def test_insertion_noise():
q0, q1 = cirq.LineQubit.range(2)
op_id0 = OpIdentifier(cirq.XPowGate, q0)
op_id1 = OpIdentifier(cirq.ZPowGate, q1)
model = InsertionNoiseModel({
op_id0: cirq.T(q0),
op_id1: cirq.H(q1)
},
require_physical_tag=False)
assert not model.prepend
moment_0 = cirq.Moment(cirq.X(q0), cirq.X(q1))
assert model.noisy_moment(moment_0, system_qubits=[q0, q1]) == [
moment_0,
cirq.Moment(cirq.T(q0)),
]
moment_1 = cirq.Moment(cirq.Z(q0), cirq.Z(q1))
assert model.noisy_moment(moment_1, system_qubits=[q0, q1]) == [
moment_1,
cirq.Moment(cirq.H(q1)),
]
moment_2 = cirq.Moment(cirq.X(q0), cirq.Z(q1))
assert model.noisy_moment(moment_2, system_qubits=[q0, q1]) == [
moment_2,
cirq.Moment(cirq.T(q0), cirq.H(q1)),
]
moment_3 = cirq.Moment(cirq.Z(q0), cirq.X(q1))
assert model.noisy_moment(moment_3, system_qubits=[q0, q1]) == [moment_3]
def sample_noise_properties(
system_qubits: List[cirq.Qid], qubit_pairs: List[Tuple[cirq.Qid, cirq.Qid]]
):
# Known false positive: https://github.com/PyCQA/pylint/issues/5857
return GoogleNoiseProperties( # pylint: disable=unexpected-keyword-arg
gate_times_ns=DEFAULT_GATE_NS,
t1_ns={q: 1e5 for q in system_qubits},
tphi_ns={q: 2e5 for q in system_qubits},
readout_errors={q: np.array([SINGLE_QUBIT_ERROR, TWO_QUBIT_ERROR]) for q in system_qubits},
gate_pauli_errors={
**{
OpIdentifier(g, q): 0.001
for g in GoogleNoiseProperties.single_qubit_gates()
for q in system_qubits
},
**{
OpIdentifier(g, q0, q1): 0.01
for g in GoogleNoiseProperties.symmetric_two_qubit_gates()
for q0, q1 in qubit_pairs
},
},
fsim_errors={
OpIdentifier(g, q0, q1): cirq.PhasedFSimGate(0.01, 0.03, 0.04, 0.05, 0.02)
for g in GoogleNoiseProperties.symmetric_two_qubit_gates()
for q0, q1 in qubit_pairs
},
)
def test_op_id_swap():
q0, q1 = cirq.LineQubit.range(2)
base_id = OpIdentifier(cirq.CZPowGate, q0, q1)
swap_id = OpIdentifier(base_id.gate_type, *base_id.qubits[::-1])
assert cirq.CZ(q0, q1) in base_id
assert cirq.CZ(q0, q1) not in swap_id
assert cirq.CZ(q1, q0) not in base_id
assert cirq.CZ(q1, q0) in swap_id
def build_noise_models(self):
add_h = InsertionNoiseModel(
{OpIdentifier(cirq.Gate, q): cirq.H(q)
for q in self.qubits})
add_iswap = InsertionNoiseModel({
OpIdentifier(cirq.Gate, *qs): cirq.ISWAP(*qs)
for qs in self.qubit_pairs
})
return [add_h, add_iswap]
def test_require_physical_tag():
q0, q1 = cirq.LineQubit.range(2)
op_id0 = OpIdentifier(cirq.XPowGate, q0)
op_id1 = OpIdentifier(cirq.ZPowGate, q1)
model = InsertionNoiseModel({op_id0: cirq.T(q0), op_id1: cirq.H(q1)})
assert model.require_physical_tag
moment_0 = cirq.Moment(cirq.X(q0).with_tags(PHYSICAL_GATE_TAG), cirq.Z(q1))
assert model.noisy_moment(moment_0, system_qubits=[q0, q1]) == [
moment_0,
cirq.Moment(cirq.T(q0)),
]
def test_prepend():
q0, q1 = cirq.LineQubit.range(2)
op_id0 = OpIdentifier(cirq.XPowGate, q0)
op_id1 = OpIdentifier(cirq.ZPowGate, q1)
model = InsertionNoiseModel(
{op_id0: cirq.T(q0), op_id1: cirq.H(q1)}, prepend=True, require_physical_tag=False
)
moment_0 = cirq.Moment(cirq.X(q0), cirq.Z(q1))
assert model.noisy_moment(moment_0, system_qubits=[q0, q1]) == [
cirq.Moment(cirq.T(q0), cirq.H(q1)),
moment_0,
]
def test_supertype_match():
