def test_teleport_default_basis_gates(self):
     """Test teleport circuits compiling to backend default basis_gates."""
     shots = 1000
     circuits = ref_algorithms.teleport_circuit()
     qobj = assemble(circuits, QasmSimulator(), shots=shots)
     targets = ref_algorithms.teleport_counts(shots)
     job = QasmSimulator().run(qobj, **self.BACKEND_OPTS)
     result = job.result()
     self.assertSuccess(result)
     self.compare_counts(result, circuits, targets, delta=0.05 * shots)
 def test_sdg_gate_nondeterministic_default_basis_gates(self):
     shots = 4000
     """Test sdg-gate circuits compiling to backend default basis_gates."""
     circuits = ref_1q_clifford.sdg_gate_circuits_nondeterministic(
         final_measure=True)
     qobj = assemble(circuits, QasmSimulator(), shots=shots)
     targets = ref_1q_clifford.sdg_gate_counts_nondeterministic(shots)
     job = QasmSimulator().run(qobj, **self.BACKEND_OPTS_SAMPLING)
     result = job.result()
     self.assertSuccess(result)
     self.compare_counts(result, circuits, targets, delta=0.05 * shots)
 def test_t_gate_deterministic_default_basis_gates(self):
     """Test t-gate circuits compiling to backend default basis_gates."""
     shots = 100
     circuits = ref_non_clifford.t_gate_circuits_deterministic(
         final_measure=True)
     qobj = assemble(circuits, QasmSimulator(), shots=shots)
     targets = ref_non_clifford.t_gate_counts_deterministic(shots)
     job = QasmSimulator().run(qobj, **self.BACKEND_OPTS)
     result = job.result()
     self.assertSuccess(result)
     self.compare_counts(result, circuits, targets, delta=0.1 * shots)
 def test_conditional_2bit(self):
     """Test conditional operations on 2-bit conditional register."""
     shots = 100
     circuits = ref_conditionals.conditional_circuits_2bit(
         final_measure=True)
     qobj = assemble(circuits, QasmSimulator(), shots=shots)
     targets = ref_conditionals.conditional_counts_2bit(shots)
     job = QasmSimulator().run(qobj, **self.BACKEND_OPTS_SAMPLING)
     result = job.result()
     self.assertSuccess(result)
     self.compare_counts(result, circuits, targets, delta=0)
 def test_measure_nondeterministic_multi_qubit_without_sampling(self):
     """Test CHimulator reset with non-deterministic counts"""
     shots = 4000
     circuits = ref_measure.multiqubit_measure_circuits_nondeterministic(
         allow_sampling=False)
     targets = ref_measure.multiqubit_measure_counts_nondeterministic(shots)
     qobj = assemble(circuits, QasmSimulator(), shots=shots)
     job = QasmSimulator().run(qobj, **self.BACKEND_OPTS)
     result = job.result()
     self.assertSuccess(result)
     self.compare_counts(result, circuits, targets, delta=0.05 * shots)
 def test_measure_nondeterministic_with_sampling(self):
     """Test CHimulator measure with non-deterministic counts with sampling"""
     shots = 4000
     circuits = ref_measure.measure_circuits_nondeterministic(
         allow_sampling=True)
     qobj = assemble(circuits, QasmSimulator(), shots=shots)
     targets = ref_measure.measure_counts_nondeterministic(shots)
     job = QasmSimulator().run(qobj, **self.BACKEND_OPTS_SAMPLING)
     result = job.result()
     self.assertSuccess(result)
     self.compare_counts(result, circuits, targets, delta=0.05 * shots)
 def test_measure_deterministic_without_sampling(self):
     """Test ExtendedStabilizer measure with deterministic counts without sampling"""
     shots = 100
     circuits = ref_measure.measure_circuits_deterministic(
         allow_sampling=False)
     qobj = assemble(circuits, QasmSimulator(), shots=shots)
     targets = ref_measure.measure_counts_deterministic(shots)
     job = QasmSimulator().run(qobj, **self.BACKEND_OPTS)
     result = job.result()
     self.assertSuccess(result)
     self.compare_counts(result, circuits, targets, delta=0)
 def test_reset_deterministic(self):
     """Test ExtendedStabilizer reset with for circuits with deterministic counts"""
     # For statevector output we can combine deterministic and non-deterministic
     # count output circuits
     shots = 100
     circuits = ref_reset.reset_circuits_deterministic(final_measure=True)
     qobj = assemble(circuits, QasmSimulator(), shots=shots)
     targets = ref_reset.reset_counts_deterministic(shots)
     job = QasmSimulator().run(qobj, **self.BACKEND_OPTS)
     result = job.result()
     self.assertSuccess(result)
     self.compare_counts(result, circuits, targets, delta=0)
 def test_grovers_default_basis_gates(self):
     """Test grovers circuits compiling to backend default basis_gates."""
     shots = 500
     circuits = ref_algorithms.grovers_circuit(final_measure=True,
                                               allow_sampling=True)
     qobj = assemble(circuits, QasmSimulator(), shots=shots)
     targets = ref_algorithms.grovers_counts(shots)
     opts = self.BACKEND_OPTS.copy()
     opts["extended_stabilizer_mixing_time"] = 100
     job = QasmSimulator().run(qobj, **opts)
     result = job.result()
     self.assertSuccess(result)
     self.compare_counts(result, circuits, targets, delta=0.1 * shots)
 def test_ccx_gate_nondeterministic_default_basis_gates(self):
     """Test ccx-gate circuits compiling to backend default basis_gates."""
     shots = 500
     circuits = ref_non_clifford.ccx_gate_circuits_nondeterministic(
         final_measure=True)
     qobj = assemble(circuits, QasmSimulator(), shots=shots)
     targets = ref_non_clifford.ccx_gate_counts_nondeterministic(shots)
     opts = self.BACKEND_OPTS.copy()
     opts["extended_stabilizer_mixing_time"] = 100
     job = QasmSimulator().run(qobj, **opts)
     result = job.result()
     self.assertSuccess(result)
     self.compare_counts(result, circuits, targets, delta=0.10 * shots)
class QasmAlgorithmTestsMinimalBasis:
    """QasmSimulator algorithm tests in the minimal U,CX basis"""

    SIMULATOR = QasmSimulator()
    BACKEND_OPTS = {}

    # ---------------------------------------------------------------------
    # Test algorithms
    # ---------------------------------------------------------------------
    def test_grovers_minimal_basis_gates(self):
        """Test grovers circuits compiling to u3,cx"""
        shots = 4000
        circuits = ref_algorithms.grovers_circuit(
            final_measure=True, allow_sampling=True)
        targets = ref_algorithms.grovers_counts(shots)
        job = execute(
            circuits, self.SIMULATOR, shots=shots, basis_gates=['u3', 'cx'],
            **self.BACKEND_OPTS)
        result = job.result()
        self.assertSuccess(result)
        self.compare_counts(result, circuits, targets, delta=0.05 * shots)

    def test_teleport_minimal_basis_gates(self):
        """Test teleport gate circuits compiling to u3,cx"""
        shots = 4000
        circuits = ref_algorithms.teleport_circuit()
        targets = ref_algorithms.teleport_counts(shots)
        job = execute(
            circuits, self.SIMULATOR, shots=shots, basis_gates=['u3', 'cx'],
            **self.BACKEND_OPTS)
        result = job.result()
        self.assertSuccess(result)
        self.compare_counts(result, circuits, targets, delta=0.05 * shots)
class QasmMultiplexerTests:
    """QasmSimulator multiplexer gate tests in default basis."""

    SIMULATOR = QasmSimulator()
    BACKEND_OPTS = {}

    # ---------------------------------------------------------------------
    # Test multiplexer-cx-gate
    # ---------------------------------------------------------------------
    def test_multiplexer_cx_gate_deterministic(self):
        """Test multiplxer cx-gate circuits compiling to backend default basis_gates."""
        shots = 100
        circuits = ref_multiplexer.multiplexer_cx_gate_circuits_deterministic(
            final_measure=True)
        targets = ref_multiplexer.multiplexer_cx_gate_counts_deterministic(shots)
        job = execute(circuits, self.SIMULATOR, shots=shots, **self.BACKEND_OPTS)
        result = job.result()
        self.assertSuccess(result)
        self.compare_counts(result, circuits, targets, delta=0)

    def test_multiplexer_cx_gate_nondeterministic(self):
        """Test multiplexer cx-gate circuits compiling to backend default basis_gates."""
        shots = 4000
        circuits = ref_multiplexer.multiplexer_cx_gate_circuits_nondeterministic(
            final_measure=True)
        targets = ref_multiplexer.multiplexer_cx_gate_counts_nondeterministic(shots)
        job = execute(circuits, self.SIMULATOR, shots=shots, **self.BACKEND_OPTS)
        result = job.result()
        self.assertSuccess(result)
        self.compare_counts(result, circuits, targets, delta=0.05 * shots)

    # ---------------------------------------------------------------------
    # Test multiplexer-gate
    # ---------------------------------------------------------------------
    def test_multiplexer_cxx_gate_deterministic(self):
        """Test multiplexer-gate gate circuits """
        shots = 100
        circuits = ref_multiplexer.multiplexer_ccx_gate_circuits_deterministic(
            final_measure=True)
        targets = ref_multiplexer.multiplexer_ccx_gate_counts_deterministic(
            shots)
        job = execute(circuits, self.SIMULATOR, shots=shots,
                      **self.BACKEND_OPTS)
        result = job.result()
        self.assertSuccess(result)
        self.compare_counts(result, circuits, targets, delta=0)

    def test_multiplexer_cxx_gate_nondeterministic(self):
        """Test multiplexer ccx-gate gate circuits """
        shots = 4000
        circuits = ref_multiplexer.multiplexer_ccx_gate_circuits_nondeterministic(
            final_measure=True)
        targets = ref_multiplexer.multiplexer_ccx_gate_counts_nondeterministic(
            shots)
        job = execute(circuits, self.SIMULATOR, shots=shots,
                      **self.BACKEND_OPTS)
        result = job.result()
        self.assertSuccess(result)
        self.compare_counts(result, circuits, targets, delta=0.05 * shots)
class QasmDiagonalGateTests:
    """QasmSimulator diagonal gate tests."""

    SIMULATOR = QasmSimulator()
    BACKEND_OPTS = {}

    # ---------------------------------------------------------------------
    # Test unitary gate qobj instruction
    # ---------------------------------------------------------------------

    def test_diagonal_gate(self):
        """Test simulation with unitary gate circuit instructions."""
        shots = 100
        circuits = ref_diagonal_gate.diagonal_gate_circuits_deterministic(
            final_measure=True)
        targets = ref_diagonal_gate.diagonal_gate_counts_deterministic(shots)
        result = execute(circuits,
                         self.SIMULATOR,
                         shots=shots,
                         **self.BACKEND_OPTS).result()
        self.assertSuccess(result)
        self.compare_counts(result, circuits, targets, delta=0)
class QasmStandardGateStatevectorTests:
    """QasmSimulator standard gate library tests."""

    SIMULATOR = QasmSimulator()
    BACKEND_OPTS = {}
    SEED = 8181
    RNG = default_rng(seed=SEED)

    @data(*GATES)
    @unpack
    def test_gate_statevector(self, gate_cls, num_params):
        """Test standard gate simulation test."""

        SUPPORTED_METHODS = [
            'automatic', 'statevector', 'statevector_gpu',
            'statevector_thrust', 'matrix_product_state'
        ]

        circuit = self.gate_circuit(gate_cls,
                                    num_params=num_params,
                                    rng=self.RNG)
        target = Statevector.from_instruction(circuit)

        # Add snapshot and execute
        #circuit.snapshot_statevector('final')
        backend_options = self.BACKEND_OPTS
        method = backend_options.pop('method', 'automatic')
        backend = self.SIMULATOR
        backend.set_options(method=method)
        result = execute(circuit, backend, shots=1, **backend_options).result()

        # Check results
        success = getattr(result, 'success', False)
        msg = '{}, method = {}'.format(gate_cls.__name__, method)
        if method not in SUPPORTED_METHODS:
            self.assertFalse(success)
        else:
            self.assertTrue(success, msg=msg)
            self.assertSuccess(result)
Пример #15
0
class QasmNonCliffordTestsCCXGate:
    """QasmSimulator CCX gate tests in default basis."""

    SIMULATOR = QasmSimulator()
    BACKEND_OPTS = {}

    # ---------------------------------------------------------------------
    # Test ccx-gate
    # ---------------------------------------------------------------------
    def test_ccx_gate_deterministic_default_basis_gates(self):
        """Test ccx-gate circuits compiling to backend default basis_gates."""
        shots = 100
        circuits = ref_non_clifford.ccx_gate_circuits_deterministic(
            final_measure=True)
        targets = ref_non_clifford.ccx_gate_counts_deterministic(shots)
        job = execute(circuits,
                      self.SIMULATOR,
                      shots=shots,
                      **self.BACKEND_OPTS)
        result = job.result()
        self.assertSuccess(result)
        self.compare_counts(result, circuits, targets, delta=0)

    def test_ccx_gate_nondeterministic_default_basis_gates(self):
        """Test ccx-gate circuits compiling to backend default basis_gates."""
        shots = 4000
        circuits = ref_non_clifford.ccx_gate_circuits_nondeterministic(
            final_measure=True)
        targets = ref_non_clifford.ccx_gate_counts_nondeterministic(shots)
        job = execute(circuits,
                      self.SIMULATOR,
                      shots=shots,
                      **self.BACKEND_OPTS)
        result = job.result()
        self.assertSuccess(result)
        self.compare_counts(result, circuits, targets, delta=0.05 * shots)
Пример #16
0
class QasmNonCliffordTestsMinimalBasis:
    """QasmSimulator non-Clifford gate tests in minimal U,CX basis."""

