28 lines
755 B
Python
28 lines
755 B
Python
import jax, jax.numpy as jnp
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from .. import BaseGene
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class BaseConnGene(BaseGene):
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"Base class for connection genes."
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fixed_attrs = ["input_index", "output_index"]
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def __init__(self):
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super().__init__()
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def crossover(self, state, randkey, gene1, gene2):
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return jnp.where(
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jax.random.normal(randkey, gene1.shape) > 0,
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gene1,
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gene2,
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)
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def forward(self, state, attrs, inputs):
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raise NotImplementedError
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def update_by_batch(self, state, attrs, batch_inputs):
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# default: do not update attrs, but to calculate batch_res
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return (
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jax.vmap(self.forward, in_axes=(None, None, 0))(state, attrs, batch_inputs),
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attrs,
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)
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