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Memory Locality Exploitation Strategies for FFT on the CUDA Architecture

  • Eladio Gutierrez
  • Sergio Romero
  • Maria A. Trenas
  • Emilio L. Zapata
Part of the Lecture Notes in Computer Science book series (LNCS, volume 5336)

Abstract

Modern graphics processing units (GPU) are becoming more and more suitable for general purpose computing due to its growing computational power. These commodity processors follow, in general, a parallel SIMD execution model whose efficiency is subject to a right exploitation of the explicit memory hierarchy, among other factors. In this paper we analyze the implementation of the Fast Fourier Transform using the programming model of the Compute Unified Device Architecture (CUDA) recently released by NVIDIA for its new graphics platforms. Within this model we propose an FFT implementation that takes into account memory reference locality issues that are crucial in order to achieve a high execution performance. This proposal has been experimentally tested and compared with other well known approaches such as the manufacturer’s FFT library.

Keywords

Graphics Processing Unit (GPU) Compute Unified Device Architecture (CUDA) Fast Fourier Transform memory reference locality 

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Copyright information

© Springer-Verlag Berlin Heidelberg 2008

Authors and Affiliations

  • Eladio Gutierrez
    • 1
  • Sergio Romero
    • 1
  • Maria A. Trenas
    • 1
  • Emilio L. Zapata
    • 1
  1. 1.Department of Computer ArchitectureUniversity of MalagaMalagaSpain

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