def test_run_async_simulator(self):
IBMQJob._executor = futures.ThreadPoolExecutor(max_workers=2)
backend = self._provider.get_backend('ibmq_qasm_simulator')
self.log.info('submitting to backend %s', backend.name)
num_qubits = 16
qr = QuantumRegister(num_qubits, 'qr')
cr = ClassicalRegister(num_qubits, 'cr')
qc = QuantumCircuit(qr, cr)
for i in range(num_qubits - 1):
qc.cx(qr[i], qr[i + 1])
qc.measure(qr, cr)
qobj = transpiler.compile([qc] * 10, backend)
num_jobs = 5
job_array = [backend.run(qobj) for _ in range(num_jobs)]
found_async_jobs = False
timeout = 30
start_time = time.time()
while not found_async_jobs:
check = sum([job.running for job in job_array])
if check >= 2:
self.log.info('found %d simultaneous jobs', check)
break
if all([job.done for job in job_array]):
# done too soon? don't generate error
self.log.warning('all jobs completed before simultaneous jobs '
'could be detected')
break
for job in job_array:
self.log.info('%s %s %s %s', job.status['status'], job.running,
check, job.id)
self.log.info('-' * 20 + ' ' + str(time.time() - start_time))
if time.time() - start_time > timeout:
raise TimeoutError('failed to see multiple running jobs after '
'{0} s'.format(timeout))
time.sleep(0.2)
result_array = [job.result() for job in job_array]
self.log.info('got back all job results')
# Ensure all jobs have finished.
self.assertTrue(all([job.done for job in job_array]))
self.assertTrue(
all([
result.get_status() == 'COMPLETED' for result in result_array
]))
# Ensure job ids are unique.
job_ids = [job.id for job in job_array]
self.assertEqual(sorted(job_ids), sorted(list(set(job_ids))))
def test_compile_circuits_diff_registers(self):
"""Compile list of circuits with different qreg names.
"""
backend = FakeBackEnd()
circuits = []
for _ in range(2):
qr = QuantumRegister(2)
cr = ClassicalRegister(2)
circuit = QuantumCircuit(qr, cr)
circuit.h(qr[0])
circuit.cx(qr[0], qr[1])
circuit.measure(qr, cr)
circuits.append(circuit)
qobj = transpiler.compile(circuits, backend)
self.assertIsInstance(qobj, Qobj)
def test_run_async_device(self):
backends = self._provider.available_backends({'simulator': False})
backend = lowest_pending_jobs(backends)
self.log.info('submitting to backend %s', backend.name)
num_qubits = 5
qr = QuantumRegister(num_qubits, 'qr')
cr = ClassicalRegister(num_qubits, 'cr')
qc = QuantumCircuit(qr, cr)
for i in range(num_qubits - 1):
qc.cx(qr[i], qr[i + 1])
qc.measure(qr, cr)
qobj = transpiler.compile(qc, backend)
num_jobs = 3
job_array = [backend.run(qobj) for _ in range(num_jobs)]
time.sleep(3) # give time for jobs to start (better way?)
job_status = [job.status['status'] for job in job_array]
num_init = sum(
[status == JobStatus.INITIALIZING for status in job_status])
num_queued = sum([status == JobStatus.QUEUED for status in job_status])
num_running = sum(
[status == JobStatus.RUNNING for status in job_status])
num_done = sum([status == JobStatus.DONE for status in job_status])
num_error = sum([status == JobStatus.ERROR for status in job_status])
self.log.info('number of currently initializing jobs: %d/%d', num_init,
num_jobs)
self.log.info('number of currently queued jobs: %d/%d', num_queued,
num_jobs)
self.log.info('number of currently running jobs: %d/%d', num_running,
num_jobs)
self.log.info('number of currently done jobs: %d/%d', num_done,
num_jobs)
self.log.info('number of errored jobs: %d/%d', num_error, num_jobs)
self.assertTrue(num_jobs - num_error - num_done > 0)
