A Super-Logarithmic Lower Bound for Hypercubic Sorting Networks

  title={A Super-Logarithmic Lower Bound for Hypercubic Sorting Networks},
  author={C. Greg Plaxton and Torsten Suel},
Hypercubic sorting networks are a class of comparator networks whose structure maps eeciently to the hypercube and any of its bounded degree variants. Recently, n-input hypercubic sorting networks with depth 2 O(p lg lg n) lg n have been discovered. These networks are the only known sorting networks of depth o(lg 2 n) that are not based on expanders, and their existence raises the question of whether a depth of O(lg n) can be achieved by any hypercubic sorting network. In this paper, we resolve… CONTINUE READING

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A super-logarithmic lower bound for hypercubic sorting networks

C. G. Plaxton, T. Suel
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