Add layout score analysis pass #3321
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added 3 commits
October 25, 2019 13:57
ajavadia
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Oct 27, 2019
Co-Authored-By: Ali Javadi-Abhari <[email protected]>
kdk
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added 6 commits
October 31, 2019 16:31
…iler/passes/mapping/layout_2q_distance.py
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Changelog: New Feature
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Release note in ffd885e. |
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* initial commit * docstring * docstring * Update qiskit/transpiler/passes/mapping/layout_score.py Co-Authored-By: Ali Javadi-Abhari <[email protected]> * += -> = * docstring * remove initial_layout param * rename qiskit/transpiler/passes/mapping/layout_score.py qiskit/transpiler/passes/mapping/layout_2q_distance.py * LayoutScore -> Layout2qDistance * counter * dyn property name * docstring * release note * each two qubit gate in the circuit
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In order to evaluate if a layout selection is good (this is the context ), a way to score a layout.
The scoring measures the distance of the CXs in the coupling map. And, if they are not direct neightbord, adds 1 for each extra distance that is needed.