cirq.PointOptimizer

Makes circuit improvements focused on a specific location.

cirq.PointOptimizer(
    post_clean_up: Callable[[Sequence['cirq.Operation']], 'cirq.OP_TREE'] = (lambda op_list: op_list)
) -> None

Used in the notebooks

Used in the tutorials

post_clean_up This function is called on each set of optimized operations before they are put into the circuit to replace the old operations.

Methods

optimization_at

View source

@abc.abstractmethod
optimization_at(
    circuit: 'cirq.Circuit', index: int, op: 'cirq.Operation'
) -> Optional['cirq.PointOptimizationSummary']

Describes how to change operations near the given location.

For example, this method could realize that the given operation is an X gate and that in the very next moment there is a Z gate. It would indicate that they should be combined into a Y gate by returning PointOptimizationSummary(clear_span=2, clear_qubits=op.qubits, new_operations=cirq.Y(op.qubits[0]))

Args
circuit The circuit to improve.
index The index of the moment with the operation to focus on.
op The operation to focus improvements upon.

Returns
A description of the optimization to perform, or else None if no change should be made.

optimize_circuit

View source

optimize_circuit(
    circuit: 'cirq.Circuit'
)

__call__

View source

__call__(
    circuit: 'cirq.Circuit'
)

Call self as a function.