# Verifies that ops in gate_pauli_errors which only appear as their
# supertypes in fsim_errors are properly accounted for.
q0, q1 = cirq.LineQubit.range(2)
op_id = OpIdentifier(cirq_google.SycamoreGate, q0, q1)
test_props = sample_noise_properties([q0, q1], [(q0, q1), (q1, q0)])
expected_err = test_props._depolarizing_error[op_id]
props = sample_noise_properties([q0, q1], [(q0, q1), (q1, q0)])
props.fsim_errors = {
k: cirq.PhasedFSimGate(0.5, 0.4, 0.3, 0.2, 0.1)
for k in [OpIdentifier(cirq.FSimGate, q0, q1), OpIdentifier(cirq.FSimGate, q1, q0)]
}
assert props._depolarizing_error[op_id] != expected_err
def test_op_identifier_subtypes():
gate_id = OpIdentifier(cirq.Gate)
xpow_id = OpIdentifier(cirq.XPowGate)
x_on_q0_id = OpIdentifier(cirq.XPowGate, cirq.LineQubit(0))
assert xpow_id.is_proper_subtype_of(gate_id)
assert x_on_q0_id.is_proper_subtype_of(xpow_id)
assert x_on_q0_id.is_proper_subtype_of(gate_id)
assert not xpow_id.is_proper_subtype_of(xpow_id)
def test_supertype_matching():
# Demonstrate that the model applies the closest matching type
# if multiple types match a given gate.
q0 = cirq.LineQubit(0)
op_id0 = OpIdentifier(cirq.Gate, q0)
op_id1 = OpIdentifier(cirq.XPowGate, q0)
model = InsertionNoiseModel(
{op_id0: cirq.T(q0), op_id1: cirq.S(q0)}, require_physical_tag=False
)
moment_0 = cirq.Moment(cirq.Rx(rads=1).on(q0))
assert model.noisy_moment(moment_0, system_qubits=[q0]) == [moment_0, cirq.Moment(cirq.S(q0))]
moment_1 = cirq.Moment(cirq.Y(q0))
assert model.noisy_moment(moment_1, system_qubits=[q0]) == [moment_1, cirq.Moment(cirq.T(q0))]
def test_op_id_str():
op_id = OpIdentifier(cirq.XPowGate, cirq.LineQubit(0))
print(op_id)
print(repr(op_id))
assert str(
op_id
) == "<class 'cirq.ops.common_gates.XPowGate'>(cirq.LineQubit(0),)"
assert repr(op_id) == (
"cirq.devices.noise_utils.OpIdentifier(cirq.ops.common_gates.XPowGate, cirq.LineQubit(0))"
)
def default_props(system_qubits: List[cirq.Qid], qubit_pairs: List[Tuple[cirq.Qid, cirq.Qid]]):
return {
'gate_times_ns': DEFAULT_GATE_NS,
't1_ns': {q: 1e5 for q in system_qubits},
'tphi_ns': {q: 2e5 for q in system_qubits},
'readout_errors': {q: [0.001, 0.01] for q in system_qubits},
'gate_pauli_errors': {
**{
OpIdentifier(g, q): 0.001
for g in TestNoiseProperties.single_qubit_gates()
for q in system_qubits
},
**{
OpIdentifier(g, q0, q1): 0.01
for g in TestNoiseProperties.two_qubit_gates()
for q0, q1 in qubit_pairs
},
},
}
def test_colliding_noise_qubits():
