The economics of garbage collection

  • Authors:
  • Jeremy Singer;Richard E. Jones;Gavin Brown;Mikel Luján

  • Affiliations:
  • University of Manchester, Manchester, United Kingdom;University of Kent, Canterbury, United Kingdom;University of Manchester, Manchester, United Kingdom;University of Manchester, Manchester, United Kingdom

  • Venue:
  • Proceedings of the 2010 international symposium on Memory management
  • Year:
  • 2010

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Abstract

This paper argues that economic theory can improve our understanding of memory management. We introduce the allocation curve, as an analogue of the demand curve from microeconomics. An allocation curve for a program characterises how the amount of garbage collection activity required during its execution varies in relation to the heap size associated with that program. The standard treatment of microeconomic demand curves (shifts and elasticity) can be applied directly and intuitively to our new allocation curves. As an application of this new theory, we show how allocation elasticity can be used to control the heap growth rate for variable sized heaps in Jikes RVM.