def init_params(cls, params, algo_input):
"""
Initialize via parameters dictionary and algorithm input instance.
Args:
params (dict): parameters dictionary
algo_input (EnergyInput): EnergyInput instance
Returns:
VQE: vqe object
"""
if algo_input is None:
raise AquaError("EnergyInput instance is required.")
operator = algo_input.qubit_op
vqe_params = params.get(Pluggable.SECTION_KEY_ALGORITHM)
initial_point = vqe_params.get('initial_point')
max_evals_grouped = vqe_params.get('max_evals_grouped')
# Set up variational form, we need to add computed num qubits
# Pass all parameters so that Variational Form can create its dependents
var_form_params = params.get(Pluggable.SECTION_KEY_VAR_FORM)
var_form_params['num_qubits'] = operator.num_qubits
var_form = get_pluggable_class(PluggableType.VARIATIONAL_FORM,
var_form_params['name']).init_params(params)
# Set up optimizer
opt_params = params.get(Pluggable.SECTION_KEY_OPTIMIZER)
optimizer = get_pluggable_class(PluggableType.OPTIMIZER,
opt_params['name']).init_params(params)
return cls(operator, var_form, optimizer,
initial_point=initial_point, max_evals_grouped=max_evals_grouped,
aux_operators=algo_input.aux_ops)
def init_params(cls, params, algo_input):
"""Constructor from params."""
feature_dimension = get_feature_dimension(algo_input.training_dataset)
fea_map_params = params.get(Pluggable.SECTION_KEY_FEATURE_MAP)
fea_map_params['feature_dimension'] = feature_dimension
feature_map = get_pluggable_class(
PluggableType.FEATURE_MAP,
fea_map_params['name']).init_params(params)
multiclass_extension = None
multiclass_extension_params = params.get(
Pluggable.SECTION_KEY_MULTICLASS_EXT)
if multiclass_extension_params is not None:
multiclass_extension_params['params'] = [feature_map]
multiclass_extension_params['estimator_cls'] = _QSVM_Estimator
multiclass_extension = \
get_pluggable_class(PluggableType.MULTICLASS_EXTENSION,
multiclass_extension_params['name']).init_params(params)
logger.info("Multiclass classifier based on %s",
multiclass_extension_params['name'])
return cls(feature_map, algo_input.training_dataset,
algo_input.test_dataset, algo_input.datapoints,
multiclass_extension)
def init_params(cls, params, algo_input):
"""
Initialize via parameters dictionary and algorithm input instance
Args:
params (dict): parameters dictionary
algo_input (EnergyInput): EnergyInput instance
"""
if algo_input is None:
raise AquaError("EnergyInput instance is required.")
operator = algo_input.qubit_op
qaoa_params = params.get(Pluggable.SECTION_KEY_ALGORITHM)
p = qaoa_params.get('p')
initial_point = qaoa_params.get('initial_point')
max_evals_grouped = qaoa_params.get('max_evals_grouped')
init_state_params = params.get(Pluggable.SECTION_KEY_INITIAL_STATE)
init_state_params['num_qubits'] = operator.num_qubits
init_state = get_pluggable_class(PluggableType.INITIAL_STATE,
init_state_params['name']).init_params(params)
# Set up optimizer
opt_params = params.get(Pluggable.SECTION_KEY_OPTIMIZER)
optimizer = get_pluggable_class(PluggableType.OPTIMIZER,
opt_params['name']).init_params(params)
return cls(operator, optimizer, p=p, initial_state=init_state,
initial_point=initial_point, max_evals_grouped=max_evals_grouped,
aux_operators=algo_input.aux_ops)
def init_params(cls, params, algo_input):
"""
Initialize via parameters dictionary and algorithm input instance
Args:
params: parameters dictionary
algo_input: Input instance
"""
if algo_input is not None:
raise AquaError('Input instance not supported.')
ae_params = params.get(Pluggable.SECTION_KEY_ALGORITHM)
num_eval_qubits = ae_params.get('num_eval_qubits')
