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Genetic improvement of data gives double precision invsqrt

Langdon, WB; (2019) Genetic improvement of data gives double precision invsqrt. In: (Proceedings) GECCO '19: the Genetic and Evolutionary Computation Conference Companion. (pp. pp. 1709-1714). : Proceedings of the Genetic and Evolutionary Computation Conference Companion. GECCO '19. Green open access

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Abstract

CMA-ES plus manual code changes rapidly transforms 512 Newton-Raphson start points from a GNU C library table driven version of sqrt into a double precision reciprocal square root function. The GI x^{-1/2} is far more accurate than Quake's InvSqrt, Quare root.

Type: Proceedings paper
Title: Genetic improvement of data gives double precision invsqrt
Event: GECCO '19: the Genetic and Evolutionary Computation Conference Companion
Location: Prague, Czech Republic
Dates: 13th-17th July 2019
ISBN-13: 978-1-4503-6748-6
Open access status: An open access version is available from UCL Discovery
DOI: 10.1145/3319619.3326800
Publisher version: https://doi.org/10.1145/3319619.3326800
Language: English
Additional information: This version is the author accepted manuscript. For information on re-use, please refer to the publisher's terms and conditions.
Keywords: evolutionary computing, Evolution Strategies, GGGP, search based software engineering, SBSE, software maintenance of literals, data transplantation, glibc, Newton’s method
UCL classification: UCL
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Computer Science
URI: https://discovery.ucl.ac.uk/id/eprint/10100134
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