# Check that noise affecting other qubits doesn't cause issues.
q0, q1, q2, q3 = cirq.LineQubit.range(4)
op_id0 = OpIdentifier(cirq.CZPowGate)
model = InsertionNoiseModel({op_id0: cirq.CNOT(q1, q2)}, require_physical_tag=False)
moment_0 = cirq.Moment(cirq.CZ(q0, q1), cirq.CZ(q2, q3))
assert model.noisy_moment(moment_0, system_qubits=[q0, q1, q2, q3]) == [
moment_0,
cirq.Moment(cirq.CNOT(q1, q2)),
cirq.Moment(cirq.CNOT(q1, q2)),
]
def test_depol_validation():
q0, q1, q2 = cirq.LineQubit.range(3)
# Create unvalidated properties with too many qubits on a Z gate.
z_2q_props = TestNoiseProperties(
gate_times_ns=DEFAULT_GATE_NS,
t1_ns={q0: 1},
tphi_ns={q0: 1},
readout_errors={q0: [0.1, 0.2]},
gate_pauli_errors={OpIdentifier(cirq.ZPowGate, q0, q1): 0.1},
validate=False,
)
with pytest.raises(ValueError, match='takes 1 qubit'):
_ = z_2q_props._depolarizing_error
# Create unvalidated properties with too many qubits on a CZ gate.
cz_3q_props = TestNoiseProperties(
gate_times_ns=DEFAULT_GATE_NS,
t1_ns={q0: 1},
tphi_ns={q0: 1},
readout_errors={q0: [0.1, 0.2]},
gate_pauli_errors={OpIdentifier(cirq.CZPowGate, q0, q1, q2): 0.1},
validate=False,
)
with pytest.raises(ValueError, match='takes 2 qubit'):
_ = cz_3q_props._depolarizing_error
# Unsupported gates are only checked in constructor.
toffoli_props = TestNoiseProperties(
gate_times_ns=DEFAULT_GATE_NS,
t1_ns={q0: 1},
tphi_ns={q0: 1},
readout_errors={q0: [0.1, 0.2]},
gate_pauli_errors={OpIdentifier(cirq.CCXPowGate, q0, q1, q2): 0.1},
validate=False,
)
with pytest.raises(ValueError):
_ = toffoli_props._depolarizing_error
def test_op_identifier():
op_id = OpIdentifier(cirq.XPowGate)
assert cirq.X(cirq.LineQubit(1)) in op_id
assert cirq.Rx(rads=1) in op_id
def test_init_validation():
q0, q1, q2 = cirq.LineQubit.range(3)
with pytest.raises(
ValueError,
match='Keys specified for T1 and Tphi are not identical.'):
_ = TestNoiseProperties(
gate_times_ns=DEFAULT_GATE_NS,
t1_ns={},
tphi_ns={q0: 1},
readout_errors={q0: [0.1, 0.2]},
gate_pauli_errors={},
)
with pytest.raises(
ValueError,
match='Symmetric errors can only apply to 2-qubit gates.'):
_ = TestNoiseProperties(
gate_times_ns=DEFAULT_GATE_NS,
t1_ns={q0: 1},
tphi_ns={q0: 1},
readout_errors={q0: [0.1, 0.2]},
gate_pauli_errors={OpIdentifier(cirq.CCNOT, q0, q1, q2): 0.1},
)
with pytest.raises(ValueError,
match='does not appear in the symmetric or asymmetric'):
_ = TestNoiseProperties(
gate_times_ns=DEFAULT_GATE_NS,
t1_ns={q0: 1},
tphi_ns={q0: 1},
readout_errors={q0: [0.1, 0.2]},
gate_pauli_errors={
OpIdentifier(cirq.CNOT, q0, q1): 0.1,
OpIdentifier(cirq.CNOT, q1, q0): 0.1,
},
)
with pytest.raises(ValueError, match='has errors but its symmetric id'):
_ = TestNoiseProperties(
gate_times_ns=DEFAULT_GATE_NS,
t1_ns={q0: 1},
tphi_ns={q0: 1},
readout_errors={q0: [0.1, 0.2]},
gate_pauli_errors={OpIdentifier(cirq.CZPowGate, q0, q1): 0.1},
)
