def _define(self):
"""Calculate a subcircuit that implements this initialization
Implements a recursive initialization algorithm, including optimizations,
from "Synthesis of Quantum Logic Circuits" Shende, Bullock, Markov
https://arxiv.org/abs/quant-ph/0406176v5
Additionally implements some extra optimizations: remove zero rotations and
double cnots.
"""
# call to generate the circuit that takes the desired vector to zero
disentangling_circuit = self.gates_to_uncompute()
# invert the circuit to create the desired vector from zero (assuming
# the qubits are in the zero state)
initialize_instr = disentangling_circuit.to_instruction().inverse()
q = QuantumRegister(self.num_qubits, 'q')
initialize_circuit = QuantumCircuit(self.controlled_qubit,
q,
name='init_def')
for qubit in q:
initialize_circuit.append(Reset(), [qubit])
# WATCH ME: cambiati registri
temp_qubitsreg = [self.controlled_qubit[0]] + q[:]
# initialize_circuit.append(initialize_instr, q[:])
initialize_circuit.append(initialize_instr, temp_qubitsreg)
self.definition = initialize_circuit.data
def reset(self, qubit):
"""Reset instruction.
"""
if self.creg is not None:
condition = (self.creg, self.cval)
else:
condition = None
self.circuit.apply_operation_back(Reset(qubit), condition)
def _define_from_int(self):
q = QuantumRegister(self.num_qubits, 'q')
initialize_circuit = QuantumCircuit(q, name='init_def')
# Convert to int since QuantumCircuit converted to complex
# and make a bit string and reverse it
intstr = f'{int(np.real(self.params[0])):0{self.num_qubits}b}'[::-1]
# Raise if number of bits is greater than num_qubits
if len(intstr) > self.num_qubits:
raise QiskitError("Initialize integer has %s bits, but this exceeds the"
" number of qubits in the circuit, %s." %
(len(intstr), self.num_qubits))
for qubit, bit in enumerate(intstr):
initialize_circuit.append(Reset(), [q[qubit]])
if bit == '1':
initialize_circuit.append(XGate(), [q[qubit]])
return initialize_circuit
def _define_from_label(self):
q = QuantumRegister(self.num_qubits, "q")
initialize_circuit = QuantumCircuit(q, name="init_def")
for qubit, param in enumerate(reversed(self.params)):
initialize_circuit.append(Reset(), [q[qubit]])
if param == "1":
initialize_circuit.append(XGate(), [q[qubit]])
elif param == "+":
initialize_circuit.append(HGate(), [q[qubit]])
elif param == "-":
initialize_circuit.append(XGate(), [q[qubit]])
initialize_circuit.append(HGate(), [q[qubit]])
elif param == "r": # |+i>
initialize_circuit.append(HGate(), [q[qubit]])
initialize_circuit.append(SGate(), [q[qubit]])
elif param == "l": # |-i>
initialize_circuit.append(HGate(), [q[qubit]])
initialize_circuit.append(SdgGate(), [q[qubit]])
return initialize_circuit
def _define_from_label(self):
q = QuantumRegister(self.num_qubits, 'q')
initialize_circuit = QuantumCircuit(q, name='init_def')
for qubit, param in enumerate(reversed(self.params)):
initialize_circuit.append(Reset(), [q[qubit]])
if param == '1':
initialize_circuit.append(XGate(), [q[qubit]])
elif param == '+':
initialize_circuit.append(HGate(), [q[qubit]])
elif param == '-':
initialize_circuit.append(XGate(), [q[qubit]])
initialize_circuit.append(HGate(), [q[qubit]])
elif param == 'r': # |+i>
initialize_circuit.append(HGate(), [q[qubit]])
initialize_circuit.append(SGate(), [q[qubit]])
elif param == 'l': # |-i>
initialize_circuit.append(HGate(), [q[qubit]])
initialize_circuit.append(SdgGate(), [q[qubit]])
return initialize_circuit
def _process_node(self, node):
"""Carry out the action associated with a node."""
if node.type == "program":
self._process_children(node)
elif node.type == "qreg":
qreg = QuantumRegister(node.index, node.name)
self.dag.add_qreg(qreg)
elif node.type == "creg":
creg = ClassicalRegister(node.index, node.name)
self.dag.add_creg(creg)
elif node.type == "id":
raise QiskitError("internal error: _process_node on id")
elif node.type == "int":
raise QiskitError("internal error: _process_node on int")
elif node.type == "real":
raise QiskitError("internal error: _process_node on real")
elif node.type == "indexed_id":
raise QiskitError("internal error: _process_node on indexed_id")
elif node.type == "id_list":