    SIMULATOR = QasmSimulator()
    BACKEND_OPTS = {}

    # ---------------------------------------------------------------------
    # Test t-gate
    # ---------------------------------------------------------------------
    def test_t_gate_deterministic_minimal_basis_gates(self):
        """Test t-gate gate circuits compiling to u3,cx"""
        shots = 100
        circuits = ref_non_clifford.t_gate_circuits_deterministic(
            final_measure=True)
        targets = ref_non_clifford.t_gate_counts_deterministic(shots)
        job = execute(circuits,
                      self.SIMULATOR,
                      shots=shots,
                      basis_gates=['u3', 'cx'])
        result = job.result()
        self.assertSuccess(result)
        self.compare_counts(result, circuits, targets, delta=0)

    def test_t_gate_nondeterministic_minimal_basis_gates(self):
        """Test t-gate gate circuits compiling to u3,cx"""
        shots = 4000
        circuits = ref_non_clifford.t_gate_circuits_nondeterministic(
            final_measure=True)
        targets = ref_non_clifford.t_gate_counts_nondeterministic(shots)
        job = execute(circuits,
                      self.SIMULATOR,
                      shots=shots,
                      basis_gates=['u3', 'cx'],
                      **self.BACKEND_OPTS)
        result = job.result()
        self.assertSuccess(result)
        self.compare_counts(result, circuits, targets, delta=0.05 * shots)

    # ---------------------------------------------------------------------
    # Test tdg-gate
    # ---------------------------------------------------------------------
    def test_tdg_gate_deterministic_minimal_basis_gates(self):
        """Test tdg-gate gate circuits compiling to u3,cx"""
        shots = 100
        circuits = ref_non_clifford.tdg_gate_circuits_deterministic(
            final_measure=True)
        targets = ref_non_clifford.tdg_gate_counts_deterministic(shots)
        job = execute(circuits,
                      self.SIMULATOR,
                      shots=shots,
                      basis_gates=['u3', 'cx'],
                      **self.BACKEND_OPTS)
        result = job.result()
        self.assertSuccess(result)
        self.compare_counts(result, circuits, targets, delta=0)

    def test_tdg_gate_nondeterministic_minimal_basis_gates(self):
        """Test tdg-gate gate circuits compiling to u3,cx"""
        shots = 4000
        circuits = ref_non_clifford.tdg_gate_circuits_nondeterministic(
            final_measure=True)
        targets = ref_non_clifford.tdg_gate_counts_nondeterministic(shots)
        job = execute(circuits,
                      self.SIMULATOR,
                      shots=shots,
                      basis_gates=['u3', 'cx'],
                      **self.BACKEND_OPTS)
        result = job.result()
        self.assertSuccess(result)
        self.compare_counts(result, circuits, targets, delta=0.05 * shots)

    # ---------------------------------------------------------------------
    # Test ccx-gate
    # ---------------------------------------------------------------------
    def test_ccx_gate_deterministic_minimal_basis_gates(self):
        """Test ccx-gate gate circuits compiling to u3,cx"""
        shots = 100
        circuits = ref_non_clifford.ccx_gate_circuits_deterministic(
            final_measure=True)
        targets = ref_non_clifford.ccx_gate_counts_deterministic(shots)
        job = execute(circuits,
                      self.SIMULATOR,
                      shots=shots,
                      basis_gates=['u3', 'cx'],
                      **self.BACKEND_OPTS)
        result = job.result()
        self.assertSuccess(result)
        self.compare_counts(result, circuits, targets, delta=0)

    def test_ccx_gate_nondeterministic_minimal_basis_gates(self):
        """Test ccx-gate gate circuits compiling to u3,cx"""
        shots = 4000
        circuits = ref_non_clifford.ccx_gate_circuits_nondeterministic(
            final_measure=True)
        targets = ref_non_clifford.ccx_gate_counts_nondeterministic(shots)
        job = execute(circuits,
                      self.SIMULATOR,
                      shots=shots,
                      basis_gates=['u3', 'cx'],
                      **self.BACKEND_OPTS)
        result = job.result()
        self.assertSuccess(result)
        self.compare_counts(result, circuits, targets, delta=0.1 * shots)

    # ---------------------------------------------------------------------
    # Test cu1 gate
    # ---------------------------------------------------------------------
    def test_cu1_gate_nondeterministic_minimal_basis_gates(self):
        """Test cu1-gate gate circuits compiling to u3,cx"""
        shots = 4000
        circuits = ref_non_clifford.cu1_gate_circuits_nondeterministic(
            final_measure=True)
        targets = ref_non_clifford.cu1_gate_counts_nondeterministic(shots)
        job = execute(circuits,
                      self.SIMULATOR,
                      shots=shots,
                      basis_gates=['u3', 'cx'],
                      **self.BACKEND_OPTS)
        result = job.result()
        self.assertSuccess(result)
        self.compare_counts(result, circuits, targets, delta=0.1 * shots)

    # ---------------------------------------------------------------------
    # Test cswap-gate (Fredkin)
    # ---------------------------------------------------------------------
    def test_cswap_gate_deterministic_minimal_basis_gates(self):
        """Test cswap-gate gate circuits compiling to u3,cx"""
        shots = 100
        circuits = ref_non_clifford.cswap_gate_circuits_deterministic(
            final_measure=True)
        targets = ref_non_clifford.cswap_gate_counts_deterministic(shots)
        job = execute(circuits,
                      self.SIMULATOR,
                      shots=shots,
                      basis_gates=['u3', 'cx'],
                      **self.BACKEND_OPTS)
        result = job.result()
        self.assertSuccess(result)
        self.compare_counts(result, circuits, targets, delta=0)

    def test_cswap_gate_nondeterministic_minimal_basis_gates(self):
        """Test cswap-gate gate circuits compiling to u3,cx"""
        shots = 4000
        circuits = ref_non_clifford.cswap_gate_circuits_nondeterministic(
            final_measure=True)
        targets = ref_non_clifford.cswap_gate_counts_nondeterministic(shots)
        job = execute(circuits,
                      self.SIMULATOR,
                      shots=shots,
                      basis_gates=['u3', 'cx'],
                      **self.BACKEND_OPTS)
        result = job.result()
        self.assertSuccess(result)
        self.compare_counts(result, circuits, targets, delta=0.1 * shots)

    # ---------------------------------------------------------------------
    # Test cu3 gate
    # ---------------------------------------------------------------------
    def test_cu3_gate_deterministic_default_basis_gates(self):
        """Test cu3-gate gate circuits compiling to u3, cx."""
        shots = 100
        circuits = ref_non_clifford.cu3_gate_circuits_deterministic(
            final_measure=True)
        targets = ref_non_clifford.cu3_gate_counts_deterministic(shots)
        job = execute(circuits,
                      self.SIMULATOR,
                      shots=shots,
                      basis_gates=['u3', 'cx'],
                      **self.BACKEND_OPTS)
        result = job.result()
        self.assertSuccess(result)
        self.compare_counts(result, circuits, targets, delta=0)
Пример #17
0
class QasmNonCliffordTestsCGates:
    """QasmSimulator CSwap gate tests in default basis."""

    SIMULATOR = QasmSimulator()
    BACKEND_OPTS = {}

    # ---------------------------------------------------------------------
    # Test cswap-gate (Fredkin)
    # ---------------------------------------------------------------------
    def test_cswap_gate_deterministic_default_basis_gates(self):
        shots = 100
        circuits = ref_non_clifford.cswap_gate_circuits_deterministic(
            final_measure=True)
        targets = ref_non_clifford.cswap_gate_counts_deterministic(shots)
        job = execute(circuits,
                      self.SIMULATOR,
                      shots=shots,
                      **self.BACKEND_OPTS)
        result = job.result()
        self.assertSuccess(result)
        self.compare_counts(result, circuits, targets, delta=0)

    def test_cswap_gate_nondeterministic_default_basis_gates(self):
        shots = 4000
        circuits = ref_non_clifford.cswap_gate_circuits_nondeterministic(
            final_measure=True)
        targets = ref_non_clifford.cswap_gate_counts_nondeterministic(shots)
        job = execute(circuits,
                      self.SIMULATOR,
                      shots=shots,
                      **self.BACKEND_OPTS)
        result = job.result()
        self.assertSuccess(result)
        self.compare_counts(result, circuits, targets, delta=0.05 * shots)

    # ---------------------------------------------------------------------
    # Test cu1 gate
    # ---------------------------------------------------------------------
    def test_cu1_gate_nondeterministic_default_basis_gates(self):
        """Test cu1-gate gate circuits compiling to default basis."""
        shots = 4000
        circuits = ref_non_clifford.cu1_gate_circuits_nondeterministic(
            final_measure=True)
        targets = ref_non_clifford.cu1_gate_counts_nondeterministic(shots)
        job = execute(circuits,
                      self.SIMULATOR,
                      shots=shots,
                      **self.BACKEND_OPTS)
        result = job.result()
        self.assertSuccess(result)
        self.compare_counts(result, circuits, targets, delta=0.05 * shots)

    # ---------------------------------------------------------------------
    # Test cu3 gate
    # ---------------------------------------------------------------------
    def test_cu3_gate_deterministic_default_basis_gates(self):
        """Test cu3-gate gate circuits compiling to default basis."""
        shots = 100
        circuits = ref_non_clifford.cu3_gate_circuits_deterministic(
            final_measure=True)
        targets = ref_non_clifford.cu3_gate_counts_deterministic(shots)
        job = execute(circuits,
                      self.SIMULATOR,
                      shots=shots,
                      **self.BACKEND_OPTS)
        result = job.result()
        self.assertSuccess(result)
        self.compare_counts(result, circuits, targets, delta=0)
class QasmInitializeTests:
    """QasmSimulator initialize tests."""

    SIMULATOR = QasmSimulator()
    BACKEND_OPTS = {}

    # ---------------------------------------------------------------------
    # Test initialize instr make it through the wrapper
    # ---------------------------------------------------------------------
    def test_initialize_wrapper_1(self):
        """Test QasmSimulator initialize"""
        shots = 100
        lst = [0, 1]
        init_states = [
            np.array(lst),
            np.array(lst, dtype=float),
            np.array(lst, dtype=np.float32),
            np.array(lst, dtype=complex),
            np.array(lst, dtype=np.complex64) ]
        circuits = []
        [ circuits.extend(ref_initialize.initialize_circuits_w_1(init_state)) for init_state in init_states ]
        qobj = assemble(circuits, self.SIMULATOR, shots=shots)
        result = self.SIMULATOR.run(
            qobj, **self.BACKEND_OPTS).result()
        self.assertSuccess(result)
 
    # ---------------------------------------------------------------------
    # Test initialize instr make it through the wrapper
    # ---------------------------------------------------------------------
    def test_initialize_wrapper_2(self):
        """Test QasmSimulator initialize"""
        shots = 100
        lst = [0, 1, 0, 0]
        init_states = [
            np.array(lst),
            np.array(lst, dtype=float),
            np.array(lst, dtype=np.float32),
            np.array(lst, dtype=complex),
            np.array(lst, dtype=np.complex64) ]
        circuits = []
        [ circuits.extend(ref_initialize.initialize_circuits_w_2(init_state)) for init_state in init_states ]
        qobj = assemble(circuits, self.SIMULATOR, shots=shots)
        result = self.SIMULATOR.run(
            qobj, **self.BACKEND_OPTS).result()
        self.assertSuccess(result)

    # ---------------------------------------------------------------------
    # Test initialize
    # ---------------------------------------------------------------------
    def test_initialize_1(self):
        """Test QasmSimulator initialize"""
        # For statevector output we can combine deterministic and non-deterministic
        # count output circuits
        shots = 1000
        circuits = ref_initialize.initialize_circuits_1(final_measure=True)
        targets = ref_initialize.initialize_counts_1(shots)
        qobj = assemble(circuits, self.SIMULATOR, shots=shots)
        opts = self.BACKEND_OPTS.copy()
        result = self.SIMULATOR.run(qobj, **opts).result()
        self.assertSuccess(result)
        self.compare_counts(result, circuits, targets, delta=0.05 * shots)

    def test_initialize_2(self):
        """Test QasmSimulator initializes"""
        # For statevector output we can combine deterministic and non-deterministic
        # count output circuits
        shots = 1000
        circuits = ref_initialize.initialize_circuits_2(final_measure=True)
        targets = ref_initialize.initialize_counts_2(shots)
        qobj = assemble(circuits, self.SIMULATOR, shots=shots)
        opts = self.BACKEND_OPTS.copy()
        result = self.SIMULATOR.run(qobj, **opts).result()
        self.assertSuccess(result)
        self.compare_counts(result, circuits, targets, delta=0.05 * shots)

    def test_initialize_sampling_opt(self):
        """Test sampling optimization"""
        shots = 1000
        circuits = ref_initialize.initialize_sampling_optimization()
        targets = ref_initialize.initialize_counts_sampling_optimization(shots)
        qobj = assemble(circuits, self.SIMULATOR, shots=shots)
        opts = self.BACKEND_OPTS.copy()
        result = self.SIMULATOR.run(qobj, **opts).result()
        self.assertSuccess(result)
        self.compare_counts(result, circuits, targets, delta=0.05 * shots)
Пример #19
0
class QasmQubitsTruncateTests:
    """QasmSimulator Qubits Truncate tests."""

