On the Effect of Mirroring in the IPOP Active CMA-ES on the Noiseless BBOB Testbed - Inria - Institut national de recherche en sciences et technologies du numérique Access content directly
Conference Papers Year : 2012

On the Effect of Mirroring in the IPOP Active CMA-ES on the Noiseless BBOB Testbed

Anne Auger
  • Function : Author
  • PersonId : 751513
  • IdHAL : anne-auger
Nikolaus Hansen

Abstract

Mirrored mutations and active covariance matrix adaptation are two recent ideas to improve the well-known covariance matrix adaptation evolution strategy (CMA-ES)---a state-of-the-art algorithm for numerical optimization. It turns out that both mechanisms can be implemented simultaneously. In this paper, we investigate the impact of mirrored mutations on the so-called IPOP active CMA-ES. We find that additional mirrored mutations improve the IPOP active CMA-ES statistically significantly, but by only a small margin, on several functions while never a statistically significant performance decline can be observed. Furthermore, experiments on different function instances with some algorithm parameters and stopping criteria changed reveal essentially the same results.
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Dates and versions

hal-00746123 , version 1 (27-10-2012)

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Dimo Brockhoff, Anne Auger, Nikolaus Hansen. On the Effect of Mirroring in the IPOP Active CMA-ES on the Noiseless BBOB Testbed. GECCO Companion '12, Jul 2012, Philadelphia, PA, United States. pp.277-284, ⟨10.1145/2330784.2330824⟩. ⟨hal-00746123⟩
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