NDLI: A correct and useful incremental copying garbage collector

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A correct and useful incremental copying garbage collector

Content Provider	ACM Digital Library
Author	Kero, Martin Lindgren, Per Nordlander, Johan
Abstract	Designing a garbage collector with real-time properties is a particularlydifficult task, involving the construction of both an incremental run-timealgorithm as well as methods enabling a priori reasoning about schedulability in two dimensions (time and memory usage in conjunction). In order to comply with such ambitious goals with any amount of formal rigor, a comprehensive understanding of the actual algorithm used is of course a fundamental requirement. In this paper we present a formal model of an incremental copying garbage collector, where each atomic increment is modeled as a transition between states of a heap process. Soundness of the algorithm is shown by proving that the garbage collecting heap process is weakly bisimilar to a non-collecting heap with infinite storage space. In addition, we show that our collector is both terminating and useful, in the sense that it actually recovers the unreachable parts of any given heap in a finite number of steps.
Starting Page	129
Ending Page	140
Page Count	12
File Format	PDF
ISBN	9781595938930
DOI	10.1145/1296907.1296924
Language	English
Publisher	Association for Computing Machinery (ACM)
Publisher Date	2007-10-21
Publisher Place	New York
Access Restriction	Subscribed
Subject Keyword	Incremental copying garbage collection Labeled transition system
Content Type	Text
Resource Type	Article

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