# Wait for all the results.
result_array = [job.result() for job in job_array]
# Ensure all jobs have finished.
self.assertTrue(all([job.done for job in job_array]))
self.assertTrue(
all([
result.get_status() == 'COMPLETED' for result in result_array
]))
# Ensure job ids are unique.
job_ids = [job.id for job in job_array]
self.assertEqual(sorted(job_ids), sorted(list(set(job_ids))))
def test_cancel(self):
if not self.using_ibmq_credentials:
self.skipTest('job cancellation currently only available on hubs')
backends = [
backend for backend in self._provider.available_backends()
if not backend.configuration['simulator']
]
self.log.info('devices: %s', [b.name for b in backends])
backend = backends[0]
self.log.info('using backend: %s', backend.name)
num_qubits = 5
qr = QuantumRegister(num_qubits, 'qr')
cr = ClassicalRegister(num_qubits, 'cr')
qc = QuantumCircuit(qr, cr)
for i in range(num_qubits - 1):
qc.cx(qr[i], qr[i + 1])
qc.measure(qr, cr)
qobj = transpiler.compile(qc, backend)
num_jobs = 3
job_array = [backend.run(qobj) for _ in range(num_jobs)]
success = False
self.log.info('jobs submitted: %s', num_jobs)
while any([
job.status['status'] == JobStatus.INITIALIZING
for job in job_array
]):
self.log.info('jobs initializing')
time.sleep(1)
for job in job_array:
job.cancel()
while not success:
job_status = [job.status for job in job_array]
for status in job_status:
self.log.info(status)
if any([
status['status'] == JobStatus.CANCELLED
for status in job_status
]):
success = True
if all(
[status['status'] == JobStatus.DONE for status in job_status]):
raise IBMQJobError(
'all jobs completed before any could be cancelled')
self.log.info('-' * 20)
time.sleep(2)
self.assertTrue(success)
def test_compile_run(self):
"""Test Compiler and run.
If all correct some should exists.
"""
backend = get_backend('local_qasm_simulator')
qubit_reg = qiskit.QuantumRegister(2, name='q')
clbit_reg = qiskit.ClassicalRegister(2, name='c')
qc = qiskit.QuantumCircuit(qubit_reg, clbit_reg, name="bell")
qc.h(qubit_reg[0])
qc.cx(qubit_reg[0], qubit_reg[1])
qc.measure(qubit_reg, clbit_reg)
qobj = transpiler.compile(qc, backend)
result = backend.run(qobj).result()
self.assertIsInstance(result, Result)
def test_compile_run_remote(self, qe_token, qe_url):
"""Test Compiler and run remote.
If all correct some should exists.
"""
register(qe_token, qe_url)
backend = available_backends({'local': False, 'simulator': True})[0]
backend = get_backend(backend)
qubit_reg = qiskit.QuantumRegister(2, name='q')
clbit_reg = qiskit.ClassicalRegister(2, name='c')
qc = qiskit.QuantumCircuit(qubit_reg, clbit_reg, name="bell")
qc.h(qubit_reg[0])
qc.cx(qubit_reg[0], qubit_reg[1])
qc.measure(qubit_reg, clbit_reg)
qobj = transpiler.compile(qc, backend, seed=TestCompiler.seed)
job = backend.run(qobj)
result = job.result(timeout=20)
self.assertIsInstance(result, Result)
def test_compile(self):
"""Test Compiler.
If all correct some should exists.
"""
backend = qiskit.Aer.get_backend('local_qasm_simulator')
qubit_reg = QuantumRegister(2, name='q')
clbit_reg = ClassicalRegister(2, name='c')
qc = QuantumCircuit(qubit_reg, clbit_reg, name="bell")
qc.h(qubit_reg[0])
qc.cx(qubit_reg[0], qubit_reg[1])
qc.measure(qubit_reg, clbit_reg)
qobj = transpiler.compile(qc, backend)
# FIXME should validate the Qobj when defined
self.assertIsInstance(qobj, Qobj)
def test_compile(self):
"""Test Compiler.
