def qpu_compiler(test_device):
try:
config = PyquilConfig()
compiler = QPUCompiler(endpoint=config.compiler_url, device=test_device, timeout=0.5)
compiler.quil_to_native_quil(Program(I(0)))
return compiler
except Exception as e:
return pytest.skip(f"This test requires compiler connection: {e}")
def compiled_parametric_graph_state(compiler: QPUCompiler,
graph: nx.Graph,
focal_node: int,
num_shots: int = 1000):
"""
Construct a program to create and measure a graph state, map it to qubits using ``addressing``,
and compile to an ISA.
Hackily implement a parameterized program by compiling a program with a particular angle,
finding where that angle appears in the results, and replacing it with ``"{angle}"`` so
the resulting compiled program can be run many times by using python's str.format method.
:param graph: A networkx graph defining the graph state
:param focal_node: The node of the graph to measure
:param compiler: The compiler to do the compiling.
:param num_shots: The number of shots to take when measuring the graph state.
:return: an executable that constructs and measures a graph state.
"""
program = create_graph_state(graph)
measure_prog, c_addrs = measure_graph_state(graph, focal_node)
program += measure_prog
program.wrap_in_numshots_loop(num_shots)
nq_program = basic_compile(program)
executable = compiler.native_quil_to_executable(nq_program)
return executable
def test_qpu_run():
config = PyquilConfig()
if config.qpu_url and config.qpu_compiler_url:
g = nx.Graph()
g.add_node(0)
device = NxDevice(g)
qc = QuantumComputer(
name="pyQuil test QC",
qam=QPU(endpoint=config.qpu_url, user="******"),
device=device,
compiler=QPUCompiler(
quilc_endpoint=config.quilc_url,
qpu_compiler_endpoint=config.qpu_compiler_url,
device=device,
),
)
bitstrings = qc.run_and_measure(program=Program(X(0)), trials=1000)
assert bitstrings[0].shape == (1000, )
assert np.mean(bitstrings[0]) > 0.8
bitstrings = qc.run(qc.compile(Program(X(0))))
assert bitstrings.shape == (0, 0)
else:
pytest.skip(
"QPU or compiler-server not available; skipping QPU run test.")
def mock_qpu_compiler(request, m_endpoints, compiler: QVMCompiler):
return QPUCompiler(
quilc_endpoint=compiler.client.endpoint,
qpu_compiler_endpoint=m_endpoints[0],
device=NxDevice(nx.Graph([(0, 1)])),
)
def test_get_version_info(server, mock_compiler: QPUCompiler):
response = mock_compiler.get_version_info()
assert isinstance(response, dict)
assert 'compiler_server' in response
def mock_compiler(request, m_endpoints):
return QPUCompiler(endpoint=m_endpoints[0],
device=NxDevice(nx.Graph([(0, 1)])))
def gate_arithmetic_binaries(qpu_compiler: QPUCompiler):
return [
qpu_compiler.native_quil_to_executable(p)
for p in GATE_ARITHMETIC_PROGRAMS
]
