def test_compiling_twice_exception(backend):
"""Check that compiling a circuit a second time raises error."""
c = Circuit(2)
c.add([gates.H(0), gates.H(1)])
c.compile()
with pytest.raises(RuntimeError):
c.compile()
def test_compiled_circuit(backend):
"""Check that compiling with `Circuit.compile` does not break results."""
original_backend = qibo.get_backend()
qibo.set_backend(backend)
def create_circuit(theta = 0.1234):
c = Circuit(2)
c.add(gates.X(0))
c.add(gates.X(1))
c.add(gates.CZPow(0, 1, theta))
return c
# Try to compile circuit without gates
empty_c = Circuit(2)
with pytest.raises(RuntimeError):
empty_c.compile()
# Run eager circuit
c1 = create_circuit()
r1 = c1.execute().numpy()
# Run compiled circuit
c2 = create_circuit()
if backend == "custom":
with pytest.raises(RuntimeError):
c2.compile()
else:
c2.compile()
r2 = c2.execute().numpy()
init_state = c2._default_initial_state()
r3, _ = c2._execute_for_compile(init_state.numpy().reshape((2, 2)))
r3 = r3.numpy().ravel()
np.testing.assert_allclose(r1, r2)
np.testing.assert_allclose(r1, r3)
qibo.set_backend(original_backend)
def test_compiled_execute(backend):
original_backend = qibo.get_backend()
qibo.set_backend(backend)
def create_circuit(theta=0.1234):
c = Circuit(2)
c.add(gates.X(0))
c.add(gates.X(1))
c.add(gates.CU1(0, 1, theta))
return c
# Try to compile circuit without gates
empty_c = Circuit(2)
with pytest.raises(RuntimeError):
empty_c.compile()
# Run eager circuit
c1 = create_circuit()
r1 = c1.execute()
# Run compiled circuit
c2 = create_circuit()
if backend == "custom":
with pytest.raises(RuntimeError):
c2.compile()
else:
c2.compile()
r2 = c2()
init_state = c2.get_initial_state()
r3, _ = c2._execute_for_compile(np.reshape(init_state, (2, 2)))
r3 = np.reshape(r3, (4, ))
np.testing.assert_allclose(r1, r2)
np.testing.assert_allclose(r1, r3)
qibo.set_backend(original_backend)
def test_compiling_twice_exception():
"""Check that compiling a circuit a second time raises error."""
original_backend = qibo.get_backend()
qibo.set_backend("matmuleinsum")
c = Circuit(2)
c.add([gates.H(0), gates.H(1)])
c.compile()
with pytest.raises(RuntimeError):
c.compile()
qibo.set_backend(original_backend)
def test_entropy_in_compiled_circuit(backend):
"""Check that entropy calculation works when circuit is compiled."""
from qibo import get_backend
entropy = callbacks.EntanglementEntropy([0])
c = Circuit(2)
c.add(gates.CallbackGate(entropy))
c.add(gates.H(0))
c.add(gates.CallbackGate(entropy))
c.add(gates.CNOT(0, 1))
c.add(gates.CallbackGate(entropy))
c.compile()
final_state = c()
K.assert_allclose(entropy[:], [0, 0, 1.0], atol=_atol)
def test_entropy_in_compiled_circuit():
"""Check that entropy calculation works when circuit is compiled."""
import qibo
original_backend = qibo.get_backend()
qibo.set_backend("matmuleinsum")
entropy = callbacks.EntanglementEntropy([0])
c = Circuit(2)
c.add(gates.CallbackGate(entropy))
c.add(gates.H(0))
c.add(gates.CallbackGate(entropy))
c.add(gates.CNOT(0, 1))
c.add(gates.CallbackGate(entropy))
c.compile()
state = c()
qibo.set_backend("custom")
target = [0, 0, 1.0]
np.testing.assert_allclose(entropy[:].numpy(), target, atol=_atol)
qibo.set_backend(original_backend)
def test_entropy_in_compiled_circuit(backend):
"""Check that entropy calculation works when circuit is compiled."""
original_backend = qibo.get_backend()
qibo.set_backend(backend)
entropy = callbacks.EntanglementEntropy([0])
c = Circuit(2)
c.add(gates.CallbackGate(entropy))
c.add(gates.H(0))
c.add(gates.CallbackGate(entropy))
c.add(gates.CNOT(0, 1))
c.add(gates.CallbackGate(entropy))
if backend == "custom":
with pytest.raises(RuntimeError):
c.compile()
else:
c.compile()
final_state = c()
np.testing.assert_allclose(entropy[:], [0, 0, 1.0], atol=_atol)
qibo.set_backend(original_backend)
def test_compiled_execute(backend):
def create_circuit(theta = 0.1234):
c = Circuit(2)
c.add(gates.X(0))
c.add(gates.X(1))
c.add(gates.CU1(0, 1, theta))
return c
# Try to compile circuit without gates
empty_c = Circuit(2)
with pytest.raises(RuntimeError):
empty_c.compile()
# Run eager circuit
c1 = create_circuit()
r1 = c1.execute()
# Run compiled circuit
c2 = create_circuit()
c2.compile()
r2 = c2()
init_state = c2.get_initial_state()
np.testing.assert_allclose(r1, r2)