    SIMULATOR = QasmSimulator()

    def create_circuit_for_truncate(self):
        qr = QuantumRegister(4)
        cr = ClassicalRegister(4)
        circuit = QuantumCircuit(qr, cr)
        circuit.u3(0.1,0.1,0.1,qr[1])
        circuit.barrier(qr)
        circuit.x(qr[2])
        circuit.barrier(qr)
        circuit.x(qr[1])
        circuit.barrier(qr)
        circuit.x(qr[3])
        circuit.barrier(qr)
        circuit.u3(0.1,0.1,0.1,qr[0])
        circuit.barrier(qr)
        circuit.measure(qr[0], cr[0])
        circuit.measure(qr[1], cr[1])
        return circuit

    def device_properties(self):
        properties = {"general": [],
                      "last_update_date": "2019-04-22T03:26:08+00:00", 
                      "gates": [
                          {"gate": "u1", "parameters": [{"name": "gate_error", "value": 0.001, "date": "2019-04-23T01:45:04+00:00", "unit": ""}], "qubits": [0]}, 
                          {"gate": "u2", "parameters": [{"name": "gate_error", "value": 0.001, "date": "2019-04-23T01:45:04+00:00", "unit": ""}], "qubits": [0]}, 
                          {"gate": "u3", "parameters": [{"name": "gate_error", "value": 0.001, "date": "2019-04-23T01:45:04+00:00", "unit": ""}], "qubits": [0]}, 
                          {"gate": "u1", "parameters": [{"name": "gate_error", "value": 0.001, "date": "2019-04-23T01:45:04+00:00", "unit": ""}], "qubits": [1]}, 
                          {"gate": "u2", "parameters": [{"name": "gate_error", "value": 0.001, "date": "2019-04-23T01:45:04+00:00", "unit": ""}], "qubits": [1]}, 
                          {"gate": "u3", "parameters": [{"name": "gate_error", "value": 0.001, "date": "2019-04-23T01:45:04+00:00", "unit": ""}], "qubits": [1]}, 
                          {"gate": "u1", "parameters": [{"name": "gate_error", "value": 0.001, "date": "2019-04-23T01:45:04+00:00", "unit": ""}], "qubits": [2]}, 
                          {"gate": "u2", "parameters": [{"name": "gate_error", "value": 0.001, "date": "2019-04-23T01:45:04+00:00", "unit": ""}], "qubits": [2]}, 
                          {"gate": "u3", "parameters": [{"name": "gate_error", "value": 0.001, "date": "2019-04-23T01:45:04+00:00", "unit": ""}], "qubits": [2]}, 
                          {"gate": "u1", "parameters": [{"name": "gate_error", "value": 0.001, "date": "2019-04-23T01:45:04+00:00", "unit": ""}], "qubits": [3]}, 
                          {"gate": "u2", "parameters": [{"name": "gate_error", "value": 0.001, "date": "2019-04-23T01:45:04+00:00", "unit": ""}], "qubits": [3]}, 
                          {"gate": "u3", "parameters": [{"name": "gate_error", "value": 0.001, "date": "2019-04-23T01:45:04+00:00", "unit": ""}], "qubits": [3]}, 
                          {"gate": "u1", "parameters": [{"name": "gate_error", "value": 0.001, "date": "2019-04-23T01:45:04+00:00", "unit": ""}], "qubits": [4]}, 
                          {"gate": "u2", "parameters": [{"name": "gate_error", "value": 0.001, "date": "2019-04-23T01:45:04+00:00", "unit": ""}], "qubits": [4]}, 
                          {"gate": "u3", "parameters": [{"name": "gate_error", "value": 0.001, "date": "2019-04-23T01:45:04+00:00", "unit": ""}], "qubits": [4]}, 
                          {"gate": "u1", "parameters": [{"name": "gate_error", "value": 0.001, "date": "2019-04-23T01:45:04+00:00", "unit": ""}], "qubits": [5]}, 
                          {"gate": "u2", "parameters": [{"name": "gate_error", "value": 0.001, "date": "2019-04-23T01:45:04+00:00", "unit": ""}], "qubits": [5]}, 
                          {"gate": "u3", "parameters": [{"name": "gate_error", "value": 0.001, "date": "2019-04-23T01:45:04+00:00", "unit": ""}], "qubits": [5]}, 
                          {"gate": "u1", "parameters": [{"name": "gate_error", "value": 0.001, "date": "2019-04-23T01:45:04+00:00", "unit": ""}], "qubits": [6]}, 
                          {"gate": "u2", "parameters": [{"name": "gate_error", "value": 0.001, "date": "2019-04-23T01:45:04+00:00", "unit": ""}], "qubits": [6]}, 
                          {"gate": "u3", "parameters": [{"name": "gate_error", "value": 0.001, "date": "2019-04-23T01:45:04+00:00", "unit": ""}], "qubits": [6]}, 
                          {"gate": "u1", "parameters": [{"name": "gate_error", "value": 0.001, "date": "2019-04-23T01:45:04+00:00", "unit": ""}], "qubits": [7]}, 
                          {"gate": "u2", "parameters": [{"name": "gate_error", "value": 0.001, "date": "2019-04-23T01:45:04+00:00", "unit": ""}], "qubits": [7]}, 
                          {"gate": "u3", "parameters": [{"name": "gate_error", "value": 0.001, "date": "2019-04-23T01:45:04+00:00", "unit": ""}], "qubits": [7]}, 
                          {"gate": "u1", "parameters": [{"name": "gate_error", "value": 0.001, "date": "2019-04-23T01:45:04+00:00", "unit": ""}], "qubits": [8]}, 
                          {"gate": "u2", "parameters": [{"name": "gate_error", "value": 0.001, "date": "2019-04-23T01:45:04+00:00", "unit": ""}], "qubits": [8]}, 
                          {"gate": "u3", "parameters": [{"name": "gate_error", "value": 0.001, "date": "2019-04-23T01:45:04+00:00", "unit": ""}], "qubits": [8]}, 
                          {"gate": "u1", "parameters": [{"name": "gate_error", "value": 0.001, "date": "2019-04-23T01:45:04+00:00", "unit": ""}], "qubits": [9]}, 
                          {"gate": "u2", "parameters": [{"name": "gate_error", "value": 0.001, "date": "2019-04-23T01:45:04+00:00", "unit": ""}], "qubits": [9]}, 
                          {"gate": "u3", "parameters": [{"name": "gate_error", "value": 0.001, "date": "2019-04-23T01:45:04+00:00", "unit": ""}], "qubits": [9]}, 
                          {"gate": "cx", "parameters": [{"name": "gate_error", "value": 0.001, "date": "2019-04-22T02:26:00+00:00", "unit": ""}], "qubits": [0, 1], "name": "CX0_1"}, 
                          {"gate": "cx", "parameters": [{"name": "gate_error", "value": 0.001, "date": "2019-04-22T02:29:15+00:00", "unit": ""}], "qubits": [1, 2], "name": "CX1_2"}, 
                          {"gate": "cx", "parameters": [{"name": "gate_error", "value": 0.001, "date": "2019-04-22T02:32:48+00:00", "unit": ""}], "qubits": [2, 3], "name": "CX2_3"},
                          {"gate": "cx", "parameters": [{"name": "gate_error", "value": 0.001, "date": "2019-04-22T02:26:00+00:00", "unit": ""}], "qubits": [3, 4], "name": "CX3_4"}, 
                          {"gate": "cx", "parameters": [{"name": "gate_error", "value": 0.001, "date": "2019-04-22T02:29:15+00:00", "unit": ""}], "qubits": [4, 5], "name": "CX4_5"}, 
                          {"gate": "cx", "parameters": [{"name": "gate_error", "value": 0.001, "date": "2019-04-22T02:32:48+00:00", "unit": ""}], "qubits": [5, 6], "name": "CX5_6"},
                          {"gate": "cx", "parameters": [{"name": "gate_error", "value": 0.001, "date": "2019-04-22T02:26:00+00:00", "unit": ""}], "qubits": [6, 7], "name": "CX6_7"}, 
                          {"gate": "cx", "parameters": [{"name": "gate_error", "value": 0.001, "date": "2019-04-22T02:29:15+00:00", "unit": ""}], "qubits": [7, 8], "name": "CX7_8"}, 
                          {"gate": "cx", "parameters": [{"name": "gate_error", "value": 0.001, "date": "2019-04-22T02:32:48+00:00", "unit": ""}], "qubits": [8, 9], "name": "CX8_9"},
                          {"gate": "cx", "parameters": [{"name": "gate_error", "value": 0.001, "date": "2019-04-22T02:26:00+00:00", "unit": ""}], "qubits": [9, 0], "name": "CX9_0"}], 
                      "qubits": [
                          [
                              {"name": "T1", "value": 23.809868955712616, "date": "2019-04-22T01:30:15+00:00", "unit": "\u00b5s"}, 
                              {"name": "T2", "value": 43.41142418044261, "date": "2019-04-22T01:33:33+00:00", "unit": "\u00b5s"}, 
                              {"name": "frequency", "value": 5.032871440179164, "date": "2019-04-22T03:26:08+00:00", "unit": "GHz"}, 
                              {"name": "readout_error", "value": 0.03489999999999993, "date": "2019-04-22T01:29:47+00:00", "unit": ""}], 
                          [
                              {"name": "T1", "value": 68.14048367144501, "date": "2019-04-22T01:30:15+00:00", "unit": "\u00b5s"}, 
                              {"name": "T2", "value": 56.95903203933663, "date": "2019-04-22T01:34:36+00:00", "unit": "\u00b5s"}, 
                              {"name": "frequency", "value": 4.896209948700639, "date": "2019-04-22T03:26:08+00:00", "unit": "GHz"}, 
                              {"name": "readout_error", "value": 0.19589999999999996, "date": "2019-04-22T01:29:47+00:00", "unit": ""}], 
                          [
                              {"name": "T1", "value": 83.26776276928099, "date": "2019-04-22T01:30:15+00:00", "unit": "\u00b5s"}, 
                              {"name": "T2", "value": 23.49615795695734, "date": "2019-04-22T01:31:32+00:00", "unit": "\u00b5s"}, 
                              {"name": "frequency", "value": 5.100093544085939, "date": "2019-04-22T03:26:08+00:00", "unit": "GHz"}, 
                              {"name": "readout_error", "value": 0.09050000000000002, "date": "2019-04-22T01:29:47+00:00", "unit": ""}], 
                          [
                              {"name": "T1", "value": 57.397746445609975, "date": "2019-04-22T01:30:15+00:00", "unit": "\u00b5s"}, 
                              {"name": "T2", "value": 98.47976889309517, "date": "2019-04-22T01:32:32+00:00", "unit": "\u00b5s"}, 
                              {"name": "frequency", "value": 5.238526396839902, "date": "2019-04-22T03:26:08+00:00", "unit": "GHz"}, 
                              {"name": "readout_error", "value": 0.24350000000000005, "date": "2019-04-20T15:31:39+00:00", "unit": ""}], 
                          [
                              {"name": "T1", "value": 23.809868955712616, "date": "2019-04-22T01:30:15+00:00", "unit": "\u00b5s"}, 
                              {"name": "T2", "value": 43.41142418044261, "date": "2019-04-22T01:33:33+00:00", "unit": "\u00b5s"}, 
                              {"name": "frequency", "value": 5.032871440179164, "date": "2019-04-22T03:26:08+00:00", "unit": "GHz"}, 
                              {"name": "readout_error", "value": 0.03489999999999993, "date": "2019-04-22T01:29:47+00:00", "unit": ""}], 
                          [
                              {"name": "T1", "value": 68.14048367144501, "date": "2019-04-22T01:30:15+00:00", "unit": "\u00b5s"}, 
                              {"name": "T2", "value": 56.95903203933663, "date": "2019-04-22T01:34:36+00:00", "unit": "\u00b5s"}, 
                              {"name": "frequency", "value": 4.896209948700639, "date": "2019-04-22T03:26:08+00:00", "unit": "GHz"}, 
                              {"name": "readout_error", "value": 0.19589999999999996, "date": "2019-04-22T01:29:47+00:00", "unit": ""}], 
                          [
                              {"name": "T1", "value": 83.26776276928099, "date": "2019-04-22T01:30:15+00:00", "unit": "\u00b5s"}, 
                              {"name": "T2", "value": 23.49615795695734, "date": "2019-04-22T01:31:32+00:00", "unit": "\u00b5s"}, 
                              {"name": "frequency", "value": 5.100093544085939, "date": "2019-04-22T03:26:08+00:00", "unit": "GHz"}, 
                              {"name": "readout_error", "value": 0.09050000000000002, "date": "2019-04-22T01:29:47+00:00", "unit": ""}], 
                          [
                              {"name": "T1", "value": 57.397746445609975, "date": "2019-04-22T01:30:15+00:00", "unit": "\u00b5s"}, 
                              {"name": "T2", "value": 98.47976889309517, "date": "2019-04-22T01:32:32+00:00", "unit": "\u00b5s"}, 
                              {"name": "frequency", "value": 5.238526396839902, "date": "2019-04-22T03:26:08+00:00", "unit": "GHz"}, 
                              {"name": "readout_error", "value": 0.24350000000000005, "date": "2019-04-20T15:31:39+00:00", "unit": ""}], 
                          [
                              {"name": "T1", "value": 23.809868955712616, "date": "2019-04-22T01:30:15+00:00", "unit": "\u00b5s"}, 
                              {"name": "T2", "value": 43.41142418044261, "date": "2019-04-22T01:33:33+00:00", "unit": "\u00b5s"}, 
                              {"name": "frequency", "value": 5.032871440179164, "date": "2019-04-22T03:26:08+00:00", "unit": "GHz"}, 
                              {"name": "readout_error", "value": 0.03489999999999993, "date": "2019-04-22T01:29:47+00:00", "unit": ""}], 
                          [
                              {"name": "T1", "value": 68.14048367144501, "date": "2019-04-22T01:30:15+00:00", "unit": "\u00b5s"}, 
                              {"name": "T2", "value": 56.95903203933663, "date": "2019-04-22T01:34:36+00:00", "unit": "\u00b5s"}, 
                              {"name": "frequency", "value": 4.896209948700639, "date": "2019-04-22T03:26:08+00:00", "unit": "GHz"}, 
                              {"name": "readout_error", "value": 0.19589999999999996, "date": "2019-04-22T01:29:47+00:00", "unit": ""}], 
                          ], 
                      "backend_name": "mock_4q", 
                      "backend_version": "1.0.0"}
        return BackendProperties.from_dict(properties)

    
    def test_truncate_ideal_sparse_circuit(self):
        """Test qubit truncation for large circuit with unused qubits."""
        
