An exact branch-and-bound solver for generalized qubit mapping shows that the standard layering constraint raises optimal SWAP counts and circuit depth, most strongly on sparsely connected hardware graphs.
Bench- marking a trapped-ion quantum computer with 30 qubits
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An Exact Branch and Bound Algorithm for the generalized Qubit Mapping Problem
An exact branch-and-bound solver for generalized qubit mapping shows that the standard layering constraint raises optimal SWAP counts and circuit depth, most strongly on sparsely connected hardware graphs.