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pi2 movie, Evolution of both genotype and phenotypes

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Published on Jun 7, 2013

http://www.cs.mun.ca/~blangdon/gpu_gp...
Each frame of the animation contains 512x400 = 204800 individual programs.
The colour of each pixel represents how well the GPU (GTX 8800) approximates pi.
White crosses indicate exact (to within floating point precision) matches.
Right hand side is difference in program from optimal program.

See "A SIMD interpreter for Genetic Programming on GPU Graphics Cards", EuroGP 2008, pp73-85, LNCS 4971, doi:10.1007/978-3-540-78671-9_7

pi_movie shows accuracy of program

W. B. Langdon
Uploaded 7 June 2013

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