mirror of https://github.com/Qiskit/qiskit-aer.git
Prepare 0.8 release (#1207)
* Organize 0.8 release notes * Update min terra version * Apply suggestions from code review * Fix reno syntax issue * Move release notes to a a 0.8 directory Co-authored-by: Matthew Treinish <mtreinish@kortar.org>
This commit is contained in:
Christopher J. Wood
GitHub
parent
bd91677ec3
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---
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prelude: |
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The 0.8 release includes several new features and bug fixes. The
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highlights for this release are: the introduction of a unified
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:class:`~qiskit.provider.aer.AerSimulator` backend for running circuit
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simulations using any of the supported simulation methods; a simulator
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instruction library (:mod:`~qiskit.providers.aer.library`)
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which includes custom instructions for saving various kinds of simulator
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data; MPI support for running large simulations on a distributed
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computing environment.
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features:
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- |
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This release includes support for building qiskit-aer with MPI support to
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run large simulations on a distributed computing environment. See the
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`contributing guide <https://github.com/Qiskit/qiskit-aer/blob/master/CONTRIBUTING.md#building-with-mpi-support>`__
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for instructions on building and running in an MPI environment.
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- |
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It is now possible to build qiskit-aer with CUDA enabled in Windows.
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See the
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`contributing guide <https://github.com/Qiskit/qiskit-aer/blob/master/CONTRIBUTING.md#building-with-gpu-support>`__
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for instructions on building from source with GPU support.
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- |
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When building the qiskit-aer Python extension from source several build
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dependencies need to be pre-installed to enable C++ compilation. As a
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user convenience when building the extension any of these build
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dependencies which were missing would be automatically installed using
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``pip`` prior to the normal ``setuptools`` installation steps, however it was
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previously was not possible to avoid this automatic installation. To solve
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this issue a new environment variable ``DISABLE_DEPENDENCY_INSTALL``
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has been added. If it is set to ``1`` or ``ON`` when building the python
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extension from source this will disable the automatic installation of these
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missing build dependencies.
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- |
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Adds support for optimized N-qubit Pauli gate (
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:class:`qiskit.circuit.library.generalized_gates.PauliGate`) to the
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:class:`~qiskit.providers.aer.StatevectorSimulator`,
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:class:`~qiskit.providers.aer.UnitarySimulator`, and the
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statevector and density matrix methods of the
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:class:`~qiskit.providers.aer.QasmSimulator`.
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upgrade:
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- |
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The minimum version of `Conan <https://conan.io/>`__ has been increased to 1.31.2.
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This was necessary to fix a compatibility issue with newer versions of the
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`urllib3 <https://pypi.org/project/urllib3/>`__ (which is a dependency of Conan).
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It also adds native support for AppleClang 12 which is useful for users with
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new Apple computers.
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- |
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``pybind11`` minimum version required is 2.6 instead of 2.4. This is needed
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in order to support CUDA enabled compilation in Windows.
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- |
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Cython has been removed as a build dependency.
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- |
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Removed x90 gate decomposition from noise models that was deprecated
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in qiskit-aer 0.7. This decomposition is now done by using regular
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noise model basis gates and the qiskit transpiler.
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fixes:
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- |
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Fixes bug with the :meth:`~qiskit.providers.aer.QasmSimulator.from_backend`
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method of the :class:`~qiskit.provider.aer.QasmSimulator` that would set the
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``local`` attribute of the configuration to the backend value rather than
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always being set to ``True``.
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- |
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Fixes bug in
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:meth:`~qiskit.providers.aer.noise.NoiseModel.from_backend` and
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:meth:`~qiskit.providers.aer.QasmSimulator.from_backend` where
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:attr:`~qiskit.providers.aer.noise.NoiseModel.basis_gates` was set
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incorrectly for IBMQ devices with basis gate set
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``['id', 'rz', 'sx', 'x', 'cx']``. Now the noise model will always
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have the same basis gates as the backend basis gates regardless of
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whether those instructions have errors in the noise model or not.
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@ -1,7 +1,8 @@
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---
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features:
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- |
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The :meth:`~qiskit.providers.aer.QasmSimulator.run` method for the
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The :meth:`~qiskit.providers.aer.AerSimulator.run` method for the
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:class:`~qiskit.providers.aer.AerSimulator`,
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:class:`~qiskit.providers.aer.QasmSimulator`,
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:class:`~qiskit.providers.aer.StatevectorSimulator`, and
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:class:`~qiskit.providers.aer.UnitarySimulator` backends now takes a
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@ -16,7 +17,7 @@ features:
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from qiskit.providers.aer import Aer
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backend = Aer.get_backend('qasm_simulator')
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backend = Aer.get_backend('aer_simulator')
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circuit = QuantumCircuit(2)
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qc.h(0)
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@ -0,0 +1,81 @@
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---
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features:
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- |
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Adds the new :class:`~qiskit.provider.aer.AerSimulator` simulator backend
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supporting the following simulation methods
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* `automatic`
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* `statevector`
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* `stabilizer`
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* `density_matrix`
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* `matrix_product_state`
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* `unitary`
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* `superop`
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The default `automatic` method will automatically choose a simulation
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method separately for each run circuit based on the circuit instructions
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and noise model (if any). Initializing a simulator with a specific
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method can be done using the `method` option.
