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MINIMUM COST MODELING FOR HIERARCHICAL STORAGE REALLOCATION USING DYNAMIC USAGE FREQUENCIES

By Rachelle F. Cope

Abstract

In computer information systems, some programs are used more frequently than others producing skewed distributions of program usages. We investigate the claim that static views of program usage frequencies are insufficient when they are used for storage allocation decisions making it necessary to study the implications of the use of dynamic frequencies in storage allocation. The use of dynamic frequencies provides a natural extension to previously presented static cost model literature for hierarchical storage allocation. In our work, we present the value of incorporating dynamic usage frequencies into program usage cost models. Thus, an optimization-based cost modeling methodology using Simon's Model for dynamic hierarchical storage allocation is presented. To illustrate, a simple example of program storage allocation is presented in both static and dynamic form. Cost-saving comparisons are then discussed

Year: 2009
OAI identifier: oai:CiteSeerX.psu:10.1.1.135.2062
Provided by: CiteSeerX
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