        # Circuit that uses just 2-qubits
        circuit = QuantumCircuit(50, 2)
        circuit.x(10)
        circuit.x(20)
        circuit.measure(10, 0)
        circuit.measure(20, 1)


        qasm_sim = Aer.get_backend('qasm_simulator')
        backend_options = self.BACKEND_OPTS.copy()
        backend_options["truncate_verbose"] = True
        backend_options['optimize_ideal_threshold'] = 1
        backend_options['optimize_noise_threshold'] = 1

        result = execute(circuit, 
                         qasm_sim, 
                         shots=100,
                         **backend_options).result()
        metadata = result.results[0].metadata
        self.assertTrue('truncate_qubits' in metadata, msg="truncate_qubits must work.")
        active_qubits = sorted(metadata['truncate_qubits'].get('active_qubits', []))
        mapping = sorted(metadata['truncate_qubits'].get('mapping', []))
        self.assertEqual(active_qubits, [10, 20])
        self.assertIn(mapping, [[[10, 0], [20, 1]], [[10, 1], [20, 0]]])

    def test_truncate_nonlocal_noise(self):
        """Test qubit truncation with non-local noise."""
        
        # Circuit that uses just 2-qubits
        circuit = QuantumCircuit(10, 1)
        circuit.x(5)
        circuit.measure(5, 0)

        # Add non-local 2-qubit depolarizing error
        # that acts on qubits [4, 6] when X applied to qubit 5
        noise_model = NoiseModel()
        error = depolarizing_error(0.1, 2)
        noise_model.add_nonlocal_quantum_error(error, ['x'], [5], [4, 6])

        qasm_sim = Aer.get_backend('qasm_simulator')
        backend_options = self.BACKEND_OPTS.copy()
        backend_options["truncate_verbose"] = True
        backend_options['optimize_ideal_threshold'] = 1
        backend_options['optimize_noise_threshold'] = 1

        result = execute(circuit, 
                         qasm_sim, 
                         shots=100,
                         noise_model=noise_model,
                         **backend_options).result()
        metadata = result.results[0].metadata
        self.assertTrue('truncate_qubits' in metadata, msg="truncate_qubits must work.")
        active_qubits = sorted(metadata['truncate_qubits'].get('active_qubits', []))
        mapping = metadata['truncate_qubits'].get('mapping', [])
        active_remapped = sorted([i[1] for i in mapping if i[0] in active_qubits])
        self.assertEqual(active_qubits, [4, 5, 6])
        self.assertEqual(active_remapped, [0, 1, 2])

    def test_truncate(self):
        """Test truncation with noise model option"""
        circuit = self.create_circuit_for_truncate()
        
        qasm_sim = Aer.get_backend('qasm_simulator')
        backend_options = self.BACKEND_OPTS.copy()
        backend_options["truncate_verbose"] = True
        backend_options['optimize_ideal_threshold'] = 1
        backend_options['optimize_noise_threshold'] = 1

        result = execute(circuit, 
                            qasm_sim, 
                            noise_model=NoiseModel.from_backend(self.device_properties()), 
                            shots=100,
                            coupling_map=[[0, 1], [1, 2], [2, 3], [3, 4], [4, 5], [5, 6], [6, 7], [7, 8], [8, 9], [9, 0]], # 10-qubit device
                            **backend_options).result()
                            
        self.assertTrue('truncate_qubits' in result.to_dict()['results'][0]['metadata'], msg="truncate_qubits must work.")

    def test_no_truncate(self):
        """Test truncation with noise model option"""
        circuit = self.create_circuit_for_truncate()
        
        qasm_sim = Aer.get_backend('qasm_simulator')
        backend_options = self.BACKEND_OPTS.copy()
        backend_options["truncate_verbose"] = True
        backend_options['optimize_ideal_threshold'] = 1
        backend_options['optimize_noise_threshold'] = 1

        result = execute(circuit, 
                            qasm_sim, 
                            noise_model=NoiseModel.from_backend(self.device_properties()), 
                            shots=100,
                            coupling_map=[[1, 0], [1, 2], [1, 3], [2, 0], [2, 1], [2, 3], [3, 0], [3, 1], [3, 2]], # 4-qubit device
                            **backend_options).result()
                            
        self.assertFalse('truncate_qubits' in result.to_dict()['results'][0]['metadata'], msg="truncate_qubits must work.")

    
    def test_truncate_disable(self):
        """Test explicitly disabling truncation with noise model option"""
        circuit = self.create_circuit_for_truncate()
        
        qasm_sim = Aer.get_backend('qasm_simulator')
        backend_options = self.BACKEND_OPTS.copy()
        backend_options["truncate_verbose"] = True
        backend_options["truncate_enable"] = False
        backend_options['optimize_ideal_threshold'] = 1
        backend_options['optimize_noise_threshold'] = 1

        result = execute(circuit, 
                            qasm_sim, 
                            noise_model=NoiseModel.from_backend(self.device_properties()), 
                            shots=100,
                            coupling_map=[[0, 1], [1, 2], [2, 3], [3, 4], [4, 5], [5, 6], [6, 7], [7, 8], [8, 9], [9, 0]], # 10-qubit device
                            **backend_options).result()
                            
        self.assertFalse('truncate_qubits' in result.to_dict()['results'][0]['metadata'], msg="truncate_qubits must not work.")
class QasmCliffordTestsMinimalBasis:
    """QasmSimulator Clifford gate tests in minimam U,CX basis."""

    SIMULATOR = QasmSimulator()
    BACKEND_OPTS = {}

    # ---------------------------------------------------------------------
    # Test h-gate
    # ---------------------------------------------------------------------

    def test_h_gate_deterministic_minimal_basis_gates(self):
        """Test h-gate gate circuits compiling to u3,cx"""
        shots = 100
        circuits = ref_1q_clifford.h_gate_circuits_deterministic(
            final_measure=True)
        targets = ref_1q_clifford.h_gate_counts_deterministic(shots)
        job = execute(circuits,
                      self.SIMULATOR,
                      shots=shots,
                      basis_gates=['u3', 'cx'],
                      **self.BACKEND_OPTS)
        result = job.result()
        self.assertSuccess(result)
        self.compare_counts(result, circuits, targets, delta=0.05 * shots)

    def test_h_gate_nondeterministic_minimal_basis_gates(self):
        """Test h-gate gate circuits compiling to u3,cx"""
        shots = 4000
        circuits = ref_1q_clifford.h_gate_circuits_nondeterministic(
            final_measure=True)
        targets = ref_1q_clifford.h_gate_counts_nondeterministic(shots)
        job = execute(circuits,
                      self.SIMULATOR,
                      shots=shots,
                      basis_gates=['u3', 'cx'],
                      **self.BACKEND_OPTS)
        result = job.result()
        self.assertSuccess(result)
        self.compare_counts(result, circuits, targets, delta=0.05 * shots)

    # ---------------------------------------------------------------------
    # Test x-gate
    # ---------------------------------------------------------------------
    def test_x_gate_deterministic_minimal_basis_gates(self):
        """Test x-gate gate circuits compiling to u3,cx"""
        shots = 100
        circuits = ref_1q_clifford.x_gate_circuits_deterministic(
            final_measure=True)
        targets = ref_1q_clifford.x_gate_counts_deterministic(shots)
        job = execute(circuits,
                      self.SIMULATOR,
                      shots=shots,
                      basis_gates=['u3', 'cx'])
        result = job.result()
        self.assertSuccess(result)
        self.compare_counts(result, circuits, targets, delta=0)

    # ---------------------------------------------------------------------
    # Test z-gate
    # ---------------------------------------------------------------------

    def test_z_gate_deterministic_minimal_basis_gates(self):
        """Test z-gate gate circuits compiling to u3,cx"""
        shots = 100
        circuits = ref_1q_clifford.z_gate_circuits_deterministic(
            final_measure=True)
        targets = ref_1q_clifford.z_gate_counts_deterministic(shots)
        job = execute(circuits,
                      self.SIMULATOR,
                      shots=shots,
                      basis_gates=['u3', 'cx'],
                      **self.BACKEND_OPTS)
        result = job.result()
        self.assertSuccess(result)
        self.compare_counts(result, circuits, targets, delta=0)

    # ---------------------------------------------------------------------
    # Test y-gate
    # ---------------------------------------------------------------------

    def test_y_gate_deterministic_minimal_basis_gates(self):
        """Test y-gate gate circuits compiling to u3,cx"""
        shots = 100
        circuits = ref_1q_clifford.y_gate_circuits_deterministic(
            final_measure=True)
        targets = ref_1q_clifford.y_gate_counts_deterministic(shots)
        job = execute(circuits,
                      self.SIMULATOR,
                      shots=shots,
                      basis_gates=['u3', 'cx'],
                      **self.BACKEND_OPTS)
        result = job.result()
        self.assertSuccess(result)
        self.compare_counts(result, circuits, targets, delta=0)

    # ---------------------------------------------------------------------
    # Test s-gate
    # ---------------------------------------------------------------------

    def test_s_gate_deterministic_minimal_basis_gates(self):
        """Test s-gate gate circuits compiling to u3,cx"""
        shots = 100
        circuits = ref_1q_clifford.s_gate_circuits_deterministic(
            final_measure=True)
        targets = ref_1q_clifford.s_gate_counts_deterministic(shots)
        job = execute(circuits,
                      self.SIMULATOR,
                      shots=shots,
                      basis_gates=['u3', 'cx'],
                      **self.BACKEND_OPTS)
        result = job.result()
        self.assertSuccess(result)
        self.compare_counts(result, circuits, targets, delta=0)

    def test_s_gate_nondeterministic_minimal_basis_gates(self):
        """Test s-gate gate circuits compiling to u3,cx"""
        shots = 4000
        circuits = ref_1q_clifford.s_gate_circuits_nondeterministic(
            final_measure=True)
        targets = ref_1q_clifford.s_gate_counts_nondeterministic(shots)
        job = execute(circuits,
                      self.SIMULATOR,
                      shots=shots,
                      basis_gates=['u3', 'cx'],
                      **self.BACKEND_OPTS)
        result = job.result()
        self.assertSuccess(result)
        self.compare_counts(result, circuits, targets, delta=0.05 * shots)

    # ---------------------------------------------------------------------
    # Test sdg-gate
    # ---------------------------------------------------------------------
    def test_sdg_gate_deterministic_minimal_basis_gates(self):
        """Test sdg-gate gate circuits compiling to u3,cx"""
        shots = 100
        circuits = ref_1q_clifford.sdg_gate_circuits_deterministic(
            final_measure=True)
        targets = ref_1q_clifford.sdg_gate_counts_deterministic(shots)
        job = execute(circuits,
                      self.SIMULATOR,
                      shots=shots,
                      basis_gates=['u3', 'cx'],
                      **self.BACKEND_OPTS)
        result = job.result()
        self.assertSuccess(result)
        self.compare_counts(result, circuits, targets, delta=0)

    def test_sdg_gate_nondeterministic_minimal_basis_gates(self):
        """Test sdg-gate gate circuits compiling to u3,cx"""
        shots = 4000
        circuits = ref_1q_clifford.sdg_gate_circuits_nondeterministic(
            final_measure=True)
        targets = ref_1q_clifford.sdg_gate_counts_nondeterministic(shots)
        job = execute(circuits,
                      self.SIMULATOR,
                      shots=shots,
                      basis_gates=['u3', 'cx'],
                      **self.BACKEND_OPTS)
        result = job.result()
        self.assertSuccess(result)
        self.compare_counts(result, circuits, targets, delta=0.05 * shots)

    # ---------------------------------------------------------------------
    # Test cx-gate
    # ---------------------------------------------------------------------
    def test_cx_gate_deterministic_minimal_basis_gates(self):
        """Test cx-gate gate circuits compiling to u3,cx"""
        shots = 100
        circuits = ref_2q_clifford.cx_gate_circuits_deterministic(
            final_measure=True)
        targets = ref_2q_clifford.cx_gate_counts_deterministic(shots)
        job = execute(circuits,
                      self.SIMULATOR,
                      shots=shots,
                      basis_gates=['u3', 'cx'],
                      **self.BACKEND_OPTS)
        result = job.result()
        self.assertSuccess(result)
        self.compare_counts(result, circuits, targets, delta=0)

    def test_cx_gate_nondeterministic_minimal_basis_gates(self):
        """Test cx-gate gate circuits compiling to u3,cx"""
        shots = 4000
        circuits = ref_2q_clifford.cx_gate_circuits_nondeterministic(
            final_measure=True)
        targets = ref_2q_clifford.cx_gate_counts_nondeterministic(shots)
        job = execute(circuits,
                      self.SIMULATOR,
                      shots=shots,
                      basis_gates=['u3', 'cx'],
                      **self.BACKEND_OPTS)
        result = job.result()
        self.assertSuccess(result)
        self.compare_counts(result, circuits, targets, delta=0.05 * shots)

    # ---------------------------------------------------------------------
    # Test cz-gate
    # ---------------------------------------------------------------------
    def test_cz_gate_deterministic_minimal_basis_gates(self):
        """Test cz-gate gate circuits compiling to u3,cx"""
        shots = 100
        circuits = ref_2q_clifford.cz_gate_circuits_deterministic(
            final_measure=True)
        targets = ref_2q_clifford.cz_gate_counts_deterministic(shots)
        job = execute(circuits,
                      self.SIMULATOR,
                      shots=shots,
                      basis_gates=['u3', 'cx'],
                      **self.BACKEND_OPTS)
        result = job.result()
        self.assertSuccess(result)
        self.compare_counts(result, circuits, targets, delta=0)

    def test_cz_gate_nondeterministic_minimal_basis_gates(self):
        """Test cz-gate gate circuits compiling to u3,cx"""
        shots = 4000
        circuits = ref_2q_clifford.cz_gate_circuits_nondeterministic(
            final_measure=True)
        targets = ref_2q_clifford.cz_gate_counts_nondeterministic(shots)
        job = execute(circuits,
                      self.SIMULATOR,
                      shots=shots,
                      basis_gates=['u3', 'cx'],
                      **self.BACKEND_OPTS)
        result = job.result()
        self.assertSuccess(result)
        self.compare_counts(result, circuits, targets, delta=0.05 * shots)

    # ---------------------------------------------------------------------
    # Test swap-gate
    # ---------------------------------------------------------------------
    def test_swap_gate_deterministic_minimal_basis_gates(self):
        """Test swap-gate gate circuits compiling to u3,cx"""
        shots = 100
        circuits = ref_2q_clifford.swap_gate_circuits_deterministic(
            final_measure=True)
        targets = ref_2q_clifford.swap_gate_counts_deterministic(shots)
        job = execute(circuits,
                      self.SIMULATOR,
                      shots=shots,
                      basis_gates=['u3', 'cx'],
                      **self.BACKEND_OPTS)
        result = job.result()
        self.assertSuccess(result)
        self.compare_counts(result, circuits, targets, delta=0)

    def test_swap_gate_nondeterministic_minimal_basis_gates(self):
        """Test swap-gate gate circuits compiling to u3,cx"""
        shots = 4000
        circuits = ref_2q_clifford.swap_gate_circuits_nondeterministic(
            final_measure=True)
        targets = ref_2q_clifford.swap_gate_counts_nondeterministic(shots)
        job = execute(circuits,
                      self.SIMULATOR,
                      shots=shots,
                      basis_gates=['u3', 'cx'],
                      **self.BACKEND_OPTS)
        result = job.result()
        self.assertSuccess(result)
        self.compare_counts(result, circuits, targets, delta=0.05 * shots)
Пример #21
0
class QasmFusionTests:
    """QasmSimulator fusion tests."""

