コード例 #1
0
 def test_epils(self):
     taf = ExecuteTAFuncArray(ta=self.branin)
     epils = EPILS(self.scenario, tae_runner=taf)
     inc = epils.optimize()
     # not enough runs available to change the inc
     self.assertEqual(inc["x"], 2.5)
     self.assertEqual(inc["y"], 7.5)
コード例 #2
0
    def _main_cli(self):
        """Main function of SMAC for CLI interface
        
        Returns
        -------
        instance
            optimizer
        """
        self.logger.info("SMAC call: %s" % (" ".join(sys.argv)))

        cmd_reader = CMDReader()
        args, _ = cmd_reader.read_cmd()

        root_logger = logging.getLogger()
        root_logger.setLevel(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:%(message)s",
                "%Y-%m-%d %H:%M:%S")
        logger_handler.setFormatter(formatter)
        root_logger.addHandler(logger_handler)
        # remove default handler
        root_logger.removeHandler(root_logger.handlers[0])

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

        # Create scenario-object
        scen = Scenario(args.scenario_file, [])

        if args.mode == "SMAC":
            optimizer = SMAC(scenario=scen,
                             rng=np.random.RandomState(args.seed),
                             runhistory=rh,
                             initial_configurations=initial_configs,
                             stats=stats,
                             restore_incumbent=incumbent,
                             run_id=args.seed)
        elif args.mode == "ROAR":
            optimizer = ROAR(scenario=scen,
                             rng=np.random.RandomState(args.seed),
                             runhistory=rh,
                             initial_configurations=initial_configs,
                             run_id=args.seed)
        elif args.mode == "EPILS":
            optimizer = EPILS(scenario=scen,
                              rng=np.random.RandomState(args.seed),
                              runhistory=rh,
                              initial_configurations=initial_configs,
                              run_id=args.seed)
        else:
            optimizer = None

        return optimizer
コード例 #3
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 def test_rng(self):
     epils = EPILS(self.scenario, rng=None).solver
     self.assertIsInstance(epils.rng, np.random.RandomState)
     self.assertIsInstance(epils.num_run, int)
     epils = EPILS(self.scenario, rng=1).solver
     rng = np.random.RandomState(1)
     self.assertEqual(epils.num_run, 1)
     self.assertIsInstance(epils.rng, np.random.RandomState)
     epils = EPILS(self.scenario, rng=rng).solver
     self.assertIsInstance(epils.num_run, int)
     self.assertIs(epils.rng, rng)
     self.assertRaisesRegexp(TypeError,
                             "Unknown type <(class|type) 'str'> for argument "
                             'rng. Only accepts None, int or '
                             'np.random.RandomState',
                             EPILS, self.scenario, rng='BLA')
コード例 #4
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 def test_init_only_scenario_runtime(self):
     self.scenario.run_obj = 'runtime'
     self.scenario.cutoff = 300
     epils = EPILS(self.scenario).solver
     self.assertIsInstance(epils.model, RandomForestWithInstances)
     self.assertIsInstance(epils.rh2EPM, RunHistory2EPM4LogCost)
     self.assertIsInstance(epils.acquisition_func, LogEI)
コード例 #5
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 def test_abort_on_initial_design(self, patch):
     def target(x):
         return 5
     patch.side_effect = FirstRunCrashedException()
     scen = Scenario({'cs': test_helpers.get_branin_config_space(),
                      'run_obj': 'quality', 'output_dir': '',
                      'abort_on_first_run_crash': 1})
     epils = EPILS(scen, tae_runner=target, rng=1).solver
     self.assertRaises(FirstRunCrashedException, epils.run)
コード例 #6
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 def test_init_EIPS_as_arguments(self):
     for objective in ['runtime', 'quality']:
         self.scenario.run_obj = objective
         types, bounds = get_types(self.scenario.cs, None)
         umrfwi = UncorrelatedMultiObjectiveRandomForestWithInstances(
             ['cost', 'runtime'], types, bounds)
         eips = EIPS(umrfwi)
         rh2EPM = RunHistory2EPM4EIPS(self.scenario, 2)
         epils = EPILS(self.scenario, model=umrfwi, acquisition_function=eips,
                     runhistory2epm=rh2EPM).solver
         self.assertIs(umrfwi, epils.model)
         self.assertIs(eips, epils.acquisition_func)
         self.assertIs(rh2EPM, epils.rh2EPM)
コード例 #7
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 def test_init_only_scenario_quality(self):
     epils = EPILS(self.scenario).solver
     self.assertIsInstance(epils.model, RandomForestWithInstances)
     self.assertIsInstance(epils.rh2EPM, RunHistory2EPM4Cost)
     self.assertIsInstance(epils.acquisition_func, EI)
コード例 #8
0
    def main_cli(self, commandline_arguments: typing.List[str] = 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:%(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)
            rh, stats, traj_list_aclib, traj_list_old = self.restore_state(
                scen, main_args_)

