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Matricial space-economy with constant access-time
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Pu, Ida Mengyi and Gibbons, Alan (Alan M.) (1996) Matricial space-economy with constant access-time. University of Warwick. Department of Computer Science. (Department of Computer Science research report). (Unpublished)
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PDF (Department of Computer Science Research Report)
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Abstract
We describe a particularly simple and practical algorithm for economic storage of arrays without recourse to the intricacies of perfect hash functions. This is done while retaining constant access time. The algorithm performs usefully over a range of values of x/n where the notional input array contains n entries with x non-zero elements. For x less than or equal to n/k and one particular setting of the array parameter, we show that the average storage required is about n(k+30)/10k. For sparse arrays this becomes n/10.
Item Type: | Report | ||||
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Subjects: | Q Science > QA Mathematics > QA76 Electronic computers. Computer science. Computer software | ||||
Divisions: | Faculty of Science, Engineering and Medicine > Science > Computer Science | ||||
Library of Congress Subject Headings (LCSH): | Data structures (Computer science), Memory management (Computer science) -- Mathematical models | ||||
Series Name: | Department of Computer Science research report | ||||
Publisher: | University of Warwick. Department of Computer Science | ||||
Official Date: | March 1996 | ||||
Dates: |
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Number: | Number 303 | ||||
Number of Pages: | 11 | ||||
DOI: | CS-RR-303 | ||||
Institution: | University of Warwick | ||||
Theses Department: | Department of Computer Science | ||||
Status: | Not Peer Reviewed | ||||
Publication Status: | Unpublished | ||||
Funder: | European Strategic Programme of Research and Development in Information Technology (ESPRIT) | ||||
Grant number: | 20244 (ESPRIT) | ||||
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