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@ElePT ElePT commented Sep 17, 2025

Summary

Missing points:

This PR deprecates the DynamicCircuitInstructionDurations class, a class that performed some Eagle-specific optimizations that have fallen out of date, and don't provide any advantage on Herons. This class was used in the durations input of the scheduling passes, which has also been deprecated in favor of providing the target directly to the passes. This allows for a better integration with the overall qiskit transpilation pipeline, which has almost fully transitioned towards the use of target as opposed to loose constraints.

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@jyu00
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jyu00 commented Sep 17, 2025

Thanks @ElePT! Can you also update the code example in https://github.com/Qiskit/qiskit-ibm-runtime/blob/main/qiskit_ibm_runtime/transpiler/passes/scheduling/__init__.py?

@ElePT ElePT added this to the 0.43.0 milestone Sep 23, 2025
@ElePT ElePT changed the title [WIP] Deprecate DynamicCircuitInstructionDurations and provide alternative via Target Deprecate DynamicCircuitInstructionDurations and provide alternative via Target Oct 10, 2025
@ElePT ElePT marked this pull request as ready for review October 10, 2025 15:12
@ElePT ElePT requested review from jyu00 and kt474 October 13, 2025 07:49
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Thanks!! LGTM

@ElePT ElePT added this pull request to the merge queue Oct 14, 2025
Merged via the queue into Qiskit:main with commit 97bdeed Oct 14, 2025
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3 participants