# We process id_list nodes when they are leaves of barriers.
return [self._process_bit_id(node_children)
for node_children in node.children]
elif node.type == "primary_list":
# We should only be called for a barrier.
return [self._process_bit_id(m) for m in node.children]
elif node.type == "gate":
self._process_gate(node)
elif node.type == "custom_unitary":
self._process_custom_unitary(node)
elif node.type == "universal_unitary":
args = self._process_node(node.children[0])
qid = self._process_bit_id(node.children[1])
for element in qid:
u3_gate = U3Gate(*args, element)
u3_gate.condition = self.condition
self.dag.apply_operation_back(u3_gate)
elif node.type == "cnot":
self._process_cnot(node)
elif node.type == "expression_list":
return node.children
elif node.type == "binop":
raise QiskitError("internal error: _process_node on binop")
elif node.type == "prefix":
raise QiskitError("internal error: _process_node on prefix")
elif node.type == "measure":
self._process_measure(node)
elif node.type == "format":
self.version = node.version()
elif node.type == "barrier":
ids = self._process_node(node.children[0])
qubits = []
for qubit in ids:
for j, _ in enumerate(qubit):
qubits.append(qubit[j])
self.dag.apply_operation_back(Barrier(len(qubits)), qubits, [])
elif node.type == "reset":
id0 = self._process_bit_id(node.children[0])
for i, _ in enumerate(id0):
reset = Reset()
reset.condition = self.condition
self.dag.apply_operation_back(reset, [id0[i]], [])
elif node.type == "if":
self._process_if(node)
elif node.type == "opaque":
self._process_gate(node, opaque=True)
elif node.type == "external":
raise QiskitError("internal error: _process_node on external")
else:
raise QiskitError("internal error: undefined node type",
node.type, "line=%s" % node.line,
"file=%s" % node.file)
return None
def convert_to_target(conf_dict: dict,
props_dict: dict = None,
defs_dict: dict = None) -> Target:
"""Uses configuration, properties and pulse defaults dicts
to construct and return Target class.
"""
name_mapping = {
"id": IGate(),
"sx": SXGate(),
"x": XGate(),
"cx": CXGate(),
"rz": RZGate(Parameter("λ")),
"reset": Reset(),
}
custom_gates = {}
qubit_props = None
if props_dict:
qubit_props = qubit_props_from_props(props_dict)
target = Target(qubit_properties=qubit_props)
# Parse from properties if it exsits
if props_dict is not None:
# Parse instructions
gates = {}
for gate in props_dict["gates"]:
name = gate["gate"]
if name in name_mapping:
if name not in gates:
gates[name] = {}
elif name not in custom_gates:
custom_gate = Gate(name, len(gate["qubits"]), [])
custom_gates[name] = custom_gate
gates[name] = {}
qubits = tuple(gate["qubits"])
gate_props = {}
for param in gate["parameters"]:
if param["name"] == "gate_error":
gate_props["error"] = param["value"]
if param["name"] == "gate_length":
gate_props["duration"] = apply_prefix(
param["value"], param["unit"])
gates[name][qubits] = InstructionProperties(**gate_props)
for gate, props in gates.items():
if gate in name_mapping:
inst = name_mapping.get(gate)
else:
inst = custom_gates[gate]
target.add_instruction(inst, props)
# Create measurement instructions:
measure_props = {}
count = 0
for qubit in props_dict["qubits"]:
qubit_prop = {}
for prop in qubit:
if prop["name"] == "readout_length":
qubit_prop["duration"] = apply_prefix(
prop["value"], prop["unit"])
if prop["name"] == "readout_error":
qubit_prop["error"] = prop["value"]
measure_props[(count, )] = InstructionProperties(**qubit_prop)
count += 1
target.add_instruction(Measure(), measure_props)
# Parse from configuration because properties doesn't exist
else:
for gate in conf_dict["gates"]:
name = gate["name"]
gate_props = {tuple(x): None for x in gate["coupling_map"]}
if name in name_mapping:
target.add_instruction(name_mapping[name], gate_props)
else:
custom_gate = Gate(name, len(gate["coupling_map"][0]), [])
target.add_instruction(custom_gate, gate_props)
measure_props = {(n, ): None for n in range(conf_dict["n_qubits"])}
target.add_instruction(Measure(), measure_props)
# parse global configuration properties
dt = conf_dict.get("dt")
