hyper neat

examples/xor_hyperNEAT.py

@@ -0,0 +1,49 @@
+import jax
+import numpy as np
+
+from config import Config, BasicConfig, NeatConfig
+from pipeline import Pipeline
+from algorithm import NEAT, RecurrentGene, RecurrentGeneConfig
+from algorithm import HyperNEAT, NormalSubstrate, NormalSubstrateConfig
+
+
+xor_inputs = np.array([[0, 0], [0, 1], [1, 0], [1, 1]], dtype=np.float32)
+xor_outputs = np.array([[0], [1], [1], [0]], dtype=np.float32)
+
+
+def evaluate(forward_func):
+    """
+    :param forward_func: (4: batch, 2: input size) -> (pop_size, 4: batch, 1: output size)
+    :return:
+    """
+    outs = forward_func(xor_inputs)
+    outs = jax.device_get(outs)
+    fitnesses = 4 - np.sum((outs - xor_outputs) ** 2, axis=(1, 2))
+    return fitnesses
+
+
+if __name__ == '__main__':
+    config = Config(
+        basic=BasicConfig(
+            fitness_target=3.99999,
+            pop_size=1000
+        ),
+        neat=NeatConfig(
+            network_type="recurrent",
+            maximum_nodes=50,
+            maximum_conns=100,
+            inputs=4,
+            outputs=1
+
+        ),
+        gene=RecurrentGeneConfig(
+            activation_default="tanh",
+            activation_options=("tanh", ),
+        ),
+        substrate=NormalSubstrateConfig(),
+    )
+    neat = NEAT(config, RecurrentGene)
+    hyperNEAT = HyperNEAT(config, neat, NormalSubstrate)
+
+    pipeline = Pipeline(config, hyperNEAT)
+    pipeline.auto_run(evaluate)