C贸digo fuente para qiskit.providers.fake_provider.backends.tokyo.fake_tokyo

# This code is part of Qiskit.
#
# (C) Copyright IBM 2019.
#
# This code is licensed under the Apache License, Version 2.0. You may
# obtain a copy of this license in the LICENSE.txt file in the root directory
# of this source tree or at http://www.apache.org/licenses/LICENSE-2.0.
#
# Any modifications or derivative works of this code must retain this
# copyright notice, and modified files need to carry a notice indicating
# that they have been altered from the originals.

"""
Fake Tokyo device (20 qubit).
"""

import os
import json

from qiskit.providers.models import GateConfig, QasmBackendConfiguration, BackendProperties
from qiskit.providers.fake_provider.fake_backend import FakeBackend


[documentos]class FakeTokyo(FakeBackend): """A fake 20 qubit backend.""" def __init__(self): """ .. code-block:: text 00 鈫 01 鈫 02 鈫 03 鈫 04 鈫 鈫 鈫 鈫 猡 鈫 05 鈫 06 鈫 07 鈫 08 鈫 09 鈫 猡 鈫 鈫 猡 鈫 10 鈫 11 鈫 12 鈫 13 鈫 14 鈫 鈫 猡 鈫 猡 鈫 15 鈫 16 鈫 17 18 19 """ cmap = [ [0, 1], [0, 5], [1, 0], [1, 2], [1, 6], [1, 7], [2, 1], [2, 6], [3, 8], [4, 8], [4, 9], [5, 0], [5, 6], [5, 10], [5, 11], [6, 1], [6, 2], [6, 5], [6, 7], [6, 10], [6, 11], [7, 1], [7, 6], [7, 8], [7, 12], [8, 3], [8, 4], [8, 7], [8, 9], [8, 12], [8, 13], [9, 4], [9, 8], [10, 5], [10, 6], [10, 11], [10, 15], [11, 5], [11, 6], [11, 10], [11, 12], [11, 16], [11, 17], [12, 7], [12, 8], [12, 11], [12, 13], [12, 16], [13, 8], [13, 12], [13, 14], [13, 18], [13, 19], [14, 13], [14, 18], [14, 19], [15, 10], [15, 16], [16, 11], [16, 12], [16, 15], [16, 17], [17, 11], [17, 16], [17, 18], [18, 13], [18, 14], [18, 17], [19, 13], [19, 14], ] configuration = QasmBackendConfiguration( backend_name="fake_tokyo", backend_version="0.0.0", n_qubits=20, basis_gates=["u1", "u2", "u3", "cx", "id"], simulator=False, local=True, conditional=False, open_pulse=False, memory=False, max_shots=65536, max_experiments=900, gates=[GateConfig(name="TODO", parameters=[], qasm_def="TODO")], coupling_map=cmap, ) super().__init__(configuration)
[documentos] def properties(self): """Returns a snapshot of device properties as recorded on 8/30/19.""" dirname = os.path.dirname(__file__) filename = "props_tokyo.json" with open(os.path.join(dirname, filename)) as f_prop: props = json.load(f_prop) return BackendProperties.from_dict(props)