# Set up uncertainty problem. The params can include an uncertainty model
# type dependent on the uncertainty problem and is this its responsibility
# to create for itself from the complete params set that is passed to it.
uncertainty_problem_params = params.get(
Pluggable.SECTION_KEY_UNCERTAINTY_PROBLEM)
uncertainty_problem = get_pluggable_class(
PluggableType.UNCERTAINTY_PROBLEM,
uncertainty_problem_params['name']).init_params(params)
# Set up iqft, we need to add num qubits to params which is our num_ancillae bits here
iqft_params = params.get(Pluggable.SECTION_KEY_IQFT)
iqft_params['num_qubits'] = num_eval_qubits
iqft = get_pluggable_class(PluggableType.IQFT,
iqft_params['name']).init_params(params)
return cls(num_eval_qubits,
uncertainty_problem,
q_factory=None,
iqft=iqft)
def init_params(cls, params, algo_input):
algo_params = params.get(QuantumAlgorithm.SECTION_KEY_ALGORITHM)
override_spsa_params = algo_params.get('override_SPSA_params')
batch_mode = algo_params.get('batch_mode')
minibatch_size = algo_params.get('minibatch_size')
# Set up optimizer
opt_params = params.get(QuantumAlgorithm.SECTION_KEY_OPTIMIZER)
# If SPSA then override SPSA params as reqd to our predetermined values
if opt_params['name'] == 'SPSA' and override_spsa_params:
opt_params['c0'] = 4.0
opt_params['c1'] = 0.1
opt_params['c2'] = 0.602
opt_params['c3'] = 0.101
opt_params['c4'] = 0.0
opt_params['skip_calibration'] = True
optimizer = get_pluggable_class(PluggableType.OPTIMIZER,
opt_params['name']).init_params(opt_params)
# Set up feature map
fea_map_params = params.get(QuantumAlgorithm.SECTION_KEY_FEATURE_MAP)
num_qubits = get_feature_dimension(algo_input.training_dataset)
fea_map_params['num_qubits'] = num_qubits
feature_map = get_pluggable_class(PluggableType.FEATURE_MAP,
fea_map_params['name']).init_params(fea_map_params)
# Set up variational form
var_form_params = params.get(QuantumAlgorithm.SECTION_KEY_VAR_FORM)
var_form_params['num_qubits'] = num_qubits
var_form = get_pluggable_class(PluggableType.VARIATIONAL_FORM,
var_form_params['name']).init_params(var_form_params)
return cls(optimizer, feature_map, var_form, algo_input.training_dataset,
algo_input.test_dataset, algo_input.datapoints, batch_mode,
minibatch_size)
def init_params(cls, params, algo_input):
"""
Initialize via parameters dictionary and algorithm input instance
Args:
params: parameters dictionary
algo_input: input instance
"""
if algo_input is not None:
raise AquaError("Unexpected Input instance.")
grover_params = params.get(Pluggable.SECTION_KEY_ALGORITHM)
incremental = grover_params.get(Grover.PROP_INCREMENTAL)
num_iterations = grover_params.get(Grover.PROP_NUM_ITERATIONS)
mct_mode = grover_params.get(Grover.PROP_MCT_MODE)
oracle_params = params.get(Pluggable.SECTION_KEY_ORACLE)
oracle = get_pluggable_class(PluggableType.ORACLE,
oracle_params['name']).init_params(params)
# Set up initial state, we need to add computed num qubits to params
init_state_params = params.get(Pluggable.SECTION_KEY_INITIAL_STATE)
init_state_params['num_qubits'] = len(oracle.variable_register)
init_state = get_pluggable_class(
PluggableType.INITIAL_STATE,
init_state_params['name']).init_params(params)
return cls(oracle,
init_state=init_state,
incremental=incremental,
num_iterations=num_iterations,
mct_mode=mct_mode)
def init_params(cls, params, algo_input):
"""Constructor from params."""
num_qubits = get_feature_dimension(algo_input.training_dataset)
fea_map_params = params.get(QuantumAlgorithm.SECTION_KEY_FEATURE_MAP)
fea_map_params['num_qubits'] = num_qubits
feature_map = get_pluggable_class(
PluggableType.FEATURE_MAP,
fea_map_params['name']).init_params(fea_map_params)
multiclass_extension = None
multiclass_extension_params = params.get(
QuantumAlgorithm.SECTION_KEY_MULTICLASS_EXTENSION, None)
if multiclass_extension_params is not None:
multiclass_extension_params['params'] = [feature_map]
multiclass_extension_params[
'estimator_cls'] = _QSVM_Kernel_Estimator
multiclass_extension = get_pluggable_class(
PluggableType.MULTICLASS_EXTENSION,
multiclass_extension_params['name']).init_params(
multiclass_extension_params)
logger.info("Multiclass classifier based on {}".format(
multiclass_extension_params['name']))
return cls(feature_map, algo_input.training_dataset,
algo_input.test_dataset, algo_input.datapoints,
multiclass_extension)
def init_params(cls, params, algo_input):
"""
Initialize via parameters dictionary and algorithm input instance.
