A decomposition for in-place matrix transposition

@inproceedings{Catanzaro2014ADF,
  title={A decomposition for in-place matrix transposition},
  author={Bryan Catanzaro and Alexander Keller and Michael Garland},
  booktitle={PPOPP},
  year={2014}
}
We describe a decomposition for in-place matrix transposition, with applications to Array of Structures memory accesses on SIMD processors. Traditional approaches to in-place matrix transposition involve cycle following, which is difficult to parallelize, and on matrices of dimension m by n require O(mn log mn) work when limited to less than O(mn) auxiliary space. Our decomposition allows the rows and columns to be operated on independently during in-place transposition, reducing work… CONTINUE READING
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Data layout transformation through in-place transposition

  • I.-J. Sung
  • PhD thesis, University of Illinois, Department of…
  • 2013
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