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Highly parallelizable problems

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

We establish that several problems are highly parallelizable. For each of these problems, we design an optimal O(log/log n) time parallel algorithm on the Common CRCW PRAM model which is the weakest among the CRCW PRAM models. These problems include all nearest smaller values, preprocessing for answering range maxima queries, several problems in computational geometry, and string matching. A new lower bound technique is presented showing that some of the new O(loglog n) upper bounds cannot be improved even when nonoptimal algorithms are used. The technique extends Ramsey-like lower bound argumentation.

Original languageEnglish (US)
Title of host publicationSTOC 1989
Subtitle of host publicationProceedings of the twenty-first annual ACM symposium on Theory of computing
PublisherPubl by ACM
Pages309-319
Number of pages11
ISBN (Print)0897913078, 9780897913072
DOIs
StatePublished - 1989
Externally publishedYes
Event21st Annual ACM Symposium on Theory of Computing, STOC 1989" - Seattle, WA, USA
Duration: May 15 1989 → May 17 1989

Publication series

NameSTOC 1989: Proceedings of the twenty-first annual ACM symposium on Theory of computing

Conference

Conference21st Annual ACM Symposium on Theory of Computing, STOC 1989"
CitySeattle, WA, USA
Period5/15/89 → 5/17/89

All Science Journal Classification (ASJC) codes

  • General Engineering

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