Deprecate pulse and restless related experiments and classes #1476
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This change deprecates the experiments that rely on scanning the parameters of pulses in pulse gate calibrations. Qiskit 2.0 will remove support for pulse gate calibrations, making these experiments impossible to run. The `Calibrations` and `BasisGateLibrary` classes are also deprecated since they have no use without pulse gate calibrations to track. It is planned that Qiskit Pulse will be moved to Qiskit Dynamics and perhaps the experiments and calibrations can be adapted to that use case for calibrating simulated experiments. For now though, this code is removed from Qiskit Experiments to help with making the package more maintainable. Some additional helper code (like the experiments analysis classes and methods of `BackendTiming` and `BackendData`) are also deprecated. Support for restless experiments is also deprecated with this change. Restless support is distinct from pulse support, but it is deprecated with the same motivation of simplifying the package overall. With improvements in the reliability of IBM Quantum's qubit initialization, circuit exectuion has already become reasonably fast and restless measurements do not add much performance improvement. It is expected that the restless features are little used as there has been no user feedback about them.
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LGTM |
dcmckayibm
approved these changes
Oct 25, 2024
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This change deprecates the experiments that rely on scanning the parameters of pulses in pulse gate calibrations. Qiskit 2.0 will remove support for pulse gate calibrations, making these experiments impossible to run. The
CalibrationsandBasisGateLibraryclasses are also deprecated since they have no use without pulse gate calibrations to track. It is planned that Qiskit Pulse will be moved to Qiskit Dynamics and perhaps the experiments and calibrations can be adapted to that use case for calibrating simulated experiments. For now though, this code is removed from Qiskit Experiments to help with making the package more maintainable. Some additional helper code (like the experiments analysis classes and methods ofBackendTimingandBackendData) are also deprecated.Support for restless experiments is also deprecated with this change. Restless support is distinct from pulse support, but it is deprecated with the same motivation of simplifying the package overall. With improvements in the reliability of IBM Quantum's qubit initialization, circuit exectuion has already become reasonably fast and restless measurements do not add much performance improvement. It is expected that the restless features are little used as there has been no user feedback about them.