If all correct some should exists.
"""
backend = get_backend('local_qasm_simulator')
qubit_reg = qiskit.QuantumRegister(2, name='q')
clbit_reg = qiskit.ClassicalRegister(2, name='c')
qc = qiskit.QuantumCircuit(qubit_reg, clbit_reg, name="bell")
qc.h(qubit_reg[0])
qc.cx(qubit_reg[0], qubit_reg[1])
qc.measure(qubit_reg, clbit_reg)
qobj = transpiler.compile(qc, backend)
# FIXME should test against the qobj when defined
self.assertEqual(len(qobj), 3)
def test_compile_run_remote(self, qe_token, qe_url):
"""Test Compiler and run remote.
If all correct some should exists.
"""
qiskit.IBMQ.use_account(qe_token, qe_url)
backend = qiskit.IBMQ.get_backend(local=False, simulator=True)
qubit_reg = QuantumRegister(2, name='q')
clbit_reg = ClassicalRegister(2, name='c')
qc = QuantumCircuit(qubit_reg, clbit_reg, name="bell")
qc.h(qubit_reg[0])
qc.cx(qubit_reg[0], qubit_reg[1])
qc.measure(qubit_reg, clbit_reg)
qobj = transpiler.compile(qc, backend, seed=TestCompiler.seed)
job = backend.run(qobj)
result = job.result(timeout=20)
self.assertIsInstance(result, Result)
def test_mapping_multi_qreg(self):
"""Test mapping works for multiple qregs.
"""
backend = FakeBackEnd()
qr = QuantumRegister(3, name='qr')
qr2 = QuantumRegister(1, name='qr2')
qr3 = QuantumRegister(4, name='qr3')
cr = ClassicalRegister(3, name='cr')
qc = QuantumCircuit(qr, qr2, qr3, cr)
qc.h(qr[0])
qc.cx(qr[0], qr2[0])
qc.cx(qr[1], qr3[2])
qc.measure(qr, cr)
try:
qobj = transpiler.compile(qc, backend)
except QISKitError:
qobj = None
self.assertIsInstance(qobj, Qobj)
def test_mapping_multi_qreg(self):
"""Test mapping works for multiple qregs.
"""
backend = FakeBackEnd()
q = qiskit.QuantumRegister(3, name='qr')
q2 = qiskit.QuantumRegister(1, name='qr2')
q3 = qiskit.QuantumRegister(4, name='qr3')
c = qiskit.ClassicalRegister(3, name='cr')
qc = qiskit.QuantumCircuit(q, q2, q3, c)
qc.h(q[0])
qc.cx(q[0], q2[0])
qc.cx(q[1], q3[2])
qc.measure(q, c)
try:
qobj = transpiler.compile(qc, backend)
except QISKitError:
qobj = None
self.assertIsInstance(qobj, dict)
def test_compile_remote(self, qe_token, qe_url):
"""Test Compiler remote.
If all correct some should exists.
"""
qiskit.IBMQ.use_account(qe_token, qe_url)
backend = least_busy(qiskit.IBMQ.backends())
qubit_reg = QuantumRegister(2, name='q')
clbit_reg = ClassicalRegister(2, name='c')
qc = QuantumCircuit(qubit_reg, clbit_reg, name="bell")
qc.h(qubit_reg[0])
qc.cx(qubit_reg[0], qubit_reg[1])
qc.measure(qubit_reg, clbit_reg)
qobj = transpiler.compile(qc, backend)
# FIXME should validate the Qobj when defined
self.assertIsInstance(qobj, Qobj)
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,
hpc=None,
skip_transpiler=False):
"""Compile a list of circuits into a qobj.
