def _resolve_parameters_(
self, param_resolver: cirq.ParamResolver
) -> "General1BitRotation":
return General1BitRotation(
rad1=param_resolver.value_of(self.rad1),
rad2=param_resolver.value_of(self.rad2),
rad3=param_resolver.value_of(self.rad3)
)
def test_plugins_honeywell_cirq(self):
with unittest.mock.patch.object(
Job,
self.mock_create_job_id_name,
return_value=self.get_test_job_id(),
):
workspace = self.create_workspace()
service = AzureQuantumService(workspace=workspace)
program = self._3_qubit_ghz_cirq()
try:
run_result = service.run(program=program,
repetitions=500,
target="honeywell.hqs-lt-s1-apival",
timeout_seconds=60)
except TimeoutError as e:
# Pass on timeout
warnings.warn("Honeywell execution exceeded timeout. \
Skipping fetching results.")
if self.is_playback:
raise e
except RuntimeError as e:
# cirq_ionq currently throws a RuntimeError both if the job
# failed and on timeout.
# See: https://github.com/quantumlib/Cirq/issues/4507
if 'Job failed' in str(e) or self.is_playback:
warnings.warn(f"Honeywell job execution failed: {str(e)}")
raise e
else:
warnings.warn("Honeywell execution exceeded timeout. \
Skipping fetching results.")
else:
job_no_program = service.get_job(self.get_test_job_id())
job_with_program = service.get_job(self.get_test_job_id(),
program=program)
target = service._target_factory.create_target(
provider_id="honeywell", name="honeywell.hqs-lt-s1-apival")
job_result1 = target._to_cirq_result(
result=job_no_program.results(),
param_resolver=ParamResolver({}))
job_result2 = target._to_cirq_result(
result=job_with_program.results(),
param_resolver=ParamResolver({}))
for result in [run_result, job_result1, job_result2]:
assert "q0" in result.measurements
assert "q1" in result.measurements
assert "q2" in result.measurements
assert len(result.measurements["q0"]) == 500
assert len(result.measurements["q1"]) == 500
assert len(result.measurements["q2"]) == 500
assert result.measurements["q0"].sum(
) == result.measurements["q1"].sum()
assert result.measurements["q1"].sum(
) == result.measurements["q2"].sum()
def noisy_job(a, b, x, z, alpha, exact=False):
"""Adds noise to compression circuit.
Args:
=====
a, b, x, z : numeric
Circuit parameters for encoding circuit
alpha : numeric
Parameter for state preparation circuit
exact : bool
If True, works with wavefunction
Returns:
========
noisy_circuit : cirq.Circuit
Noisy version of input circuit
param_resolvers : list
"""
job = Job(compression_circuit(a, b, x, z, alpha, exact))
noisy = DepolarizerChannel(probability=noise_level)
noisy_job = noisy.transform_job(job)
param_resolvers = [
ParamResolver({k: v
for k, v in e}) for e in noisy_job.sweep.param_tuples()
]
return noisy_job.circuit, param_resolvers
def resolve_parameters(
val: Any, param_resolver: 'cirq.ParamResolverOrSimilarType') -> Any:
"""Resolves symbol parameters in the effect using the param resolver.
This function will use the `_resolve_parameters_` magic method
of `val` to resolve any Symbols with concrete values from the given
parameter resolver.
Args:
val: The object to resolve (e.g. the gate, operation, etc)
param_resolver: the object to use for resolving all symbols
Returns:
a gate or operation of the same type, but with all Symbols
replaced with floats according to the given ParamResolver.
If `val` has no `_resolve_parameters_` method or if it returns
NotImplemented, `val` itself is returned.
"""
if not param_resolver:
return val
# Ensure its a dictionary wrapped in a ParamResolver.
from cirq import ParamResolver # HACK: break cycle.
param_resolver = ParamResolver(param_resolver)
if isinstance(val, sympy.Basic):
return param_resolver.value_of(val)
getter = getattr(val, '_resolve_parameters_', None)
result = NotImplemented if getter is None else getter(param_resolver)
if result is not NotImplemented:
return result
else:
return val
def _resolve_parameters_(
self, param_resolver: cirq.ParamResolver) -> "PauliWordExpGate":
return TwoPauliExpGate(
pauli0=self.pauli0,
pauli1=self.pauli1,
rad=param_resolver.value_of(self.rad),
)
def add_noise(circuit, noise_level):
"""Adds depolarizing noise to circuit.
Args:
=====
circuit : cirq.Circuit
Circuit in which noise to be added
noise_level : float
Probability of a qubit being affected by the noise channel in a given moment
Returns:
========
noisy_circuit : cirq.Circuit
Noisy version of circuit
"""
job = Job(circuit)
noisy_channel = DepolarizerChannel(probability=noise_level)
noisy_job = noisy_channel.transform_job(job)
param_resolvers = [
ParamResolver({k: v
for k, v in e}) for e in noisy_job.sweep.param_tuples()
]
return noisy_job.circuit, param_resolvers
def noisy_job_stage3(aht, ht, zz, exact=False):
"""Adds noise to decoding circuit.
Args:
=====
aht, ht, zz : numeric
Circuit parameters for decoding circuit
exact : bool
If True, works with wavefunction
Returns:
========
noisy_circuit : cirq.Circuit
Noisy version of input circuit
param_resolvers : list
"""
job = Job(decoder_circuit(aht, ht, zz, exact))
noisy = DepolarizerChannel(probability=noise_level)
noisy_job = noisy.transform_job(job)
param_resolvers = [
ParamResolver({k: v
for k, v in e}) for e in noisy_job.sweep.param_tuples()
]
return noisy_job.circuit, param_resolvers
def _resolve_parameters_(
self, param_resolver: cirq.ParamResolver) -> "GlobalPhaseGate":
return GlobalPhaseGate(rad=param_resolver.value_of(self.rad))
def _resolve_parameters_(
self, param_resolver: cirq.ParamResolver) -> "PauliWordExpGate":
return PauliWordExpGate(coefficient=param_resolver.value_of(
self.coefficient),
pauli_word=self.pauli_word)
