Biorthogonally accessed three-dimensional two-photon memory for relational database operations

B. H. Olson, R. Paturi, S. C. Esener

Research output: Contribution to journalArticle

3 Scopus citations

Abstract

Memory bandwidth is a bottleneck for very large database machines. Parallel-access three-dimensional two-photon memories have the potential of achieving enormous throughput (>100 Gbit/s) and capacity (1 Tbit/cm3) [Appl. Opt. 29, 2058 (1990)] and, consequently, are well suited for this application. Our analysis shows that some operations can be completed more than 2 orders of magnitude faster with this type of memory than with a system based on serial-access storage. These particular memories have a further feature of being accessible in orthogonal directions. We show that this property, used in conjunction with a three-dimensional data-organization scheme designed for this approach, leads to improved performance by permitting the user a choice of accessing strategies for a given operation.

Original languageEnglish (US)
Pages (from-to)3877-3888
Number of pages12
JournalApplied Optics
Volume36
Issue number17
DOIs
StatePublished - Jun 10 1997
Externally publishedYes

Keywords

  • 3-D data organization
  • Biorthogonal access
  • Parallel-access optical memory
  • Relational database

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics
  • Engineering (miscellaneous)
  • Electrical and Electronic Engineering

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