Preset Passmanagers (qiskit.transpiler.preset_passmanagers)ΒΆ
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Level 0 pass manager: no explicit optimization other than mapping to backend. |
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Level 1 pass manager: light optimization by simple adjacent gate collapsing. |
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Level 2 pass manager: medium optimization by initial layout selection and gate cancellation using commutativity rules. |
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Level 3 pass manager: heavy optimization by noise adaptive qubit mapping and gate cancellation using commutativity rules and unitary synthesis. |