def test_qvm_run_no_measure(forest: ForestConnection):
qvm = QVM(connection=forest)
p = Program(X(0))
nq = PyQuilExecutableResponse(program=p.out(), attributes={"num_shots": 100})
qvm.load(nq).run().wait()
bitstrings = qvm.read_memory(region_name="ro")
assert bitstrings.shape == (100, 0)
def test_qvm_run_region_not_declared_is_measured_ro(forest: ForestConnection):
qvm = QVM(connection=forest)
p = Program(X(0), MEASURE(0, MemoryReference("ro")))
nq = PyQuilExecutableResponse(program=p.out(), attributes={"num_shots": 100})
qvm.load(nq).run().wait()
bitstrings = qvm.read_memory(region_name="ro")
assert bitstrings.shape == (100, 1)
def test_qvm_run_just_program(forest: ForestConnection):
qvm = QVM(connection=forest, gate_noise=[0.01] * 3)
p = Program(Declare("ro", "BIT"), X(0), MEASURE(0, MemoryReference("ro")))
p.wrap_in_numshots_loop(1000)
qvm.load(p)
qvm.run()
qvm.wait()
bitstrings = qvm.read_memory(region_name="ro")
assert bitstrings.shape == (1000, 1)
assert np.mean(bitstrings) > 0.8
def test_qvm_run_pqer(forest: ForestConnection):
qvm = QVM(connection=forest, gate_noise=[0.01] * 3)
p = Program(Declare("ro", "BIT"), X(0), MEASURE(0, MemoryReference("ro")))
p.wrap_in_numshots_loop(1000)
nq = PyQuilExecutableResponse(program=p.out(), attributes={"num_shots": 1000})
qvm.load(nq)
qvm.run()
qvm.wait()
bitstrings = qvm.read_memory(region_name="ro")
assert bitstrings.shape == (1000, 1)
assert np.mean(bitstrings) > 0.8
def test_qvm_run_only_pqer(forest: ForestConnection):
qvm = QVM(connection=forest, gate_noise=[0.01] * 3, requires_executable=True)
p = Program(Declare("ro", "BIT"), X(0), MEASURE(0, MemoryReference("ro")))
p.wrap_in_numshots_loop(1000)
with pytest.raises(TypeError) as e:
qvm.load(p)
qvm.run()
qvm.wait()
assert e.match(r".*Make sure you have explicitly compiled your program.*")
nq = PyQuilExecutableResponse(program=p.out(), attributes={"num_shots": 1000})
qvm.load(nq)
qvm.run()
qvm.wait()
bitstrings = qvm.read_memory(region_name="ro")
assert bitstrings.shape == (1000, 1)
assert np.mean(bitstrings) > 0.8
def test_qvm_run_region_not_declared_not_measured_non_ro(forest: ForestConnection):
qvm = QVM(connection=forest)
p = Program(X(0))
nq = PyQuilExecutableResponse(program=p.out(), attributes={"num_shots": 100})
qvm.load(nq).run().wait()
assert qvm.read_memory(region_name="reg") is None
