1. A GPU-Based Genetic Algorithm for the P-Median Problem
- Author
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AlBdaiwi, Bader F. and AboElFotoh, Hosam M. F.
- Subjects
Computer Science - Distributed, Parallel, and Cluster Computing - Abstract
The p-median problem is a well-known NP-hard problem. Many heuristics have been proposed in the literature for this problem. In this paper, we exploit a GPGPU parallel computing platform to present a new genetic algorithm implemented in Cuda and based on a Pseudo Boolean formulation of the p-median problem. We have tested the effectiveness of our algorithm using a Tesla K40 (2880 Cuda cores) on 290 different benchmark instances obtained from OR-Library, discrete location problems benchmark library, and benchmarks introduced in recent publications. The algorithm succeeded in finding optimal solutions for all instances except for two OR-library instances, namely pmed30 and pmed40, where better than 99.9\% approximations were obtained.
- Published
- 2016
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