def _optimise(self): #takes the circuit and optimises it before regurgitating it as a series of ProjectQ commands
if self._circuit.n_qubits!=0:
Transform.OptimisePhaseGadgets().apply(self._circuit)
Transform.RebaseToProjectQ().apply(self._circuit)
cmd_list = []
for i in range(self._circuit.n_qubits):
gate = pqo.Allocate
cmd = ProjectQCommand(self.main_engine,gate,gate.make_tuple_of_qureg(self._qubit_dictionary[i]))
cmd_list.append(cmd)
if self._circuit.n_gates==0:
return cmd_list
for command in self._circuit:
cmd = _get_pq_command_from_tk_command(command,self.main_engine,self._qubit_dictionary)
cmd_list.append(cmd)
return cmd_list
def process_circ(self, circ):
num_qubits = circ.n_qubits
if num_qubits == 1 or self.coupling_map == "all-to-all":
coupling_map = None
else:
coupling_map = self.coupling_map
# pre-routing optimise
Transform.OptimisePhaseGadgets().apply(circ)
circlay = list(range(num_qubits))
if coupling_map:
directed_arc = Architecture(coupling_map)
# route_ibm fnction that takes directed Arc, returns dag with cnots etc.
circ, circlay = route(circ,directed_arc)
circ.apply_boundary_map(circlay[0])
# post route optimise
Transform.OptimisePostRouting().apply(circ)
circ.remove_blank_wires()
return circ, circlay