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.. code::python
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from qiskit.providers.aer import AerSimulator
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# Create a MPS simulator backend
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backend = AerSimulator(method='matrix_product_state')
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GPU simulation for the statevector, density matrix and unitary methods
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can be enabled by setting the `device='GPU'` backend option.
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.. code::python
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from qiskit.providers.aer import AerSimulator
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# Create a GPU statevector backend
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backend = AerSimulator(method='statevector', device='GPU')
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Note that the `unitary` and `superop` methods do not support measurement
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as they simulate the unitary matrix or superopator matrix of the run
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circuit so one of the new :func:`~qiskit.provider.aer.library.save_unitary`,
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:func:`~qiskit.provider.aer.library.save_superop`, or
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:func:`~qiskit.provider.aer.library.save_state` instructions must
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be used to save the simulator state to the returned results. Similarly
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state of the other simulations methods can be saved using the
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appropriate instructions. See the :mod:`qiskit.provider.aer.library`
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API documents for more details.
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Note that the :class:`~qiskit.provider.aer.AerSimulator` simulator
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superceds the :class:`~qiskit.provider.aer.QasmSimulator`,
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:class:`~qiskit.provider.aer.StatevectorSimulator`, and
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:class:`~qiskit.provider.aer.UnitarySimulator` backends which will
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be deprecated in a future release.
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- |
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Updates the :class:`~qiskit.providers.aer.AerProvider` class to include
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multiple :class:`~qiskit.provider.aer.AerSimulator` backends preconfigured
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for all available simulation methods and simulation devices. The new
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backends can be accessed through the provider interface using the names
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* `"aer_simulator"`
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* `"aer_simulator_statevector"`
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* `"aer_simulator_stabilizer"`
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* `"aer_simulator_density_matrix"`
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* `"aer_simulator_matrix_product_state"`
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* `"aer_simulator_extended_stabilizer"`
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* `"aer_simulator_unitary"`
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* `"aer_simulator_superop"`
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Additional if Aer was installed with GPU support on a compatible system
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the following GPU backends will also be available
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* `"aer_simulator_statevector_gpu"`
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* `"aer_simulator_density_matrix_gpu"`
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* `"aer_simulator_unitary_gpu"`
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Example
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.. code::python
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from qiskit import Aer
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# Get the GPU statevector simulator backend
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backend = Aer.get_backend('aer_simulator_statevector_gpu')
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---
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features:
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- |
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Introduce a new method for performing measurements with the Extended
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Stabilizer simulator, called Norm Estimation. This method can be used by passing
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the following options to the ``QasmSimulator`` provider::
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Added a new ``norm estimation`` method for performing measurements when using
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the `"extended_stabilizer"` simulation method. This norm estimation method
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can be used by passing the following options to the
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:class:`~qiskit.providers.aer.AerSimulator` and
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:class:`~qiskit.providers.aer.QasmSimulator` backends
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.. code::python
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simulator = QasmSimulator(
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method='extended_stabilizer,
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extended_stabilizer_sampling_method="norm_estimation"
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)
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method='extended_stabilizer',
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extended_stabilizer_sampling_method='norm_estimation')
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The norm estimation method is slower than the alternative `metropolis`
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or `resampled_metropolis` options, but gives better performance on circuits
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with sparse output distributions. See the documentation of the ``QasmSimulator``
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provider for more information.
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with sparse output distributions. See the documentation of the
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:class:`~qiskit.providers.aer.QasmSimulator` for more information.
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fixes:
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- |
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Fixes an issue where the Extended Stabilizer simulator would give incorrect
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results on quantum circuits with sparse output distributions. Refer to
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`#306 <https://github.com/Qiskit/qiskit-aer/issues/306>` for more information
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and examples.
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Fixes an issue where the Extended `"extended_stabilizer"` simulation method
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would give incorrect results on quantum circuits with sparse output
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distributions. Refer to
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`#306 <https://github.com/Qiskit/qiskit-aer/issues/306>` for more
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information and examples.
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upgrade:
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- |
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The following options for the Extended Stabilizer simulator have changed.
