@isaacdevlugt I am kind of facing a similar issue. How do I know the number of qubits of the circuit? I did a qml.specs() but I am not sure where to see it. Could you please help me?
{'resources': Resources(num_wires=6, num_gates=37, gate_types=defaultdict(<class 'int'>, {'AmplitudeEmbedding': 1, 'RX': 18, 'CNOT': 18}), gate_sizes=defaultdict(<class 'int'>, {6: 1, 1: 18, 2: 18}), depth=22, shots=Shots(total_shots=None, shot_vector=())),
'gate_sizes': defaultdict(int, {6: 1, 1: 18, 2: 18}),
'gate_types': defaultdict(int,
{'AmplitudeEmbedding': 1, 'RX': 18, 'CNOT': 18}),
'num_operations': 37,
'num_observables': 6,
'num_diagonalizing_gates': 0,
'num_used_wires': 6,
'num_trainable_params': 18,
'depth': 22,
'num_device_wires': 6,
'device_name': 'lightning.gpu',
'expansion_strategy': 'gradient',
'gradient_options': {},
'interface': 'auto',
'diff_method': 'best',
'gradient_fn': 'pennylane.gradients.parameter_shift.param_shift',
'num_gradient_executions': 36}