Args:
circuits (QuantumCircuit or list[QuantumCircuit]): circuits to compile
backend (BaseBackend or str): a backend to compile for
config (dict): dictionary of parameters (e.g. noise) used by runner
basis_gates (str): comma-separated basis gate set to compile to
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
qobj_id (int): identifier for the generated qobj
hpc (dict): HPC simulator parameters
skip_transpiler (bool): If True, bypass most of the compilation process and
creates a qobj with minimal check nor translation
Returns:
Qobj: the qobj to be run on the backends
"""
# pylint: disable=redefined-builtin
if isinstance(backend, str):
backend = _DEFAULT_PROVIDER.get_backend(backend)
pass_manager = None # default pass manager which executes predetermined passes
if skip_transpiler: # empty pass manager which does nothing
pass_manager = transpiler.PassManager()
return transpiler.compile(circuits, backend, config, basis_gates,
coupling_map, initial_layout, shots, max_credits,
seed, qobj_id, hpc, pass_manager)
def test_compile_two_run_remote(self, QE_TOKEN, QE_URL, hub=None, group=None, project=None):
"""Test Compiler and run two circuits.
If all correct some should exists.
"""
register(QE_TOKEN, QE_URL, hub, group, project)
backend = available_backends({'local': False, 'simulator': True})[0]
backend = get_backend(backend)
qubit_reg = qiskit.QuantumRegister(2, name='q')
clbit_reg = qiskit.ClassicalRegister(2, name='c')
qc = qiskit.QuantumCircuit(qubit_reg, clbit_reg, name="bell")
qc.h(qubit_reg[0])
qc.cx(qubit_reg[0], qubit_reg[1])
qc.measure(qubit_reg, clbit_reg)
qc_extra = qiskit.QuantumCircuit(qubit_reg, clbit_reg, name="extra")
qc_extra.measure(qubit_reg, clbit_reg)
qobj = transpiler.compile([qc, qc_extra], backend)
job = backend.run(qobj)
result = job.result()
self.assertIsInstance(result, Result)
def test_execute_one_circuit_simulator_online(self, qe_token, qe_url):
"""Test execute_one_circuit_simulator_online.
If all correct should return correct counts.
"""
provider = IBMQProvider(qe_token, qe_url)
backend = provider.get_backend('ibmq_qasm_simulator')
qr = QuantumRegister(1)
cr = ClassicalRegister(1)
qc = QuantumCircuit(qr, cr)
qc.h(qr[0])
qc.measure(qr[0], cr[0])
qobj = transpiler.compile(qc, backend, seed=73846087)
shots = qobj.config.shots
job = backend.run(qobj)
result = job.result()
counts = result.get_counts(qc)
target = {'0': shots / 2, '1': shots / 2}
threshold = 0.04 * shots
self.assertDictAlmostEqual(counts, target, threshold)
def test_compile_remote(self, QE_TOKEN, QE_URL, hub=None, group=None, project=None):
"""Test Compiler remote.
If all correct some should exists.
"""
register(QE_TOKEN, QE_URL, hub, group, project)
backend = least_busy(available_backends())
backend = get_backend(backend)
qubit_reg = qiskit.QuantumRegister(2, name='q')
clbit_reg = qiskit.ClassicalRegister(2, name='c')
qc = qiskit.QuantumCircuit(qubit_reg, clbit_reg, name="bell")
qc.h(qubit_reg[0])
qc.cx(qubit_reg[0], qubit_reg[1])
qc.measure(qubit_reg, clbit_reg)
qobj = transpiler.compile(qc, backend)
# FIXME should validate the Qobj when defined
self.assertIsInstance(qobj, Qobj)
def test_mapping_already_satisfied(self):
"""Test compiler doesn't change circuit already matching backend coupling
"""
backend = FakeBackEnd()
qr = QuantumRegister(16)
cr = ClassicalRegister(16)
qc = QuantumCircuit(qr, cr)
qc.h(qr[1])
qc.x(qr[2])
qc.x(qr[3])
qc.x(qr[4])
qc.cx(qr[1], qr[2])
qc.cx(qr[2], qr[3])
qc.cx(qr[3], qr[4])
qc.cx(qr[3], qr[14])
qc.measure(qr, cr)
qobj = transpiler.compile(qc, backend)
compiled_ops = qobj.experiments[0].instructions
for operation in compiled_ops:
if operation.name == 'cx':
self.assertIn(operation.qubits, backend.configuration()['coupling_map'])
def test_compile_two_remote(self, qe_token, qe_url):
"""Test Compiler remote on two circuits.