    SIMULATOR = QasmSimulator()

    def create_statevector_circuit(self):
        """ Creates a simple circuit for running in the statevector """
        qr = QuantumRegister(5)
        cr = ClassicalRegister(5)
        circuit = QuantumCircuit(qr, cr)
        circuit.u3(0.1, 0.1, 0.1, qr[0])
        circuit.barrier(qr)
        circuit.x(qr[0])
        circuit.barrier(qr)
        circuit.x(qr[1])
        circuit.barrier(qr)
        circuit.x(qr[0])
        circuit.barrier(qr)
        circuit.u3(0.1, 0.1, 0.1, qr[0])
        circuit.barrier(qr)
        circuit.measure(qr, cr)
        return circuit

    def noise_model_depol(self):
        """ Creates a new noise model for testing purposes """
        readout_error = [0.01, 0.1]
        params = {'u3': (1, 0.001), 'cx': (2, 0.02)}
        noise = NoiseModel()
        readout = [[1.0 - readout_error[0], readout_error[0]],
                   [readout_error[1], 1.0 - readout_error[1]]]
        noise.add_all_qubit_readout_error(ReadoutError(readout))
        for gate, (num_qubits, gate_error) in params.items():
            noise.add_all_qubit_quantum_error(
                depolarizing_error(gate_error, num_qubits), gate)
            return noise

    def noise_model_kraus(self):
        """ Creates a new noise model for testing purposes """
        readout_error = [0.01, 0.1]
        params = {'u3': (1, 0.001), 'cx': (2, 0.02)}
        noise = NoiseModel()
        readout = [[1.0 - readout_error[0], readout_error[0]],
                   [readout_error[1], 1.0 - readout_error[1]]]
        noise.add_all_qubit_readout_error(ReadoutError(readout))
        for gate, (num_qubits, gate_error) in params.items():
            noise.add_all_qubit_quantum_error(
                amplitude_damping_error(gate_error, num_qubits), gate)
            return noise

    def fusion_options(self, enabled=None, threshold=None, verbose=None):
        """Return default backend_options dict."""
        backend_options = self.BACKEND_OPTS.copy()
        if enabled is not None:
            backend_options['fusion_enable'] = enabled
        if verbose is not None:
            backend_options['fusion_verbose'] = verbose
        if threshold is not None:
            backend_options['fusion_threshold'] = threshold
        return backend_options

    def fusion_metadata(self, result):
        """Return fusion metadata dict"""
        metadata = result.results[0].metadata
        return metadata.get('fusion', {})

    def test_fusion_theshold(self):
        """Test fusion threhsold"""
        shots = 100
        threshold = 6
        backend_options = self.fusion_options(enabled=True,
                                              threshold=threshold)

        with self.subTest(msg='below fusion threshold'):
            circuit = transpile(QFT(threshold - 1),
                                self.SIMULATOR,
                                basis_gates=['u1', 'u2', 'u3', 'cx', 'cz'],
                                optimization_level=0)
            circuit.measure_all()
            qobj = assemble(circuit, self.SIMULATOR, shots=shots)
            result = self.SIMULATOR.run(qobj, **backend_options).result()
            self.assertSuccess(result)
            #meta = self.fusion_metadata(result)
            #self.assertTrue(meta.get('enabled'))
            #self.assertFalse(meta.get('applied'))

        with self.subTest(msg='at fusion threshold'):
            circuit = transpile(QFT(threshold),
                                self.SIMULATOR,
                                basis_gates=['u1', 'u2', 'u3', 'cx', 'cz'],
                                optimization_level=0)
            circuit.measure_all()
            qobj = assemble(circuit, self.SIMULATOR, shots=shots)
            result = self.SIMULATOR.run(qobj, **backend_options).result()
            self.assertSuccess(result)
            #meta = self.fusion_metadata(result)
            #self.assertTrue(meta.get('enabled'))
            #self.assertFalse(meta.get('applied'))

        with self.subTest(msg='above fusion threshold'):
            circuit = transpile(QFT(threshold + 1),
                                self.SIMULATOR,
                                basis_gates=['u1', 'u2', 'u3', 'cx', 'cz'],
                                optimization_level=0)
            circuit.measure_all()
            qobj = assemble(circuit, self.SIMULATOR, shots=shots)
            result = self.SIMULATOR.run(qobj, **backend_options).result()
            self.assertSuccess(result)
            #meta = self.fusion_metadata(result)
            #self.assertTrue(meta.get('enabled'))
            #self.assertTrue(meta.get('applied'))

    def test_fusion_verbose(self):
        """Test Fusion with verbose option"""
        circuit = self.create_statevector_circuit()
        shots = 100
        qobj = assemble(transpile([circuit],
                                  self.SIMULATOR,
                                  optimization_level=0),
                        shots=shots)

        with self.subTest(msg='verbose enabled'):
            backend_options = self.fusion_options(enabled=True,
                                                  verbose=True,
                                                  threshold=1)
            result = self.SIMULATOR.run(qobj, **backend_options).result()
            # Assert fusion applied succesfully
            self.assertSuccess(result)
            #meta = self.fusion_metadata(result)
            #self.assertTrue(meta.get('applied', False))
            # Assert verbose meta data in output
            #self.assertIn('input_ops', meta)
            #self.assertIn('output_ops', meta)

        with self.subTest(msg='verbose disabled'):
            backend_options = self.fusion_options(enabled=True,
                                                  verbose=False,
                                                  threshold=1)
            result = self.SIMULATOR.run(qobj, **backend_options).result()
            # Assert fusion applied succesfully
            self.assertSuccess(result)
            #meta = self.fusion_metadata(result)
            #self.assertTrue(meta.get('applied', False))
            # Assert verbose meta data not in output
            #self.assertNotIn('input_ops', meta)
            #self.assertNotIn('output_ops', meta)

        with self.subTest(msg='verbose default'):
            backend_options = self.fusion_options(enabled=True, threshold=1)
            result = self.SIMULATOR.run(qobj, **backend_options).result()

            # Assert fusion applied succesfully
            self.assertSuccess(result)
            #meta = self.fusion_metadata(result)
            #self.assertTrue(meta.get('applied', False))
            # Assert verbose meta data not in output
            #self.assertNotIn('input_ops', meta)
            #self.assertNotIn('output_ops', meta)

    #def test_kraus_noise_fusion(self):
    #    """Test Fusion with kraus noise model option"""
    #    shots = 100
    #    circuit = self.create_statevector_circuit()
    #    noise_model = self.noise_model_kraus()
    #    circuit = transpile([circuit],
    #                        backend=self.SIMULATOR,
    #                        basis_gates=noise_model.basis_gates,
    #                        optimization_level=0)
    #    qobj = assemble([circuit],
    #                    self.SIMULATOR,
    #                    shots=shots,
    #                    seed_simulator=1)
    #    backend_options = self.fusion_options(enabled=True, threshold=1)
    #    result = self.SIMULATOR.run(qobj,
    #                                noise_model=noise_model,
    #                                **backend_options).result()
    #    method = result.results[0].metadata.get('method')
    #    #meta = self.fusion_metadata(result)
    #    if method in ['density_matrix', 'density_matrix_thrust', 'density_matrix_gpu']:
    #        target_method = 'superop'
    #    else:
    #        target_method = 'kraus'

    #    self.assertSuccess(result)
    #    #self.assertTrue(meta.get('applied', False),
    #    #                msg='fusion should have been applied.')
    #    #self.assertEqual(meta.get('method', None), target_method)

    #def test_non_kraus_noise_fusion(self):
    #    """Test Fusion with non-kraus noise model option"""
    #    shots = 100
    #    circuit = self.create_statevector_circuit()
    #    noise_model = self.noise_model_depol()
    #    circuit = transpile([circuit],
    #                        backend=self.SIMULATOR,
    #                        basis_gates=noise_model.basis_gates,
    #                        optimization_level=0)
    #    qobj = assemble([circuit],
    #                    self.SIMULATOR,
    #                    shots=shots,
    #                    seed_simulator=1)
    #    backend_options = self.fusion_options(enabled=True, threshold=1)
    #    result = self.SIMULATOR.run(qobj,
    #                                noise_model=noise_model,
    #                                **backend_options).result()
    #    #meta = self.fusion_metadata(result)
    #    method = result.results[0].metadata.get('method')
    #    if method in ['density_matrix', 'density_matrix_thrust', 'density_matrix_gpu']:
    #        target_method = 'superop'
    #    else:
    #        target_method = 'unitary'

    #    self.assertSuccess(result)
    #    #self.assertTrue(meta.get('applied', False),
    #    #                msg='fusion should have been applied.')
    #    #self.assertEqual(meta.get('method', None), target_method)

    def test_control_fusion(self):
        """Test Fusion enable/disable option"""
        shots = 100
        circuit = transpile(self.create_statevector_circuit(),
                            backend=self.SIMULATOR,
                            optimization_level=0)
        qobj = assemble([circuit],
                        self.SIMULATOR,
                        shots=shots,
                        seed_simulator=1)

        with self.subTest(msg='fusion enabled'):
            backend_options = self.fusion_options(enabled=True, threshold=1)
            result = self.SIMULATOR.run(copy.deepcopy(qobj),
                                        **backend_options).result()
            #meta = self.fusion_metadata(result)

            self.assertSuccess(result)
            #self.assertTrue(meta.get('enabled'))
            #self.assertTrue(meta.get('applied', False))

        with self.subTest(msg='fusion disabled'):
            backend_options = backend_options = self.fusion_options(
                enabled=False, threshold=1)
            result = self.SIMULATOR.run(copy.deepcopy(qobj),
                                        **backend_options).result()
            #meta = self.fusion_metadata(result)

            self.assertSuccess(result)
            #self.assertFalse(meta.get('enabled'))

        with self.subTest(msg='fusion default'):
            backend_options = self.fusion_options()

            result = self.SIMULATOR.run(copy.deepcopy(qobj),
                                        **backend_options).result()
            #meta = self.fusion_metadata(result)

            self.assertSuccess(result)
            #self.assertTrue(meta.get('enabled'))
            #self.assertFalse(meta.get('applied', False), msg=meta)

    def test_fusion_operations(self):
        """Test Fusion enable/disable option"""
        shots = 100
        num_qubits = 8

        qr = QuantumRegister(num_qubits)
        cr = ClassicalRegister(num_qubits)
        circuit = QuantumCircuit(qr, cr)

        circuit.h(qr)
        circuit.barrier(qr)

        circuit.u3(0.1, 0.1, 0.1, qr[0])
        circuit.barrier(qr)
        circuit.u3(0.1, 0.1, 0.1, qr[1])
        circuit.barrier(qr)
        circuit.cx(qr[1], qr[0])
        circuit.barrier(qr)
        circuit.u3(0.1, 0.1, 0.1, qr[0])
        circuit.barrier(qr)
        circuit.u3(0.1, 0.1, 0.1, qr[1])
        circuit.barrier(qr)
        circuit.u3(0.1, 0.1, 0.1, qr[3])
        circuit.barrier(qr)

        circuit.x(qr[0])
        circuit.barrier(qr)
        circuit.x(qr[1])
        circuit.barrier(qr)
        circuit.x(qr[0])
        circuit.barrier(qr)
        circuit.x(qr[1])
        circuit.barrier(qr)
        circuit.cx(qr[2], qr[3])
        circuit.barrier(qr)
        circuit.u3(0.1, 0.1, 0.1, qr[3])
        circuit.barrier(qr)
        circuit.u3(0.1, 0.1, 0.1, qr[3])
        circuit.barrier(qr)

        circuit.x(qr[0])
        circuit.barrier(qr)
        circuit.x(qr[1])
        circuit.barrier(qr)
        circuit.x(qr[0])
        circuit.barrier(qr)
        circuit.x(qr[1])
        circuit.barrier(qr)
        circuit.cx(qr[2], qr[3])
        circuit.barrier(qr)
        circuit.u3(0.1, 0.1, 0.1, qr[3])
        circuit.barrier(qr)
        circuit.u3(0.1, 0.1, 0.1, qr[3])
        circuit.barrier(qr)

        circuit.measure(qr, cr)

        circuit = transpile(circuit,
                            backend=self.SIMULATOR,
                            optimization_level=0)
        qobj = assemble([circuit],
                        self.SIMULATOR,
                        shots=shots,
                        seed_simulator=1)

        backend_options = self.fusion_options(enabled=False, threshold=1)
        result_disabled = self.SIMULATOR.run(qobj, **backend_options).result()
        #meta_disabled = self.fusion_metadata(result_disabled)

        backend_options = self.fusion_options(enabled=True, threshold=1)
        result_enabled = self.SIMULATOR.run(qobj, **backend_options).result()
        #meta_enabled = self.fusion_metadata(result_enabled)

