Exemplo n.º 1
0
    def __init__(self,
                 signature: ProgramSignature,
                 evaluator: Evaluator,
                 spawner: GeneSpawner,
                 selection: Union[Selector, DiscreteProbDistrib,
                                  str] = "lexicase",
                 variation: Union[VariationOperator, DiscreteProbDistrib,
                                  str] = "umad",
                 population_size: int = 500,
                 max_generations: int = 100,
                 error_threshold: float = 0.0,
                 initial_genome_size: Tuple[int, int] = (10, 50),
                 simplification_steps: int = 2000,
                 parallelism: Union[int, bool] = True,
                 verbose: int = 0,
                 **kwargs):
        self.signature = signature
        self.evaluator = evaluator
        self.spawner = spawner
        self.population_size = population_size
        self.max_generations = max_generations
        self.error_threshold = error_threshold
        self.initial_genome_size = initial_genome_size
        self.simplification_steps = simplification_steps
        self.verbose = verbose
        self.ext = kwargs
        set_verbosity(self.verbose)

        self.parallel_context = None
        if isinstance(parallelism, bool):
            if parallelism:
                self.parallel_context = ParallelContext(spawner, evaluator)
        elif parallelism > 1:
            self.parallel_context = ParallelContext(spawner, evaluator,
                                                    parallelism)

        if isinstance(selection, Selector):
            self.selection = DiscreteProbDistrib().add(selection, 1.0)
        elif isinstance(selection, DiscreteProbDistrib):
            self.selection = selection
        else:
            selector = get_selector(selection, **self.ext)
            self.selection = DiscreteProbDistrib().add(selector, 1.0)

        if isinstance(variation, VariationOperator):
            self.variation = DiscreteProbDistrib().add(variation, 1.0)
        elif isinstance(variation, DiscreteProbDistrib):
            self.variation = variation
        else:
            variation_op = get_variation_operator(variation, **self.ext)
            self.variation = DiscreteProbDistrib().add(variation_op, 1.0)
Exemplo n.º 2
0
    def __init__(self,
                 evaluator: Evaluator,
                 spawner: GeneSpawner,
                 selection: Union[Selector, DiscreteProbDistrib,
                                  str] = "lexicase",
                 variation: Union[VariationOperator, DiscreteProbDistrib,
                                  str] = "umad",
                 population_size: int = 500,
                 max_generations: int = 100,
                 error_threshold: float = 0.0,
                 initial_genome_size: Tuple[int, int] = (10, 50),
                 simplification_steps: int = 2000,
                 verbosity_config: Union[VerbosityConfig, str] = "default",
                 **kwargs):
        self.evaluator = evaluator
        self.spawner = spawner
        self.population_size = population_size
        self.max_generations = max_generations
        self.error_threshold = error_threshold
        self.initial_genome_size = initial_genome_size
        self.simplification_steps = simplification_steps
        self.ext = kwargs

        if isinstance(selection, Selector):
            self._selection = DiscreteProbDistrib().add(selection, 1.0)
        elif isinstance(selection, DiscreteProbDistrib):
            self._selection = selection
        else:
            selector = get_selector(selection, **self.ext)
            self._selection = DiscreteProbDistrib().add(selector, 1.0)

        if isinstance(variation, VariationOperator):
            self._variation = DiscreteProbDistrib().add(variation, 1.0)
        elif isinstance(variation, DiscreteProbDistrib):
            self._variation = variation
        else:
            variationOp = get_variation_operator(variation, **self.ext)
            self._variation = DiscreteProbDistrib().add(variationOp, 1.0)

        if verbosity_config == "default":
            self.verbosity_config = DEFAULT_VERBOSITY_LEVELS[0]
        else:
            self.verbosity_config = verbosity_config
Exemplo n.º 3
0
Arquivo: search.py Projeto: erp12/Pysh
    def __init__(self,
                 evaluator: Evaluator,
                 spawner: GeneSpawner,
                 selection: Union[Selector, DiscreteProbDistrib, str] = "lexicase",
                 variation: Union[VariationOperator, DiscreteProbDistrib, str] = "umad",
                 population_size: int = 500,
                 max_generations: int = 100,
                 error_threshold: float = 0.0,
                 initial_genome_size: Tuple[int, int] = (10, 50),
                 simplification_steps: int = 2000,
                 verbosity_config: Union[VerbosityConfig, str] = "default",
                 **kwargs):
        self.evaluator = evaluator
        self.spawner = spawner
        self.population_size = population_size
        self.max_generations = max_generations
        self.error_threshold = error_threshold
        self.initial_genome_size = initial_genome_size
        self.simplification_steps = simplification_steps
        self.ext = kwargs

