Henry Zou

[WIP] Add CriticalHeuristic to SABRE routing heuristics

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## Summary This pull request introduces a new heuristic, `CriticalHeuristic`, to the `SabreSwap` pass in Qiskit. The `CriticalHeuristic` prioritizes routing decisions based on the criticality of quantum operations, as determined...

Add `DepthHeuristic` to SABRE routing heuristics

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### Summary This pull request introduces a new heuristic, `DepthHeuristic`, to the `SabreSwap`. The `DepthHeuristic` is designed to minimize circuit depth by penalizing swaps that increase the circuit's depth during...

Fixes `KeyError` when transpling to a QPU in Krylov tutorial

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Resolves the issue of `KeyError: (0, 14)` when doing `twoq_gate_err = target[op_name][q].error` as we transpile to a QPU. The fix here is to add the `if_else` instruction to the backend,...

Update AI transpiler tutorial for local mode, revised benchmarks, and Qiskit API updates

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This PR overhauls the AI transpiler tutorial following the migration of the Transpiler Service and recent improvements in Qiskit’s standard transpiler stack. In addition to resolving issue #3631 , it...