        #self.assertTrue(getattr(result_disabled, 'success', 'False'))
        #self.assertTrue(getattr(result_enabled, 'success', 'False'))
        #self.assertFalse(meta_disabled.get('enabled'))
        #self.assertTrue(meta_enabled.get('enabled'))
        #self.assertTrue(meta_enabled.get('applied'))
        #self.assertDictAlmostEqual(result_enabled.get_counts(circuit),
        #                           result_disabled.get_counts(circuit),
        #                           delta=0.0,
        #                           msg="fusion for qft was failed")

    def test_fusion_qv(self):
        """Test Fusion with quantum volume"""
        shots = 100
        num_qubits = 6
        depth = 2
        circuit = transpile(QuantumVolume(num_qubits, depth, seed=0),
                            backend=self.SIMULATOR,
                            optimization_level=0)
        circuit.measure_all()
        qobj_disabled = assemble([circuit],
                                 self.SIMULATOR,
                                 shots=shots,
                                 **self.fusion_options(enabled=False,
                                                       threshold=1,
                                                       verbose=True))
        result_disabled = self.SIMULATOR.run(qobj_disabled).result()
        #meta_disabled = self.fusion_metadata(result_disabled)

        qobj_enabled = assemble([circuit],
                                self.SIMULATOR,
                                shots=shots,
                                **self.fusion_options(enabled=True,
                                                      threshold=1,
                                                      verbose=True))
        result_enabled = self.SIMULATOR.run(qobj_enabled).result()
        #meta_enabled = self.fusion_metadata(result_enabled)

        #self.assertTrue(getattr(result_disabled, 'success', 'False'))
        #self.assertTrue(getattr(result_enabled, 'success', 'False'))
        #self.assertFalse(meta_disabled.get('applied', False))
        #self.assertTrue(meta_enabled.get('applied', False))
        #self.assertDictAlmostEqual(result_enabled.get_counts(circuit),
        #                           result_disabled.get_counts(circuit),
        #                           delta=0.0,
        #                           msg="fusion for qft was failed")

    def test_fusion_qft(self):
        """Test Fusion with qft"""
        shots = 100
        num_qubits = 8
        circuit = transpile(QFT(num_qubits),
                            backend=self.SIMULATOR,
                            basis_gates=['u1', 'u2', 'u3', 'cx', 'cz'],
                            optimization_level=0)
        circuit.measure_all()
        qobj = assemble([circuit],
                        self.SIMULATOR,
                        shots=shots,
                        seed_simulator=1)

        backend_options = self.fusion_options(enabled=False, threshold=1)
        result_disabled = self.SIMULATOR.run(qobj, **backend_options).result()
        #meta_disabled = self.fusion_metadata(result_disabled)

        backend_options = self.fusion_options(enabled=True, threshold=1)
        result_enabled = self.SIMULATOR.run(qobj, **backend_options).result()
Пример #22
0
class QasmMultiQubitMeasureTests:
    """QasmSimulator measure tests."""

    SIMULATOR = QasmSimulator()
    BACKEND_OPTS = {}

    # ---------------------------------------------------------------------
    # Test multi-qubit measure qobj instruction
    # ---------------------------------------------------------------------
    def test_measure_deterministic_multi_qubit_with_sampling(self):
        """Test QasmSimulator multi-qubit measure with deterministic counts with sampling"""
        shots = 100
        circuits = ref_measure.multiqubit_measure_circuits_deterministic(
            allow_sampling=True)
        target_counts = ref_measure.multiqubit_measure_counts_deterministic(
            shots)
        target_memory = ref_measure.multiqubit_measure_memory_deterministic(
            shots)
        qobj = assemble(circuits, self.SIMULATOR, shots=shots, memory=True)
        result = self.SIMULATOR.run(qobj, **self.BACKEND_OPTS).result()
        self.assertSuccess(result)
        self.compare_counts(result, circuits, target_counts, delta=0)
        self.compare_memory(result, circuits, target_memory)
        #self.compare_result_metadata(result, circuits, "measure_sampling", True)

    def test_measure_deterministic_multi_qubit_without_sampling(self):
        """Test QasmSimulator multi-qubit measure with deterministic counts without sampling"""
        shots = 100
        circuits = ref_measure.multiqubit_measure_circuits_deterministic(
            allow_sampling=False)
        target_counts = ref_measure.multiqubit_measure_counts_deterministic(
            shots)
        target_memory = ref_measure.multiqubit_measure_memory_deterministic(
            shots)
        qobj = assemble(circuits, self.SIMULATOR, shots=shots, memory=True)
        result = self.SIMULATOR.run(qobj, **self.BACKEND_OPTS).result()
        self.compare_counts(result, circuits, target_counts, delta=0)
        self.compare_memory(result, circuits, target_memory)
        #self.compare_result_metadata(result, circuits, "measure_sampling", False)

    def test_measure_nondeterministic_multi_qubit_with_sampling(self):
        """Test QasmSimulator measure with non-deterministic counts"""
        shots = 4000
        circuits = ref_measure.multiqubit_measure_circuits_nondeterministic(
            allow_sampling=True)
        targets = ref_measure.multiqubit_measure_counts_nondeterministic(shots)
        qobj = assemble(circuits, self.SIMULATOR, shots=shots)
        result = self.SIMULATOR.run(qobj, **self.BACKEND_OPTS).result()
        self.assertSuccess(result)
        self.compare_counts(result, circuits, targets, delta=0.05 * shots)
        #self.compare_result_metadata(result, circuits, "measure_sampling", True)

    def test_measure_nondeterministic_multi_qubit_without_sampling(self):
        """Test QasmSimulator measure with non-deterministic counts"""
        shots = 4000
        circuits = ref_measure.multiqubit_measure_circuits_nondeterministic(
            allow_sampling=False)
        targets = ref_measure.multiqubit_measure_counts_nondeterministic(shots)
        qobj = assemble(circuits, self.SIMULATOR, shots=shots)
        result = self.SIMULATOR.run(qobj, **self.BACKEND_OPTS).result()
        self.assertSuccess(result)
        self.compare_counts(result, circuits, targets, delta=0.05 * shots)
Пример #23
0
class QasmDelayMeasureTests:
    """QasmSimulator delay measure sampling optimization tests."""

    SIMULATOR = QasmSimulator()
    BACKEND_OPTS = {}


    def delay_measure_circuit(self):
        """Test circuit that allows measure delay optimization"""
        qr = QuantumRegister(2, 'qr')
        cr = ClassicalRegister(2, 'cr')
        circuit = QuantumCircuit(qr, cr)
        circuit.x(0)
        circuit.measure(0, 0)
        circuit.barrier([0, 1])
        circuit.x(1)
        circuit.measure(0, 1)
        return circuit

    def test_delay_measure_enable(self):
        """Test measure sampling works with delay measure optimization"""

        # Circuit that allows delay measure
        circuit = self.delay_measure_circuit()
        shots = 100
        qobj = assemble([circuit], self.SIMULATOR, shots=shots, seed_simulator=1)

        # Delay measure default 
        backend_options = self.BACKEND_OPTS.copy()
        backend_options['optimize_ideal_threshold'] = 0
        result = self.SIMULATOR.run(
            qobj,
            **backend_options).result()
        self.assertSuccess(result)
        #metadata = result.results[0].metadata
        #self.assertTrue(metadata.get('measure_sampling'))

        # Delay measure enabled
        backend_options = self.BACKEND_OPTS.copy()
        backend_options['delay_measure_enable'] = True
        backend_options['optimize_ideal_threshold'] = 0
        result = self.SIMULATOR.run(
            qobj,
            **backend_options).result()
        self.assertSuccess(result)
        #metadata = result.results[0].metadata
        #self.assertTrue(metadata.get('measure_sampling'))

        # Delay measure disabled
        backend_options = self.BACKEND_OPTS.copy()
        backend_options['delay_measure_enable'] = False
        backend_options['optimize_ideal_threshold'] = 0
        result = self.SIMULATOR.run(
            qobj,
            **backend_options).result()
        self.assertSuccess(result)
        #metadata = result.results[0].metadata
        #self.assertFalse(metadata.get('measure_sampling'))

    def test_delay_measure_verbose(self):
        """Test delay measure with verbose option"""
        circuit = self.delay_measure_circuit()
        shots = 100
        qobj = assemble([circuit], self.SIMULATOR, shots=shots, seed_simulator=1)

        # Delay measure verbose enabled
        backend_options = self.BACKEND_OPTS.copy()
        backend_options['delay_measure_enable'] = True
        backend_options['delay_measure_verbose'] = True
        backend_options['optimize_ideal_threshold'] = 0

        result = self.SIMULATOR.run(
            qobj,
            **backend_options).result()
        self.assertSuccess(result)
        #metadata = result.results[0].metadata
        #self.assertIn('delay_measure_verbose', metadata)

        # Delay measure verbose disabled
        backend_options = self.BACKEND_OPTS.copy()
        backend_options['delay_measure_enable'] = True
        backend_options['delay_measure_verbose'] = False
        backend_options['optimize_ideal_threshold'] = 0

        result = self.SIMULATOR.run(
            qobj,
            **backend_options).result()
        self.assertSuccess(result)
        #metadata = result.results[0].metadata
        #self.assertNotIn('delay_measure_verbose', metadata)

        # Delay measure verbose default
        backend_options = self.BACKEND_OPTS.copy()
        backend_options['delay_measure_enable'] = True
        backend_options['optimize_ideal_threshold'] = 1
        backend_options['optimize_noise_threshold'] = 1

        result = self.SIMULATOR.run(
            qobj,
            **backend_options).result()
        self.assertSuccess(result)
Пример #24
0
class QasmMethodTests:
    """QasmSimulator method option tests."""

    SIMULATOR = QasmSimulator()
    BACKEND_OPTS = {}

    # ---------------------------------------------------------------------
    # Test Clifford circuits with clifford and non-clifford noise
    # ---------------------------------------------------------------------
    def test_backend_method_clifford_circuits(self):
        """Test statevector method is used for Clifford circuit"""
        # Test circuits
        shots = 100
        circuits = ref_2q_clifford.cz_gate_circuits_deterministic(
            final_measure=True)
        qobj = assemble(circuits, self.SIMULATOR, shots=shots)

        result = self.SIMULATOR.run(qobj, **self.BACKEND_OPTS).result()
        success = getattr(result, 'success', False)
        self.assertTrue(success)
        # Check simulation method
        method = self.BACKEND_OPTS.get('method', 'automatic')
        if method != 'automatic':
            self.compare_result_metadata(result, circuits, 'method', method)
        else:
            self.compare_result_metadata(result, circuits, 'method',
                                         'stabilizer')

    def test_backend_method_clifford_circuits_and_reset_noise(self):
        """Test statevector method is used for Clifford circuit"""
        # Test noise model
        noise_circs = [[{
            "name": "reset",
            "qubits": [0]
        }], [{
            "name": "id",
            "qubits": [0]
        }]]
        noise_probs = [0.5, 0.5]
        error = QuantumError(zip(noise_circs, noise_probs))
        noise_model = NoiseModel()
        noise_model.add_all_qubit_quantum_error(
            error, ['id', 'x', 'y', 'z', 'h', 's', 'sdg'])

        # Test circuits
        shots = 100
        circuits = ref_2q_clifford.cz_gate_circuits_deterministic(
            final_measure=True)
        qobj = assemble(circuits, self.SIMULATOR, shots=shots)

        result = self.SIMULATOR.run(qobj,
                                    noise_model=noise_model,
                                    **self.BACKEND_OPTS).result()
        success = getattr(result, 'success', False)
        self.assertTrue(success)
        # Check simulation method
        method = self.BACKEND_OPTS.get('method', 'automatic')
        if method != 'automatic':
            self.compare_result_metadata(result, circuits, 'method', method)
        else:
            self.compare_result_metadata(result, circuits, 'method',
                                         'stabilizer')

    def test_backend_method_clifford_circuits_and_pauli_noise(self):
        """Test statevector method is used for Clifford circuit"""
        # Noise Model
        error = pauli_error([['XX', 0.5], ['II', 0.5]], standard_gates=True)
        noise_model = NoiseModel()
        noise_model.add_all_qubit_quantum_error(error, ['cz', 'cx'])

        # Test circuits
        shots = 100
        circuits = ref_2q_clifford.cz_gate_circuits_deterministic(
            final_measure=True)
        qobj = assemble(circuits, self.SIMULATOR, shots=shots)
        result = self.SIMULATOR.run(qobj, **self.BACKEND_OPTS).result()
        success = getattr(result, 'success', False)
        self.assertTrue(success)
        # Check simulation method
        method = self.BACKEND_OPTS.get('method', 'automatic')
        if method != 'automatic':
            self.compare_result_metadata(result, circuits, 'method', method)
        else:
            self.compare_result_metadata(result, circuits, 'method',
                                         'stabilizer')

    def test_backend_method_clifford_circuits_and_unitary_noise(self):
        """Test statevector method is used for Clifford circuit"""
        # Noise Model
        error = pauli_error([['XX', 0.5], ['II', 0.5]], standard_gates=False)
        noise_model = NoiseModel()
        noise_model.add_all_qubit_quantum_error(error, ['cz', 'cx'])

        # Test circuits
        shots = 100
        circuits = ref_2q_clifford.cz_gate_circuits_deterministic(
            final_measure=True)
        qobj = assemble(circuits, self.SIMULATOR, shots=shots)
        result = self.SIMULATOR.run(qobj,
                                    noise_model=noise_model,
                                    **self.BACKEND_OPTS).result()
        success = getattr(result, 'success', False)
        # Check simulation method
        method = self.BACKEND_OPTS.get('method', 'automatic')
        if method == 'stabilizer':
            self.assertFalse(success)
        else:
            self.assertTrue(success)
            if method == 'automatic':
                target_method = 'density_matrix'
            else:
                target_method = method
            self.compare_result_metadata(result, circuits, 'method',
                                         target_method)

    def test_backend_method_clifford_circuits_and_kraus_noise(self):
        """Test statevector method is used for Clifford circuit"""
        # Noise Model
        error = amplitude_damping_error(0.5)
        noise_model = NoiseModel()
        noise_model.add_all_qubit_quantum_error(
            error, ['id', 'x', 'y', 'z', 'h', 's', 'sdg'])

