cirq.optimizers.merge_interactions.MergeInteractionsAbc

Combines series of adjacent one- and two-qubit, non-parametrized gates

Inherits From: PointOptimizer

cirq.optimizers.merge_interactions.MergeInteractionsAbc(
    tolerance: float = 1e-08,
    post_clean_up: Callable[[Sequence[ops.Operation]], ops.OP_TREE] = (lambda op_list: op_list)
) -> None

operating on a pair of qubits.

tolerance A limit on the amount of absolute error introduced by the construction.
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

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optimization_at(
    circuit: cirq.circuits.Circuit,
    index: int,
    op: cirq.ops.Operation
) -> Optional[cirq.circuits.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

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optimize_circuit(
    circuit: cirq.circuits.Circuit
)

__call__

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__call__(
    circuit: cirq.circuits.Circuit
)

Call self as a function.