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  Better Trade-offs for Parallel List Ranking

Sibeyn, J. F. (1997). Better Trade-offs for Parallel List Ranking. In Proceedings of the 9th Symposium on Parallel Algorithms and Architectures (SPAA-97) (pp. 221-230). New York: ACM Press.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-000F-38FC-2 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-000F-38FD-F
Genre: Conference Paper

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 Creators:
Sibeyn, Jop F.1, Author
Affiliations:
1Max Planck Society, escidoc:persistent13              

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 Abstract: An earlier parallel list ranking algorithm performs well for problem sizes $N$ that are extremely large in comparison to the number of PUs $P$. However, no existing algorithm gives good performance for reasonable loads. We present a novel family of algorithms, that achieve a better trade-off between the number of start-ups and the routing volume. We have implemented them on an Intel Paragon, and they turn out to considerably outperform all earlier algorithms: with $P = 2$ the sequential algorithm is already beaten for $N = \mbox{25,000}$; for $P = 100$ and $N = 10^7$, the speed-up is 21, and for $N = 10^8$ it even reaches 30. A modification of one of our algorithms solves a theoretical question: we show that on one-dimensional processor arrays, list ranking can be solved with a number of steps equal to the diameter of the network.

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Language(s): eng - English
 Dates: 2010-03-021997
 Publication Status: Published in print
 Pages: -
 Publishing info: New York : ACM Press
 Table of Contents: -
 Rev. Method: -
 Identifiers: eDoc: 517906
Other: Local-ID: C1256428004B93B8-DF745B8F43E52F35C12565CB004EE4F0-Sibeyn97a
 Degree: -

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Title: Untitled Event
Place of Event: New-Port Beach
Start-/End Date: 1997-06-22 - 1997-06-25

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Title: Proceedings of the 9th Symposium on Parallel Algorithms and Architectures (SPAA-97)
Source Genre: Proceedings
 Creator(s):
Affiliations:
Publ. Info: New York : ACM Press
Pages: - Volume / Issue: - Sequence Number: - Start / End Page: 221 - 230 Identifier: -