Processing of Multidimensional Range Query Using SIMD Instructions

  • Peter Chovanec
  • Michal Krátký
Conference paper
Part of the Communications in Computer and Information Science book series (CCIS, volume 254)

Abstract

Current main stream CPUs provide SIMD (Single Instruction Multiple Data) computational capabilities. Although producers of current hardware provide other computational capabilities like multi-cores CPU, GPU or APU, an important feature of SIMD is that it provides parallel operations for one CPU’s core. In previous works, authors introduced an utilization of the SIMD instructions in some indexing data structures like B-tree. Since multidimensional data structures manage n-dimensional tuples or rectangles, the utilization of these instructions seems to be straightforward in operations manipulating these n-dimensional objects. In this article, we show the utilization of SIMD in the R-tree data structure. Since the range query is one of the most important operation of multidimensional data structures, we suppose the utilization of SIMD in range query processing. Moreover, we show properties and scalability of this solution. We show that the SIMD range query algorithm is up-to 2× faster then the conventional algorithm.

Keywords

Leaf Node Range Query Spatial Object Conventional Algorithm Minimum Bound Rectangle 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.
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Copyright information

© Springer-Verlag Berlin Heidelberg 2011

Authors and Affiliations

  • Peter Chovanec
    • 1
  • Michal Krátký
    • 1
  1. 1.Department of Computer ScienceVŠB–Technical University of OstravaOstravaCzech Republic

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