Args:
params: parameters dictionary
algo_input: EnergyInput instance
"""
if algo_input is None:
raise AquaError("EnergyInput instance is required.")
operator = algo_input.qubit_op
qpe_params = params.get(Pluggable.SECTION_KEY_ALGORITHM)
num_time_slices = qpe_params.get(QPE.PROP_NUM_TIME_SLICES)
expansion_mode = qpe_params.get(QPE.PROP_EXPANSION_MODE)
expansion_order = qpe_params.get(QPE.PROP_EXPANSION_ORDER)
num_ancillae = qpe_params.get(QPE.PROP_NUM_ANCILLAE)
# Set up initial state, we need to add computed num qubits to params
init_state_params = params.get(Pluggable.SECTION_KEY_INITIAL_STATE)
init_state_params['num_qubits'] = operator.num_qubits
init_state = get_pluggable_class(PluggableType.INITIAL_STATE,
init_state_params['name']).init_params(params)
# Set up iqft, we need to add num qubits to params which is our num_ancillae bits here
iqft_params = params.get(Pluggable.SECTION_KEY_IQFT)
iqft_params['num_qubits'] = num_ancillae
iqft = get_pluggable_class(PluggableType.IQFT, iqft_params['name']).init_params(params)
return cls(operator, init_state, iqft, num_time_slices, num_ancillae,
expansion_mode=expansion_mode,
expansion_order=expansion_order)
def init_params(cls, params, algo_input):
"""
Initialize qGAN via parameters dictionary and algorithm input instance.
Args:
params: parameters dictionary
algo_input: Input instance
Returns:
QGAN: qgan object
"""
if algo_input is None:
raise AquaError("Input instance not supported.")
qgan_params = params.get(Pluggable.SECTION_KEY_ALGORITHM)
num_qubits = qgan_params.get('num_qubits')
batch_size = qgan_params.get('batch_size')
num_epochs = qgan_params.get('num_epochs')
seed = qgan_params.get('seed')
tol_rel_ent = qgan_params.get('tol_rel_ent')
snapshot_dir = qgan_params.get('snapshot_dir')
discriminator_params = params.get(Pluggable.SECTION_KEY_DISCRIMINATIVE_NETWORK)
generator_params = params.get(Pluggable.SECTION_KEY_GENERATIVE_NETWORK)
generator_params['num_qubits'] = num_qubits
discriminator = get_pluggable_class(PluggableType.DISCRIMINATIVE_NETWORK,
discriminator_params['name']).init_params(params)
generator = get_pluggable_class(PluggableType.GENERATIVE_NETWORK,
generator_params['name']).init_params(params)
return cls(algo_input.data, algo_input.bounds, num_qubits, batch_size, num_epochs, seed, discriminator,
generator, tol_rel_ent, snapshot_dir)
def init_params(cls, params, matrix): # pylint: disable=arguments-differ
"""
Initialize via parameters dictionary and algorithm input instance
Args:
params (dict): parameters dictionary
matrix (numpy.ndarray): two dimensional array which represents the operator
Returns:
EigsQPE: instance of this class
Raises:
AquaError: Operator instance is required
"""
if matrix is None:
raise AquaError("Operator instance is required.")
if not isinstance(matrix, np.ndarray):
matrix = np.array(matrix)
eigs_params = params.get(Pluggable.SECTION_KEY_EIGS)
args = {k: v for k, v in eigs_params.items() if k != 'name'}
num_ancillae = eigs_params['num_ancillae']
negative_evals = eigs_params['negative_evals']
# Adding an additional flag qubit for negative eigenvalues
if negative_evals:
num_ancillae += 1
args['num_ancillae'] = num_ancillae
args['operator'] = MatrixOperator(matrix=matrix)
# Set up iqft, we need to add num qubits to params which is our num_ancillae bits here
iqft_params = params.get(Pluggable.SECTION_KEY_IQFT)
iqft_params['num_qubits'] = num_ancillae
args['iqft'] = get_pluggable_class(
PluggableType.IQFT, iqft_params['name']).init_params(params)
# For converting the encoding of the negative eigenvalues, we need two
# additional instances for QFT and IQFT
if negative_evals:
ne_params = params
qft_num_qubits = iqft_params['num_qubits']
ne_qft_params = params.get(Pluggable.SECTION_KEY_QFT)
ne_qft_params['num_qubits'] = qft_num_qubits - 1
ne_iqft_params = params.get(Pluggable.SECTION_KEY_IQFT)
ne_iqft_params['num_qubits'] = qft_num_qubits - 1
ne_params['qft'] = ne_qft_params
ne_params['iqft'] = ne_iqft_params
args['ne_qfts'] = [
get_pluggable_class(
PluggableType.QFT,
ne_qft_params['name']).init_params(ne_params),
get_pluggable_class(
PluggableType.IQFT,
ne_iqft_params['name']).init_params(ne_params)
]
else:
args['ne_qfts'] = [None, None]
return cls(**args)
def init_params(cls, params, algo_input):
"""
Initialize via parameters dictionary and algorithm input instance.
