g1 dZddlmZddlmZddlZddlmZddl m Z ddl m Z ddl mZmZmZmZdd lmZdd lmZdd lmZdd lmZdd lmZGddeZededededededef dZdS)zOAdd single-pulse RX calibrations that are bootstrapped from the SX calibration.)Union) lru_cacheN) Instruction)RXGate) QiskitError)Schedule ScheduleBlockbuilderScalableSymbolicPulse)Channel)Drag)CalibrationBuilder)Target)deprecate_pulse_dependencycteZdZdZe d deffd Zdedede fdZ dedede e e ffd ZxZS) RXCalibrationBuilderaAdd single-pulse RX calibrations that are bootstrapped from the SX calibration. .. note:: Requirement: NormalizeRXAngles pass (one of the optimization passes). It is recommended to place this pass in the post-optimization stage of a passmanager. A simple demo: .. code-block:: python from qiskit.providers.fake_provider import GenericBackendV2 from qiskit.transpiler import PassManager, PassManagerConfig from qiskit.transpiler.preset_passmanagers import level_1_pass_manager from qiskit.circuit import Parameter from qiskit.circuit.library import QuantumVolume from qiskit.circuit.library.standard_gates import RXGate from qiskit.transpiler.passes import RXCalibrationBuilder qv = QuantumVolume(4, 4, seed=1004) # Transpiling with single pulse RX gates enabled backend_with_single_pulse_rx = GenericBackendV2(5) rx_inst_props = {} for i in range(backend_with_single_pulse_rx.num_qubits): rx_inst_props[(i,)] = None backend_with_single_pulse_rx.target.add_instruction(RXGate(Parameter("theta")), rx_inst_props) config_with_rx = PassManagerConfig.from_backend(backend=backend_with_single_pulse_rx) pm_with_rx = level_1_pass_manager(pass_manager_config=config_with_rx) rx_builder = RXCalibrationBuilder(target=backend_with_single_pulse_rx.target) pm_with_rx.post_optimization = PassManager([rx_builder]) transpiled_circ_with_single_pulse_rx = pm_with_rx.run(qv) transpiled_circ_with_single_pulse_rx.count_ops() # Conventional transpilation: each RX gate is decomposed into a sequence with two SX gates original_backend = GenericBackendV2(5) original_config = PassManagerConfig.from_backend(backend=original_backend) original_pm = level_1_pass_manager(pass_manager_config=original_config) original_transpiled_circ = original_pm.run(qv) original_transpiled_circ.count_ops() References * [1]: Gokhale et al. (2020), Optimized Quantum Compilation for Near-Term Algorithms with OpenPulse. `arXiv:2004.11205 ` Ntargetcddlm}t||_i|_||jg|_dS)zBootstrap single-pulse RX gate calibrations from the (hardware-calibrated) SX gate calibration. Args: target (Target): Should contain a SX calibration that will be used for bootstrapping RX calibrations. r)NormalizeRXAngleN)%qiskit.transpiler.passes.optimizationrsuper__init__ralready_generatedrequires)selfrr __class__s e/granary/edev/quantum/lib/python3.11/site-packages/qiskit/transpiler/passes/calibration/rx_builder.pyrzRXCalibrationBuilder.__init__OsX KJJJJJ  !#))$+667 node_opqubitsreturnc(t|to|jdt |ot |jdt |jdkot|jdt |jddjtoF|jdt |jddjj dkS)z[ Check if the calibration for SX gate exists and it's a single DRAG pulse. sxrr ) isinstancerr_has_calibrationtuplelen_get_calibration instructionspulser pulse_type)rrr s r supportedzRXCalibrationBuilder.supportedbs w ' '  ,,T5==AA T[11$f FFSTTXYY  ,,T5==AANqQRSTZ%  ,,T5==AA ! : rc |jd} t|}n"#t$r}td|d}~wwxYw|jdt |jddjj }t||jdt |j d|d|d|d|d  }|S) zV Generate RX calibration for the rotation angle specified in node_op. rz&Target rotation angle is not assigned.Nr#r$durationampsigmabeta)rx_anglechannelr/r0r1r2) paramsfloat TypeErrorrrr)r'r*r+ parameterscopy_create_rx_schedchannels)rrr angleexr5 new_rx_scheds rget_calibrationz$RXCalibrationBuilder.get_calibrationts q! P%LLEE P P PFGGR O P K ( (uV}} = = !  :ddff  (K00uV}}EENqQJ'u /    s >9>)N)__name__ __module__ __qualname____doc__rrrrlistboolr-rrr r? __classcell__)rs@rrrs..` 8888888 8$  d t    ${DU8UbKbEcrrr3r/r0r1r2r4c |tjdz z |z}tj5}tjt ||||d|dddn #1swxYwY|S)zoGenerates (and caches) pulse calibrations for RX gates. Assumes that the rotation angle is in [0, pi]. r)r/r0r1r2r<)r4N)nppir buildplayr )r3r/r0r1r2r4new_ampr>s rr:r:s"%!)$s*G  L (u4q Q Q Q                   s)AA"%A") rCtypingr functoolsrnumpyrIqiskit.circuitr%qiskit.circuit.library.standard_gatesrqiskit.exceptionsr qiskit.pulserr r r qiskit.pulse.channelsr $qiskit.pulse.library.symbolic_pulsesr 1qiskit.transpiler.passes.calibration.base_builderrqiskit.transpiler.targetrqiskit.utils.deprecate_pulserrr6intr:rrr\sVU&&&&&&888888))))))PPPPPPPPPPPP))))))555555PPPPPP++++++CCCCCCppppp-pppf         r