A scalable distance-1 vertex coloring algorithm for power-law graphs
2018
We propose a distributed, unordered, label-correcting distance-1 vertex coloring algorithm, called Distributed Control (DC) coloring algorithm. DC eliminates the need for vertex-centric barriers and global synchronization for color refinement, relying only on atomic operations and local termination detection to update vertex color. We implement our DC coloring algorithm and the well-known Jones-Plassmann algorithm in the AM++ AMT runtime and compare their performance. We show that, with runtime support, the elimination of waiting time of vertex-centric barriers and investing this time for local ordering results in better execution time for power-law graphs with dense local subgraphs.
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