Beispiel #1
0
 def test_hydra(self):
     optimizer = Hydra(self.scenario, n_iterations=3)
     portfolio = optimizer.optimize()
     self.assertEqual(len(portfolio), 3)
Beispiel #2
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 def test_hydra_mip(self):
     optimizer = Hydra(self.scenario, n_iterations=3, incs_per_round=2)
     portfolio = optimizer.optimize()
     self.assertEqual(len(portfolio), 6)
Beispiel #3
0
    def main_cli(
        self,
        commandline_arguments: typing.Optional[typing.List[str]] = None
    ) -> None:
        """Main function of SMAC for CLI interface"""
        self.logger.info("SMAC call: %s" % (" ".join(sys.argv)))

        cmd_reader = CMDReader()
        kwargs = {}
        if commandline_arguments:
            kwargs['commandline_arguments'] = commandline_arguments
        main_args_, smac_args_, scen_args_ = cmd_reader.read_cmd(**kwargs)

        root_logger = logging.getLogger()
        root_logger.setLevel(main_args_.verbose_level)
        logger_handler = logging.StreamHandler(stream=sys.stdout)
        if root_logger.level >= logging.INFO:
            formatter = logging.Formatter("%(levelname)s:\t%(message)s")
        else:
            formatter = logging.Formatter(
                "%(asctime)s:%(levelname)s:%(name)s:\t%(message)s",
                "%Y-%m-%d %H:%M:%S")
        logger_handler.setFormatter(formatter)
        root_logger.addHandler(logger_handler)
        # remove default handler
        if len(root_logger.handlers) > 1:
            root_logger.removeHandler(root_logger.handlers[0])

        # Create defaults
        rh = None
        initial_configs = None
        stats = None
        incumbent = None

        # Create scenario-object
        scenario = {}
        scenario.update(vars(smac_args_))
        scenario.update(vars(scen_args_))
        scen = Scenario(scenario=scenario)

        # Restore state
        if main_args_.restore_state:
            root_logger.debug("Restoring state from %s...",
                              main_args_.restore_state)
            restore_state = main_args_.restore_state
            rh, stats, traj_list_aclib, traj_list_old = self.restore_state(
                scen, restore_state)

            scen.output_dir_for_this_run = create_output_directory(
                scen,
                main_args_.seed,
                root_logger,
            )
            scen.write()
            incumbent = self.restore_state_after_output_dir(
                scen, stats, traj_list_aclib, traj_list_old)

        if main_args_.warmstart_runhistory:
            rh = RunHistory()

            scen, rh = merge_foreign_data_from_file(
                scenario=scen,
                runhistory=rh,
                in_scenario_fn_list=main_args_.warmstart_scenario,
                in_runhistory_fn_list=main_args_.warmstart_runhistory,
                cs=scen.cs,  # type: ignore[attr-defined] # noqa F821
            )

        if main_args_.warmstart_incumbent:
            initial_configs = [scen.cs.get_default_configuration()
                               ]  # type: ignore[attr-defined] # noqa F821
            for traj_fn in main_args_.warmstart_incumbent:
                trajectory = TrajLogger.read_traj_aclib_format(
                    fn=traj_fn,
                    cs=scen.cs,  # type: ignore[attr-defined] # noqa F821
                )
                initial_configs.append(trajectory[-1]["incumbent"])

        if main_args_.mode == "SMAC4AC":
            optimizer = SMAC4AC(scenario=scen,
                                rng=np.random.RandomState(main_args_.seed),
                                runhistory=rh,
                                initial_configurations=initial_configs,
                                stats=stats,
                                restore_incumbent=incumbent,
                                run_id=main_args_.seed)
        elif main_args_.mode == "SMAC4HPO":
            optimizer = SMAC4HPO(scenario=scen,
                                 rng=np.random.RandomState(main_args_.seed),
                                 runhistory=rh,
                                 initial_configurations=initial_configs,
                                 stats=stats,
                                 restore_incumbent=incumbent,
                                 run_id=main_args_.seed)
        elif main_args_.mode == "SMAC4BB":
            optimizer = SMAC4BB(scenario=scen,
                                rng=np.random.RandomState(main_args_.seed),
                                runhistory=rh,
                                initial_configurations=initial_configs,
                                stats=stats,
                                restore_incumbent=incumbent,
                                run_id=main_args_.seed)
        elif main_args_.mode == "ROAR":
            optimizer = ROAR(scenario=scen,
                             rng=np.random.RandomState(main_args_.seed),
                             runhistory=rh,
                             initial_configurations=initial_configs,
                             run_id=main_args_.seed)
        elif main_args_.mode == "Hydra":
            optimizer = Hydra(
                scenario=scen,
                rng=np.random.RandomState(main_args_.seed),
                runhistory=rh,
                initial_configurations=initial_configs,
                stats=stats,
                restore_incumbent=incumbent,
                run_id=main_args_.seed,
                random_configuration_chooser=main_args_.
                random_configuration_chooser,
                n_iterations=main_args_.hydra_iterations,
                val_set=main_args_.hydra_validation,
                incs_per_round=main_args_.hydra_incumbents_per_round,
                n_optimizers=main_args_.hydra_n_optimizers)
        elif main_args_.mode == "PSMAC":
            optimizer = PSMAC(
                scenario=scen,
                rng=np.random.RandomState(main_args_.seed),
                run_id=main_args_.seed,
                shared_model=smac_args_.shared_model,
                validate=main_args_.psmac_validate,
                n_optimizers=main_args_.hydra_n_optimizers,
                n_incs=main_args_.hydra_incumbents_per_round,
            )
        try:
            optimizer.optimize()
        except (TAEAbortException, FirstRunCrashedException) as err:
            self.logger.error(err)