if dt:
target.dt = dt * 1e-9
if "timing_constraints" in conf_dict:
target.granularity = conf_dict["timing_constraints"].get("granularity")
target.min_length = conf_dict["timing_constraints"].get("min_length")
target.pulse_alignment = conf_dict["timing_constraints"].get(
"pulse_alignment")
target.aquire_alignment = conf_dict["timing_constraints"].get(
"acquire_alignment")
# If pulse defaults exists use that as the source of truth
if defs_dict is not None:
# TODO remove the usage of PulseDefaults as it will be deprecated in the future
pulse_defs = PulseDefaults.from_dict(defs_dict)
inst_map = pulse_defs.instruction_schedule_map
for inst in inst_map.instructions:
for qarg in inst_map.qubits_with_instruction(inst):
sched = inst_map.get(inst, qarg)
if inst in target:
try:
qarg = tuple(qarg)
except TypeError:
qarg = (qarg, )
if inst == "measure":
for qubit in qarg:
target[inst][(qubit, )].calibration = sched
else:
target[inst][qarg].calibration = sched
target.add_instruction(Delay(Parameter("t")),
{(bit, ): None
for bit in range(target.num_qubits)})
return target
def __init__(self):
super().__init__(
name="FakeMumbaiV2",
description="A fake BackendV2 example based on IBM Mumbai",
online_date=datetime.datetime.utcnow(),
backend_version="0.0.1",
)
dt = 0.2222222222222222e-9
self._target = Target(dt=dt)
self._phi = Parameter("phi")
rz_props = {
(0, ): InstructionProperties(duration=0.0, error=0),
(1, ): InstructionProperties(duration=0.0, error=0),
(2, ): InstructionProperties(duration=0.0, error=0),
(3, ): InstructionProperties(duration=0.0, error=0),
(4, ): InstructionProperties(duration=0.0, error=0),
(5, ): InstructionProperties(duration=0.0, error=0),
(6, ): InstructionProperties(duration=0.0, error=0),
(7, ): InstructionProperties(duration=0.0, error=0),
(8, ): InstructionProperties(duration=0.0, error=0),
(9, ): InstructionProperties(duration=0.0, error=0),
(10, ): InstructionProperties(duration=0.0, error=0),
(11, ): InstructionProperties(duration=0.0, error=0),
(12, ): InstructionProperties(duration=0.0, error=0),
(13, ): InstructionProperties(duration=0.0, error=0),
(14, ): InstructionProperties(duration=0.0, error=0),
(15, ): InstructionProperties(duration=0.0, error=0),
(16, ): InstructionProperties(duration=0.0, error=0),
(17, ): InstructionProperties(duration=0.0, error=0),
(18, ): InstructionProperties(duration=0.0, error=0),
(19, ): InstructionProperties(duration=0.0, error=0),
(20, ): InstructionProperties(duration=0.0, error=0),
(21, ): InstructionProperties(duration=0.0, error=0),
(22, ): InstructionProperties(duration=0.0, error=0),
(23, ): InstructionProperties(duration=0.0, error=0),
(24, ): InstructionProperties(duration=0.0, error=0),
(25, ): InstructionProperties(duration=0.0, error=0),
(26, ): InstructionProperties(duration=0.0, error=0),
}
self._target.add_instruction(RZGate(self._phi), rz_props)
x_props = {
(0, ):
InstructionProperties(duration=3.5555555555555554e-08,
error=0.00020056469709026198),
(1, ):
InstructionProperties(duration=3.5555555555555554e-08,
error=0.0004387432040599484),
(2, ):
InstructionProperties(duration=3.5555555555555554e-08,
error=0.0002196765027963209),
(3, ):
InstructionProperties(duration=3.5555555555555554e-08,
error=0.0003065541555566093),
(4, ):
InstructionProperties(duration=3.5555555555555554e-08,
error=0.0002402026686478811),
(5, ):
InstructionProperties(duration=3.5555555555555554e-08,
error=0.0002162777062721698),
(6, ):
InstructionProperties(duration=3.5555555555555554e-08,
error=0.00021981280474256117),
(7, ):
InstructionProperties(duration=3.5555555555555554e-08,
error=0.00018585647396926756),
(8, ):
InstructionProperties(duration=3.5555555555555554e-08,
error=0.00027053333211825124),
(9, ):
InstructionProperties(duration=3.5555555555555554e-08,
error=0.0002603116226593832),
(10, ):
InstructionProperties(duration=3.5555555555555554e-08,
error=0.00023827406030798066),
(11, ):
InstructionProperties(duration=3.5555555555555554e-08,
error=0.00024856063217108685),
(12, ):
InstructionProperties(duration=3.5555555555555554e-08,
error=0.0002065075637361354),
(13, ):
