コード例 #1
0
    def test_debug_print_option_totals(self):

        prob = Problem()
        model = prob.model = Group()

        model.add_subsystem('p1', IndepVarComp('x', 50.0), promotes=['*'])
        model.add_subsystem('p2', IndepVarComp('y', 50.0), promotes=['*'])
        model.add_subsystem('comp', Paraboloid(), promotes=['*'])
        model.add_subsystem('con', ExecComp('c = - x + y'), promotes=['*'])

        prob.set_solver_print(level=0)

        prob.driver = ScipyOptimizeDriver()
        prob.driver.options['optimizer'] = 'SLSQP'
        prob.driver.options['tol'] = 1e-9
        prob.driver.options['disp'] = False

        prob.driver.options['debug_print'] = ['totals']

        model.add_design_var('x', lower=-50.0, upper=50.0)
        model.add_design_var('y', lower=-50.0, upper=50.0)
        model.add_objective('f_xy')
        model.add_constraint('c', upper=-15.0)

        prob.setup(check=False)

        failed, output = run_driver(prob)

        self.assertFalse(failed, "Optimization failed.")

        self.assertTrue('Solving variable: comp.f_xy' in output)
        self.assertTrue('Solving variable: con.c' in output)
コード例 #2
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    def test_proc_per_model(self):
        # Test that we can run a GA on a distributed component without lockups.
        prob = om.Problem()
        model = prob.model

        model.add_subsystem('p', om.IndepVarComp('x', 3.0), promotes=['x'])

        model.add_subsystem('d1', D1(), promotes=['*'])
        model.add_subsystem('d2', D2(), promotes=['*'])

        model.add_subsystem('obj_comp', Summer(), promotes_outputs=['*'])
        model.promotes('obj_comp', inputs=['*'], src_indices=om.slicer[:])
        model.nonlinear_solver = om.NewtonSolver(solve_subsystems=True)
        model.linear_solver = om.LinearBlockGS()

        model.add_design_var('x', lower=-0.5, upper=0.5)
        model.add_objective('obj')

        driver = prob.driver = om.DifferentialEvolutionDriver()
        driver.options['pop_size'] = 4
        driver.options['max_gen'] = 3
        driver.options['run_parallel'] = True
        driver.options['procs_per_model'] = 2

        # also check that parallel recording works
        driver.add_recorder(om.SqliteRecorder("cases.sql"))

        prob.setup()
        prob.set_solver_print(level=0)

        failed, output = run_driver(prob)

        self.assertFalse(failed)

        # we will have run 2 models in parallel on our 4 procs
        num_models = prob.comm.size // driver.options['procs_per_model']
        self.assertEqual(num_models, 2)

        # a separate case file should have been written by rank 0 of each parallel model
        # (the top two global ranks)
        rank = prob.comm.rank
        filename = "cases.sql_%d" % rank

        if rank < num_models:
            expect_msg = "Cases from rank %d are being written to %s." % (
                rank, filename)
            self.assertTrue(expect_msg in output)

            cr = om.CaseReader(filename)
            cases = cr.list_cases('driver')

            # check that cases were recorded on this proc
            num_cases = len(cases)
            self.assertTrue(num_cases > 0)
        else:
            self.assertFalse("Cases from rank %d are being written" %
                             rank in output)
            self.assertFalse(os.path.exists(filename))
コード例 #3
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    def test_debug_print_option(self):

        prob = Problem()
        model = prob.model = Group()

        model.add_subsystem('p1', IndepVarComp('x', 50.0), promotes=['*'])
        model.add_subsystem('p2', IndepVarComp('y', 50.0), promotes=['*'])
        model.add_subsystem('comp', Paraboloid(), promotes=['*'])
        model.add_subsystem('con', ExecComp('c = - x + y'), promotes=['*'])

        prob.set_solver_print(level=0)

        prob.driver = ScipyOptimizeDriver()
        prob.driver.options['optimizer'] = 'SLSQP'
        prob.driver.options['tol'] = 1e-9
        prob.driver.options['disp'] = False

        prob.driver.options['debug_print'] = [
            'desvars', 'ln_cons', 'nl_cons', 'objs'
        ]

        model.add_design_var('x', lower=-50.0, upper=50.0)
        model.add_design_var('y', lower=-50.0, upper=50.0)
        model.add_objective('f_xy')
        model.add_constraint('c', upper=-15.0)

        prob.setup(check=False)

        failed, output = run_driver(prob)

        self.assertFalse(failed, "Optimization failed.")

        output = output.split('\n')

        self.assertTrue(
            output.count("Design Vars") > 1,
            "Should be more than one design vars header printed")
        self.assertTrue(
            output.count("Nonlinear constraints") > 1,
            "Should be more than one nonlinear constraint header printed")
        self.assertTrue(
            output.count("Linear constraints") > 1,
            "Should be more than one linear constraint header printed")
        self.assertTrue(
            output.count("Objectives") > 1,
            "Should be more than one objective header printed")
        self.assertTrue(
            len([s for s in output if s.startswith("{'p1.x")]) > 1,
            "Should be more than one p1.x printed")
        self.assertTrue(
            len([s for s in output if "'p2.y'" in s]) > 1,
            "Should be more than one p2.y printed")
        self.assertTrue(
            len([s for s in output if s.startswith("{'con.c")]) > 1,
            "Should be more than one con.c printed")
        self.assertTrue(
            len([s for s in output if s.startswith("{'comp.f_xy")]) > 1,
            "Should be more than one comp.f_xy printed")
コード例 #4
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    def test_full_factorial(self):
        prob = Problem()
        model = prob.model