Args:
params (dict): parameters dictionary
algo_input (EnergyInput): EnergyInput instance
Returns:
QEomVQE: Newly created instance
Raises:
AquaError: EnergyInput instance is required
"""
if algo_input is None:
raise AquaError("EnergyInput instance is required.")
operator = algo_input.qubit_op
q_eom_vqe_params = params.get(QuantumAlgorithm.SECTION_KEY_ALGORITHM)
initial_point = q_eom_vqe_params.get('initial_point')
max_evals_grouped = q_eom_vqe_params.get('max_evals_grouped')
num_orbitals = q_eom_vqe_params.get('num_orbitals')
num_particles = q_eom_vqe_params.get('num_particles')
qubit_mapping = q_eom_vqe_params.get('qubit_mapping')
two_qubit_reduction = q_eom_vqe_params.get('two_qubit_reduction')
active_occupied = q_eom_vqe_params.get('active_occupied')
active_unoccupied = q_eom_vqe_params.get('active_unoccupied')
# Set up variational form, we need to add computed num qubits, and initial state to params
var_form_params = params.get(Pluggable.SECTION_KEY_VAR_FORM)
var_form_params['num_qubits'] = operator.num_qubits
var_form = get_pluggable_class(
PluggableType.VARIATIONAL_FORM,
var_form_params['name']).init_params(params)
# Set up optimizer
opt_params = params.get(Pluggable.SECTION_KEY_OPTIMIZER)
optimizer = get_pluggable_class(PluggableType.OPTIMIZER,
opt_params['name']).init_params(params)
return cls(operator,
var_form,
optimizer,
initial_point=initial_point,
max_evals_grouped=max_evals_grouped,
aux_operators=algo_input.aux_ops,
num_orbitals=num_orbitals,
num_particles=num_particles,
qubit_mapping=qubit_mapping,
two_qubit_reduction=two_qubit_reduction,
active_occupied=active_occupied,
active_unoccupied=active_unoccupied)
def init_params(cls, params, algo_input):
"""
Initialize via parameters dictionary and algorithm input instance.
Args:
params (dict): parameters dictionary
algo_input (EnergyInput): EnergyInput instance
Returns:
VQE: vqe object
"""
if algo_input is None:
raise AquaError("EnergyInput instance is required.")
operator = algo_input.qubit_op
vqe_params = params.get(QuantumAlgorithm.SECTION_KEY_ALGORITHM)
operator_mode = vqe_params.get('operator_mode')
initial_point = vqe_params.get('initial_point')
batch_mode = vqe_params.get('batch_mode')
# Set up initial state, we need to add computed num qubits to params
init_state_params = params.get(
QuantumAlgorithm.SECTION_KEY_INITIAL_STATE)
init_state_params['num_qubits'] = operator.num_qubits
init_state = get_pluggable_class(
PluggableType.INITIAL_STATE,
init_state_params['name']).init_params(init_state_params)
# Set up variational form, we need to add computed num qubits, and initial state to params
var_form_params = params.get(QuantumAlgorithm.SECTION_KEY_VAR_FORM)
var_form_params['num_qubits'] = operator.num_qubits
var_form_params['initial_state'] = init_state
var_form = get_pluggable_class(
PluggableType.VARIATIONAL_FORM,
var_form_params['name']).init_params(var_form_params)
# Set up optimizer
opt_params = params.get(QuantumAlgorithm.SECTION_KEY_OPTIMIZER)
optimizer = get_pluggable_class(
PluggableType.OPTIMIZER,
opt_params['name']).init_params(opt_params)
return cls(operator,
var_form,
optimizer,
operator_mode=operator_mode,
initial_point=initial_point,
batch_mode=batch_mode,
aux_operators=algo_input.aux_ops)
def init_params(cls, params, algo_input):
"""
Initialize via parameters dictionary and algorithm input instance.