InstructionProperties(duration=3.5555555555555554e-08,
error=0.00024898181450337464),
(14, ):
InstructionProperties(duration=3.5555555555555554e-08,
error=0.00017758796319636606),
(15, ):
InstructionProperties(duration=3.5555555555555554e-08,
error=0.00016530893922883836),
(16, ):
InstructionProperties(duration=3.5555555555555554e-08,
error=0.0003213658218204255),
(17, ):
InstructionProperties(duration=3.5555555555555554e-08,
error=0.00024068450432012685),
(18, ):
InstructionProperties(duration=3.5555555555555554e-08,
error=0.00026676441863976344),
(19, ):
InstructionProperties(duration=3.5555555555555554e-08,
error=0.00017090891698571018),
(20, ):
InstructionProperties(duration=3.5555555555555554e-08,
error=0.00021057196071004095),
(21, ):
InstructionProperties(duration=3.5555555555555554e-08,
error=0.00030445404779882887),
(22, ):
InstructionProperties(duration=3.5555555555555554e-08,
error=0.00019322295843406375),
(23, ):
InstructionProperties(duration=3.5555555555555554e-08,
error=0.00030966037392287727),
(24, ):
InstructionProperties(duration=3.5555555555555554e-08,
error=0.00023570754161126),
(25, ):
InstructionProperties(duration=3.5555555555555554e-08,
error=0.00018367783963229033),
(26, ):
InstructionProperties(duration=3.5555555555555554e-08,
error=0.00019630609928571516),
}
self._target.add_instruction(XGate(), x_props)
sx_props = {
(0, ):
InstructionProperties(duration=3.5555555555555554e-08,
error=0.00020056469709026198),
(1, ):
InstructionProperties(duration=3.5555555555555554e-08,
error=0.0004387432040599484),
(2, ):
InstructionProperties(duration=3.5555555555555554e-08,
error=0.0002196765027963209),
(3, ):
InstructionProperties(duration=3.5555555555555554e-08,
error=0.0003065541555566093),
(4, ):
InstructionProperties(duration=3.5555555555555554e-08,
error=0.0002402026686478811),
(5, ):
InstructionProperties(duration=3.5555555555555554e-08,
error=0.0002162777062721698),
(6, ):
InstructionProperties(duration=3.5555555555555554e-08,
error=0.00021981280474256117),
(7, ):
InstructionProperties(duration=3.5555555555555554e-08,
error=0.00018585647396926756),
(8, ):
InstructionProperties(duration=3.5555555555555554e-08,
error=0.00027053333211825124),
(9, ):
InstructionProperties(duration=3.5555555555555554e-08,
error=0.0002603116226593832),
(10, ):
InstructionProperties(duration=3.5555555555555554e-08,
error=0.00023827406030798066),
(11, ):
InstructionProperties(duration=3.5555555555555554e-08,
error=0.00024856063217108685),
(12, ):
InstructionProperties(duration=3.5555555555555554e-08,
error=0.0002065075637361354),
(13, ):
InstructionProperties(duration=3.5555555555555554e-08,
error=0.00024898181450337464),
(14, ):
InstructionProperties(duration=3.5555555555555554e-08,
error=0.00017758796319636606),
(15, ):
InstructionProperties(duration=3.5555555555555554e-08,
error=0.00016530893922883836),
(16, ):
InstructionProperties(duration=3.5555555555555554e-08,
error=0.0003213658218204255),
(17, ):
InstructionProperties(duration=3.5555555555555554e-08,
error=0.00024068450432012685),
(18, ):
InstructionProperties(duration=3.5555555555555554e-08,
error=0.00026676441863976344),
(19, ):
InstructionProperties(duration=3.5555555555555554e-08,
error=0.00017090891698571018),
(20, ):
InstructionProperties(duration=3.5555555555555554e-08,
error=0.00021057196071004095),
(21, ):
InstructionProperties(duration=3.5555555555555554e-08,
error=0.00030445404779882887),
(22, ):
InstructionProperties(duration=3.5555555555555554e-08,
error=0.00019322295843406375),
(23, ):
InstructionProperties(duration=3.5555555555555554e-08,
error=0.00030966037392287727),
(24, ):
InstructionProperties(duration=3.5555555555555554e-08,
error=0.00023570754161126),
(25, ):
InstructionProperties(duration=3.5555555555555554e-08,
error=0.00018367783963229033),
(26, ):
InstructionProperties(duration=3.5555555555555554e-08,
error=0.00019630609928571516),
}
self._target.add_instruction(SXGate(), sx_props)
chunk_size = 16
cx_props = {
(0, 1):
InstructionProperties(duration=101 * chunk_size * dt,
error=0.030671121181161276),
(4, 1):
