BackendConfiguration

class BackendConfiguration(backend_name, backend_version, n_qubits, basis_gates, gates, local, simulator, conditional, open_pulse, memory, max_shots, coupling_map, max_experiments=None, sample_name=None, n_registers=None, register_map=None, configurable=None, credits_required=None, online_date=None, display_name=None, description=None, tags=None, **kwargs)

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Backwards compat shim representing an abstract backend configuration.

Initialize a QasmBackendConfiguration Object

Parameters

backend_name (str) – The backend name
backend_version (str) – The backend version in the form X.Y.Z
n_qubits (int) – the number of qubits for the backend
basis_gates (list) – The list of strings for the basis gates of the backends
gates (list) – The list of GateConfig objects for the basis gates of the backend
local (bool) – True if the backend is local or False if remote
simulator (bool) – True if the backend is a simulator
conditional (bool) – True if the backend supports conditional operations
open_pulse (bool) – True if the backend supports OpenPulse
memory (bool) – True if the backend supports memory
max_shots (int) – The maximum number of shots allowed on the backend
coupling_map (list) – The coupling map for the device
max_experiments (int) – The maximum number of experiments per job
sample_name (str) – Sample name for the backend
n_registers (int) – Number of register slots available for feedback (if conditional is True)
register_map (list) – An array of dimension n_qubits X n_registers that specifies whether a qubit can store a measurement in a certain register slot.
configurable (bool) – True if the backend is configurable, if the backend is a simulator
credits_required (bool) – True if backend requires credits to run a job.
online_date (datetime) – The date that the device went online
display_name (str) – Alternate name field for the backend
description (str) – A description for the backend
tags (list) – A list of string tags to describe the backend
**kwargs – optional fields

Attributes

num_qubits

Returns the number of qubits.

In future, n_qubits should be replaced in favor of num_qubits for consistent use throughout Qiskit. Until this is properly refactored, this property serves as intermediate solution.

Methods

from_dict

classmethod BackendConfiguration.from_dict(data)

Create a new GateConfig object from a dictionary.

Parameters

data (dict) - A dictionary representing the GateConfig to create. It will be in the same format as output by to_dict() .

Returns

The GateConfig from the input dictionary.

Return type

GateConfig

to_dict

BackendConfiguration.to_dict()

Return a dictionary format representation of the GateConfig.

Returns

The dictionary form of the GateConfig.

Return type

dict

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