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The following options for the `"extended_stabilizer"` simulation method
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have changed.
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+ ``extended_stabilizer_measure_sampling``: This option has been replaced
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by the options ``extended_stabilizer_sampling_method``, which controls
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@ -24,6 +24,12 @@ features:
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See the :mod:`qiskit.providers.aer.library` API documentation
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for details on method compatibility for each instruction.
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Note that the snapshot instructions
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:class:`~qiskit.providers.aer.extensions.SnapshotStatevector`,
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:class:`~qiskit.providers.aer.extensions.SnapshotDensityMatrix`,
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:class:`~qiskit.providers.aer.extensions.SnapshotStabilizer` are
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still supported but will be deprecated in a future release.
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- |
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Adds :class:`qiskit.providers.aer.library.SaveExpectationValue` and
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:class:`qiskit.providers.aer.library.SaveExpectationValueVariance`
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@ -35,6 +41,10 @@ features:
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:class:`~qiskit.providers.aer.library.save_expectation_value` and
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:class:`~qiskit.providers.aer.library.save_expectation_value_variance`
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circuit methods which is added to ``QuantumCircuit`` when importing Aer.
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Note that the snapshot instruction
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:class:`~qiskit.providers.aer.extensions.SnapshotExpectationValue`,
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is still supported but will be deprecated in a future release.
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- |
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Adds :class:`qiskit.providers.aer.library.SaveProbabilities` and
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:class:`qiskit.providers.aer.library.SaveProbabilitiesDict` quantum
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@ -44,6 +54,10 @@ features:
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:class:`~qiskit.providers.aer.library.save_probabilities` and
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:class:`~qiskit.providers.aer.library.save_probabilities_dict` circuit
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methods which is added to ``QuantumCircuit`` when importing Aer.
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Note that the snapshot instruction
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:class:`~qiskit.providers.aer.extensions.SnapshotProbabilities`,
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is still supported but will be deprecated in a future release.
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- |
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Adds :class:`qiskit.providers.aer.library.SaveAmplitudes` and
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:class:`qiskit.providers.aer.library.SaveAmplitudesSquared`
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@ -53,3 +67,23 @@ features:
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:class:`~qiskit.providers.aer.library.save_amplitudes` and
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:class:`~qiskit.providers.aer.library.save_amplitudes_squared`circuit
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methods which is added to ``QuantumCircuit`` when importing Aer.
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- |
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Adds instructions for setting the state of the simulators. These
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instructions must be defined on the full number of qubits in the circuit.
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They can be applied at any point in a circuit and will override the
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simulator state with the one specified. Added instructions are
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* :class:`qiskit.providers.aer.library.SetDensityMatrix`
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* :class:`qiskit.providers.aer.library.SetStabilizer`
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* :class:`qiskit.providers.aer.library.SetStatevector`
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* :class:`qiskit.providers.aer.library.SetUnitary`
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These instruction can be appended to a quantum circuit by using the
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:class:`~qiskit.providers.aer.library.set_density_matrix`,
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:class:`~qiskit.providers.aer.library.set_stabilizer`,
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:class:`~qiskit.providers.aer.library.set_statevector`,
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:class:`~qiskit.providers.aer.library.set_unitary`
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circuit methods which are added to ``QuantumCircuit`` when importing Aer.
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See the :mod:`qiskit.providers.aer.library` API documentation
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for details on method compatibility for each instruction.
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---
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features:
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- |
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Added support for diagonal gates to the `"matrix_product_state"` simulation
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method.
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- |
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Added support for the ``initialize`` instruction to the
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`"matrix_product_state"` simulation method.
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issues:
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- |
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There is a known issue where the simulation of certain circuits with a Kraus
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noise model using the `"matrix_product_state"` simulation method can cause
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the simulator to crash. Refer to
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`#306 <https://github.com/Qiskit/qiskit-aer/issues/1184>` for more
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information.
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|
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@ -1,8 +0,0 @@
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---
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features:
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- |
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It is now possible to build AER with CUDA enabled in Windows.
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upgrade:
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- |
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``pybind11`` minimum version required is 2.6 instead of 2.4. This is needed
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in order to support CUDA enabled compilation in Windows.
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|
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@ -1,6 +0,0 @@
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---
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features:
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- |
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Some *Python* packages needed at C++ compilaton step were installed outside the regular *setuptools* circuit,
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and it was not possible to avoid their installation by any option. Now it is possible to avoid automatic
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installation of those packages by setting the environment variable *DISABLE_DEPENDENCY_INSTALL* to *1* or *ON*.
