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Software is Not Fragile

Langdon, WB; Petke, J; (2017) Software is Not Fragile. In: Bourgine, P and Collet, P and Parrend, P, (eds.) First Complex Systems Digital Campus World E-Conference 2015. (pp. pp. 203-211). Springer: Cham, Switzerland. Green open access

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Abstract

Trying all simple changes (first order mutations) to executed C, C++ and CUDA source code shows software engineering artefacts are more robust than is often assumed. Of those that compile, up to 89 % run without error. Indeed a few mutants are improvements. Program fitness landscapes are smoother. Analysis of these programs, a parallel nVidia GPGPU kernel, all CUDA samples and the GNU C library shows many lines of code and integer values are repeated and may follow Zipf’s law.

Type: Proceedings paper
Title: Software is Not Fragile
Event: First Complex Systems Digital Campus World E-Conference 2015
ISBN-13: 978-3-319-45900-4
Open access status: An open access version is available from UCL Discovery
DOI: 10.1007/978-3-319-45901-1_24
Publisher version: https://doi.org/10.1007/978-3-319-45901-1_24
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: Source Code, Program Code, Fitness Landscape, CUDA Code, Random Test Case
UCL classification: UCL > Provost and Vice Provost Offices
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/10074373
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