def test_metadata_correct():
qubits = cirq.GridQubit.rect(2, 3, left=1, top=1)
pairs = [
(qubits[0], qubits[1]),
(qubits[0], qubits[3]),
(qubits[1], qubits[4]),
(qubits[4], qubits[5]),
]
device_proto = cgdk.create_device_proto_for_qubits(
qubits=qubits, pairs=pairs, gate_sets=[cg.FSIM_GATESET])
device = cgdk.SerializableDevice.from_proto(device_proto,
gate_sets=[cg.FSIM_GATESET])
assert device.metadata.qubit_pairs == frozenset(
{frozenset(p)
for p in pairs})
assert device.metadata.gateset == cirq.Gateset(
cirq.FSimGate,
cirq.ISwapPowGate,
cirq.CZPowGate,
cirq.PhasedXPowGate,
cirq.XPowGate,
cirq.YPowGate,
cirq.ZPowGate,
cirq.PhasedXZGate,
cirq.MeasurementGate,
cirq.WaitGate,
cirq.GlobalPhaseGate,
)
def test_create_device_proto_for_irregular_grid():
qubits = cirq.GridQubit.rect(2, 2)
pairs = [
(cirq.GridQubit(0, 0), cirq.GridQubit(0, 1)),
(cirq.GridQubit(0, 0), cirq.GridQubit(1, 0)),
(cirq.GridQubit(1, 0), cirq.GridQubit(1, 1)),
]
proto = known_devices.create_device_proto_for_qubits(qubits, pairs)
assert (str(proto) == """\
valid_qubits: "0_0"
valid_qubits: "0_1"
valid_qubits: "1_0"
valid_qubits: "1_1"
valid_targets {
name: "meas_targets"
target_ordering: SUBSET_PERMUTATION
}
valid_targets {
name: "2_qubit_targets"
target_ordering: SYMMETRIC
targets {
ids: "0_0"
ids: "0_1"
}
targets {
ids: "0_0"
ids: "1_0"
}
targets {
ids: "1_0"
ids: "1_1"
}
}
""")
def test_str_with_grid_qubits():
# Deprecations: cirq_google.SerializableDevice, well-known cirq_google SerializableGateSets
# (e.g. cirq_google.SYC_GATESET) and
# cirq_google.devices.known_devices.create_device_proto_for_qubits
with cirq.testing.assert_deprecated(
'Use cirq_google.GridDevice',
'SerializableGateSet',
'create_device_specification_proto()` can be used',
deadline='v0.16',
count=5,
):
qubits = cirq.GridQubit.rect(2, 3, left=1, top=1)
device_proto = cgdk.create_device_proto_for_qubits(
qubits=qubits,
pairs=[
(qubits[0], qubits[1]),
(qubits[0], qubits[3]),
(qubits[1], qubits[4]),
(qubits[4], qubits[5]),
],
gate_sets=[cg.FSIM_GATESET],
)
device = cg.SerializableDevice.from_proto(device_proto,
gate_sets=[cg.FSIM_GATESET])
assert str(device) == textwrap.dedent("""\
q(1, 1)───q(1, 2) q(1, 3)
│ │
│ │
q(2, 1) q(2, 2)───q(2, 3)""")
def test_str_with_grid_qubits():
qubits = cirq.GridQubit.rect(2, 3, left=1, top=1)
device_proto = cgdk.create_device_proto_for_qubits(
qubits=qubits,
pairs=[
(qubits[0], qubits[1]),
(qubits[0], qubits[3]),
(qubits[1], qubits[4]),
(qubits[4], qubits[5]),
],
gate_sets=[cg.FSIM_GATESET],
)
device = cgdk.SerializableDevice.from_proto(device_proto,
gate_sets=[cg.FSIM_GATESET])
assert str(device) == textwrap.dedent("""\
q(1, 1)───q(1, 2) q(1, 3)
│ │
│ │
q(2, 1) q(2, 2)───q(2, 3)""")
def test_metadata_correct():
# Deprecations: cirq_google.SerializableDevice, well-known cirq_google SerializableGateSets
# (e.g. cirq_google.SYC_GATESET) and
# cirq_google.devices.known_devices.create_device_proto_for_qubits
with cirq.testing.assert_deprecated(
'Use cirq_google.GridDevice',
'SerializableGateSet',
'create_device_specification_proto()` can be used',
deadline='v0.16',
count=5,
):
qubits = cirq.GridQubit.rect(2, 3, left=1, top=1)
pairs = [
(qubits[0], qubits[1]),
(qubits[0], qubits[3]),
(qubits[1], qubits[4]),
(qubits[4], qubits[5]),
]
device_proto = cgdk.create_device_proto_for_qubits(
qubits=qubits, pairs=pairs, gate_sets=[cg.FSIM_GATESET])
device = cg.SerializableDevice.from_proto(device_proto,
gate_sets=[cg.FSIM_GATESET])
assert device.metadata.qubit_pairs == frozenset(
{frozenset(p)
for p in pairs})
assert device.metadata.gateset == cirq.Gateset(
cirq.FSimGate,
cirq.ISwapPowGate,
