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Multiwavelength optical content-addressable parallel processor for high-speed parallel relational database

P Y Choo1, A Detofsky, A Louri

  • 1Department of Electrical and Computer Engineering, the University of Arizona, Tucson, Arizona 85721, USA.

Applied Optics
|March 8, 2008
PubMed
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We introduce the multiwavelength optical content-addressable parallel processor (MW-OCAPP), a novel architecture for parallel database processing. This system enhances data retrieval by shifting operations to optics, achieving high parallelism and constant-time execution for most database primitives.

Area of Science:

  • Computer Science
  • Optical Engineering
  • Database Systems

Background:

  • Traditional electronic database processing faces limitations in speed and scalability.
  • Parallel processing architectures are crucial for handling large datasets efficiently.
  • Optical computing offers potential advantages in speed and parallelism over electronic systems.

Purpose of the Study:

  • To introduce a novel architecture for parallel database processing: the multiwavelength optical content-addressable parallel processor (MW-OCAPP).
  • To demonstrate efficient parallel data retrieval and processing by leveraging optical technologies.
  • To achieve high parallelism and constant-time execution for database operations.

Main Methods:

  • Development of a novel architecture combining a parallel model of computation with optical processing.

Related Experiment Videos

  • Utilization of polarization and wavelength-encoding schemes for enhanced parallelism.
  • Implementation of 11 relational database primitives, including equality and magnitude comparison, with constant execution time.

    • Main Results:

    • The MW-OCAPP architecture enables efficient parallel data retrieval and processing.
    • Multiwavelength encoding enhances processing parallelism significantly.
    • Key database operations execute in constant time, independent of data or word size.
    • A physical demonstration of the multiwavelength equality operation was successfully presented.

    Conclusions:

    • The MW-OCAPP represents a significant advancement in parallel database processing by moving operations to optics.
    • The proposed architecture offers substantial improvements in efficiency and speed for database operations.
    • Future research can build upon this optical architecture for even more powerful data processing systems.