Now showing items 1-2 of 2

  • Dalcin, Lisandro; Mortensen, Mikael; Keyes, David (Journal article / Tidsskriftartikkel / AcceptedVersion; Peer reviewed, 2019)
    We present a new method for performing global redistributions of multidimensional arrays essential to parallel fast Fourier (or similar) transforms. Traditional methods use standard all-to-all collective communication of ...
  • Mortensen, Mikael; Dalcin, Lisandro; Keyes, David (Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2019)
    The fast Fourier transform (FFT) is an algorithm that efficiently computes the discrete Fourier transform. Since the dawn of our digital society, the FFT has permeated to the heart of everyday life applications involving ...