示例#1
0
def compute_estimate_async():
    """Submit calculations to a running server instance"""
    from openforcefield.typing.engines import smirnoff

    setup_timestamp_logging()

    # Load in the data set of interest.
    data_set = ThermoMLDataSet.from_file(get_data_filename('properties/single_dielectric.xml'))
    # Load in the force field to use.
    force_field = smirnoff.ForceField(get_data_filename('forcefield/smirnoff99Frosst.offxml'))

    # new_property_0 = copy.deepcopy(data_set.properties['COCCO{1.0}'][0])
    # new_property_0.thermodynamic_state.temperature -= 2.0 * unit.kelvin
    # new_property_0.id = str(uuid4())
    #
    # data_set.properties['COCCO{1.0}'].append(new_property_0)
    #
    # new_property_1 = copy.deepcopy(data_set.properties['COCCO{1.0}'][0])
    # new_property_1.thermodynamic_state.temperature += 2.0 * unit.kelvin
    # new_property_1.id = str(uuid4())
    #
    # data_set.properties['COCCO{1.0}'].append(new_property_1)

    # Modify the submission options
    submission_options = PropertyEstimatorOptions()

    workflow_options = PropertyWorkflowOptions(PropertyWorkflowOptions.ConvergenceMode.RelativeUncertainty,
                                               relative_uncertainty_fraction=100000)

    submission_options.workflow_options = {
        'Density': workflow_options,
        'Dielectric': workflow_options,
        'EnthalpyOfMixing': workflow_options
    }
    # submission_options.allowed_calculation_layers = ['SimulationLayer']
    submission_options.allowed_calculation_layers = ['ReweightingLayer']

    # Create the client object.
    property_estimator = client.PropertyEstimatorClient()
    # Submit the request to a running server.
    request = property_estimator.request_estimate(data_set, force_field, submission_options)

    logging.info('Request info: {}'.format(str(request)))

    # Wait for the results.
    result = request.results(synchronous=True)

    logging.info('The server has returned a response: {}'.format(result.json()))
示例#2
0
def compute_estimate_sync():
    """Submit calculations to a running server instance"""
    from openforcefield.typing.engines import smirnoff

    setup_timestamp_logging()

    # Load in the data set of interest.
    data_set = ThermoMLDataSet.from_file(get_data_filename('properties/single_density.xml'))
    # Load in the force field to use.
    force_field = smirnoff.ForceField(get_data_filename('forcefield/smirnoff99Frosst.offxml'))

    # Create the client object.
    property_estimator = client.PropertyEstimatorClient()
    # Submit the request to a running server, and wait for the results.
    result = property_estimator.request_estimate(data_set, force_field)

    logging.info('The server has returned a response: {}'.format(result))
示例#3
0
def main():

    setup_timestamp_logging()

    # Load in the force field
    force_field_path = 'smirnoff99Frosst-1.1.0.offxml'
    force_field_source = SmirnoffForceFieldSource.from_path(force_field_path)

    # Load in the data set containing a single dielectric
    # property.
    with open('pure_data_set.json') as file:
        data_set = PhysicalPropertyDataSet.parse_json(file.read())

    data_set.filter_by_property_types('DielectricConstant')

    # Set up the server object which run the calculations.
    setup_server(backend_type=BackendType.LocalGPU,
                 max_number_of_workers=1,
                 port=8001)

    # Request the estimates.
    property_estimator = client.PropertyEstimatorClient(
        client.ConnectionOptions(server_port=8001))

    options = PropertyEstimatorOptions()
    options.allowed_calculation_layers = ['SimulationLayer']

    options.workflow_options = {
        'DielectricConstant': {
            'SimulationLayer':
            WorkflowOptions(WorkflowOptions.ConvergenceMode.NoChecks),
            'ReweightingLayer':
            WorkflowOptions(WorkflowOptions.ConvergenceMode.NoChecks)
        }
    }

    parameter_gradient_keys = [
        ParameterGradientKey(tag='vdW', smirks='[#6X4:1]',
                             attribute='epsilon'),
        ParameterGradientKey(tag='vdW',
                             smirks='[#6X4:1]',
                             attribute='rmin_half')
    ]

    request = property_estimator.request_estimate(
        property_set=data_set,
        force_field_source=force_field_source,
        options=options,
        parameter_gradient_keys=parameter_gradient_keys)

