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So the evolution optimizes over the encodings together with content, letting it find the encoding that is more suitable for further optimizations.
It’s a thought I have had for some time, highly likely it is well-known, the most similar thing I have found after quick googling seems to be meta-genetic programming introduced by Jürgen Schmidhuber (obviously) https://en.m.wikipedia.org/wiki/Genetic_programming …
Note that plain genetic programming is just genetic algorithms over some fixed encoding of programs, which is not the thing I am describing.
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