        model.add_subsystem('p1', IndepVarComp('x', 0.0), promotes=['x'])
        model.add_subsystem('p2', IndepVarComp('y', 0.0), promotes=['y'])
        model.add_subsystem('comp', Paraboloid(), promotes=['x', 'y', 'f_xy'])

        model.add_design_var('x', lower=0.0, upper=1.0)
        model.add_design_var('y', lower=0.0, upper=1.0)
        model.add_objective('f_xy')

        prob.driver = DOEDriver(FullFactorialGenerator(levels=3), parallel=True)
        prob.driver.add_recorder(SqliteRecorder("CASES.db"))

        prob.setup()

        failed, output = run_driver(prob)
        self.assertFalse(failed)

        prob.cleanup()

        expected = {
            0: {'x': np.array([0.]), 'y': np.array([0.]), 'f_xy': np.array([22.00])},
            1: {'x': np.array([.5]), 'y': np.array([0.]), 'f_xy': np.array([19.25])},
            2: {'x': np.array([1.]), 'y': np.array([0.]), 'f_xy': np.array([17.00])},

            3: {'x': np.array([0.]), 'y': np.array([.5]), 'f_xy': np.array([26.25])},
            4: {'x': np.array([.5]), 'y': np.array([.5]), 'f_xy': np.array([23.75])},
            5: {'x': np.array([1.]), 'y': np.array([.5]), 'f_xy': np.array([21.75])},

            6: {'x': np.array([0.]), 'y': np.array([1.]), 'f_xy': np.array([31.00])},
            7: {'x': np.array([.5]), 'y': np.array([1.]), 'f_xy': np.array([28.75])},
            8: {'x': np.array([1.]), 'y': np.array([1.]), 'f_xy': np.array([27.00])},
        }

        size = prob.comm.size
        rank = prob.comm.rank

        # cases will be split across files for each proc
        filename = "CASES.db_%d" % rank

        expect_msg = "Cases from rank %d are being written to %s." % (rank, filename)
        self.assertTrue(expect_msg in output)

        cases = CaseReader(filename).driver_cases

        # cases recorded on this proc
        num_cases = cases.num_cases
        self.assertEqual(num_cases, len(expected)//size+(rank<len(expected)%size))

        for n in range(num_cases):
            case = cases.get_case(n)
            idx = n * size + rank  # index of expected case

            self.assertEqual(cases.get_case(n).outputs['x'], expected[idx]['x'])
            self.assertEqual(cases.get_case(n).outputs['y'], expected[idx]['y'])
            self.assertEqual(cases.get_case(n).outputs['f_xy'], expected[idx]['f_xy'])
コード例 #5
0
ファイル: test_doe_driver.py プロジェクト: rowhit/OpenMDAO-1
    def test_fan_in_grouped_serial(self):
        # run cases on all procs (parallel model will run on single proc)
        doe_parallel = True

        prob = Problem(FanInGrouped())
        model = prob.model

        model.add_design_var('iv.x1', lower=0.0, upper=1.0)
        model.add_design_var('iv.x2', lower=0.0, upper=1.0)

        model.add_objective('c3.y')

        prob.driver = DOEDriver(FullFactorialGenerator(levels=3))
        prob.driver.add_recorder(SqliteRecorder("cases.sql"))
        prob.driver.options['parallel'] = doe_parallel

        prob.setup(check=False)

        failed, output = run_driver(prob)
        self.assertFalse(failed)

        prob.cleanup()

        expected = {
            0: {
                'iv.x1': np.array([0.]),
                'iv.x2': np.array([0.]),
                'c3.y': np.array([0.0])
            },
            1: {
                'iv.x1': np.array([.5]),
                'iv.x2': np.array([0.]),
                'c3.y': np.array([-3.0])
            },
            2: {
                'iv.x1': np.array([1.]),
                'iv.x2': np.array([0.]),
                'c3.y': np.array([-6.0])
            },
            3: {
                'iv.x1': np.array([0.]),
                'iv.x2': np.array([.5]),
                'c3.y': np.array([17.5])
            },
            4: {
                'iv.x1': np.array([.5]),
                'iv.x2': np.array([.5]),
                'c3.y': np.array([14.5])
            },
            5: {
                'iv.x1': np.array([1.]),
                'iv.x2': np.array([.5]),
                'c3.y': np.array([11.5])
            },
            6: {
                'iv.x1': np.array([0.]),
                'iv.x2': np.array([1.]),
                'c3.y': np.array([35.0])
            },
            7: {
                'iv.x1': np.array([.5]),
                'iv.x2': np.array([1.]),
                'c3.y': np.array([32.0])
            },
            8: {
                'iv.x1': np.array([1.]),
                'iv.x2': np.array([1.]),
                'c3.y': np.array([29.0])
            },
        }

        rank = prob.comm.rank
        size = prob.comm.size // doe_parallel

        num_cases = 0

        # cases will be split across files for each proc up to the number requested
        filename = "cases.sql_%d" % rank

        expect_msg = "Cases from rank %d are being written to %s." % (rank,
                                                                      filename)
        self.assertTrue(expect_msg in output)

        cases = CaseReader(filename).driver_cases

        # cases recorded on this proc
        num_cases = cases.num_cases
        self.assertEqual(num_cases,
                         len(expected) // size + (rank < len(expected) % size))

        for n in range(num_cases):
            idx = n * size + rank  # index of expected case

            outputs = cases.get_case(n).outputs

            self.assertEqual(outputs['iv.x1'], expected[idx]['iv.x1'])
            self.assertEqual(outputs['iv.x2'], expected[idx]['iv.x2'])
            self.assertEqual(outputs['c3.y'], expected[idx]['c3.y'])

        # total number of cases recorded across all requested procs
        num_cases = prob.comm.allgather(num_cases)
        self.assertEqual(sum(num_cases), len(expected))