cirq.CZPowGate,
cirq.PhasedXPowGate,
cirq.XPowGate,
cirq.YPowGate,
cirq.ZPowGate,
cirq.PhasedXZGate,
cirq.MeasurementGate,
cirq.WaitGate,
cirq.GlobalPhaseGate,
)
def test_create_device_proto_for_irregular_grid():
qubits = cirq.GridQubit.rect(2, 2)
pairs = [
(cirq.GridQubit(0, 0), cirq.GridQubit(0, 1)),
(cirq.GridQubit(0, 0), cirq.GridQubit(1, 0)),
(cirq.GridQubit(1, 0), cirq.GridQubit(1, 1)),
]
with cirq.testing.assert_deprecated(
'create_device_specification_proto()` can be used',
deadline='v0.16',
count=1):
proto = known_devices.create_device_proto_for_qubits(qubits, pairs)
assert (str(proto) == """\
valid_qubits: "0_0"
valid_qubits: "0_1"
valid_qubits: "1_0"
valid_qubits: "1_1"
valid_targets {
name: "meas_targets"
target_ordering: SUBSET_PERMUTATION
}
valid_targets {
name: "2_qubit_targets"
target_ordering: SYMMETRIC
targets {
ids: "0_0"
ids: "0_1"
}
targets {
ids: "0_0"
ids: "1_0"
}
targets {
ids: "1_0"
ids: "1_1"
}
}
""")
def test_to_proto_backward_compatibility():
# Deprecations: cirq_google.SerializableGateSet and
# cirq_google.device.known_devices.create_device_proto_for_qubits()
with cirq.testing.assert_deprecated(
'SerializableGateSet',
'create_device_specification_proto()` can be used',
deadline='v0.16',
count=None,
):
device_info, _ = _create_device_spec_with_horizontal_couplings()
# The set of gates in gate_durations are consistent with what's generated in
# _create_device_spec_with_horizontal_couplings()
base_duration = cirq.Duration(picos=1_000)
gate_durations = {
cirq.GateFamily(cirq_google.SYC):
base_duration * 0,
cirq.GateFamily(cirq.SQRT_ISWAP):
base_duration * 1,
cirq.GateFamily(cirq.SQRT_ISWAP_INV):
base_duration * 2,
cirq.GateFamily(cirq.CZ):
base_duration * 3,
cirq.GateFamily(cirq.ops.phased_x_z_gate.PhasedXZGate):
base_duration * 4,
cirq.GateFamily(cirq.ops.common_gates.ZPowGate,
tags_to_ignore=[cirq_google.PhysicalZTag()]):
base_duration * 5,
cirq.GateFamily(cirq.ops.common_gates.ZPowGate,
tags_to_accept=[cirq_google.PhysicalZTag()]):
base_duration * 6,
cirq.GateFamily(cirq_google.experimental.ops.coupler_pulse.CouplerPulse):
base_duration * 7,
cirq.GateFamily(cirq.ops.measurement_gate.MeasurementGate):
base_duration * 8,
cirq.GateFamily(cirq.ops.wait_gate.WaitGate):
base_duration * 9,
}
# Serialize the old way
spec = known_devices.create_device_proto_for_qubits(
device_info.grid_qubits,
device_info.qubit_pairs,
[cirq_google.FSIM_GATESET],
known_devices._SYCAMORE_DURATIONS_PICOS,
)
# Serialize the new way
grid_device.create_device_specification_proto(
qubits=device_info.grid_qubits,
pairs=device_info.qubit_pairs,
gateset=cirq.Gateset(*gate_durations.keys()),
gate_durations=gate_durations,
out=spec,
)
with cirq.testing.assert_deprecated('Use cirq_google.GridDevice',
deadline='v0.16',
count=None):
# Deserialize both ways
serializable_dev = cirq_google.SerializableDevice.from_proto(
spec, [cirq_google.FSIM_GATESET])
grid_dev = cirq_google.GridDevice.from_proto(spec)
assert serializable_dev.metadata.qubit_set == grid_dev.metadata.qubit_set
assert serializable_dev.metadata.qubit_pairs == grid_dev.metadata.qubit_pairs
assert serializable_dev.metadata.gateset == cirq.Gateset(
cirq.FSimGate,
cirq.ISwapPowGate,
cirq.CZPowGate,
cirq.PhasedXPowGate,
cirq.XPowGate,
cirq.YPowGate,
cirq.ZPowGate,
cirq.PhasedXZGate,
cirq.MeasurementGate,
cirq.WaitGate,
cirq.GlobalPhaseGate,
)
assert grid_dev.metadata.gateset == device_info.expected_gateset
assert (tuple(grid_dev.metadata.compilation_target_gatesets) ==
device_info.expected_target_gatesets)
assert grid_dev.metadata.gate_durations == device_info.expected_gate_durations
