qiskit-aer

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### What is the expected behavior? For larger bond dimensions and a larger number of qubits, the implemented smapling algorithm in qiskit is not efficient. It is not necessary to...

smiserman

Improve performance of Stabilizer method

1

### What is the expected behavior? Performance of stabilizer method is not optimized yet. Redesign data structure, multi-threading, and algorithms will be necessary for large-qubit simulation.

hhorii

AerSimulator results show correlation across seed numbers when using reset with the stabilizer method

3

### Informations - **Qiskit Aer version**: 0.12.2 - **Python version**: 3.10.12 - **Operating system**: Linux ### What is the current behavior? When preparing the +X state and then measuring, AerSimulator...

wshanks

### Informations - **Qiskit Aer version**: Qiskit Version: 0.24.1 - **Python version**: Python Version: 3.8.8 - **Operating system**: Windows ### What is the current behavior? I want to execute a...

MehdiEL99

MPI segmentation fault with simple circuit on 1 node

9

### Informations - **Qiskit Aer version**: 0.12.0 - **Python version**: 3.9 - **Operating system**: SUSE Linux Enterprise Server 15 SP1 ### What is the current behavior? We build qiskit-aer with...

mdepasca

Aborted (core dumped) QASM simulator error for extremely high depth circuits with rz gates

3

### Environment - **Qiskit Terra version**: `qiskit-terra==0.25.0` - **Python version**: `Python 3.9.12` - **Operating system**: Linux ### What is happening? For some extremely large (high depth, high gate count) circuits,...

epelofske-LANL

Update the name of the FakeVigo backend in simulators/2_device_noise_simulation.ipynb

2

In **simulators/2_device_noise_simulation.ipynb** tutorial, the `FakeVigo` backend is referred to as `ibmq_vigo` ([here](https://github.com/Qiskit/qiskit-tutorials/blob/master/tutorials/simulators/2_device_noise_simulation.ipynb?short_path=03a7303#L53) and [here](https://github.com/Qiskit/qiskit-tutorials/blob/master/tutorials/simulators/2_device_noise_simulation.ipynb?short_path=03a7303#L124)) however when running `device_backend.backend_name` what is returned is `fake_vigo`. In the code this name is explicitly...

clausia

Readout Error has absolutely no effect

5

### Informations qiskit 0.43.1 pypi_0 pypi qiskit-aer 0.12.1 pypi_0 pypi qiskit-ibm-provider 0.5.2 pypi_0 pypi qiskit-ibm-runtime 0.9.4 pypi_0 pypi qiskit-ibmq-provider 0.20.2 pypi_0 pypi qiskit-terra 0.24.1 pypi_0 pypi - **Python version**: 3.8...

eul94458

Aer stabilizer simulator measurement outcomes depend on whether other measurements are done concurrently for large circuits

3

### Informations - **Qiskit Aer version**: 0.12.2 - **Python version**: 3.9.6 - **Operating system**: - Name of the operating system: posix - Name of the OS system: Darwin - Version...

sam-craig-smith

### Informations - **Qiskit Aer version**: 0.12.1, 0.12.2 - **Python version**: 3.8.16 - **Operating system**: Mac Ventura 13.4.1 (Intel Mac) I tried to execute the following code, segmentation fault occurs....

hitomitak