Graph coloring on coarse grained multicomputers

  title={Graph coloring on coarse grained multicomputers},
  author={Assefaw Hadish Gebremedhin and Isabelle Gu{\'e}rin Lassous and Jens Gustedt and Jan Arne Telle},
  journal={Discrete Applied Mathematics},
We present an efficient and scalable Coarse Grained Multicomputer (CGM) coloring algorithm that colors a graph G with at most ∆+1 colors where ∆ is the maximum degree in G. This algorithm is given in two variants: a randomized and a deterministic. We show that on a p-processor CGM model the proposed algorithms require a parallel time of O( |G| p ) and a total work and overall communication cost of O(|G|). These bounds correspond to the average case for the randomized version and to the worst… CONTINUE READING


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