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A Hybrid MPI/OpenMP Implementation of a Parallel 3-D FFT on SMP Clusters

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Parallel Processing and Applied Mathematics (PPAM 2005)

Part of the book series: Lecture Notes in Computer Science ((LNTCS,volume 3911))

Abstract

In the present paper, we propose a hybrid MPI/OpenMP implementation of a parallel three-dimensional fast Fourier transform (FFT) algorithm on SMP clusters. The three-dimensional FFT algorithm can be altered to create a block three-dimensional FFT algorithm in order to reduce the number of cache misses. We then use the obtained block three-dimensional FFT algorithm to implement the parallel three-dimensional FFT. We succeeded in obtaining a performance of over 14 GFLOPS on the AIST Super Cluster M-64 (using 32 nodes out of 132 available, Itanium2 1.3 GHz, 4-way SMP).

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© 2006 Springer-Verlag Berlin Heidelberg

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Takahashi, D. (2006). A Hybrid MPI/OpenMP Implementation of a Parallel 3-D FFT on SMP Clusters. In: Wyrzykowski, R., Dongarra, J., Meyer, N., Waśniewski, J. (eds) Parallel Processing and Applied Mathematics. PPAM 2005. Lecture Notes in Computer Science, vol 3911. Springer, Berlin, Heidelberg. https://doi.org/10.1007/11752578_117

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  • DOI: https://doi.org/10.1007/11752578_117

  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-540-34141-3

  • Online ISBN: 978-3-540-34142-0

  • eBook Packages: Computer ScienceComputer Science (R0)

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