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neatj's Introduction

NeuroEvolution of Augmenting Topologies in Java Build Status

An implementation of NEAT in Java.

Usage

XORTest contains an example of a NEAT experiment. GeneticAlgorithmTest contains an example of a genetic algorithm-based experiment. PersistenceTest contains another example of a NEAT experiment, which outlines usage of persistence/parallelism capabilities in NEATJ.

Credits

Generally inspired by the tinyai repository.

neatj's People

Contributors

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Watchers

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neatj's Issues

XOR generation count

XOR should theoretically be solved in less than 30 generations. Unsure as to why it takes so long.

Need faster recurrence detection

Possibly an open problem in network topology research - Additive cycle detection on directed acyclic graph. Trivial without node addition, but node addition has to be supported (and crossover!). This makes each crossover an O(N) operation to recalculate the topology, and/or each node addition a potential guess as to an insertion point into the topology. For now, just detecting recurrence on link addition.

Genome bloat

Genomes are bloating as generations pass, which is not supposed to happen. Why is this??

Java 15 record class persistence broken

In Java 15, record classes can no longer have their members accessed through reflection. This breaks GSON's deserialization of record classes, because GSON sets each member individually.

Gene ordering

Genes may need to be ordered according to number, instead of encounter order

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