def test_unsupported_gates_errors(): c = models.Circuit(4, {"/GPU:0": 2}) c.add(gates.H(0)) c.add(gates.H(1)) c.queues.qubits = distutils.DistributedQubits([0], c.nqubits) with pytest.raises(ValueError): c.queues.create(c.queue) c = models.Circuit(4, {"/GPU:0": 4}) c.add(gates.SWAP(0, 1)) c.queues.qubits = distutils.DistributedQubits([0, 1], c.nqubits) with pytest.raises(ValueError): c.queues.create(c.queue)
def test_default_initialization(): devices = {"/GPU:0": 2, "/GPU:1": 2} c = models.DistributedCircuit(6, devices) c.queues.qubits = distutils.DistributedQubits(range(c.nglobal), c.nqubits) state = c.get_initial_state() final_state = state.numpy() target_state = np.zeros_like(final_state) target_state[0] = 1 np.testing.assert_allclose(final_state, target_state)
def test_user_initialization(nqubits): import itertools target_state = utils.random_numpy_state(nqubits) devices = {"/GPU:0": 2, "/GPU:1": 2} c = models.DistributedCircuit(nqubits, devices) c.queues.qubits = distutils.DistributedQubits(range(c.nglobal), c.nqubits) state = c.get_initial_state(target_state) np.testing.assert_allclose(state.numpy(), target_state) target_state = target_state.reshape(nqubits * (2, )) for i, s in enumerate(itertools.product([0, 1], repeat=c.nglobal)): piece = state.pieces[i].numpy() target_piece = target_state[s] np.testing.assert_allclose(target_piece.ravel(), piece)
def test_transform_queue_simple(): original_backend = qibo.get_backend() qibo.set_backend("custom") devices = {"/GPU:0": 1, "/GPU:1": 1} c = models.DistributedCircuit(4, devices) c.add((gates.H(i) for i in range(4))) c.queues.qubits = distutils.DistributedQubits([0], c.nqubits) tqueue = c.queues.transform(c.queue) assert len(tqueue) == 6 for i in range(3): assert isinstance(tqueue[i], gates.H) assert tqueue[i].target_qubits == (i + 1, ) assert isinstance(tqueue[3], gates.SWAP) assert tqueue[3].target_qubits == (0, 1) assert isinstance(tqueue[4], gates.H) assert tqueue[4].target_qubits == (1, ) assert isinstance(tqueue[5], gates.SWAP) assert tqueue[5].target_qubits == (0, 1) qibo.set_backend(original_backend)
def test_set_gates_with_global_swap(): devices = {"/GPU:0": 2, "/GPU:1": 2} c = models.DistributedCircuit(6, devices) c.add([gates.H(0), gates.H(2), gates.H(3)]) c.add(gates.SWAP(3, 4)) c.add([gates.X(1), gates.X(2)]) c.queues.qubits = distutils.DistributedQubits([4, 5], c.nqubits) c.queues.create(c.queues.transform(c.queue)) check_device_queues(c.queues) assert len(c.queues.special_queue) == 1 assert len(c.queues.queues) == 3 assert len(c.queues.queues[0]) == 4 assert len(c.queues.queues[1]) == 0 assert len(c.queues.queues[2]) == 4 for device_group in c.queues.queues[0]: assert len(device_group) == 3 for device_group in c.queues.queues[2]: assert len(device_group) == 2
def test_transform_queue_more_gates(): original_backend = qibo.get_backend() qibo.set_backend("custom") devices = {"/GPU:0": 2, "/GPU:1": 2} c = models.DistributedCircuit(4, devices) c.add(gates.H(0)) c.add(gates.H(1)) c.add(gates.CNOT(2, 3)) c.add(gates.CZ(0, 1)) c.add(gates.CNOT(3, 0)) c.add(gates.CNOT(1, 2)) c.queues.qubits = distutils.DistributedQubits([2, 3], c.nqubits) tqueue = c.queues.transform(c.queue) assert len(tqueue) == 10 assert isinstance(tqueue[0], gates.H) assert tqueue[0].target_qubits == (0, ) assert isinstance(tqueue[1], gates.H) assert tqueue[1].target_qubits == (1, ) assert isinstance(tqueue[2], gates.CZ) assert tqueue[2].target_qubits == (1, ) assert isinstance(tqueue[3], gates.SWAP) assert set(tqueue[3].target_qubits) == {1, 3} assert isinstance(tqueue[4], gates.CNOT) assert tqueue[4].target_qubits == (1, ) assert isinstance(tqueue[5], gates.CNOT) assert tqueue[5].target_qubits == (0, ) assert isinstance(tqueue[6], gates.SWAP) assert set(tqueue[6].target_qubits) == {0, 2} assert isinstance(tqueue[7], gates.CNOT) assert tqueue[7].target_qubits == (0, ) assert isinstance(tqueue[8], gates.SWAP) assert set(tqueue[8].target_qubits) == {0, 2} assert isinstance(tqueue[9], gates.SWAP) assert set(tqueue[9].target_qubits) == {1, 3} qibo.set_backend(original_backend)