Properties of the working-set model

作者: Peter J Denning , Stuart C Schwartz , None

DOI: 10.1145/361268.361281

关键词:

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

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