Args:
params: parameters dictionary
algo_input: EnergyInput instance
"""
if algo_input is None:
raise AquaError("EnergyInput instance is required.")
operator = algo_input.qubit_op
evolution_fidelity_params = params.get(Pluggable.SECTION_KEY_ALGORITHM)
expansion_order = evolution_fidelity_params.get(
EvolutionFidelity.PROP_EXPANSION_ORDER)
# Set up initial state, we need to add computed num qubits to params
initial_state_params = params.get(Pluggable.SECTION_KEY_INITIAL_STATE)
initial_state_params['num_qubits'] = operator.num_qubits
initial_state = get_pluggable_class(
PluggableType.INITIAL_STATE,
initial_state_params['name']).init_params(params)
return cls(operator, initial_state, expansion_order)
def init_params(cls, params, algo_input):
"""
Initialize via parameters dictionary and algorithm input instance
Args:
params (dict): parameters dictionary
algo_input (object): Input instance
Returns:
MaximumLikelihoodAmplitudeEstimation: instance of this class
Raises:
AquaError: input instance not supported
"""
if algo_input is not None:
raise AquaError("Input instance not supported.")
ae_params = params.get(Pluggable.SECTION_KEY_ALGORITHM)
log_max_evals = ae_params.get('log_max_evals')
# Set up uncertainty problem. The params can include an uncertainty model
# type dependent on the uncertainty problem and is this its responsibility
# to create for itself from the complete params set that is passed to it.
uncertainty_problem_params = params.get(
Pluggable.SECTION_KEY_UNCERTAINTY_PROBLEM)
uncertainty_problem = get_pluggable_class(
PluggableType.UNCERTAINTY_PROBLEM,
uncertainty_problem_params['name']).init_params(params)
return cls(log_max_evals, uncertainty_problem, q_factory=None)
def init_params(cls, params, algo_input):
"""
Initialize via parameters dictionary and algorithm input instance
Args:
params: parameters dictionary
algo_input: EnergyInput instance
"""
if algo_input is None:
raise AquaError("EnergyInput instance is required.")
# For getting the extra operator, caller has to do something like: algo_input.add_aux_op(evo_op)
operator = algo_input.qubit_op
aux_ops = algo_input.aux_ops
if aux_ops is None or len(aux_ops) != 1:
raise AquaError("EnergyInput, a single aux op is required for evaluation.")
evo_operator = aux_ops[0]
if evo_operator is None:
raise AquaError("EnergyInput, invalid aux op.")
dynamics_params = params.get(Pluggable.SECTION_KEY_ALGORITHM)
operator_mode = dynamics_params.get(EOH.PROP_OPERATOR_MODE)
evo_time = dynamics_params.get(EOH.PROP_EVO_TIME)
num_time_slices = dynamics_params.get(EOH.PROP_NUM_TIME_SLICES)
expansion_mode = dynamics_params.get(EOH.PROP_EXPANSION_MODE)
expansion_order = dynamics_params.get(EOH.PROP_EXPANSION_ORDER)
# Set up initial state, we need to add computed num qubits to params
initial_state_params = params.get(Pluggable.SECTION_KEY_INITIAL_STATE)
initial_state_params['num_qubits'] = operator.num_qubits
initial_state = get_pluggable_class(PluggableType.INITIAL_STATE,
initial_state_params['name']).init_params(params)
return cls(operator, initial_state, evo_operator, operator_mode, evo_time, num_time_slices,
expansion_mode=expansion_mode,
expansion_order=expansion_order)
def init_params(cls, params):
uncertainty_problem_params = params.get(
Pluggable.SECTION_KEY_UNCERTAINTY_PROBLEM)
args = {
k: v
for k, v in uncertainty_problem_params.items() if k != 'name'
}
# Uncertainty problems take an uncertainty model. Each can take a specific type as
# a dependent. We currently have two known types and to save having init_params in
# each of the problems a problem can use this base class method that tries to find
# params for the set of known uncertainty model types.
uncertainty_model_params = params.get(
Pluggable.SECTION_KEY_UNIVARIATE_DISTRIBUTION)
pluggable_type = PluggableType.UNIVARIATE_DISTRIBUTION
if uncertainty_model_params is None:
uncertainty_model_params = params.get(
Pluggable.SECTION_KEY_MULTIVARIATE_DISTRIBUTION)
pluggable_type = PluggableType.MULTIVARIATE_DISTRIBUTION
if uncertainty_model_params is None:
raise AquaError(
"No params for known uncertainty model types found")
uncertainty_model = get_pluggable_class(
pluggable_type,
uncertainty_model_params['name']).init_params(params)
return cls(uncertainty_model, **args)
def _validate_defaults_against_schema(self, dependency_pluggable_type,
default_name, defaults):
cls = get_pluggable_class(dependency_pluggable_type, default_name)
default_config = get_pluggable_configuration(dependency_pluggable_type,
default_name)
if not isinstance(default_config, dict):
return ["{} configuration isn't a dictionary.".format(cls)]
schema = default_config.get('input_schema')
if not isinstance(default_config, dict):
return [
"{} configuration schema missing or isn't a dictionary.".
format(cls)
]
properties = schema.get('properties')
if not isinstance(properties, dict):
return [
"{} configuration schema '{}' missing or isn't a dictionary.".
format(cls, 'properties')
]
err_msgs = []
for default_property_name, default_property_value in defaults.items():
prop = properties.get(default_property_name)
if not isinstance(prop, dict):
err_msgs.append("{} configuration schema '{}/{}' "
"missing or isn't a dictionary.".format(
cls, 'properties', default_property_name))
return err_msgs
def init_params(cls, params, algo_input):
"""
Initialize via parameters dictionary and algorithm input instance.