# Single-qubit gates are ignored in symmetric-gate validation.
test_props = TestNoiseProperties(
gate_times_ns=DEFAULT_GATE_NS,
t1_ns={q0: 1},
tphi_ns={q0: 1},
readout_errors={q0: [0.1, 0.2]},
gate_pauli_errors={
OpIdentifier(cirq.ZPowGate, q0): 0.1,
OpIdentifier(cirq.CZPowGate, q0, q1): 0.1,
OpIdentifier(cirq.CZPowGate, q1, q0): 0.1,
},
)
assert test_props.expected_gates() == (
TestNoiseProperties.single_qubit_gates()
| TestNoiseProperties.symmetric_two_qubit_gates())
# All errors are ignored if validation is disabled.
_ = TestNoiseProperties(
gate_times_ns=DEFAULT_GATE_NS,
t1_ns={},
tphi_ns={q0: 1},
readout_errors={q0: [0.1, 0.2]},
gate_pauli_errors={
OpIdentifier(cirq.CCNOT, q0, q1, q2): 0.1,
OpIdentifier(cirq.CNOT, q0, q1): 0.1,
},
validate=False,
)
def test_zphase_data():
qubits = [cirq.GridQubit(0, 0), cirq.GridQubit(0, 1), cirq.GridQubit(1, 0)]
pauli_error = [0.001, 0.002, 0.003]
incoherent_error = [0.0001, 0.0002, 0.0003]
p00_error = [0.004, 0.005, 0.006]
p11_error = [0.007, 0.008, 0.009]
t1_micros = [10, 20, 30]
syc_pauli = [0.01, 0.02]
iswap_pauli = [0.03, 0.04]
syc_angles = [
cirq.PhasedFSimGate(theta=0.011, phi=-0.021, zeta=-0.031, gamma=0.043),
cirq.PhasedFSimGate(theta=-0.012, phi=0.022, zeta=0.032, gamma=-0.044),
]
iswap_angles = [
cirq.PhasedFSimGate(theta=-0.013, phi=0.023, zeta=0.031, gamma=-0.043),
cirq.PhasedFSimGate(theta=0.014, phi=-0.024, zeta=-0.032, gamma=0.044),
]
# Create NoiseProperties object from Calibration
calibration = get_mock_calibration(
pauli_error,
incoherent_error,
p00_error,
p11_error,
t1_micros,
syc_pauli,
iswap_pauli,
syc_angles,
iswap_angles,
)
qubit_pairs = [(qubits[0], qubits[1]), (qubits[0], qubits[2])]
zphase_data = {
"syc": {
"zeta": {
qubit_pairs[0]: syc_angles[0].zeta,
qubit_pairs[1]: syc_angles[1].zeta
},
"gamma": {
qubit_pairs[0]: syc_angles[0].gamma,
qubit_pairs[1]: syc_angles[1].gamma
},
},
"sqrt_iswap": {
"zeta": {
qubit_pairs[0]: iswap_angles[0].zeta,
qubit_pairs[1]: iswap_angles[1].zeta
},
"gamma": {
qubit_pairs[0]: iswap_angles[0].gamma,
qubit_pairs[1]: iswap_angles[1].gamma
},
},
}
prop = cirq_google.noise_properties_from_calibration(
calibration, zphase_data)
for i, qs in enumerate(qubit_pairs):
for gate, values in [
(cirq_google.SycamoreGate, syc_angles),
(cirq.ISwapPowGate, iswap_angles),
]:
assert prop.fsim_errors[OpIdentifier(gate, *qs)] == values[i]
assert prop.fsim_errors[OpIdentifier(gate, *qs[::-1])] == values[i]
assert prop.fsim_errors[OpIdentifier(gate, *qs)] == values[i]
assert prop.fsim_errors[OpIdentifier(gate, *qs[::-1])] == values[i]
def test_noise_properties_from_calibration():