If all correct some should exists.
"""
register(qe_token, qe_url)
backend = least_busy(available_backends())
backend = get_backend(backend)
qubit_reg = qiskit.QuantumRegister(2, name='q')
clbit_reg = qiskit.ClassicalRegister(2, name='c')
qc = qiskit.QuantumCircuit(qubit_reg, clbit_reg, name="bell")
qc.h(qubit_reg[0])
qc.cx(qubit_reg[0], qubit_reg[1])
qc.measure(qubit_reg, clbit_reg)
qc_extra = qiskit.QuantumCircuit(qubit_reg, clbit_reg, name="extra")
qc_extra.measure(qubit_reg, clbit_reg)
qobj = transpiler.compile([qc, qc_extra], backend)
# FIXME should validate the Qobj when defined
self.assertIsInstance(qobj, Qobj)
def test_mapping_already_satisfied(self):
"""Test compiler doesn't change circuit already matching backend coupling
"""
backend = FakeBackEnd()
q = qiskit.QuantumRegister(16)
c = qiskit.ClassicalRegister(16)
qc = qiskit.QuantumCircuit(q, c)
qc.h(q[1])
qc.x(q[2])
qc.x(q[3])
qc.x(q[4])
qc.cx(q[1], q[2])
qc.cx(q[2], q[3])
qc.cx(q[3], q[4])
qc.cx(q[3], q[14])
qc.measure(q, c)
qobj = transpiler.compile(qc, backend)
compiled_ops = qobj['circuits'][0]['compiled_circuit']['operations']
for op in compiled_ops:
if op['name'] == 'cx':
self.assertIn(op['qubits'],
backend.configuration['coupling_map'])
def test_run_simulator(self, qe_token, qe_url):
IBMQ.enable_account(qe_token, qe_url)
backend = IBMQ.get_backend('ibmq_qasm_simulator')
qr = QuantumRegister(2, 'q')
cr = ClassicalRegister(2, 'c')
qc = QuantumCircuit(qr, cr, name='hadamard')
qc.h(qr)
qc.measure(qr, cr)
qobj = transpiler.compile([self._qc, qc], backend)
shots = qobj.config.shots
job = backend.run(qobj)
result = job.result()
counts_qx1 = result.get_counts(result.get_names()[0])
counts_qx2 = result.get_counts('hadamard')
counts_ex1 = {'00': shots / 2, '11': shots / 2}
counts_ex2 = {
'00': shots / 4,
'11': shots / 4,
'10': shots / 4,
'01': shots / 4
}
states1 = counts_qx1.keys() | counts_ex1.keys()
states2 = counts_qx2.keys() | counts_ex2.keys()
# contingency table
ctable1 = numpy.array([[counts_qx1.get(key, 0) for key in states1],
[counts_ex1.get(key, 0) for key in states1]])
ctable2 = numpy.array([[counts_qx2.get(key, 0) for key in states2],
[counts_ex2.get(key, 0) for key in states2]])
self.log.info('states1: %s', str(states1))
self.log.info('states2: %s', str(states2))
self.log.info('ctable1: %s', str(ctable1))
self.log.info('ctable2: %s', str(ctable2))
contingency1 = chi2_contingency(ctable1)
contingency2 = chi2_contingency(ctable2)
self.log.info('chi2_contingency1: %s', str(contingency1))
self.log.info('chi2_contingency2: %s', str(contingency2))
self.assertGreater(contingency1[1], 0.01)
self.assertGreater(contingency2[1], 0.01)
def test_compile_run_remote(self,
QE_TOKEN,
QE_URL,
hub=None,
group=None,
project=None):
"""Test Compiler and run remote.