Args:
params: parameters dictionary
algo_input: EnergyInput instance
"""
if algo_input is None:
raise AquaError("EnergyInput instance is required.")
operator = algo_input.qubit_op
iqpe_params = params.get(QuantumAlgorithm.SECTION_KEY_ALGORITHM)
num_time_slices = iqpe_params.get(IQPE.PROP_NUM_TIME_SLICES)
expansion_mode = iqpe_params.get(IQPE.PROP_EXPANSION_MODE)
expansion_order = iqpe_params.get(IQPE.PROP_EXPANSION_ORDER)
num_iterations = iqpe_params.get(IQPE.PROP_NUM_ITERATIONS)
# Set up initial state, we need to add computed num qubits to params
init_state_params = params.get(QuantumAlgorithm.SECTION_KEY_INITIAL_STATE)
init_state_params['num_qubits'] = operator.num_qubits
init_state = get_pluggable_class(PluggableType.INITIAL_STATE,
init_state_params['name']).init_params(init_state_params)
return cls(operator, init_state, num_time_slices=num_time_slices, num_iterations=num_iterations,
expansion_mode=expansion_mode,
expansion_order=expansion_order)
def test_pluggable_inputs(self):
algorithm_problems = set()
for pluggable_name in local_pluggables(PluggableType.ALGORITHM):
configuration = get_pluggable_configuration(PluggableType.ALGORITHM, pluggable_name)
if isinstance(configuration, dict):
algorithm_problems.update(configuration.get('problems', []))
err_msgs = []
all_problems = set()
for pluggable_name in local_pluggables(PluggableType.INPUT):
cls = get_pluggable_class(PluggableType.INPUT, pluggable_name)
configuration = get_pluggable_configuration(PluggableType.INPUT, pluggable_name)
missing_problems = []
if isinstance(configuration, dict):
problem_names = configuration.get('problems', [])
all_problems.update(problem_names)
for problem_name in problem_names:
if problem_name not in algorithm_problems:
missing_problems.append(problem_name)
if len(missing_problems) > 0:
err_msgs.append("{}: No algorithm declares the problems {}.".format(cls, missing_problems))
invalid_problems = list(set(AlgorithmInput._PROBLEM_SET).difference(all_problems))
if len(invalid_problems) > 0:
err_msgs.append("Base Class AlgorithmInput contains problems {} that don't belong to any Input class.".format(invalid_problems))
if len(err_msgs) > 0:
self.fail('\n'.join(err_msgs))
def init_params(cls, params, algo_input):
"""Initialize via parameters dictionary and algorithm input instance
Args:
params: parameters dictionary
algo_input: LinearSystemInput instance
"""
if algo_input is None:
raise AquaError("LinearSystemInput instance is required.")
matrix = algo_input.matrix
vector = algo_input.vector
if not isinstance(matrix, np.ndarray):
matrix = np.asarray(matrix)
if not isinstance(vector, np.ndarray):
vector = np.asarray(vector)
if matrix.shape[0] != len(vector):
raise ValueError("Input vector dimension does not match input "
"matrix dimension!")
if np.log2(matrix.shape[0]) % 1 != 0:
# TODO: extend vector and matrix for nonhermitian/non 2**n size
# matrices and prune dimensions of HHL solution
raise ValueError("Matrix dimension must be 2**n!")
# Initialize eigenvalue finding module
eigs_params = params.get(Pluggable.SECTION_KEY_EIGS)
eigs = get_pluggable_class(PluggableType.EIGENVALUES,
eigs_params['name']).init_params(params, matrix)
num_q, num_a = eigs.get_register_sizes()
# Initialize initial state module
tmpvec = vector
init_state_params = params.get(Pluggable.SECTION_KEY_INITIAL_STATE)
init_state_params["num_qubits"] = num_q
init_state_params["state_vector"] = tmpvec
init_state = get_pluggable_class(PluggableType.INITIAL_STATE,
init_state_params['name']).init_params(params)
# Initialize reciprocal rotation module
reciprocal_params = params.get(Pluggable.SECTION_KEY_RECIPROCAL)
reciprocal_params["negative_evals"] = eigs._negative_evals
reciprocal_params["evo_time"] = eigs._evo_time
reci = get_pluggable_class(PluggableType.RECIPROCAL,
reciprocal_params['name']).init_params(params)
return cls(matrix, vector, eigs, init_state, reci, num_q, num_a)
def init_params(cls, params, algo_input):
if algo_input is not None:
raise AquaError("Input instance not supported.")