InstructionProperties(duration=70 * chunk_size * dt,
error=0.014041986073052737),
(4, 7):
InstructionProperties(duration=74 * chunk_size * dt,
error=0.0052040275323747),
(10, 7):
InstructionProperties(duration=92 * chunk_size * dt,
error=0.005625282141655502),
(10, 12):
InstructionProperties(duration=84 * chunk_size * dt,
error=0.005771827440726435),
(15, 12):
InstructionProperties(duration=84 * chunk_size * dt,
error=0.0050335609425562755),
(15, 18):
InstructionProperties(duration=64 * chunk_size * dt,
error=0.0051374141171115495),
(12, 13):
InstructionProperties(duration=70 * chunk_size * dt,
error=0.011361175954064051),
(13, 14):
InstructionProperties(duration=101 * chunk_size * dt,
error=0.005231334872256355),
# From FakeMumbai:
(1, 0):
InstructionProperties(duration=4.551111111111111e-07,
error=0.030671121181161276),
(1, 2):
InstructionProperties(duration=7.395555555555556e-07,
error=0.03420291964205785),
(1, 4):
InstructionProperties(duration=3.6266666666666663e-07,
error=0.014041986073052737),
(2, 1):
InstructionProperties(duration=7.04e-07,
error=0.03420291964205785),
(2, 3):
InstructionProperties(duration=4.266666666666666e-07,
error=0.005618162036535312),
(3, 2):
InstructionProperties(duration=3.911111111111111e-07,
error=0.005618162036535312),
(3, 5):
InstructionProperties(duration=3.5555555555555553e-07,
error=0.006954580732294352),
(5, 3):
InstructionProperties(duration=3.911111111111111e-07,
error=0.006954580732294352),
(5, 8):
InstructionProperties(duration=1.3155555555555553e-06,
error=0.021905829471073668),
(6, 7):
InstructionProperties(duration=2.4177777777777775e-07,
error=0.011018069718028878),
(7, 4):
InstructionProperties(duration=3.7688888888888884e-07,
error=0.0052040275323747),
(7, 6):
InstructionProperties(duration=2.7733333333333333e-07,
error=0.011018069718028878),
(7, 10):
InstructionProperties(duration=4.337777777777778e-07,
error=0.005625282141655502),
(8, 5):
InstructionProperties(duration=1.351111111111111e-06,
error=0.021905829471073668),
(8, 9):
InstructionProperties(duration=6.897777777777777e-07,
error=0.011889378687341773),
(8, 11):
InstructionProperties(duration=5.902222222222222e-07,
error=0.009523844852027258),
(9, 8):
InstructionProperties(duration=6.542222222222222e-07,
error=0.011889378687341773),
(11, 8):
InstructionProperties(duration=6.257777777777777e-07,
error=0.009523844852027258),
(11, 14):
InstructionProperties(duration=4.053333333333333e-07,
error=0.004685421425282804),
(12, 10):
InstructionProperties(duration=3.9822222222222215e-07,
error=0.005771827440726435),
(12, 15):
InstructionProperties(duration=4.053333333333333e-07,
error=0.0050335609425562755),
(13, 12):
InstructionProperties(duration=5.831111111111111e-07,
error=0.011361175954064051),
(14, 11):
InstructionProperties(duration=3.697777777777778e-07,
error=0.004685421425282804),
(14, 13):
InstructionProperties(duration=3.5555555555555553e-07,
error=0.005231334872256355),
(14, 16):
InstructionProperties(duration=3.484444444444444e-07,
error=0.0051117141032224755),
(16, 14):
InstructionProperties(duration=3.1288888888888885e-07,
error=0.0051117141032224755),
(16, 19):
InstructionProperties(duration=7.537777777777777e-07,
error=0.013736796355458464),
(17, 18):
InstructionProperties(duration=2.488888888888889e-07,
error=0.007267536233537236),
(18, 15):
InstructionProperties(duration=3.413333333333333e-07,
error=0.0051374141171115495),
(18, 17):
InstructionProperties(duration=2.8444444444444443e-07,
error=0.007267536233537236),
(18, 21):
InstructionProperties(duration=4.977777777777778e-07,
error=0.007718304749257138),
(19, 16):
InstructionProperties(duration=7.182222222222222e-07,
error=0.013736796355458464),
(19, 20):
InstructionProperties(duration=4.266666666666666e-07,
error=0.005757038521092134),
(19, 22):
InstructionProperties(duration=3.6266666666666663e-07,
error=0.004661878013991871),
(20, 19):
InstructionProperties(duration=3.911111111111111e-07,
error=0.005757038521092134),
(21, 18):
InstructionProperties(duration=5.333333333333332e-07,
error=0.007718304749257138),
(21, 23):
InstructionProperties(duration=3.911111111111111e-07,