        # Test circuits
        shots = 100
        circuits = ref_2q_clifford.cz_gate_circuits_deterministic(
            final_measure=True)
        qobj = assemble(circuits, self.SIMULATOR, shots=shots)

        result = self.SIMULATOR.run(qobj,
                                    noise_model=noise_model,
                                    **self.BACKEND_OPTS).result()
        success = getattr(result, 'success', False)
        # Check simulation method
        method = self.BACKEND_OPTS.get('method', 'automatic')
        if method == 'stabilizer':
            self.assertFalse(success)
        else:
            self.assertTrue(success)
            if method == 'automatic':
                target_method = 'density_matrix'
            else:
                target_method = method
            self.compare_result_metadata(result, circuits, 'method',
                                         target_method)

    # ---------------------------------------------------------------------
    # Test non-Clifford circuits with clifford and non-clifford noise
    # ---------------------------------------------------------------------
    def test_backend_method_nonclifford_circuits(self):
        """Test statevector method is used for Clifford circuit"""
        # Test circuits
        shots = 100
        circuits = ref_non_clifford.ccx_gate_circuits_deterministic(
            final_measure=True)
        qobj = assemble(circuits, self.SIMULATOR, shots=shots)

        result = self.SIMULATOR.run(qobj, **self.BACKEND_OPTS).result()
        success = getattr(result, 'success', False)
        # Check simulation method
        method = self.BACKEND_OPTS.get('method', 'automatic')
        if method == 'stabilizer':
            self.assertFalse(success)
        else:
            self.assertTrue(success)
            if method == 'automatic':
                target_method = 'statevector'
            else:
                target_method = method
            self.compare_result_metadata(result, circuits, 'method',
                                         target_method)

    def test_backend_method_nonclifford_circuit_and_reset_noise(self):
        """Test statevector method is used for Clifford circuit"""
        # Test noise model
        noise_circs = [[{
            "name": "reset",
            "qubits": [0]
        }], [{
            "name": "id",
            "qubits": [0]
        }]]
        noise_probs = [0.5, 0.5]
        error = QuantumError(zip(noise_circs, noise_probs))
        noise_model = NoiseModel()
        noise_model.add_all_qubit_quantum_error(
            error, ['id', 'x', 'y', 'z', 'h', 's', 'sdg'])

        # Test circuits
        shots = 100
        circuits = ref_non_clifford.ccx_gate_circuits_deterministic(
            final_measure=True)
        qobj = assemble(circuits, self.SIMULATOR, shots=shots)

        result = self.SIMULATOR.run(qobj,
                                    noise_model=noise_model,
                                    **self.BACKEND_OPTS).result()
        success = getattr(result, 'success', False)
        # Check simulation method
        method = self.BACKEND_OPTS.get('method', 'automatic')
        if method == 'stabilizer':
            self.assertFalse(success)
        else:
            self.assertTrue
            self.assertTrue(success)
            if method == 'automatic':
                target_method = 'density_matrix'
            else:
                target_method = method
            self.compare_result_metadata(result, circuits, 'method',
                                         target_method)

    def test_backend_method_nonclifford_circuit_and_pauli_noise(self):
        """Test statevector method is used for Clifford circuit"""
        # Noise Model
        error = pauli_error([['XX', 0.5], ['II', 0.5]], standard_gates=True)
        noise_model = NoiseModel()
        noise_model.add_all_qubit_quantum_error(error, ['cz', 'cx'])

        # Test circuits
        shots = 100
        circuits = ref_non_clifford.ccx_gate_circuits_deterministic(
            final_measure=True)
        qobj = assemble(circuits, self.SIMULATOR, shots=shots)

        result = self.SIMULATOR.run(qobj,
                                    noise_model=noise_model,
                                    **self.BACKEND_OPTS).result()
        success = getattr(result, 'success', False)
        # Check simulation method
        method = self.BACKEND_OPTS.get('method', 'automatic')
        if method == 'stabilizer':
            self.assertFalse(success)
        else:
            self.assertTrue(success)
            if method == 'automatic':
                target_method = 'density_matrix'
            else:
                target_method = method
            self.compare_result_metadata(result, circuits, 'method',
                                         target_method)

    def test_backend_method_nonclifford_circuit_and_unitary_noise(self):
        """Test statevector method is used for Clifford circuit"""
        # Noise Model
        error = pauli_error([['XX', 0.5], ['II', 0.5]], standard_gates=False)
        noise_model = NoiseModel()
        noise_model.add_all_qubit_quantum_error(error, ['cz', 'cx'])

        # Test circuits
        shots = 100
        circuits = ref_non_clifford.ccx_gate_circuits_deterministic(
            final_measure=True)
        qobj = assemble(circuits, self.SIMULATOR, shots=shots)

        result = self.SIMULATOR.run(qobj,
                                    noise_model=noise_model,
                                    **self.BACKEND_OPTS).result()
        success = getattr(result, 'success', False)
        # Check simulation method
        method = self.BACKEND_OPTS.get('method', 'automatic')
        if method == 'stabilizer':
            self.assertFalse(success)
        else:
            self.assertTrue(success)
            if method == 'automatic':
                target_method = 'density_matrix'
            else:
                target_method = method
            self.compare_result_metadata(result, circuits, 'method',
                                         target_method)

    def test_backend_method_nonclifford_circuit_and_kraus_noise(self):
        """Test statevector method is used for Clifford circuit"""
        # Noise Model
        error = amplitude_damping_error(0.5)
        noise_model = NoiseModel()
        noise_model.add_all_qubit_quantum_error(
            error, ['id', 'x', 'y', 'z', 'h', 's', 'sdg'])

        # Test circuits
        shots = 100
        circuits = ref_non_clifford.ccx_gate_circuits_deterministic(
            final_measure=True)
        qobj = assemble(circuits, self.SIMULATOR, shots=shots)

        result = self.SIMULATOR.run(qobj,
                                    noise_model=noise_model,
                                    **self.BACKEND_OPTS).result()
        success = getattr(result, 'success', False)
        # Check simulation method
        method = self.BACKEND_OPTS.get('method', 'automatic')
        if method == 'stabilizer':
            self.assertFalse(success)
        else:
            self.assertTrue(success)
            if method == 'automatic':
                target_method = 'density_matrix'
            else:
                target_method = method
            self.compare_result_metadata(result, circuits, 'method',
                                         target_method)
Пример #25
0
class QasmMeasureTests:
    """QasmSimulator measure tests."""

    SIMULATOR = QasmSimulator()
    BACKEND_OPTS = {}

    # ---------------------------------------------------------------------
    # Test measure
    # ---------------------------------------------------------------------
    def test_measure_deterministic_with_sampling(self):
        """Test QasmSimulator measure with deterministic counts with sampling"""
        shots = 100
        circuits = ref_measure.measure_circuits_deterministic(
            allow_sampling=True)
        target_counts = ref_measure.measure_counts_deterministic(shots)
        target_memory = ref_measure.measure_memory_deterministic(shots)
        qobj = assemble(circuits, self.SIMULATOR, shots=shots, memory=True)
        result = self.SIMULATOR.run(qobj, **self.BACKEND_OPTS).result()
        self.assertSuccess(result)
        self.compare_counts(result, circuits, target_counts, delta=0)
        self.compare_memory(result, circuits, target_memory)
        #self.compare_result_metadata(result, circuits, "measure_sampling", True)

    def test_measure_deterministic_without_sampling(self):
        """Test QasmSimulator measure with deterministic counts without sampling"""
        shots = 100
        circuits = ref_measure.measure_circuits_deterministic(
            allow_sampling=False)
        target_counts = ref_measure.measure_counts_deterministic(shots)
        target_memory = ref_measure.measure_memory_deterministic(shots)
        qobj = assemble(circuits, self.SIMULATOR, shots=shots, memory=True)
        result = self.SIMULATOR.run(qobj, **self.BACKEND_OPTS).result()
        self.assertSuccess(result)
        self.compare_counts(result, circuits, target_counts, delta=0)
        self.compare_memory(result, circuits, target_memory)
        #self.compare_result_metadata(result, circuits, "measure_sampling", False)

    def test_measure_nondeterministic_with_sampling(self):
        """Test QasmSimulator measure with non-deterministic counts with sampling"""
        shots = 4000
        circuits = ref_measure.measure_circuits_nondeterministic(
            allow_sampling=True)
        targets = ref_measure.measure_counts_nondeterministic(shots)
        qobj = assemble(circuits, self.SIMULATOR, shots=shots)
        result = self.SIMULATOR.run(qobj, **self.BACKEND_OPTS).result()
        self.assertSuccess(result)
        self.compare_counts(result, circuits, targets, delta=0.05 * shots)
        # Test sampling was enabled
        #for res in result.results:
        #    self.assertIn("measure_sampling", res.metadata)
        #    self.assertEqual(res.metadata["measure_sampling"], True)

    def test_measure_nondeterministic_without_sampling(self):
        """Test QasmSimulator measure with non-deterministic counts without sampling"""
        shots = 4000
        circuits = ref_measure.measure_circuits_nondeterministic(
            allow_sampling=False)
        targets = ref_measure.measure_counts_nondeterministic(shots)
        qobj = assemble(circuits, self.SIMULATOR, shots=shots)
        result = self.SIMULATOR.run(qobj, **self.BACKEND_OPTS).result()
        self.assertSuccess(result)
        self.compare_counts(result, circuits, targets, delta=0.05 * shots)
        #self.compare_result_metadata(result, circuits, "measure_sampling", False)

    def test_measure_sampling_with_readouterror(self):
        """Test QasmSimulator measure with deterministic counts with sampling and readout-error"""
        readout_error = [0.01, 0.1]
        noise_model = NoiseModel()
        readout = [[1.0 - readout_error[0], readout_error[0]],
                   [readout_error[1], 1.0 - readout_error[1]]]
        noise_model.add_all_qubit_readout_error(ReadoutError(readout))

        shots = 1000
        circuits = ref_measure.measure_circuits_deterministic(
            allow_sampling=True)
        targets = ref_measure.measure_counts_deterministic(shots)
        qobj = assemble(circuits, self.SIMULATOR, shots=shots)
        result = self.SIMULATOR.run(qobj,
                                    noise_model=noise_model,
                                    **self.BACKEND_OPTS).result()
        self.assertSuccess(result)
        #self.compare_result_metadata(result, circuits, "measure_sampling", True)

    def test_measure_sampling_with_quantum_noise(self):
        """Test QasmSimulator measure with deterministic counts with sampling and readout-error"""
        readout_error = [0.01, 0.1]
        noise_model = NoiseModel()
        depolarizing = {'u3': (1, 0.001), 'cx': (2, 0.02)}
        readout = [[1.0 - readout_error[0], readout_error[0]],
                   [readout_error[1], 1.0 - readout_error[1]]]
        noise_model.add_all_qubit_readout_error(ReadoutError(readout))
        for gate, (num_qubits, gate_error) in depolarizing.items():
            noise_model.add_all_qubit_quantum_error(
                depolarizing_error(gate_error, num_qubits), gate)

        shots = 1000
        circuits = ref_measure.measure_circuits_deterministic(
            allow_sampling=True)
        targets = ref_measure.measure_counts_deterministic(shots)
        qobj = assemble(circuits, self.SIMULATOR, shots=shots)
        result = self.SIMULATOR.run(qobj,
                                    noise_model=noise_model,
                                    **self.BACKEND_OPTS).result()
        self.assertSuccess(result)
Пример #26
0
class QasmThreadManagementTests:
    """QasmSimulator thread tests."""

    SIMULATOR = QasmSimulator()
    BACKEND_OPTS = {}

    def backend_options_parallel(self,
                                 total_threads=None,
                                 state_threads=None,
                                 shot_threads=None,
                                 exp_threads=None):
        """Backend options with thread manangement."""
        opts = self.BACKEND_OPTS.copy()
        if total_threads:
            opts['max_parallel_threads'] = total_threads
        else:
            opts['max_parallel_threads'] = 0
        if shot_threads:
            opts['max_parallel_shots'] = shot_threads
        if state_threads:
            opts['max_parallel_state_update'] = state_threads
        if exp_threads:
            opts['max_parallel_experiments'] = exp_threads
        return opts

    def dummy_noise_model(self):
        """Return dummy noise model for dummy circuit"""
        noise_model = NoiseModel()
        error = pauli_error([('X', 0.25), ('I', 0.75)])
        noise_model.add_all_qubit_quantum_error(error, 'x')
        return noise_model

    def dummy_circuit(self, num_qubits):
        """Dummy circuit for testing thread settings"""
        circ = QuantumCircuit(num_qubits, num_qubits)
        circ.x(range(num_qubits))
        circ.measure(range(num_qubits), range(num_qubits))
        return circ

    def measure_in_middle_circuit(self, num_qubits):
        """Dummy circuit for testing thread settings"""
        circ = QuantumCircuit(num_qubits, num_qubits)
        circ.measure(range(num_qubits), range(num_qubits))
        circ.x(range(num_qubits))
        circ.measure(range(num_qubits), range(num_qubits))
        return circ

    def threads_used(self, result):
        """Return a list of threads used for each execution"""
        exp_threads = getattr(result, 'metadata',
                              {}).get('parallel_experiments', 1)
        threads = []
        for exp_result in getattr(result, 'results', []):
            exp_meta = getattr(exp_result, 'metadata', {})
            shot_threads = exp_meta.get('parallel_shots', 1)
            state_threads = exp_meta.get('parallel_state_update', 1)
            threads.append({
                'experiments': exp_threads,
                'shots': shot_threads,
                'state_update': state_threads,
                'total': exp_threads * shot_threads * state_threads
            })
        return threads

    def test_max_memory_settings(self):
        """test max memory configuration"""

        # 4-qubit quantum circuit
        shots = 100
        circuit = QuantumVolume(4, 1, seed=0)
        circuit.measure_all()
        system_memory = int(psutil.virtual_memory().total / 1024 / 1024)

        # Test defaults
        opts = self.backend_options_parallel()
        result = execute(circuit, self.SIMULATOR, shots=shots, **opts).result()
        max_mem_result = result.metadata.get('max_memory_mb')
        self.assertGreaterEqual(max_mem_result,
                                int(system_memory / 2),
                                msg="Default 'max_memory_mb' is too small.")
        self.assertLessEqual(max_mem_result,
                             system_memory,
                             msg="Default 'max_memory_mb' is too large.")