oracle_params = params.get(Pluggable.SECTION_KEY_ORACLE)
oracle = get_pluggable_class(PluggableType.ORACLE,
oracle_params['name']).init_params(params)
return cls(oracle)
def test_pluggable_configuration(self):
""" pluggable configuration tests """
err_msgs = []
for pluggable_type in local_pluggables_types():
for pluggable_name in local_pluggables(pluggable_type):
cls = get_pluggable_class(pluggable_type, pluggable_name)
configuration = get_pluggable_configuration(
pluggable_type, pluggable_name)
if not isinstance(configuration, dict):
err_msgs.append(
"{} configuration isn't a dictionary.".format(cls))
continue
if pluggable_type in [
PluggableType.ALGORITHM, PluggableType.INPUT
]:
if not configuration.get('problems', []):
err_msgs.append(
"{} missing or empty 'problems' section.".format(
cls))
schema_found = False
for configuration_name, configuration_value in configuration.items(
):
if configuration_name in ['problems', 'depends']:
if not isinstance(configuration_value, list):
err_msgs.append(
"{} configuration section:'{}' isn't a list.".
format(cls, configuration_name))
continue
if configuration_name == 'depends':
err_msgs.extend(
self._validate_depends(cls,
configuration_value))
continue
if configuration_name == 'input_schema':
schema_found = True
if not isinstance(configuration_value, dict):
err_msgs.append(
"{} configuration section:'{}' isn't a dictionary."
.format(cls, configuration_name))
continue
err_msgs.extend(
self._validate_schema(cls, configuration_value))
continue
if not schema_found:
err_msgs.append(
"{} configuration missing schema.".format(cls))
if err_msgs:
self.fail('\n'.join(err_msgs))
def init_params(cls, params, algo_input):
if algo_input is not None:
raise AquaError("Unexpected Input instance.")
dj_params = params.get(QuantumAlgorithm.SECTION_KEY_ALGORITHM)
oracle_params = params.get(QuantumAlgorithm.SECTION_KEY_ORACLE)
oracle = get_pluggable_class(
PluggableType.ORACLE,
oracle_params['name']).init_params(oracle_params)
return cls(oracle)
def init_params(cls, params):
var_form_params = params.get(Pluggable.SECTION_KEY_VAR_FORM)
args = {k: v for k, v in var_form_params.items() if k != 'name'}
# We pass on num_qubits to initial state since we know our dependent needs this
init_state_params = params.get(Pluggable.SECTION_KEY_INITIAL_STATE)
init_state_params['num_qubits'] = var_form_params['num_qubits']
args['initial_state'] = get_pluggable_class(PluggableType.INITIAL_STATE,
init_state_params['name']).init_params(params)
return cls(**args)
def init_params(cls, params, algo_input):
"""
Initialize via parameters dictionary and algorithm input instance
Args:
params: parameters dictionary
algo_input: Input instance
"""
if algo_input is not None:
raise AquaError("Input instance not supported.")