qubits = [cirq.GridQubit(0, 0), cirq.GridQubit(0, 1), cirq.GridQubit(1, 0)]
pauli_error = [0.001, 0.002, 0.003]
incoherent_error = [0.0001, 0.0002, 0.0003]
p00_error = [0.004, 0.005, 0.006]
p11_error = [0.007, 0.008, 0.009]
t1_micros = [10, 20, 30]
syc_pauli = [0.01, 0.02]
iswap_pauli = [0.03, 0.04]
syc_angles = [
cirq.PhasedFSimGate(theta=0.011, phi=-0.021),
cirq.PhasedFSimGate(theta=-0.012, phi=0.022),
]
iswap_angles = [
cirq.PhasedFSimGate(theta=-0.013, phi=0.023),
cirq.PhasedFSimGate(theta=0.014, phi=-0.024),
]
_CALIBRATION_DATA = Merge(
f"""
timestamp_ms: 1579214873,
metrics: [{{
name: 'single_qubit_rb_pauli_error_per_gate',
targets: ['0_0'],
values: [{{
double_val: {pauli_error[0]}
}}]
}}, {{
name: 'single_qubit_rb_pauli_error_per_gate',
targets: ['0_1'],
values: [{{
double_val:{pauli_error[1]}
}}]
}}, {{
name: 'single_qubit_rb_pauli_error_per_gate',
targets: ['1_0'],
values: [{{
double_val:{pauli_error[2]}
}}]
}}, {{
name: 'single_qubit_rb_incoherent_error_per_gate',
targets: ['0_0'],
values: [{{
double_val: {incoherent_error[0]}
}}]
}}, {{
name: 'single_qubit_rb_incoherent_error_per_gate',
targets: ['0_1'],
values: [{{
double_val:{incoherent_error[1]}
}}]
}}, {{
name: 'single_qubit_rb_incoherent_error_per_gate',
targets: ['1_0'],
values: [{{
double_val:{incoherent_error[2]}
}}]
}}, {{
name: 'single_qubit_p00_error',
targets: ['0_0'],
values: [{{
double_val: {p00_error[0]}
}}]
}}, {{
name: 'single_qubit_p00_error',
targets: ['0_1'],
values: [{{
double_val: {p00_error[1]}
}}]
}}, {{
name: 'single_qubit_p00_error',
targets: ['1_0'],
values: [{{
double_val: {p00_error[2]}
}}]
}}, {{
name: 'single_qubit_p11_error',
targets: ['0_0'],
values: [{{
double_val: {p11_error[0]}
}}]
}}, {{
name: 'single_qubit_p11_error',
targets: ['0_1'],
values: [{{
double_val: {p11_error[1]}
}}]
}}, {{
name: 'single_qubit_p11_error',
targets: ['1_0'],
values: [{{
double_val: {p11_error[2]}
}}]
}}, {{
name: 'single_qubit_idle_t1_micros',
targets: ['0_0'],
values: [{{
double_val: {t1_micros[0]}
}}]
}}, {{
name: 'single_qubit_idle_t1_micros',
targets: ['0_1'],
values: [{{
double_val: {t1_micros[1]}
}}]
}}, {{
name: 'single_qubit_idle_t1_micros',
targets: ['1_0'],
values: [{{
double_val: {t1_micros[2]}
}}]
}}, {{
name: 'two_qubit_parallel_sycamore_gate_xeb_pauli_error_per_cycle',
targets: ['0_0', '0_1'],
values: [{{
double_val: {syc_pauli[0]}
}}]
}}, {{
name: 'two_qubit_parallel_sycamore_gate_xeb_pauli_error_per_cycle',
targets: ['0_0', '1_0'],
values: [{{
double_val: {syc_pauli[1]}
}}]
}}, {{
name: 'two_qubit_parallel_sqrt_iswap_gate_xeb_pauli_error_per_cycle',
targets: ['0_0', '0_1'],
values: [{{
