CustomB2QLayout

class CustomB2QLayout(layout)

Bases: GenericPass[DAGCircuit, DAGCircuit]

Sets the user-provided B2QLayout in the transpiler.

This pass simply populates the b2q_layout field of the property_set, with the value of layout.

Note

It is the user’s responsibility to ensure that subsequently used transpilation passes (and plugins) are configured to adhere to this B2QLayout correctly.

Initializing this transpiler pass can be done with the arguments listed below.

Parameters:

layout (B2QLayout) – the custom b2q_layout to use.

Attributes

layout: B2QLayout

The user-provided mapping of BosonicRegister to QuantumRegister.

Methods

run(dag)

Runs this analysis pass.

Parameters:

dag (DAGCircuit) – the DAG circuit representation of a BosonicCircuit.

Returns:

The unchanged input. But the property_set of this transpilation pipeline will be updated.

Return type:

DAGCircuit

Inherited Methods

execute(passmanager_ir, state, callback=None)

Execute optimization task for input Qiskit IR.

Parameters:

  • passmanager_ir (IR) – Qiskit IR to optimize.

  • state (PassManagerState) – State associated with workflow execution by the pass manager itself.

  • callback (Callable[[Task, IR_OUT, PropertySet, float, int], None] | None) – A callback function which is called per execution of optimization task.

Returns:

Optimized Qiskit IR and state of the workflow.

Return type:

tuple[IR_OUT, PassManagerState]

name()

Name of the pass.

Return type:

str

update_status(state, run_state)

Update workflow status.

Parameters:

  • state (PassManagerState) – Pass manager state to update.

  • run_state (RunState) – Completion status of current task.

Returns:

Updated pass manager state.

Return type:

PassManagerState