their relationship to classical thermodynamics, and the directions of continuing thought stimulated by these concepts.