Cache-Oblivious B-Trees.
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| Title: | Cache-Oblivious B-Trees. |
|---|---|
| Authors: | Bender, Michael A.1 bender@cs.sunysb.edu, Demaine, Erik D.2 edemaine@mit.edu, Farach-Colton, Martin3 farach@cs.rutgers.edu |
| Source: | SIAM Journal on Computing. 2005, Vol. 35 Issue 2, p341. 18p. |
| Subjects: | Memory hierarchy (Computer science), Computer storage devices, Data transmission systems, Digital communications, Computer input-output equipment |
| Abstract: | This paper presents two dynamic search trees attaining near-optimal performance on any hierarchical memory. The data structures are independent of the parameters of the memory hierarchy, e.g., the number of memory levels, the block-transfer size at each level, and the relative speeds of memory levels. The performance is analyzed in terms of the number of memory transfers between two memory levels with an arbitrary block-transfer size of B; this analysis can then be applied to every adjacent pair of levels in a multilevel memory hierarchy. Both search trees match the optimal search bound of $\Theta(1+\log_{B+1}N)$ memory transfers. This bound is also achieved by the classic B-tree data structure on a two-level memory hierarchy with a known block-transfer size B. The first search tree supports insertions and deletions in $\Theta(1+\log_{B+1}N)$ amortized memory transfers, which matches the B-tree's worst-case bounds. The second search tree supports scanning S consecutive elements optimally in $\Theta(1+S/B)$ memory transfers and supports insertions and deletions in $\Theta(1+\log_{B+1}N + \frac{\log^2N}{B})$ amortized memory transfers, matching the performance of the B-tree for $B = \Omega(\log N \log\log N)$. [ABSTRACT FROM AUTHOR] |
| Copyright of SIAM Journal on Computing is the property of Society for Industrial & Applied Mathematics and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.) | |
| Database: | Engineering Source |
| FullText | Links: – Type: pdflink Text: Availability: 0 |
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| Items | – Name: Title Label: Title Group: Ti Data: Cache-Oblivious B-Trees. – Name: Author Label: Authors Group: Au Data: <searchLink fieldCode="AR" term="%22Bender%2C+Michael+A%2E%22">Bender, Michael A.</searchLink><relatesTo>1</relatesTo><i> bender@cs.sunysb.edu</i><br /><searchLink fieldCode="AR" term="%22Demaine%2C+Erik+D%2E%22">Demaine, Erik D.</searchLink><relatesTo>2</relatesTo><i> edemaine@mit.edu</i><br /><searchLink fieldCode="AR" term="%22Farach-Colton%2C+Martin%22">Farach-Colton, Martin</searchLink><relatesTo>3</relatesTo><i> farach@cs.rutgers.edu</i> – Name: TitleSource Label: Source Group: Src Data: <searchLink fieldCode="JN" term="%22SIAM+Journal+on+Computing%22">SIAM Journal on Computing</searchLink>. 2005, Vol. 35 Issue 2, p341. 18p. – Name: Subject Label: Subjects Group: Su Data: <searchLink fieldCode="DE" term="%22Memory+hierarchy+%28Computer+science%29%22">Memory hierarchy (Computer science)</searchLink><br /><searchLink fieldCode="DE" term="%22Computer+storage+devices%22">Computer storage devices</searchLink><br /><searchLink fieldCode="DE" term="%22Data+transmission+systems%22">Data transmission systems</searchLink><br /><searchLink fieldCode="DE" term="%22Digital+communications%22">Digital communications</searchLink><br /><searchLink fieldCode="DE" term="%22Computer+input-output+equipment%22">Computer input-output equipment</searchLink> – Name: Abstract Label: Abstract Group: Ab Data: This paper presents two dynamic search trees attaining near-optimal performance on any hierarchical memory. The data structures are independent of the parameters of the memory hierarchy, e.g., the number of memory levels, the block-transfer size at each level, and the relative speeds of memory levels. The performance is analyzed in terms of the number of memory transfers between two memory levels with an arbitrary block-transfer size of B; this analysis can then be applied to every adjacent pair of levels in a multilevel memory hierarchy. Both search trees match the optimal search bound of $\Theta(1+\log_{B+1}N)$ memory transfers. This bound is also achieved by the classic B-tree data structure on a two-level memory hierarchy with a known block-transfer size B. The first search tree supports insertions and deletions in $\Theta(1+\log_{B+1}N)$ amortized memory transfers, which matches the B-tree's worst-case bounds. The second search tree supports scanning S consecutive elements optimally in $\Theta(1+S/B)$ memory transfers and supports insertions and deletions in $\Theta(1+\log_{B+1}N + \frac{\log^2N}{B})$ amortized memory transfers, matching the performance of the B-tree for $B = \Omega(\log N \log\log N)$. [ABSTRACT FROM AUTHOR] – Name: AbstractSuppliedCopyright Label: Group: Ab Data: <i>Copyright of SIAM Journal on Computing is the property of Society for Industrial & Applied Mathematics and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.) |
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| RecordInfo | BibRecord: BibEntity: Identifiers: – Type: doi Value: 10.1137/S0097539701389956 Languages: – Code: eng Text: English PhysicalDescription: Pagination: PageCount: 18 StartPage: 341 Subjects: – SubjectFull: Memory hierarchy (Computer science) Type: general – SubjectFull: Computer storage devices Type: general – SubjectFull: Data transmission systems Type: general – SubjectFull: Digital communications Type: general – SubjectFull: Computer input-output equipment Type: general Titles: – TitleFull: Cache-Oblivious B-Trees. Type: main BibRelationships: HasContributorRelationships: – PersonEntity: Name: NameFull: Bender, Michael A. – PersonEntity: Name: NameFull: Demaine, Erik D. – PersonEntity: Name: NameFull: Farach-Colton, Martin IsPartOfRelationships: – BibEntity: Dates: – D: 08 M: 12 Text: 2005 Type: published Y: 2005 Identifiers: – Type: issn-print Value: 00975397 Numbering: – Type: volume Value: 35 – Type: issue Value: 2 Titles: – TitleFull: SIAM Journal on Computing Type: main |
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