If all correct some should exists.
"""
provider = IBMQProvider(QE_TOKEN, QE_URL, hub, group, project)
backend = provider.available_backends({'simulator': True})[0]
qubit_reg = qiskit.QuantumRegister(2, name='q')
clbit_reg = qiskit.ClassicalRegister(2, name='c')
qc = qiskit.QuantumCircuit(qubit_reg, clbit_reg, name="bell")
qc.h(qubit_reg[0])
qc.cx(qubit_reg[0], qubit_reg[1])
qc.measure(qubit_reg, clbit_reg)
qobj = transpiler.compile(qc, backend)
job = backend.run(qobj)
result = job.result(timeout=20)
self.assertIsInstance(result, Result)
def test_execute_several_circuits_simulator_online(self, qe_token, qe_url):
"""Test execute_several_circuits_simulator_online.
If all correct should return correct counts.
"""
IBMQ.enable_account(qe_token, qe_url)
backend = IBMQ.get_backend('ibmq_qasm_simulator')
qr = QuantumRegister(2)
cr = ClassicalRegister(2)
qcr1 = QuantumCircuit(qr, cr)
qcr2 = QuantumCircuit(qr, cr)
qcr1.h(qr)
qcr2.h(qr[0])
qcr2.cx(qr[0], qr[1])
qcr1.measure(qr[0], cr[0])
qcr1.measure(qr[1], cr[1])
qcr2.measure(qr[0], cr[0])
qcr2.measure(qr[1], cr[1])
shots = 1024
qobj = transpiler.compile([qcr1, qcr2],
backend,
seed=73846087,
shots=shots)
job = backend.run(qobj)
result = job.result()
counts1 = result.get_counts(qcr1)
counts2 = result.get_counts(qcr2)
target1 = {
'00': shots / 4,
'01': shots / 4,
'10': shots / 4,
'11': shots / 4
}
target2 = {'00': shots / 2, '11': shots / 2}
threshold = 0.04 * shots
self.assertDictAlmostEqual(counts1, target1, threshold)
self.assertDictAlmostEqual(counts2, target2, threshold)
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, hpc=None,
skip_transpiler=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 (str): comma-separated basis gate set to compile to
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
qobj_id (int): identifier for the generated qobj
hpc (dict): HPC simulator parameters
skip_transpiler (bool): skip most of the compile steps and produce qobj directly
Returns:
Qobj: the qobj to be run on the backends
Raises:
TranspilerError: in case of bad compile options, e.g. the hpc options.
"""
pass_manager = None # default pass manager which executes predetermined passes
if skip_transpiler: # empty pass manager which does nothing
pass_manager = PassManager()
qobj_standard = transpiler.compile(circuits, backend, config, basis_gates, coupling_map,
initial_layout, shots, max_credits, seed, qobj_id, hpc,
pass_manager)
return qobj_standard
def test_mapping_correction(self):
"""Test mapping works in previous failed case.
