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Fully-coherent all-sky search for gravitational wave (GW) signals from thecoalescence of compact object binaries is a computationally expensive task.Approximations, such as semi-coherent coincidence searches, are currently usedto circumvent the computational barrier with a concomitant loss in sensitivity.We explore the effectiveness of Particle Swarm Optimization (PSO) in addressingthis problem. Our results, using a simulated network of detectors with initialLIGO design sensitivities and a realistic signal strength, show that PSO cansuccessfully deliver a fully-coherent all-sky search with < 1/10 the number oflikelihood evaluations needed for a grid-based search.

Performance of Particle Swarm Optimization on the fully-coherent all-sky search for gravitational waves from compact binary coalescences