List ranking on processor arrays

List ranking finds for each cell in a linked list the number of cells that precede it in the list. This paper presents a work-efficient list-ranking algorithm for fine-grained processor arrays. This algorithm runs on an array of n/log 2 n processors with the expected run-time of O(log 2 n). As list...

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Veröffentlicht in:The Journal of systems and software Jg. 55; H. 2; S. 185 - 192
1. Verfasser: Hasan, Cam
Format: Journal Article
Sprache:Englisch
Veröffentlicht: New York Elsevier Inc 29.12.2000
Elsevier Sequoia S.A
Schlagworte:
Algorithms
Arrays
List ranking
Parallel algorithm
Processor array
Studies
Work-efficient PRAM algorithm
List ranking
Parallel algorithm
Processor array
Work-efficient PRAM algorithm
ISSN:0164-1212, 1873-1228
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Zusammenfassung:List ranking finds for each cell in a linked list the number of cells that precede it in the list. This paper presents a work-efficient list-ranking algorithm for fine-grained processor arrays. This algorithm runs on an array of n/log 2 n processors with the expected run-time of O(log 2 n). As list ranking is highly communication intensive, the proposed algorithm is able to reduce communication cost among processors by assigning sublists, instead of arbitrary cells, of a linked list to each processor. The proposed algorithm is also capable of keeping all processors busy during the whole list-ranking process in order to utilize all processors efficiently.
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ISSN:0164-1212
1873-1228
DOI:10.1016/S0164-1212(00)00069-8