def test_best_mapping_ghz_state_full_device_multiple_qregs(self):
"""Test best mappings with multiple registers"""
backend = FakeLima()
qr_a = QuantumRegister(2)
qr_b = QuantumRegister(3)
qc = QuantumCircuit(qr_a, qr_b)
qc.h(qr_a[0])
qc.cx(qr_a[0], qr_a[1])
qc.cx(qr_a[0], qr_b[0])
qc.cx(qr_a[0], qr_b[1])
qc.cx(qr_a[0], qr_b[2])
qc.measure_all()
tqc = transpile(qc,
backend,
seed_transpiler=self.seed,
layout_method="trivial")
initial_layout = tqc._layout
dag = circuit_to_dag(tqc)
cmap = CouplingMap(backend.configuration().coupling_map)
props = backend.properties()
pass_ = VF2PostLayout(coupling_map=cmap,
properties=props,
seed=self.seed,
strict_direction=False)
pass_.run(dag)
self.assertLayout(dag, cmap, pass_.property_set)
self.assertNotEqual(pass_.property_set["post_layout"], initial_layout)
def test_transpile_level_3(self):
"""Make sure that transpile with optimization_level=2 transpiles
the Clifford."""
cliff1 = self.create_cliff1()
qc = QuantumCircuit(3)
qc.append(cliff1, [0, 1, 2])
self.assertIn("clifford", qc.count_ops())
qc2 = transpile(qc, optimization_level=3)
self.assertNotIn("clifford", qc2.count_ops())
def test_2q_circuit_5q_backend_v2(self):
"""A simple example, without considering the direction
0 - 1
qr1 - qr0
"""
backend = FakeYorktownV2()
qr = QuantumRegister(2, "qr")
circuit = QuantumCircuit(qr)
circuit.cx(qr[1], qr[0]) # qr1 -> qr0
tqc = transpile(circuit, backend, layout_method="dense")
initial_layout = tqc._layout
dag = circuit_to_dag(tqc)
pass_ = VF2PostLayout(target=backend.target, seed=self.seed)
pass_.run(dag)
self.assertLayoutV2(dag, backend.target, pass_.property_set)
self.assertNotEqual(pass_.property_set["post_layout"], initial_layout)
def test_2q_circuit_5q_backend(self):
"""A simple example, without considering the direction
0 - 1
qr1 - qr0
"""
backend = FakeYorktown()
qr = QuantumRegister(2, "qr")
circuit = QuantumCircuit(qr)
circuit.cx(qr[1], qr[0]) # qr1 -> qr0
tqc = transpile(circuit, backend, layout_method="dense")
initial_layout = tqc._layout
dag = circuit_to_dag(tqc)
cmap = CouplingMap(backend.configuration().coupling_map)
props = backend.properties()
pass_ = VF2PostLayout(coupling_map=cmap,
properties=props,
seed=self.seed)
pass_.run(dag)
self.assertLayout(dag, cmap, pass_.property_set)
self.assertNotEqual(pass_.property_set["post_layout"], initial_layout)
def test_best_mapping_ghz_state_full_device_multiple_qregs_v2(self):
"""Test best mappings with multiple registers"""
backend = FakeLimaV2()
qr_a = QuantumRegister(2)
qr_b = QuantumRegister(3)
qc = QuantumCircuit(qr_a, qr_b)
qc.h(qr_a[0])
qc.cx(qr_a[0], qr_a[1])
qc.cx(qr_a[0], qr_b[0])
qc.cx(qr_a[0], qr_b[1])
qc.cx(qr_a[0], qr_b[2])
qc.measure_all()
tqc = transpile(qc,
backend,
seed_transpiler=self.seed,
layout_method="trivial")
initial_layout = tqc._layout
dag = circuit_to_dag(tqc)
pass_ = VF2PostLayout(target=backend.target, seed=self.seed)
pass_.run(dag)
self.assertLayoutV2(dag, backend.target, pass_.property_set)
self.assertNotEqual(pass_.property_set["post_layout"], initial_layout)
def compile(circuits,
backend,
config=None,
basis_gates=None,
coupling_map=None,
initial_layout=None,
shots=1024,
max_credits=10,
seed=None,
qobj_id=None,
seed_mapper=None,
pass_manager=None,
memory=False):
"""Compile a list of circuits into a qobj.
Args:
circuits (QuantumCircuit or list[QuantumCircuit]): circuits to compile
backend (BaseBackend): a backend to compile for
config (dict): dictionary of parameters (e.g. noise) used by runner
basis_gates (list[str]): list of basis gates names supported by the
target. Default: ['u1','u2','u3','cx','id']
coupling_map (list): coupling map (perhaps custom) to target in mapping
initial_layout (list): initial layout of qubits in mapping
shots (int): number of repetitions of each circuit, for sampling
max_credits (int): maximum credits to use
seed (int): random seed for simulators
seed_mapper (int): random seed for swapper mapper
qobj_id (int): identifier for the generated qobj
pass_manager (PassManager): a pass manger for the transpiler pipeline
memory (bool): if True, per-shot measurement bitstrings are returned as well
Returns:
Qobj: the qobj to be run on the backends
Raises:
QiskitError: if the desired options are not supported by backend
"""
warnings.warn(
'qiskit.compile() is deprecated and will be removed in Qiskit Terra 0.9. '
'Please use qiskit.compiler.transpile() to transform circuits '
'and qiskit.compiler.assemble() to produce a runnable qobj.',
DeprecationWarning)
new_circuits = transpile(circuits,
basis_gates=basis_gates,
coupling_map=coupling_map,
initial_layout=initial_layout,
seed_transpiler=seed_mapper,
backend=backend,
pass_manager=pass_manager)
qobj = assemble(new_circuits,
qobj_header=None,
shots=shots,
max_credits=max_credits,
seed_simulator=seed,
memory=memory,
qobj_id=qobj_id,
config=config) # deprecated
return qobj
