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Properties of the working-set model

Published: 01 March 1972 Publication History

Abstract

A program's working set W(t, T) at time t is the set of distinct pages among the T most recently referenced pages. Relations between the average working-set size, the missing-page rate, and the interreference-interval distribution may be derived both from time-average definitions and from ensemble-average (statistical) definitions. An efficient algorithm for estimating these quantities is given. The relation to LRU (lease recently used) paging is characterized. The independent-reference model, in which page references are statistically independent, is used to assess the effects of interpage dependencies on working-set size observations. Under general assumptions, working-set size is shown to be normally distributed.

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Published In

cover image Communications of the ACM
Communications of the ACM  Volume 15, Issue 3
March 1972
69 pages
ISSN:0001-0782
EISSN:1557-7317
DOI:10.1145/361268
Issue’s Table of Contents
Permission to make digital or hard copies of all or part of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. Copyrights for components of this work owned by others than ACM must be honored. Abstracting with credit is permitted. To copy otherwise, or republish, to post on servers or to redistribute to lists, requires prior specific permission and/or a fee. Request permissions from [email protected]

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Association for Computing Machinery

New York, NY, United States

Publication History

Published: 01 March 1972
Published in CACM Volume 15, Issue 3

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Author Tags

  1. paging
  2. paging algorithms
  3. program behavior
  4. program modeling
  5. working-set model

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Cited By

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  • (2020)End the senseless killingProceedings of the 2020 USENIX Conference on Usenix Annual Technical Conference10.5555/3489146.3489206(873-887)Online publication date: 15-Jul-2020
  • (2020)On a Caching System with Object SharingProceedings of the International Workshop on Middleware and Applications for the Internet of Things10.1145/3429881.3430107(1-6)Online publication date: 7-Dec-2020
  • (2020)Survey on Algorithms for Self-stabilizing Overlay NetworksACM Computing Surveys10.1145/339719053:4(1-24)Online publication date: 11-Jul-2020
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