Truncate save_expval #2216
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Truncate save_expval #2216
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doichanj
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stable-backport-potential
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revert to 0.15.0
hhorii
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Sep 12, 2024
doichanj
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Sep 12, 2024
* truncate save_expval * fix truncation * fix truncation * add num_original_qubits to aer_circuit to get num_qubits without ancilla qubits * Fix adding qubitset * add test case, release note and fix docs * fix doc * fix doc * fix doc * fix doc * fix doc * fix doc * fix doc * fix doc * change truncation strategy * format * remove print * no truncation when circuit is empty * Update VERSION.txt revert to 0.15.0 --------- Co-authored-by: Hiroshi Horii <[email protected]>
doichanj
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Sep 13, 2024
* Add `open_pulse` entry to `AerBackendConfiguration` (#2214) * add open_pulse entry to AerBackendConfiguration * add test * Fix tests Aer 0.15 in the latest environments (#2223) * qiskit 1.0.0rc1 -> 1.3.0b1 * test * test * fix tutorial * add release note * change version number * Revert NoiseModel.from_dict (#2222) * Truncate save_expval (#2216) * truncate save_expval * fix truncation * fix truncation * add num_original_qubits to aer_circuit to get num_qubits without ancilla qubits * Fix adding qubitset * add test case, release note and fix docs * fix doc * fix doc * fix doc * fix doc * fix doc * fix doc * fix doc * fix doc * change truncation strategy * format * remove print * no truncation when circuit is empty * Update VERSION.txt revert to 0.15.0 --------- Co-authored-by: Hiroshi Horii <[email protected]> --------- Co-authored-by: Takashi Imamichi <[email protected]> Co-authored-by: Hiroshi Horii <[email protected]>
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Summary
This PR truncates save_expval instruction when using
EstimatorV2.from_backend()for small circuits.Details and comments
Ancilla qubits are added when transpiling small circuits with non-simulator backends that increases number of qubits to backends' qubits, and causes max memory error.
This PR truncates qubits of circuits with save_expval and restore Pauli string when saving expval to the results.