def _register_variants(self, rebuild_grammar=True):
clear_all_experiments()
if rebuild_grammar:
for experiment_name, experiment in self.experiment_db.get_all():
Grammar.construct(experiment['grammar_version'],
experiment['function_provider'],
experiment['experiment_id'])
self.run_evolution.variants = OrderedDict(
) # for some reason, Artemis doesn't clear this
for experiment_name, experiment in self.experiment_db.get_all():
self.run_evolution.add_variant(variant_name=experiment_name,
**experiment)
self.variants = self.run_evolution.get_variants()
def build_genetic_program(data, function_provider, db_record):
grammar = Grammar.construct(
grammar_name=db_record['grammar_version'],
function_provider=function_provider,
ephemeral_suffix=db_record['experiment_id'])
genetic_program = GeneticProgram(
data_collection=data,
function_provider=function_provider,
grammar=grammar,
fitness_function=db_record['fitness_function'],
tree_depth=db_record['tree_depth'],
order_generator=db_record['order_generator'])
return genetic_program
def run_evolution(experiment_id, data, function_provider, grammar_version,
fitness_function, mating_prob, mutation_prob,
population_size, num_generations, premade_individuals,
order_generator, tree_depth, reseed_params):
grammar = Grammar.construct(grammar_version,
function_provider,
ephemeral_suffix=experiment_id)
genetic_program = GeneticProgram(
data_collection=data,
function_provider=function_provider,
grammar=grammar,
fitness_function=fitness_function,
premade_individuals=premade_individuals,
order_generator=order_generator,
tree_depth=tree_depth,
reseed_params=reseed_params)
hof, best = genetic_program.evolve(mating_prob,
mutation_prob,
population_size,
num_generations,
verbose=False)
return hof, best
