On the inherent sequentiality of concurrent objects

Faith Ellen, Danny Hendler, Nir Shavit

Research output: Contribution to journalArticlepeer-review

27 Scopus citations

Abstract

We present O(n) lower bounds on the worst case time to perform a single instance of an operation in any nonblocking implementation of a large class of concurrent data structures shared by n processes. Time is measured by the number of stalls a process incurs as a result of contention with other processes. For standard data structures such as counters, stacks, and queues, our bounds are tight. The implementations considered may apply any primitives to a base object. No upper bounds are assumed on either the number of base objects or their size.

Original languageEnglish
Pages (from-to)519-536
Number of pages18
JournalSIAM Journal on Computing
Volume41
Issue number3
DOIs
StatePublished - 3 Sep 2012

Keywords

  • Covering
  • Distributed data structures
  • Lower bounds
  • Memory contention

ASJC Scopus subject areas

  • General Computer Science
  • General Mathematics

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