        # Test custom value
        max_mem_target = 128
        opts = self.backend_options_parallel()
        opts['max_memory_mb'] = max_mem_target
        result = execute(circuit, self.SIMULATOR, shots=shots, **opts).result()
        max_mem_result = result.metadata.get('max_memory_mb')
        self.assertEqual(
            max_mem_result,
            max_mem_target,
            msg="Custom 'max_memory_mb' is not being set correctly.")

    def available_threads(self):
        """"Return the threads reported by the simulator"""
        opts = self.backend_options_parallel()
        result = execute(self.dummy_circuit(1),
                         self.SIMULATOR,
                         shots=1,
                         **opts).result()
        return self.threads_used(result)[0]['total']

    @requires_omp
    @requires_multiprocessing
    def test_parallel_thread_defaults(self):
        """Test parallel thread assignment defaults"""

        opts = self.backend_options_parallel()
        max_threads = self.available_threads()

        # Test single circuit, no noise
        # Parallel experiments and shots should always be 1
        result = execute(self.dummy_circuit(1),
                         self.SIMULATOR,
                         shots=10 * max_threads,
                         **opts).result()
        for threads in self.threads_used(result):
            target = {
                'experiments': 1,
                'shots': 1,
                'state_update': max_threads,
                'total': max_threads
            }
            self.assertEqual(threads, target)

        # Test single circuit, with noise
        # Parallel experiments should always be 1
        # parallel shots should be greater than 1
        result = execute(self.dummy_circuit(1),
                         self.SIMULATOR,
                         shots=10 * max_threads,
                         noise_model=self.dummy_noise_model(),
                         **opts).result()
        for threads in self.threads_used(result):
            target = {
                'experiments': 1,
                'shots': max_threads,
                'state_update': 1,
                'total': max_threads
            }
            self.assertEqual(threads, target)

        # Test single circuit, with measure in middle, no noise
        # Parallel experiments should always be 1
        # parallel shots should be greater than 1
        result = execute(self.measure_in_middle_circuit(1),
                         self.SIMULATOR,
                         shots=10 * max_threads,
                         **opts).result()
        for threads in self.threads_used(result):
            target = {
                'experiments': 1,
                'shots': max_threads,
                'state_update': 1,
                'total': max_threads
            }
            self.assertEqual(threads, target)

        # Test multiple circuit, no noise
        # Parallel experiments always be 1
        # parallel shots should always be 1
        result = execute(max_threads * [self.dummy_circuit(1)],
                         self.SIMULATOR,
                         shots=10 * max_threads,
                         **opts).result()
        for threads in self.threads_used(result):
            target = {
                'experiments': 1,
                'shots': 1,
                'state_update': max_threads,
                'total': max_threads
            }
            self.assertEqual(threads, target)

        # Test multiple circuits, with noise
        # Parallel experiments should always be 1
        # parallel shots should be greater than 1
        result = execute(max_threads * [self.dummy_circuit(1)],
                         self.SIMULATOR,
                         shots=10 * max_threads,
                         noise_model=self.dummy_noise_model(),
                         **opts).result()
        for threads in self.threads_used(result):
            target = {
                'experiments': 1,
                'shots': max_threads,
                'state_update': 1,
                'total': max_threads
            }
            self.assertEqual(threads, target)

        # Test multiple circuit, with measure in middle, no noise
        # Parallel experiments should always be 1
        # parallel shots should be greater than 1
        result = execute(max_threads * [self.measure_in_middle_circuit(1)],
                         self.SIMULATOR,
                         shots=10 * max_threads,
                         noise_model=self.dummy_noise_model(),
                         **opts).result()
        for threads in self.threads_used(result):
            target = {
                'experiments': 1,
                'shots': max_threads,
                'state_update': 1,
                'total': max_threads
            }
            self.assertEqual(threads, target)

    @requires_omp
    @requires_multiprocessing
    def test_parallel_thread_assignment_priority(self):
        """Test parallel thread assignment priority"""

        # If we set all values to max test output
        # We intentionally set the max shot and experiment threads to
        # twice the max threads to check they are limited correctly
        for custom_max_threads in [0, 1, 2, 4]:
            opts = self.backend_options_parallel()
            opts['max_parallel_threads'] = custom_max_threads
            opts['max_parallel_experiments'] = 2 * custom_max_threads
            opts['max_parallel_shots'] = 2 * custom_max_threads

            # Calculate actual max threads from custom max and CPU number
            max_threads = self.available_threads()
            if custom_max_threads > 0:
                max_threads = min(max_threads, custom_max_threads)

            # Test single circuit, no noise
            # Parallel experiments and shots should always be 1
            result = execute(self.dummy_circuit(1),
                             self.SIMULATOR,
                             shots=10 * max_threads,
                             **opts).result()
            for threads in self.threads_used(result):
                target = {
                    'experiments': 1,
                    'shots': 1,
                    'state_update': max_threads,
                    'total': max_threads
                }
                self.assertEqual(threads, target)

            # Test single circuit, with noise
            # Parallel experiments should always be 1
            # parallel shots should be greater than 1
            result = execute(self.dummy_circuit(1),
                             self.SIMULATOR,
                             shots=10 * max_threads,
                             noise_model=self.dummy_noise_model(),
                             **opts).result()
            for threads in self.threads_used(result):
                target = {
                    'experiments': 1,
                    'shots': max_threads,
                    'state_update': 1,
                    'total': max_threads
                }
                self.assertEqual(threads, target)

            # Test single circuit, with measure in middle, no noise
            # Parallel experiments should always be 1
            # parallel shots should be greater than 1
            result = execute(self.measure_in_middle_circuit(1),
                             self.SIMULATOR,
                             shots=10 * max_threads,
                             **opts).result()
            for threads in self.threads_used(result):
                target = {
                    'experiments': 1,
                    'shots': max_threads,
                    'state_update': 1,
                    'total': max_threads
                }
                self.assertEqual(threads, target)

            # Test multiple circuit, no noise
            # Parallel experiments always be greater than 1
            # parallel shots should always be 1
            result = execute(max_threads * [self.dummy_circuit(1)],
                             self.SIMULATOR,
                             shots=10 * max_threads,
                             **opts).result()
            for threads in self.threads_used(result):
                target = {
                    'experiments': max_threads,
                    'shots': 1,
                    'state_update': 1,
                    'total': max_threads
                }
                self.assertEqual(threads, target)

            # Test multiple circuits, with noise
            # Parallel experiments always be greater than 1
            # parallel shots should always be 1
            result = execute(max_threads * [self.dummy_circuit(1)],
                             self.SIMULATOR,
                             shots=10 * max_threads,
                             noise_model=self.dummy_noise_model(),
                             **opts).result()
            for threads in self.threads_used(result):
                target = {
                    'experiments': max_threads,
                    'shots': 1,
                    'state_update': 1,
                    'total': max_threads
                }
                self.assertEqual(threads, target)

            # Test multiple circuit, with measure in middle, no noise
            # Parallel experiments always be greater than 1
            # parallel shots should always be 1
            result = execute(max_threads * [self.measure_in_middle_circuit(1)],
                             self.SIMULATOR,
                             shots=10 * max_threads,
                             noise_model=self.dummy_noise_model(),
                             **opts).result()
            for threads in self.threads_used(result):
                target = {
                    'experiments': max_threads,
                    'shots': 1,
                    'state_update': 1,
                    'total': max_threads
                }
                self.assertEqual(threads, target)

    @requires_omp
    @requires_multiprocessing
    def test_parallel_experiment_thread_assignment(self):
        """Test parallel experiment thread assignment"""

        max_threads = self.available_threads()
        opts = self.backend_options_parallel(exp_threads=max_threads)

        # Test single circuit
        # Parallel experiments and shots should always be 1
        result = execute(self.dummy_circuit(1),
                         self.SIMULATOR,
                         shots=10 * max_threads,
                         **opts).result()
        for threads in self.threads_used(result):
            target = {
                'experiments': 1,
                'shots': 1,
                'state_update': max_threads,
                'total': max_threads
            }
            self.assertEqual(threads, target)

        # Test multiple circuit, no noise
        # Parallel experiments should take priority
        result = execute(max_threads * [self.dummy_circuit(1)],
                         self.SIMULATOR,
                         shots=10 * max_threads,
                         **opts).result()
        for threads in self.threads_used(result):
            target = {
                'experiments': max_threads,
                'shots': 1,
                'state_update': 1,
                'total': max_threads
            }
            self.assertEqual(threads, target)

        # Test multiple circuits, with noise
        # Parallel experiments should take priority
        result = execute(max_threads * [self.dummy_circuit(1)],
                         self.SIMULATOR,
                         shots=10 * max_threads,
                         noise_model=self.dummy_noise_model(),
                         **opts).result()
        for threads in self.threads_used(result):
            target = {
                'experiments': max_threads,
                'shots': 1,
                'state_update': 1,
                'total': max_threads
            }
            self.assertEqual(threads, target)

        # Test multiple circuit, with measure in middle, no noise
        # Parallel experiments should take priority
        result = execute(max_threads * [self.measure_in_middle_circuit(1)],
                         self.SIMULATOR,
                         shots=10 * max_threads,
                         noise_model=self.dummy_noise_model(),
                         **opts).result()
        for threads in self.threads_used(result):
            target = {
                'experiments': max_threads,
                'shots': 1,
                'state_update': 1,
                'total': max_threads
            }
            self.assertEqual(threads, target)

        # Test multiple circuits, with memory limitation
        # NOTE: this assumes execution on statevector simulator
        # which required approx 2 MB for 16 qubit circuit.
        opts['max_memory_mb'] = 1
        circuit = QuantumVolume(16, 1, seed=0)
        circuit.measure_all()
        result = execute(2 * [circuit],
                         self.SIMULATOR,
                         shots=10 * max_threads,
                         **opts).result()
        for threads in self.threads_used(result):
            target = {
                'experiments': 1,
                'shots': 1,
                'state_update': max_threads,
                'total': max_threads
            }
            self.assertEqual(threads, target)

    @requires_omp
    @requires_multiprocessing
    def test_parallel_shot_thread_assignment(self):
        """Test parallel shot thread assignment"""

        max_threads = self.available_threads()
        opts = self.backend_options_parallel(shot_threads=max_threads)

        # Test single circuit
        # Parallel experiments and shots should always be 1
        result = execute(self.dummy_circuit(1),
                         self.SIMULATOR,
                         shots=10 * max_threads,
                         **opts).result()
        for threads in self.threads_used(result):
            target = {
                'experiments': 1,
                'shots': 1,
                'state_update': max_threads,
                'total': max_threads
            }
            self.assertEqual(threads, target)

        # Test multiple circuit, no noise
        # Parallel experiments and shots should always be 1
        result = execute(max_threads * [self.dummy_circuit(1)],
                         self.SIMULATOR,
                         shots=10 * max_threads,
                         **opts).result()
        for threads in self.threads_used(result):
            target = {
                'experiments': 1,
                'shots': 1,
                'state_update': max_threads,
                'total': max_threads
            }
            self.assertEqual(threads, target)

        # Test multiple circuits, with noise
        # Parallel shots should take priority
        result = execute(max_threads * [self.dummy_circuit(1)],
                         self.SIMULATOR,
                         shots=10 * max_threads,
                         noise_model=self.dummy_noise_model(),
                         **opts).result()
        for threads in self.threads_used(result):
            target = {
                'experiments': 1,
                'shots': max_threads,
                'state_update': 1,
                'total': max_threads
            }
            self.assertEqual(threads, target)

        # Test multiple circuit, with measure in middle, no noise
        # Parallel shots should take priority
        result = execute(max_threads * [self.measure_in_middle_circuit(1)],
                         self.SIMULATOR,
                         shots=10 * max_threads,
                         noise_model=self.dummy_noise_model(),
                         **opts).result()
        for threads in self.threads_used(result):
            target = {
                'experiments': 1,
                'shots': max_threads,
                'state_update': 1,
                'total': max_threads
            }
            self.assertEqual(threads, target)

        # Test multiple circuits, with memory limitation
        # NOTE: this assumes execution on statevector simulator
        # which required approx 2 MB for 16 qubit circuit.
        opts['max_memory_mb'] = 1
        circuit = QuantumVolume(16, 1, seed=0)
        circuit.measure_all()
        result = execute(2 * [circuit],
                         self.SIMULATOR,
                         shots=10 * max_threads,
                         **opts).result()
        for threads in self.threads_used(result):
            target = {
                'experiments': 1,
                'shots': 1,
                'state_update': max_threads,
                'total': max_threads
            }
            self.assertEqual(threads, target)

    @requires_omp
    @requires_multiprocessing
    def _test_qasm_explicit_parallelization(self):
        """test disabling parallel shots because max_parallel_shots is 1"""
        # Test circuit
        shots = multiprocessing.cpu_count()
        circuit = QuantumVolume(16, 1, seed=0)
        circuit.measure_all()

        backend_opts = self.backend_options_parallel(shot_threads=1,
                                                     exp_threads=1)
        backend_opts['noise_model'] = self.dummy_noise_model()
        backend_opts['_parallel_experiments'] = 2
        backend_opts['_parallel_shots'] = 3
        backend_opts['_parallel_state_update'] = 4

        result = execute(circuit, self.SIMULATOR, shots=shots,
                         **backend_opts).result()
        if result.metadata['omp_enabled']:
            self.assertEqual(result.metadata['parallel_experiments'],
                             2,
                             msg="parallel_experiments should be 2")
            self.assertEqual(
                result.to_dict()['results'][0]['metadata']['parallel_shots'],
                3,
                msg="parallel_shots must be 3")
            self.assertEqual(result.to_dict()['results'][0]['metadata']
                             ['parallel_state_update'],
                             4,
                             msg="parallel_state_update should be 4")