"""
backend = FakeBackEnd()
q = qiskit.QuantumRegister(name='qr', size=11)
c = qiskit.ClassicalRegister(name='qc', size=11)
circuit = qiskit.QuantumCircuit(q, c)
circuit.u3(1.564784764685993, -1.2378965763410095, 2.9746763177861713,
q[3])
circuit.u3(1.2269835563676523, 1.1932982847014162, -1.5597357740824318,
q[5])
circuit.cx(q[5], q[3])
circuit.u1(0.856768317675967, q[3])
circuit.u3(-3.3911273825190915, 0.0, 0.0, q[5])
circuit.cx(q[3], q[5])
circuit.u3(2.159209321625547, 0.0, 0.0, q[5])
circuit.cx(q[5], q[3])
circuit.u3(0.30949966910232335, 1.1706201763833217, 1.738408691990081,
q[3])
circuit.u3(1.9630571407274755, -0.6818742967975088, 1.8336534616728195,
q[5])
circuit.u3(1.330181833806101, 0.6003162754946363, -3.181264980452862,
q[7])
circuit.u3(0.4885914820775024, 3.133297443244865, -2.794457469189904,
q[8])
circuit.cx(q[8], q[7])
circuit.u1(2.2196187596178616, q[7])
circuit.u3(-3.152367609631023, 0.0, 0.0, q[8])
circuit.cx(q[7], q[8])
circuit.u3(1.2646005789809263, 0.0, 0.0, q[8])
circuit.cx(q[8], q[7])
circuit.u3(0.7517780502091939, 1.2828514296564781, 1.6781179605443775,
q[7])
circuit.u3(0.9267400575390405, 2.0526277839695153, 2.034202361069533,
q[8])
circuit.u3(2.550304293455634, 3.8250017126569698, -2.1351609599720054,
q[1])
circuit.u3(0.9566260876600556, -1.1147561503064538, 2.0571590492298797,
q[4])
circuit.cx(q[4], q[1])
circuit.u1(2.1899329069137394, q[1])
circuit.u3(-1.8371715243173294, 0.0, 0.0, q[4])
circuit.cx(q[1], q[4])
circuit.u3(0.4717053496327104, 0.0, 0.0, q[4])
circuit.cx(q[4], q[1])
circuit.u3(2.3167620677708145, -1.2337330260253256,
-0.5671322899563955, q[1])
circuit.u3(1.0468499525240678, 0.8680750644809365, -1.4083720073192485,
q[4])
circuit.u3(2.4204244021892807, -2.211701932616922, 3.8297006565735883,
q[10])
circuit.u3(0.36660280497727255, 3.273119149343493, -1.8003362351299388,
q[6])
circuit.cx(q[6], q[10])
circuit.u1(1.067395863586385, q[10])
circuit.u3(-0.7044917541291232, 0.0, 0.0, q[6])
circuit.cx(q[10], q[6])
circuit.u3(2.1830003849921527, 0.0, 0.0, q[6])
circuit.cx(q[6], q[10])
circuit.u3(2.1538343756723917, 2.2653381826084606, -3.550087952059485,
q[10])
circuit.u3(1.307627685019188, -0.44686656993522567,
-2.3238098554327418, q[6])
circuit.u3(2.2046797998462906, 0.9732961754855436, 1.8527865921467421,
q[9])
circuit.u3(2.1665254613904126, -1.281337664694577, -1.2424905413631209,
q[0])
circuit.cx(q[0], q[9])
circuit.u1(2.6209599970201007, q[9])
circuit.u3(0.04680566321901303, 0.0, 0.0, q[0])
circuit.cx(q[9], q[0])
circuit.u3(1.7728411151289603, 0.0, 0.0, q[0])
circuit.cx(q[0], q[9])
circuit.u3(2.4866395967434443, 0.48684511243566697,
-3.0069186877854728, q[9])
circuit.u3(1.7369112924273789, -4.239660866163805, 1.0623389015296005,
q[0])
circuit.barrier(q)
circuit.measure(q, c)
try:
qobj = transpiler.compile(circuit, backend)
except QISKitError:
qobj = None
self.assertIsInstance(qobj, dict)
def test_get_backend_name(self):
backend_name = 'ibmq_qasm_simulator'
backend = self._provider.get_backend(backend_name)
qobj = transpiler.compile(self._qc, backend)
job = backend.run(qobj)
self.assertTrue(job.backend_name == backend_name)
def test_job_id(self):
backend = self._provider.get_backend('ibmq_qasm_simulator')
qobj = transpiler.compile(self._qc, backend)
job = backend.run(qobj)
self.log.info('job_id: %s', job.id)
self.assertTrue(job.id is not None)
def test_qobject_enabled_job(self):
"""Job should be an instance of IBMQJob."""
