Abstract
The Single-Source Shortest Path (SSSP) problem arises in many different fields. In this paper we present a GPU-based version of the Crauser et al. SSSP algorithm. Our work significantly speeds up the computation of the SSSP, not only with respect to the CPU-based version, but also to other state-of-the-art GPU implementation based on Dijkstra, due to Martín et al. Both GPU implementations have been evaluated using the last Nvidia architecture (Kepler). Our experimental results show that the new GPU-Crauser algorithm leads to speed-ups from 13× to 220× with respect to the CPU version and a performance gain of up to 17% with respect the GPU-Martên algorithm.
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