error=0.007542515578725928),
(22, 19):
InstructionProperties(duration=3.271111111111111e-07,
error=0.004661878013991871),
(22, 25):
InstructionProperties(duration=4.835555555555555e-07,
error=0.005536735115231589),
(23, 21):
InstructionProperties(duration=4.266666666666666e-07,
error=0.007542515578725928),
(23, 24):
InstructionProperties(duration=6.613333333333332e-07,
error=0.010797784688907186),
(24, 23):
InstructionProperties(duration=6.257777777777777e-07,
error=0.010797784688907186),
(24, 25):
InstructionProperties(duration=4.337777777777778e-07,
error=0.006127506135155392),
(25, 22):
InstructionProperties(duration=4.48e-07,
error=0.005536735115231589),
(25, 24):
InstructionProperties(duration=4.693333333333333e-07,
error=0.006127506135155392),
(25, 26):
InstructionProperties(duration=3.484444444444444e-07,
error=0.0048451525929122385),
(26, 25):
InstructionProperties(duration=3.1288888888888885e-07,
error=0.0048451525929122385),
}
self.target.add_instruction(CXGate(), cx_props)
# Error and duration the same as CX
rzx_90_props = {
(0, 1):
InstructionProperties(duration=101 * chunk_size * dt,
error=0.030671121181161276),
(4, 1):
InstructionProperties(duration=70 * chunk_size * dt,
error=0.014041986073052737),
(4, 7):
InstructionProperties(duration=74 * chunk_size * dt,
error=0.0052040275323747),
(10, 7):
InstructionProperties(duration=92 * chunk_size * dt,
error=0.005625282141655502),
(10, 12):
InstructionProperties(duration=84 * chunk_size * dt,
error=0.005771827440726435),
(15, 12):
InstructionProperties(duration=84 * chunk_size * dt,
error=0.0050335609425562755),
(15, 18):
InstructionProperties(duration=64 * chunk_size * dt,
error=0.0051374141171115495),
(12, 13):
InstructionProperties(duration=70 * chunk_size * dt,
error=0.011361175954064051),
(13, 14):
InstructionProperties(duration=101 * chunk_size * dt,
error=0.005231334872256355),
}
self.target.add_instruction(RZXGate(np.pi / 2),
rzx_90_props,
name="rzx_90")
rzx_45_props = {
(0, 1):
InstructionProperties(duration=52 * chunk_size * dt,
error=0.030671121181161276 / 2),
(4, 1):
InstructionProperties(duration=37 * chunk_size * dt,
error=0.014041986073052737 / 2),
(4, 7):
InstructionProperties(duration=40 * chunk_size * dt,
error=0.0052040275323747 / 2),
(10, 7):
InstructionProperties(duration=46 * chunk_size * dt,
error=0.005625282141655502 / 2),
(10, 12):
InstructionProperties(duration=45 * chunk_size * dt,
error=0.005771827440726435 / 2),
(15, 12):
InstructionProperties(duration=42 * chunk_size * dt,
error=0.0050335609425562755 / 2),
(15, 18):
InstructionProperties(duration=34 * chunk_size * dt,
error=0.0051374141171115495 / 2),
(12, 13):
InstructionProperties(duration=37 * chunk_size * dt,
error=0.011361175954064051 / 2),
(13, 14):
InstructionProperties(duration=52 * chunk_size * dt,
error=0.005231334872256355 / 2),
}
self.target.add_instruction(RZXGate(np.pi / 4),
rzx_45_props,
name="rzx_45")
rzx_30_props = {
(0, 1):
InstructionProperties(duration=37 * chunk_size * dt,
error=0.030671121181161276 / 3),
(4, 1):
InstructionProperties(duration=24 * chunk_size * dt,
error=0.014041986073052737 / 3),
(4, 7):
InstructionProperties(duration=29 * chunk_size * dt,
error=0.0052040275323747 / 3),
(10, 7):
InstructionProperties(duration=32 * chunk_size * dt,
error=0.005625282141655502 / 3),
(10, 12):
InstructionProperties(duration=32 * chunk_size * dt,
error=0.005771827440726435 / 3),
(15, 12):
InstructionProperties(duration=29 * chunk_size * dt,
error=0.0050335609425562755 / 3),
(15, 18):
InstructionProperties(duration=26 * chunk_size * dt,
error=0.0051374141171115495 / 3),
(12, 13):
InstructionProperties(duration=24 * chunk_size * dt,
error=0.011361175954064051 / 3),
(13, 14):
InstructionProperties(duration=377 * chunk_size * dt,
error=0.005231334872256355 / 3),
}
self.target.add_instruction(RZXGate(np.pi / 6),
rzx_30_props,
name="rzx_30")
reset_props = {(i, ):
InstructionProperties(duration=3676.4444444444443)
for i in range(27)}
self._target.add_instruction(Reset(), reset_props)
meas_props = {
(0, ):
InstructionProperties(duration=3.552e-06,