double_val: {iswap_pauli[0]}
}}]
}}, {{
name: 'two_qubit_parallel_sqrt_iswap_gate_xeb_pauli_error_per_cycle',
targets: ['0_0', '1_0'],
values: [{{
double_val: {iswap_pauli[1]}
}}]
}}, {{
name: 'two_qubit_parallel_sycamore_gate_xeb_entangler_theta_error_per_cycle',
targets: ['0_0', '0_1'],
values: [{{
double_val: {syc_angles[0].theta}
}}]
}}, {{
name: 'two_qubit_parallel_sycamore_gate_xeb_entangler_theta_error_per_cycle',
targets: ['0_0', '1_0'],
values: [{{
double_val: {syc_angles[1].theta}
}}]
}}, {{
name: 'two_qubit_parallel_sqrt_iswap_gate_xeb_entangler_theta_error_per_cycle',
targets: ['0_0', '0_1'],
values: [{{
double_val: {iswap_angles[0].theta}
}}]
}}, {{
name: 'two_qubit_parallel_sqrt_iswap_gate_xeb_entangler_theta_error_per_cycle',
targets: ['0_0', '1_0'],
values: [{{
double_val: {iswap_angles[1].theta}
}}]
}}, {{
name: 'two_qubit_parallel_sycamore_gate_xeb_entangler_phi_error_per_cycle',
targets: ['0_0', '0_1'],
values: [{{
double_val: {syc_angles[0].phi}
}}]
}}, {{
name: 'two_qubit_parallel_sycamore_gate_xeb_entangler_phi_error_per_cycle',
targets: ['0_0', '1_0'],
values: [{{
double_val: {syc_angles[1].phi}
}}]
}}, {{
name: 'two_qubit_parallel_sqrt_iswap_gate_xeb_entangler_phi_error_per_cycle',
targets: ['0_0', '0_1'],
values: [{{
double_val: {iswap_angles[0].phi}
}}]
}}, {{
name: 'two_qubit_parallel_sqrt_iswap_gate_xeb_entangler_phi_error_per_cycle',
targets: ['0_0', '1_0'],
values: [{{
double_val: {iswap_angles[1].phi}
}}]
}}]
""",
cirq_google.api.v2.metrics_pb2.MetricsSnapshot(),
)
# Create NoiseProperties object from Calibration
calibration = cirq_google.Calibration(_CALIBRATION_DATA)
prop = cirq_google.noise_properties_from_calibration(calibration)
for i, q in enumerate(qubits):
assert np.isclose(
prop.gate_pauli_errors[OpIdentifier(cirq.PhasedXZGate, q)],
pauli_error[i])
assert np.allclose(prop.readout_errors[q],
np.array([p00_error[i], p11_error[i]]))
assert np.isclose(prop.t1_ns[q], t1_micros[i] * 1000)
microwave_time_ns = 25.0
tphi_err = incoherent_error[i] - microwave_time_ns / (3 *
prop.t1_ns[q])
if tphi_err > 0:
tphi_ns = microwave_time_ns / (3 * tphi_err)
else:
tphi_ns = 1e10
assert prop.tphi_ns[q] == tphi_ns
qubit_pairs = [(qubits[0], qubits[1]), (qubits[0], qubits[2])]
for i, qs in enumerate(qubit_pairs):
for gate, values in [
(cirq_google.SycamoreGate, syc_pauli),
(cirq.ISwapPowGate, iswap_pauli),
]:
assert np.isclose(prop.gate_pauli_errors[OpIdentifier(gate, *qs)],
values[i])
assert np.isclose(
prop.gate_pauli_errors[OpIdentifier(gate, *qs[::-1])],
values[i])
assert np.isclose(prop.gate_pauli_errors[OpIdentifier(gate, *qs)],
values[i])
assert np.isclose(