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|
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@ -1,6 +0,0 @@
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---
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fixes:
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- |
|
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Fixes bug where creating a simulator from a backend would set the
|
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``local`` attribute of the configuration to the backend value
|
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(typically ``False``) rather than always being set to ``True``.
|
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|
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@ -1,4 +0,0 @@
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---
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upgrade:
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- |
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Code that dependes on Aer has been removed, so Cython is no longer a dependency.
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|
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@ -1,8 +0,0 @@
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---
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features:
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- |
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Added support for MPS::apply_diagonal_matrix.
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|
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@ -1,11 +0,0 @@
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---
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fixes:
|
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- |
|
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Fixes bug in
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:meth:`~qiskit.providers.aer.noise.NoiseModel.from_backend` and
|
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:meth:`~qiskit.providers.aer.QasmSimulator.from_backend` where
|
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:attr:`~qiskit.providers.aer.noise.NoiseModel.basis_gates` was set
|
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incorrectly for IBMQ devices with basis gate set
|
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``['id', 'rz', 'sx', 'x', 'cx']``. Now the noise model will always
|
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have the same basis gates as the backend basis gates regardless of
|
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whether those instructions have errors in the noise model or not.
|
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|
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@ -1,6 +0,0 @@
|
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---
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|
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features:
|
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- |
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Added support for `initialize` in the MPS simulation method.
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|
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|
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@ -1,7 +0,0 @@
|
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---
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|
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fixes:
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- |
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Fixed bug in MPS with Kraus noise. Failure was detected in QFT.
|
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|
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|
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|
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@ -1,10 +0,0 @@
|
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---
|
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|
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features:
|
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- |
|
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Adds support for optimized N-qubit Pauli gate (
|
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:class:`qiskit.circuit.library.generalized_gates.PauliGate`) to the
|
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:class:`~qiskit.providers.aer.StatevectorSimulator`,
|
||||
:class:`~qiskit.providers.aer.UnitarySimulator`, and the
|
||||
statevector and density matrix methods of the
|
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:class:`~qiskit.providers.aer.QasmSimulator`.
|
||||
|
|
@ -1,6 +0,0 @@
|
|||
---
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upgrade:
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- |
|
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Removed x90 gate decomposition from noise models that was deprecated
|
||||
in qiskit-aer 0.7. This decomposition is now done by using regular
|
||||
noise model basis gates and the qiskit transpiler.
|
||||
|
|
@ -1,22 +0,0 @@
|
|||
---
|
||||
features:
|
||||
- |
|
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Adds instructions for setting the state of the simulators. These
|
||||
instructions must be defined on the full number of qubits in the circuit.
|
||||
They can be applied at any point in a circuit and will override the
|
||||
simulator state with the one specified. Added instructions are
|
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|
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* :class:`qiskit.providers.aer.library.SetDensityMatrix`
|
||||
* :class:`qiskit.providers.aer.library.SetStabilizer`
|
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* :class:`qiskit.providers.aer.library.SetStatevector`
|
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* :class:`qiskit.providers.aer.library.SetUnitary`
|
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|
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These instruction can be appended to a quantum circuit by using the
|
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:class:`~qiskit.providers.aer.library.set_density_matrix`,
|
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:class:`~qiskit.providers.aer.library.set_stabilizer`,
|
||||
:class:`~qiskit.providers.aer.library.set_statevector`,
|
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:class:`~qiskit.providers.aer.library.set_unitary`
|
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circuit methods which are added to ``QuantumCircuit`` when importing Aer.
|
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|
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See the :mod:`qiskit.providers.aer.library` API documentation
|
||||
for details on method compatibility for each instruction.
|
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|
|
@ -1,7 +0,0 @@
|
|||
---
|
||||
upgrade:
|
||||
- |
|
||||
The minimum version of `Conan <https://conan.io/>`__ has been increased to 1.31.2. This was necessary
|
||||
to fix a compatibility issue with newer versions of the `urllib3 <https://pypi.org/project/urllib3/>`__ (which
|
||||
is a dependency of Conan). It also adds native support for AppleClang 12 which is useful for users with
|
||||
new Apple computers.
|
||||
2
setup.py
2
setup.py
|
|
@ -82,7 +82,7 @@ setup_requirements = common_requirements + [
|
|||
if not _DISABLE_CONAN:
|
||||
setup_requirements.append('conan>=1.22.2')
|
||||
|
||||
requirements = common_requirements + ['qiskit-terra>=0.16.0']
|
||||
requirements = common_requirements + ['qiskit-terra>=0.17.0']
|
||||
|
||||
if not hasattr(setuptools,
|
||||
'find_namespace_packages') or not inspect.ismethod(
|
||||
|
|
|
|||
Loading…
Reference in New Issue