        if isinstance(selection, Selector):
            self._selection = DiscreteProbDistrib().add(selection, 1.0)
        elif isinstance(selection, DiscreteProbDistrib):
            self._selection = selection
        else:
            selector = get_selector(selection, **self.ext)
            self._selection = DiscreteProbDistrib().add(selector, 1.0)

        if isinstance(variation, VariationOperator):
            self._variation = DiscreteProbDistrib().add(variation, 1.0)
        elif isinstance(variation, DiscreteProbDistrib):
            self._variation = variation
        else:
            variationOp = get_variation_operator(variation, **self.ext)
            self._variation = DiscreteProbDistrib().add(variationOp, 1.0)

        if verbosity_config == "default":
            self.verbosity_config = DEFAULT_VERBOSITY_LEVELS[0]
        else:
            self.verbosity_config = verbosity_config
        self.verbosity_config._update_log_level()
Exemplo n.º 4
0
    def _build_search_algo(self):
        if isinstance(self.variation_strategy, dict):
            var_strat = vr.VariationStrategy()
            for op_name, prob in self.variation_strategy.items():
                var_op = vr.get_variation_operator(op_name)
                if not isinstance(var_op, vr.VariationOperator):
                    var_op = self._build_component(var_op)
                var_strat.add(var_op, prob)
            self.variation_strategy = var_strat

        search_config = sr.SearchConfiguration(
            spawner=self.spawner,
            evaluator=self.evaluator,
            selection=self.selector,
            variation=self.variation_strategy,
            population_size=self.population_size,
            max_generations=self.max_generations,
            initial_genome_size=self.initial_genome_size,
            simplification_steps=self.simplification_steps,
            verbosity_config=self.verbosity_config
        )
        self.search = sr.get_search_algo(self._search_name, config=search_config, **self.ext)
Exemplo n.º 5
0
    def _build_search_algo(self):
        if isinstance(self.variation_strategy, dict):
            var_strat = vr.VariationStrategy()
            for op_name, prob in self.variation_strategy.items():
                var_op = vr.get_variation_operator(op_name)
                var_strat.add(var_op, prob)
            self.variation_strategy = var_strat

        search_config = sr.SearchConfiguration(
            signature=self.signature,
            spawner=self.spawner,
            evaluator=self.evaluator,
            selection=self.selector,
            variation=self.variation_strategy,
            population_size=self.population_size,
            max_generations=self.max_generations,
            initial_genome_size=self.initial_genome_size,
            simplification_steps=self.simplification_steps,
            parallelism=self.parallelism,
            push_config=self.push_config)
        self.search = sr.get_search_algo(self._search_name,
                                         config=search_config,
                                         **self.ext)
Exemplo n.º 6
0
    def _build_search_algo(self):
        if isinstance(self.variation_strategy, dict):
            var_strat = vr.VariationStrategy()
            for op_name, prob in self.variation_strategy.items():
                var_op = vr.get_variation_operator(op_name)
                if not isinstance(var_op, vr.VariationOperator):
                    var_op = self._build_component(var_op)
                var_strat.add(var_op, prob)
            self.variation_strategy = var_strat

        search_config = sr.SearchConfiguration(
            spawner=self.spawner,
            evaluator=self.evaluator,
            selection=self.selector,
            variation=self.variation_strategy,
            population_size=self.population_size,
            max_generations=self.max_generations,
            initial_genome_size=self.initial_genome_size,
            simplification_steps=self.simplification_steps,
            verbosity_config=DEFAULT_VERBOSITY_LEVELS[self.verbose])
        self.search = sr.get_search_algo(self._search_name,
                                         config=search_config,
                                         **self.ext)