    # Wait for the results.
    results = request.results(True, 5)

    # Save the result to file.
    with open('dielectric_simulation.json', 'wb') as file:

        json_results = json.dumps(results,
                                  sort_keys=True,
                                  indent=2,
                                  separators=(',', ': '),
                                  cls=TypedJSONEncoder)

        file.write(json_results.encode('utf-8'))

    # Attempt to reweight the cached data.
    options.allowed_calculation_layers = ['ReweightingLayer']

    request = property_estimator.request_estimate(
        property_set=data_set,
        force_field_source=force_field_source,
        options=options,
        parameter_gradient_keys=parameter_gradient_keys)

    # Wait for the results.
    results = request.results(True, 5)

    # Save the result to file.
    with open('dielectric_reweight.json', 'wb') as file:

        json_results = json.dumps(results,
                                  sort_keys=True,
                                  indent=2,
                                  separators=(',', ': '),
                                  cls=TypedJSONEncoder)

        file.write(json_results.encode('utf-8'))
def main():

    setup_timestamp_logging()

    # Load in the force field
    force_field_path = 'smirnoff99Frosst-1.1.0.offxml'
    force_field_source = SmirnoffForceFieldSource.from_path(force_field_path)

    # Create a data set containing three solvation free energies.
    data_set = _create_data_set()

    # Set up the compute backend which will run the calculations.
    working_directory = 'working_directory'
    storage_directory = 'storage_directory'

    queue_resources = QueueWorkerResources(
        number_of_threads=1,
        number_of_gpus=1,
        preferred_gpu_toolkit=QueueWorkerResources.GPUToolkit.CUDA,
        per_thread_memory_limit=5 * unit.gigabyte,
        wallclock_time_limit="05:59")

    worker_script_commands = [
        'conda activate propertyestimator', 'module load cuda/10.1'
    ]

    calculation_backend = DaskLSFBackend(
        minimum_number_of_workers=1,
        maximum_number_of_workers=3,
        resources_per_worker=queue_resources,
        queue_name='gpuqueue',
        setup_script_commands=worker_script_commands,
        adaptive_interval='1000ms',
        adaptive_class=CustomAdaptive)

    # Set up a backend to cache simulation data in.
    storage_backend = LocalFileStorage(storage_directory)

    # Spin up the server object.
    PropertyEstimatorServer(calculation_backend=calculation_backend,
                            storage_backend=storage_backend,
                            port=8005,
                            working_directory=working_directory)

    # Request the estimates.
    property_estimator = client.PropertyEstimatorClient(
        client.ConnectionOptions(server_port=8005))

    options = PropertyEstimatorOptions()
    options.allowed_calculation_layers = ['SimulationLayer']

    workflow_options = WorkflowOptions(
        WorkflowOptions.ConvergenceMode.NoChecks)

    options.workflow_options = {
        'SolvationFreeEnergy': {
            'SimulationLayer': workflow_options
        }
    }
    options.workflow_schemas = {
        'SolvationFreeEnergy': {
            'SimulationLayer': _get_fixed_lambda_schema(workflow_options)
        }
    }

    request = property_estimator.request_estimate(
        property_set=data_set,
        force_field_source=force_field_source,
        options=options)

    # Wait for the results.
    results = request.results(True, 5)

    # Save the result to file.
    with open('solvation_free_energy_simulation.json', 'wb') as file:

        json_results = json.dumps(results,
                                  sort_keys=True,
                                  indent=2,
                                  separators=(',', ': '),
                                  cls=TypedJSONEncoder)

        file.write(json_results.encode('utf-8'))