Questions tagged [qiskit-runtime]
Question about the Qiskit Runtime architecture that streamlines quantum computations. The service is designed to use classical compute resources to execute quantum circuits with more efficiency on quantum processors.
120 questions
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Can multiple quantum programs run simultaneously on a real quantum computer?
Quantum cloud platforms often receive numerous job submissions from users around the world. If multiple jobs request execution on the same real quantum device, is it possible for these quantum ...
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Qiskit simulation error - circuit requires more memory than max_memory_mb
I'm trying to run a simple quantum circuit on FakeMarrakesh using Qiskit, but I'm encountering a QiskitError related to memory ...
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primitive job failure when running AdaptVQE on qiskit aer and runtime
Environment
Qiskit version: 1.3.2
qiskit_algorithms version: 0.3.1
qiskit_aer version: 0.16.0
Python version: 3.12.4
Operating system: MacOS/ Linux Mint
What is happening?
As the title says. I have ...
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How to Retrieve the Executed Quantum Circuit from a Job ID in Qiskit?
I have executed a quantum circuit on an IBM Quantum backend using Qiskit, and I have the job_id. Now, I would like to retrieve the executed circuit from that job. ...
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Alternative way to do pulse level control on IBM Quantum's devices
I used this code to execute pulse-level control on IBM Quantum's QPU, but it is not supported now (2025 Feb 18). What I did was more complex. This is just a minimal example code for reproducing the ...
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Trying to run VQE on Qiskit runtime to calculate $H_2$ molecule
I want to calculate H$_2$ molecule using VQE on Qiskit runtime. I am using the Qiskit Nature modules. I am running it using the following versions:
qiskit==1.3.2
qiskit_nature==0.7.2
qiskit_algorithms=...
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Trouble Initializing Sampler in Qiskit 1.3.2
I'm currently working with Qiskit version 1.3.2 and I'm encountering several issues when trying to initialize and use the Sampler class for quantum optimization with QAOA. Here's a summary of my ...
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Error: The number of qubits of the ansatz does not match the operator
I am trying to generate the ground state energy (and corresponding plot) of a Hamiltonian in IBM quantum hardware using QiskitRuntime as:
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Getting combined counts when using qiskit_ibm_runtime.SamplerV2
Earlier it was very easy and straightforward to get counts for all classical registers using just one line of code:
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Trying to run a VQE problem on Qiskit runtime
I am trying to find the ground state of a LiH molecule using qiskit runtime instead of the Estimator primitive. I am basically using the exact code given in the documentation here as a trial. But ...
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Are there any limit in the number of mid-circuit measurements when running a circuit on IBM QPU?
I am struggling to run circuits on IBM quantum hardware. Is it possible that my circuit is overcoming some limits in the number of mid-circuit measurements per qubit? Actually, I am asking for ...
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Fake Backend, real backend vs aer simulator results
I initialised a circuit that creates a random state and then performed some calculations.
I dont change the state and perform repeated calculations using that state. I get a singular value around 0.25 ...
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How to get historical calibration data for mthree (M3) from IBM Quantum devices?
I'm using mthree in Batch mode. A batch needs to be queued before it can be executed. The time when a batch was executed can be obtained from the IBM Quantum Platform site, so I would like to obtain ...
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Evaluating expectation values of operators using StateVector and MPS in Qiskit 1.0
Assume one has a QuantumCircuit object and a list of SparsePauliOp. How do I calculate their expectation values using the MPS ...
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