The Semantic Foundations and a Landscape of Cache-Persistence Analyses

Author Jan Reineke

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Jan Reineke
  • Saarland University, Saarland Informatics Campus Saarbrücken

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Jan Reineke. The Semantic Foundations and a Landscape of Cache-Persistence Analyses. In LITES, Volume 5, Issue 1 (2018). Leibniz Transactions on Embedded Systems, Volume 5, Issue 1, pp. 03:1-03:52, Schloss Dagstuhl – Leibniz-Zentrum für Informatik (2018)


We clarify the notion of cache persistence and contribute to the understanding of persistence analysis for caches with least-recently-used replacement.To this end, we provide the first formal definition of persistence as a property of a trace semantics. Based on this trace semantics we introduce a semantics-based, i.e., abstract-interpretation-based persistence analysis framework.We identify four basic persistence analyses and prove their correctness as instances of this analysis framework.Combining these basic persistence analyses via two generic cooperation mechanisms yields a lattice of ten persistence analyses.Notably, this lattice contains all persistence analyses previously described in the literature. As a consequence, we obtain uniform correctness proofs for all prior analyses and a precise understanding of how and why these analyses work, as well as how they relate to each other in terms of precision.

Subject Classification

ACM Subject Classification
  • Computer systems organization → Real-time system architecture
  • Theory of computation → Caching and paging algorithms
  • Hardware → Safety critical systems
  • caches
  • persistence analysis
  • WCET analysis


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