Example #1
0
    def test_default_proxy_is_progress_proxy(self):
        driver_factory, _ = prepare("NSGAII", "ZDT1")
        driver = driver_factory()

        for _ in range(3):
            with self.subTest():
                proxy = driver.next_step()
                self.assertIsInstance(proxy, ProgressMessage)
                self.assertEqual(proxy.step_no, driver.step_no - 1)
                self.assertEqual(proxy.cost, driver.cost)
Example #2
0
    def run(self):
        log_helper.init()
        logger = logging.getLogger(__name__)
        logger.info(
            "Starting the worker. PID: %d, simulation case: %s",
            os.getpid(),
            self.simulation,
        )

        if self.simulation.renice and os.name == "posix":
            logger.debug("Renice the process PID:%s by %s", os.getpid(),
                         self.simulation)
            os.nice(int(self.simulation.renice))  # pylint: disable=no-member

        self._init_random_seed(logger)

        driver = None
        try:
            final_driver, problem_mod = factory.prepare(
                self.simulation.algorithm_name, self.simulation.problem_name)

            logger.debug("Creating the driver used to perform computation")
            driver = final_driver()
            proc_time = []
            logger.debug("Beginning processing of %s, simulation: %s", driver,
                         self.simulation)
            with log_time(
                    process_time,
                    logger,
                    "Processing done in {time_res}s CPU time",
                    out=proc_time,
            ):
                results = self.run_driver(driver, problem_mod, logger)

            return results, proc_time[-1], self.simulation_no

        except NotViableConfiguration as e:
            reason = inspect.trace()[-1]
            logger.info(
                "Configuration disabled by %s:%d:%s. simulation case:%s",
                reason[1],
                reason[2],
                reason[3],
                self.simulation,
            )
            logger.debug("Configuration disabled args:%s. Stack:", exc_info=e)

        except Exception as e:
            logger.exception("Some error", exc_info=e)

        finally:
            if driver:
                driver.shutdown()
            logger.debug("Finished processing. simulation case:%s",
                         self.simulation)
Example #3
0
    def test_steps(self):
        final_driver, problem_mod = prepare("HGS+NSGAII", "ZDT1")
        print(final_driver())

        hgs = final_driver()

        steps = [0, 1, 3]

        for steps_no in steps:
            with self.subTest(steps_no=steps_no):
                steps_run = StepsRun(steps_no)

                results = []
                steps_run.create_job(hgs).subscribe(
                    lambda result: results.append(result))

                self.assertEqual(len(results), steps_no)
Example #4
0
    def test_results_number_is_correct(self):
        steps = [0, 1, 3]

        for steps_no in steps:
            with self.subTest(steps_no=steps_no):
                final_driver, problem_mod = prepare("IMGA+NSGAII", "ZDT1")
                print(final_driver())

                imga = final_driver()

                steps_run = StepsRun(steps_no)

                results = []
                steps_run.create_job(imga).subscribe(
                    lambda proxy: results.append(proxy))

                self.assertEqual(len(results), steps_no)
Example #5
0
    def test_create_and_run_all_supported_algorithms(self):
        sys = ActorSystem("multiprocTCPBase", logDefs=log_helper.EVOGIL_LOG_CONFIG)
        test_cases = run_config.algorithms
        for test_case in test_cases:
            with self.subTest(algorithm=test_case):
                algo_factory, _ = prepare(test_case, "ZDT1")
                algorithm = algo_factory()

                simple_simulation = StepsRun(1)
                result = list(
                    simple_simulation.create_job(algorithm)
                    .pipe(ops.subscribe_on(NewThreadScheduler()), ops.to_iterable())
                    .run()
                )
                self.assertEqual(1, len(result))
                self.assertIsInstance(result[0], ProgressMessage)
        sys.shutdown()
Example #6
0
    def test_imga_cost_calculation(self):
        final_driver, problem_mod = prepare("IMGA+NSGAII", "ZDT1")

        imga = final_driver()

        steps_run = StepsRun(4)

        total_costs = []
        islands_costs = []

        def on_imga_result(result):
            total_costs.append(result.cost),
            islands_costs.append(
                sum([island.driver.cost for island in imga.islands]))

        steps_run.create_job(imga).pipe(
            ops.subscribe_on(NewThreadScheduler()),
            ops.do_action(on_next=on_imga_result),
        ).run()

        self.assertListEqual(total_costs, islands_costs)