Files
tensorneat-mend/algorithm/neat/NEAT.py
2023-07-17 19:59:46 +08:00

51 lines
1.5 KiB
Python

import jax
from algorithm.state import State
from .gene import *
from .genome import initialize_genomes, create_mutate, create_distance, crossover
class NEAT:
def __init__(self, config):
self.config = config
if self.config['gene_type'] == 'normal':
self.gene_type = NormalGene
else:
raise NotImplementedError
self.mutate = jax.jit(create_mutate(config, self.gene_type))
self.distance = jax.jit(create_distance(config, self.gene_type))
self.crossover = jax.jit(crossover)
def setup(self, randkey):
state = State(
randkey=randkey,
P=self.config['pop_size'],
N=self.config['maximum_nodes'],
C=self.config['maximum_connections'],
S=self.config['maximum_species'],
NL=1 + len(self.gene_type.node_attrs), # node length = (key) + attributes
CL=3 + len(self.gene_type.conn_attrs), # conn length = (in, out, key) + attributes
input_idx=self.config['input_idx'],
output_idx=self.config['output_idx']
)
state = self.gene_type.setup(state, self.config)
pop_nodes, pop_conns = initialize_genomes(state, self.gene_type)
next_node_key = max(*state.input_idx, *state.output_idx) + 2
state = state.update(
pop_nodes=pop_nodes,
pop_conns=pop_conns,
next_node_key=next_node_key
)
return state
def tell(self, state, fitness):
return State()
def ask(self, state):
return State()