70 lines
4.2 KiB
Plaintext
70 lines
4.2 KiB
Plaintext
---
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title: QasmQobjConfig
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description: API reference for qiskit.qobj.QasmQobjConfig
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in_page_toc_min_heading_level: 1
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python_api_type: class
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python_api_name: qiskit.qobj.QasmQobjConfig
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---
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# QasmQobjConfig
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<Class id="qiskit.qobj.QasmQobjConfig" isDedicatedPage={true} github="https://github.com/qiskit/qiskit/tree/stable/0.25/qiskit/qobj/qasm_qobj.py" signature="qiskit.qobj.QasmQobjConfig(shots=None, seed_simulator=None, memory=None, parameter_binds=None, meas_level=None, meas_return=None, memory_slots=None, n_qubits=None, pulse_library=None, calibrations=None, rep_delay=None, qubit_lo_freq=None, meas_lo_freq=None, **kwargs)" modifiers="class">
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Bases: [`SimpleNamespace`](https://docs.python.org/3/library/types.html#types.SimpleNamespace "(in Python v3.12)")
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A configuration for an OpenQASM 2 Qobj.
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Model for RunConfig.
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**Parameters**
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* **shots** ([*int*](https://docs.python.org/3/library/functions.html#int "(in Python v3.12)")) – the number of shots.
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* **seed\_simulator** ([*int*](https://docs.python.org/3/library/functions.html#int "(in Python v3.12)")) – the seed to use in the simulator
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* **memory** ([*bool*](https://docs.python.org/3/library/functions.html#bool "(in Python v3.12)")) – whether to request memory from backend (per-shot readouts)
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* **parameter\_binds** ([*list*](https://docs.python.org/3/library/stdtypes.html#list "(in Python v3.12)")*\[*[*dict*](https://docs.python.org/3/library/stdtypes.html#dict "(in Python v3.12)")*]*) – List of parameter bindings
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* **meas\_level** ([*int*](https://docs.python.org/3/library/functions.html#int "(in Python v3.12)")) – Measurement level 0, 1, or 2
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* **meas\_return** ([*str*](https://docs.python.org/3/library/stdtypes.html#str "(in Python v3.12)")) – For measurement level \< 2, whether single or avg shots are returned
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* **memory\_slots** ([*int*](https://docs.python.org/3/library/functions.html#int "(in Python v3.12)")) – The number of memory slots on the device
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* **n\_qubits** ([*int*](https://docs.python.org/3/library/functions.html#int "(in Python v3.12)")) – The number of qubits on the device
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* **pulse\_library** ([*list*](https://docs.python.org/3/library/stdtypes.html#list "(in Python v3.12)")) – List of [`PulseLibraryItem`](qiskit.qobj.PulseLibraryItem "qiskit.qobj.PulseLibraryItem").
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* **calibrations** ([*QasmExperimentCalibrations*](qiskit.qobj.QasmExperimentCalibrations "qiskit.qobj.QasmExperimentCalibrations")) – Information required for Pulse gates.
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* **rep\_delay** ([*float*](https://docs.python.org/3/library/functions.html#float "(in Python v3.12)")) – Delay between programs in sec. Only supported on certain backends (`backend.configuration().dynamic_reprate_enabled` ). Must be from the range supplied by the backend (`backend.configuration().rep_delay_range`). Default is `backend.configuration().default_rep_delay`.
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* **qubit\_lo\_freq** ([*list*](https://docs.python.org/3/library/stdtypes.html#list "(in Python v3.12)")) – List of frequencies (as floats) for the qubit driver LO’s in GHz.
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* **meas\_lo\_freq** ([*list*](https://docs.python.org/3/library/stdtypes.html#list "(in Python v3.12)")) – List of frequencies (as floats) for the measurement driver LO’s in GHz.
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* **kwargs** – Additional free form key value fields to add to the configuration.
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## Methods
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### from\_dict
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<Function id="qiskit.qobj.QasmQobjConfig.from_dict" signature="from_dict(data)" modifiers="classmethod">
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Create a new QasmQobjConfig object from a dictionary.
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**Parameters**
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**data** ([*dict*](https://docs.python.org/3/library/stdtypes.html#dict "(in Python v3.12)")) – A dictionary for the config
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**Returns**
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The object from the input dictionary.
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**Return type**
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[QasmQobjConfig](#qiskit.qobj.QasmQobjConfig "qiskit.qobj.QasmQobjConfig")
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</Function>
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### to\_dict
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<Function id="qiskit.qobj.QasmQobjConfig.to_dict" signature="to_dict()">
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Return a dictionary format representation of the OpenQASM 2 Qobj config.
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**Returns**
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The dictionary form of the QasmQobjConfig.
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**Return type**
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[dict](https://docs.python.org/3/library/stdtypes.html#dict "(in Python v3.12)")
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</Function>
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</Class>
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