prop.gate_pauli_errors[OpIdentifier(gate, *qs[::-1])],
values[i])
for gate, values in [
(cirq_google.SycamoreGate, syc_angles),
(cirq.ISwapPowGate, iswap_angles),
]:
assert prop.fsim_errors[OpIdentifier(gate, *qs)] == values[i]
assert prop.fsim_errors[OpIdentifier(gate, *qs[::-1])] == values[i]
assert prop.fsim_errors[OpIdentifier(gate, *qs)] == values[i]
assert prop.fsim_errors[OpIdentifier(gate, *qs[::-1])] == values[i]
def test_noise_properties_from_calibration():
qubits = [cirq.GridQubit(0, 0), cirq.GridQubit(0, 1), cirq.GridQubit(1, 0)]
pauli_error = [0.001, 0.002, 0.003]
incoherent_error = [0.0001, 0.0002, 0.0003]
p00_error = [0.004, 0.005, 0.006]
p11_error = [0.007, 0.008, 0.009]
t1_micros = [10, 20, 30]
syc_pauli = [0.01, 0.02]
iswap_pauli = [0.03, 0.04]
syc_angles = [
cirq.PhasedFSimGate(theta=0.011, phi=-0.021),
cirq.PhasedFSimGate(theta=-0.012, phi=0.022),
]
iswap_angles = [
cirq.PhasedFSimGate(theta=-0.013, phi=0.023),
cirq.PhasedFSimGate(theta=0.014, phi=-0.024),
]
# Create NoiseProperties object from Calibration
calibration = get_mock_calibration(
pauli_error,
incoherent_error,
p00_error,
p11_error,
t1_micros,
syc_pauli,
iswap_pauli,
syc_angles,
iswap_angles,
)
prop = cirq_google.noise_properties_from_calibration(calibration)
for i, q in enumerate(qubits):
assert np.isclose(
prop.gate_pauli_errors[OpIdentifier(cirq.PhasedXZGate, q)],
pauli_error[i])
assert np.allclose(prop.readout_errors[q],
np.array([p00_error[i], p11_error[i]]))
assert np.isclose(prop.t1_ns[q], t1_micros[i] * 1000)
microwave_time_ns = 25.0
tphi_err = incoherent_error[i] - microwave_time_ns / (3 *
prop.t1_ns[q])
if tphi_err > 0:
tphi_ns = microwave_time_ns / (3 * tphi_err)
else:
tphi_ns = 1e10
assert prop.tphi_ns[q] == tphi_ns
qubit_pairs = [(qubits[0], qubits[1]), (qubits[0], qubits[2])]
for i, qs in enumerate(qubit_pairs):
for gate, values in [
(cirq_google.SycamoreGate, syc_pauli),
(cirq.ISwapPowGate, iswap_pauli),
]:
assert np.isclose(prop.gate_pauli_errors[OpIdentifier(gate, *qs)],
values[i])
assert np.isclose(
prop.gate_pauli_errors[OpIdentifier(gate, *qs[::-1])],
values[i])
assert np.isclose(prop.gate_pauli_errors[OpIdentifier(gate, *qs)],
values[i])
assert np.isclose(
prop.gate_pauli_errors[OpIdentifier(gate, *qs[::-1])],
values[i])
for gate, values in [
(cirq_google.SycamoreGate, syc_angles),
(cirq.ISwapPowGate, iswap_angles),
]:
assert prop.fsim_errors[OpIdentifier(gate, *qs)] == values[i]
assert prop.fsim_errors[OpIdentifier(gate, *qs[::-1])] == values[i]
assert prop.fsim_errors[OpIdentifier(gate, *qs)] == values[i]
assert prop.fsim_errors[OpIdentifier(gate, *qs[::-1])] == values[i]