qobj = transpiler.compile(self._qc, self._backend)
job = self._backend.run(qobj)
self.assertIsInstance(job, IBMQJob)
# 0. build circuit
from qiskit import QuantumRegister, ClassicalRegister, QuantumCircuit
q = QuantumRegister(2)
c = ClassicalRegister(2)
circ = QuantumCircuit(q, c)
circ.cx(q[0], q[1])
circ.cx(q[0], q[1])
circ.cx(q[0], q[1])
circ.cx(q[0], q[1])
circ.measure(q, c)
# draw circuit
from qiskit.tools.visualization import plot_circuit
plot_circuit(circ)
# 1. standard compile -- standard qiskit passes, when no PassManager given
from qiskit import transpiler, load_qasm_string
qobj_standard = transpiler.compile(circ, backend_device)
compiled_standard = load_qasm_string(
qobj_standard['circuits'][0]['compiled_circuit_qasm'])
plot_circuit(compiled_standard)
# 2. custom compile -- customize PassManager to run specific circuit transformations
from qiskit.transpiler.passes import CXCancellation
pm = transpiler.PassManager()
pm.add_pass(CXCancellation())
qobj_custom = transpiler.compile(circ, backend_device, pass_manager=pm)
compiled_custom = load_qasm_string(
qobj_custom['circuits'][0]['compiled_circuit_qasm'])
plot_circuit(compiled_custom)
def get_controlled_circuit(circuit,
ctl_qubit,
tgt_circuit=None,
use_basis_gates=True):
"""
Construct the controlled version of a given circuit.
Args:
circuit (QuantumCircuit) : the base circuit
ctl_qubit (indexed QuantumRegister) : the control qubit to use
tgt_circuit (QuantumCircuit) : the target controlled circuit to be modified in-place
use_basis_gates (bool) : boolean flag to indicate whether or not only basis gates should be used
Return:
a QuantumCircuit object with the base circuit being controlled by ctl_qubit
"""
if tgt_circuit is not None:
qc = tgt_circuit
else:
qc = QuantumCircuit()
# get all the qubits and clbits
qregs = circuit.get_qregs()
qubits = []
for name in qregs:
if not qc.has_register(qregs[name]):
qc.add(qregs[name])
qubits.extend(qregs[name])
cregs = circuit.get_cregs()
clbits = []
for name in cregs:
if not qc.has_register(cregs[name]):
qc.add(cregs[name])
clbits.extend(cregs[name])
# get all operations from compiled circuit
ops = transpiler.compile(circuit,
get_aer_backend('qasm_simulator'),
basis_gates='u1,u2,u3,cx,id'
)['circuits'][0]['compiled_circuit']['operations']
# process all basis gates to add control
if not qc.has_register(ctl_qubit[0]):
qc.add(ctl_qubit[0])
for op in ops:
if op['name'] == 'id':
apply_cu3(qc,
0,
0,
0,
ctl_qubit,
qubits[op['qubits'][0]],
use_basis_gates=use_basis_gates)
elif op['name'] == 'u1':
apply_cu1(qc,
*op['params'],
ctl_qubit,
qubits[op['qubits'][0]],
use_basis_gates=use_basis_gates)
elif op['name'] == 'u2':
apply_cu3(qc,
np.pi / 2,
*op['params'],
ctl_qubit,
qubits[op['qubits'][0]],
use_basis_gates=use_basis_gates)
elif op['name'] == 'u3':
apply_cu3(qc,
*op['params'],
ctl_qubit,
qubits[op['qubits'][0]],
use_basis_gates=use_basis_gates)
elif op['name'] == 'cx':
apply_ccx(qc,
ctl_qubit,
*[qubits[i] for i in op['qubits']],
use_basis_gates=use_basis_gates)
elif op['name'] == 'measure':
qc.measure(qubits[op['qubits'][0]], clbits[op['clbits'][0]])
else:
raise RuntimeError('Unexpected operation {}.'.format(op['name']))
return qc