            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:
            aggregate_func = average_cost
            rh = RunHistory(aggregate_func=aggregate_func)

            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,
                aggregate_func=aggregate_func)

        if main_args_.warmstart_incumbent:
            initial_configs = [scen.cs.get_default_configuration()]
            for traj_fn in main_args_.warmstart_incumbent:
                trajectory = TrajLogger.read_traj_aclib_format(fn=traj_fn,
                                                               cs=scen.cs)
                initial_configs.append(trajectory[-1]["incumbent"])

        if main_args_.mode == "SMAC":
            optimizer = SMAC(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 == "BORF":
            optimizer = BORF(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 == "BOGP":
            optimizer = BOGP(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 == "EPILS":
            optimizer = EPILS(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)
コード例 #9
0
    def main_cli(self):
        """Main function of SMAC for CLI interface"""
        self.logger.info("SMAC call: %s" % (" ".join(sys.argv)))

        cmd_reader = CMDReader()
        args_, misc_args = cmd_reader.read_cmd()

        root_logger = logging.getLogger()
        root_logger.setLevel(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:%(message)s",
                "%Y-%m-%d %H:%M:%S")
        logger_handler.setFormatter(formatter)
        root_logger.addHandler(logger_handler)
        # remove default handler
        root_logger.removeHandler(root_logger.handlers[0])

        scen = Scenario(args_.scenario_file, misc_args,
                        run_id=args_.seed)

        rh = None
        if args_.warmstart_runhistory:
            aggregate_func = average_cost
            rh = RunHistory(aggregate_func=aggregate_func)

            scen, rh = merge_foreign_data_from_file(
                scenario=scen,
                runhistory=rh,
                in_scenario_fn_list=args_.warmstart_scenario,
                in_runhistory_fn_list=args_.warmstart_runhistory,
                cs=scen.cs,
                aggregate_func=aggregate_func)

        initial_configs = None
        if args_.warmstart_incumbent:
            initial_configs = [scen.cs.get_default_configuration()]
            for traj_fn in args_.warmstart_incumbent:
                trajectory = TrajLogger.read_traj_aclib_format(
                    fn=traj_fn, cs=scen.cs)
                initial_configs.append(trajectory[-1]["incumbent"])

        if args_.mode == "SMAC":
            optimizer = SMAC(
                scenario=scen,
                rng=np.random.RandomState(args_.seed),
                runhistory=rh,
                initial_configurations=initial_configs)
        elif args_.mode == "ROAR":
            optimizer = ROAR(
                scenario=scen,
                rng=np.random.RandomState(args_.seed),
                runhistory=rh,
                initial_configurations=initial_configs)
        elif args_.mode == "EPILS":
            optimizer = EPILS(
                scenario=scen,
                rng=np.random.RandomState(args_.seed),
                runhistory=rh,
                initial_configurations=initial_configs)
        try:
            optimizer.optimize()
        except (TAEAbortException, FirstRunCrashedException) as err:
            self.logger.error(err)