ae_params = params.get(QuantumAlgorithm.SECTION_KEY_ALGORITHM)
num_eval_qubits = ae_params.get('num_eval_qubits')
# Set up uncertainty model and problem
uncertainty_model_params = params.get(
QuantumAlgorithm.SECTION_KEY_UNCERTAINTY_MODEL)
uncertainty_model_params['num_target_qubits'] = num_eval_qubits
uncertainty_model = get_pluggable_class(
PluggableType.UNCERTAINTY_MODEL,
uncertainty_model_params['name']).init_params(
uncertainty_model_params)
uncertainty_problem_params = params.get(
QuantumAlgorithm.SECTION_KEY_UNCERTAINTY_PROBLEM)
uncertainty_problem_params['uncertainty_model'] = uncertainty_model
uncertainty_problem = get_pluggable_class(
PluggableType.UNCERTAINTY_PROBLEM,
uncertainty_problem_params['name']).init_params(
uncertainty_problem_params)
# Set up iqft, we need to add num qubits to params which is our num_ancillae bits here
iqft_params = params.get(QuantumAlgorithm.SECTION_KEY_IQFT)
iqft_params['num_qubits'] = num_eval_qubits
iqft = get_pluggable_class(
PluggableType.IQFT, iqft_params['name']).init_params(iqft_params)
return cls(num_eval_qubits,
uncertainty_problem,
q_factory=None,
iqft=iqft)
def init_params(cls, params, algo_input):
""" init params """
algo_params = params.get(Pluggable.SECTION_KEY_ALGORITHM)
override_spsa_params = algo_params.get('override_SPSA_params')
max_evals_grouped = algo_params.get('max_evals_grouped')
minibatch_size = algo_params.get('minibatch_size')
# Set up optimizer
opt_params = params.get(Pluggable.SECTION_KEY_OPTIMIZER)
# If SPSA then override SPSA params as reqd to our predetermined values
if opt_params['name'] == 'SPSA' and override_spsa_params:
opt_params['c0'] = 4.0
opt_params['c1'] = 0.1
opt_params['c2'] = 0.602
opt_params['c3'] = 0.101
opt_params['c4'] = 0.0
opt_params['skip_calibration'] = True
optimizer = get_pluggable_class(PluggableType.OPTIMIZER,
opt_params['name']).init_params(params)
# Set up feature map
fea_map_params = params.get(Pluggable.SECTION_KEY_FEATURE_MAP)
feature_dimension = get_feature_dimension(algo_input.training_dataset)
fea_map_params['feature_dimension'] = feature_dimension
feature_map = get_pluggable_class(
PluggableType.FEATURE_MAP,
fea_map_params['name']).init_params(params)
# Set up variational form, we need to add computed num qubits
# Pass all parameters so that Variational Form can create its dependents
var_form_params = params.get(Pluggable.SECTION_KEY_VAR_FORM)
var_form_params['num_qubits'] = feature_map.num_qubits
var_form = get_pluggable_class(
PluggableType.VARIATIONAL_FORM,
var_form_params['name']).init_params(params)
return cls(optimizer, feature_map, var_form,
algo_input.training_dataset, algo_input.test_dataset,
algo_input.datapoints, max_evals_grouped, minibatch_size)
def init_params(cls, params, algo_input):
svm_params = params.get(Pluggable.SECTION_KEY_ALGORITHM)
gamma = svm_params.get('gamma', None)
multiclass_extension = None
multiclass_extension_params = params.get(Pluggable.SECTION_KEY_MULTICLASS_EXTENSION)
if multiclass_extension_params is not None:
multiclass_extension_params['estimator_cls'] = _RBF_SVC_Estimator
multiclass_extension = get_pluggable_class(
PluggableType.MULTICLASS_EXTENSION, multiclass_extension_params['name']).init_params(params)
logger.info("Multiclass dataset with extension: {}".format(multiclass_extension_params['name']))
return cls(algo_input.training_dataset, algo_input.test_dataset,
algo_input.datapoints, gamma, multiclass_extension)
def init_params(cls, params):
"""
Initialize via parameters dictionary.
Args:
params: parameters dictionary
Returns:
An object instance of this class
"""
uni_var_params_params = params.get(Pluggable.SECTION_KEY_UNIVARIATE_DISTRIBUTION)
num_qubits = uni_var_params_params.get('num_qubits')
params = uni_var_params_params.get('params')
low = uni_var_params_params.get('low')
high = uni_var_params_params.get('high')
var_form_params = params.get(Pluggable.SECTION_KEY_VAR_FORM)
var_form = get_pluggable_class(PluggableType.VARIATIONAL_FORM, var_form_params['name']).init_params(params)
return cls(num_qubits, var_form, params, low, high)
def init_params(cls, params, algo_input):
"""
Initialize via parameters dictionary and algorithm input instance
Args:
params: parameters dictionary
algo_input: input instance
"""
if algo_input is not None:
raise AquaError("Unexpected Input instance.")
grover_params = params.get(QuantumAlgorithm.SECTION_KEY_ALGORITHM)
incremental = grover_params.get(Grover.PROP_INCREMENTAL)
num_iterations = grover_params.get(Grover.PROP_NUM_ITERATIONS)
mct_mode = grover_params.get(Grover.PROP_MCT_MODE)
oracle_params = params.get(QuantumAlgorithm.SECTION_KEY_ORACLE)
oracle = get_pluggable_class(
PluggableType.ORACLE,
oracle_params['name']).init_params(oracle_params)
return cls(oracle,
incremental=incremental,
num_iterations=num_iterations,
mct_mode=mct_mode)
def test_nlopt(self, name):
""" NLopt test """
optimizer = get_pluggable_class(PluggableType.OPTIMIZER, name)()
optimizer.set_options(**{'max_evals': 50000})
res = self._optimize(optimizer)
self.assertLessEqual(res[2], 50000)