error=0.02089999999999992),
(1, ):
InstructionProperties(duration=3.552e-06,
error=0.020199999999999996),
(2, ):
InstructionProperties(duration=3.552e-06,
error=0.014100000000000001),
(3, ):
InstructionProperties(duration=3.552e-06,
error=0.03710000000000002),
(4, ):
InstructionProperties(duration=3.552e-06,
error=0.015100000000000002),
(5, ):
InstructionProperties(duration=3.552e-06,
error=0.01869999999999994),
(6, ):
InstructionProperties(duration=3.552e-06,
error=0.013000000000000012),
(7, ):
InstructionProperties(duration=3.552e-06,
error=0.02059999999999995),
(8, ):
InstructionProperties(duration=3.552e-06,
error=0.06099999999999994),
(9, ):
InstructionProperties(duration=3.552e-06,
error=0.02950000000000008),
(10, ):
InstructionProperties(duration=3.552e-06,
error=0.040000000000000036),
(11, ):
InstructionProperties(duration=3.552e-06,
error=0.017299999999999982),
(12, ):
InstructionProperties(duration=3.552e-06,
error=0.04410000000000003),
(13, ):
InstructionProperties(duration=3.552e-06,
error=0.017199999999999993),
(14, ):
InstructionProperties(duration=3.552e-06,
error=0.10119999999999996),
(15, ):
InstructionProperties(duration=3.552e-06,
error=0.07840000000000003),
(16, ):
InstructionProperties(duration=3.552e-06,
error=0.014499999999999957),
(17, ):
InstructionProperties(duration=3.552e-06,
error=0.021299999999999986),
(18, ):
InstructionProperties(duration=3.552e-06,
error=0.022399999999999975),
(19, ):
InstructionProperties(duration=3.552e-06,
error=0.01859999999999995),
(20, ):
InstructionProperties(duration=3.552e-06,
error=0.02859999999999996),
(21, ):
InstructionProperties(duration=3.552e-06,
error=0.021600000000000064),
(22, ):
InstructionProperties(duration=3.552e-06,
error=0.030200000000000005),
(23, ):
InstructionProperties(duration=3.552e-06,
error=0.01970000000000005),
(24, ):
InstructionProperties(duration=3.552e-06,
error=0.03079999999999994),
(25, ):
InstructionProperties(duration=3.552e-06,
error=0.04400000000000004),
(26, ):
InstructionProperties(duration=3.552e-06,
error=0.026800000000000046),
}
self.target.add_instruction(Measure(), meas_props)
self._qubit_properties = {
0:
QubitProperties(t1=0.00015987993124584417,
t2=0.00016123516590787283,
frequency=5073462814.921423),
1:
QubitProperties(t1=0.00017271188343294773,
t2=3.653713654834547e-05,
frequency=4943844681.620448),
2:
QubitProperties(t1=7.179635917914033e-05,
t2=0.00012399765778639733,
frequency=4668157502.363186),
3:
QubitProperties(t1=0.0001124203171256432,
t2=0.0001879954854434302,
frequency=4887315883.214115),
4:
QubitProperties(t1=9.568769051084652e-05,
t2=6.9955557231525e-05,
frequency=5016355075.77537),
5:
QubitProperties(t1=9.361326963775646e-05,
t2=0.00012561361411231962,
frequency=4950539585.866738),
6:
QubitProperties(t1=9.735672898365994e-05,
t2=0.00012522003396944046,
frequency=4970622491.726983),
7:
QubitProperties(t1=0.00012117839009784141,
t2=0.0001492370106539427,
frequency=4889863864.167805),
8:
QubitProperties(t1=8.394707006435891e-05,
t2=5.5194256398727296e-05,
frequency=4769852625.405966),
9:
QubitProperties(t1=0.00012392229685657686,
t2=5.97129502818714e-05,
frequency=4948868138.885028),
10:
QubitProperties(t1=0.00011193014813922708,
t2=0.00014091085124119432,
frequency=4966294754.357908),
11:
QubitProperties(t1=0.000124426408667364,
t2=9.561432905002298e-05,
frequency=4664636564.282378),
12:
QubitProperties(t1=0.00012469120424014884,
t2=7.1792446286313e-05,
frequency=4741461907.952719),
13:
QubitProperties(t1=0.00010010942474357871,
t2=9.260751861141544e-05,
frequency=4879064835.799635),
14:
QubitProperties(t1=0.00010793367069728063,
t2=0.00020462601085738193,
frequency=4774809501.962878),
15:
QubitProperties(t1=0.00010814279470918582,
t2=0.00014052616328020083,
frequency=4860834948.367331),
16:
QubitProperties(t1=9.889617874757627e-05,
t2=0.00012160357011388956,
frequency=4978318747.333388),
17:
QubitProperties(t1=8.435212562619916e-05,
t2=4.43587633824445e-05,
frequency=5000300619.491221),
18:
QubitProperties(t1=0.00011719166507869474,
t2=5.461866556148401e-05,
frequency=4772460318.985625),
19:
QubitProperties(t1=0.00013321880066203932,
t2=0.0001704632622810825,
frequency=4807707035.998121),
20:
QubitProperties(t1=9.14192211953385e-05,
t2=0.00014298332288799443,
frequency=5045028334.669125),
21:
QubitProperties(t1=5.548103716494676e-05,
t2=9.328101902519704e-05,
frequency=4941029753.792485),
22:
QubitProperties(t1=0.00017109481586484562,
t2=0.00019209594920551097,
frequency=4906801587.246266),
23:
QubitProperties(t1=0.00010975552427765991,
t2=0.00015616813868639905,
frequency=4891601685.652732),
24:
QubitProperties(t1=0.0001612962696960434,
t2=6.940808472789023e-05,
frequency=4664347869.784967),
25:
QubitProperties(t1=0.00015414506978323392,
t2=8.382170181880107e-05,
frequency=4742061753.511209),
26:
QubitProperties(t1=0.00011828557676958944,
t2=0.00016963640893557827,
frequency=4961661099.733828),
}
def convert_to_target(
configuration: BackendConfiguration,
properties: BackendProperties = None,
defaults: PulseDefaults = None,
) -> Target:
"""Uses configuration, properties and pulse defaults
to construct and return Target class.
"""
name_mapping = {
"id": IGate(),
"sx": SXGate(),
"x": XGate(),
"cx": CXGate(),
"rz": RZGate(Parameter("λ")),
"reset": Reset(),
}
custom_gates = {}
target = None
# Parse from properties if it exsits
if properties is not None:
qubit_properties = qubit_props_list_from_props(properties=properties)
target = Target(
num_qubits=configuration.n_qubits, qubit_properties=qubit_properties
)
# Parse instructions
gates: Dict[str, Any] = {}
for gate in properties.gates:
name = gate.gate
if name in name_mapping:
if name not in gates:
gates[name] = {}
elif name not in custom_gates:
custom_gate = Gate(name, len(gate.qubits), [])
custom_gates[name] = custom_gate
gates[name] = {}
qubits = tuple(gate.qubits)
gate_props = {}
for param in gate.parameters:
if param.name == "gate_error":
gate_props["error"] = param.value
if param.name == "gate_length":
gate_props["duration"] = apply_prefix(param.value, param.unit)
gates[name][qubits] = InstructionProperties(**gate_props)
for gate, props in gates.items():
if gate in name_mapping:
inst = name_mapping.get(gate)
else:
inst = custom_gates[gate]
target.add_instruction(inst, props)
# Create measurement instructions:
measure_props = {}
for qubit, _ in enumerate(properties.qubits):
measure_props[(qubit,)] = InstructionProperties(
duration=properties.readout_length(qubit),
error=properties.readout_error(qubit),
)
target.add_instruction(Measure(), measure_props)
# Parse from configuration because properties doesn't exist
else:
target = Target(num_qubits=configuration.n_qubits)
for gate in configuration.gates:
name = gate.name
gate_props = (
{tuple(x): None for x in gate.coupling_map} # type: ignore[misc]
if hasattr(gate, "coupling_map")
else {None: None}
)
gate_len = len(gate.coupling_map[0]) if hasattr(gate, "coupling_map") else 0
if name in name_mapping:
target.add_instruction(name_mapping[name], gate_props)
else:
custom_gate = Gate(name, gate_len, [])
target.add_instruction(custom_gate, gate_props)
target.add_instruction(Measure())
# parse global configuration properties
if hasattr(configuration, "dt"):
target.dt = configuration.dt
if hasattr(configuration, "timing_constraints"):
target.granularity = configuration.timing_constraints.get("granularity")
target.min_length = configuration.timing_constraints.get("min_length")
target.pulse_alignment = configuration.timing_constraints.get("pulse_alignment")
target.aquire_alignment = configuration.timing_constraints.get(
"acquire_alignment"
)
# If a pulse defaults exists use that as the source of truth
if defaults is not None:
inst_map = defaults.instruction_schedule_map
for inst in inst_map.instructions:
for qarg in inst_map.qubits_with_instruction(inst):
sched = inst_map.get(inst, qarg)
if inst in target:
try:
qarg = tuple(qarg)
except TypeError:
qarg = (qarg,)
if inst == "measure":
for qubit in qarg:
target[inst][(qubit,)].calibration = sched
else:
target[inst][qarg].calibration = sched
if "delay" not in target:
target.add_instruction(
Delay(Parameter("t")), {(bit,): None for bit in range(target.num_qubits)}
)
return target