bloqade.lanes.heuristics.logical.placement.LogicalPlacementStrategyNoHome

← Module overview

classLogicalPlacementStrategyNoHome¶source

bloqade.lanes.heuristics.logical.placement.LogicalPlacementStrategyNoHome

Bases: LogicalPlacementMethods, MoveToPlacementStrategyABC

Signature

class LogicalPlacementStrategyNoHome(arch_spec: ArchSpec = get_arch_spec(), H_lookahead: int = 4, gamma: float = 0.85, lambda_lookahead: float = 0.5, K_candidates: int = 8, large_cost: float = 1000000000.0, lane_move_overhead_cost: float = 0.0, top_bus_signatures: int = 6, bus_reward_rho: float = 0.7)

Public import paths

• from bloqade.lanes.heuristics.logical import LogicalPlacementStrategyNoHome
• from bloqade.lanes.transform.pipeline import LogicalPlacementStrategyNoHome

Parameters

Name	Type	Default	Description
arch_spec	ArchSpec	get_arch_spec()
H_lookahead	int	4
gamma	float	0.85
lambda_lookahead	float	0.5
K_candidates	int	8
large_cost	float	1000000000.0
lane_move_overhead_cost	float	0.0
top_bus_signatures	int	6
bus_reward_rho	float	0.7

Attributes

Name	Type	Default	Description
arch_spec	ArchSpec	field(default_factory=get_arch_spec)
H_lookahead	int	4
gamma	float	0.85
lambda_lookahead	float	0.5
K_candidates	int	8
large_cost	float	1000000000.0
lane_move_overhead_cost	float	0.0
top_bus_signatures	int	6
bus_reward_rho	float	0.7

methodcompute_moves¶source

bloqade.lanes.heuristics.logical.placement.LogicalPlacementStrategyNoHome.compute_moves

Signature

def compute_moves(state_before: ConcreteState, state_after: ConcreteState) -> tuple[tuple[LaneAddress, ...], ...]

Parameters

Name	Type	Description
state_before	ConcreteState
state_after	ConcreteState

Returns

tuple[tuple[LaneAddress, ...], ...]

source

methodchoose_return_layout¶source

bloqade.lanes.heuristics.logical.placement.LogicalPlacementStrategyNoHome.choose_return_layout

Signature

def choose_return_layout(state_before: ConcreteState, controls: tuple[int, ...], targets: tuple[int, ...], lookahead_cz_layers: tuple[tuple[tuple[int, ...], tuple[int, ...]], ...] = (), skip_qubits: frozenset[int] = frozenset()) -> tuple[ConcreteState, tuple[tuple[LaneAddress, ...], ...]]

Parameters

Name	Type	Default	Description
state_before	ConcreteState	required
controls	tuple[int, ...]	required
targets	tuple[int, ...]	required
lookahead_cz_layers	tuple[tuple[tuple[int, ...], tuple[int, ...]], ...]	()
skip_qubits	frozenset[int]	frozenset()

Returns

tuple[ConcreteState, tuple[tuple[LaneAddress, ...], ...]]

source

methodcz_placements¶source

bloqade.lanes.heuristics.logical.placement.LogicalPlacementStrategyNoHome.cz_placements

Signature

def cz_placements(state: AtomState, controls: tuple[int, ...], targets: tuple[int, ...], lookahead_cz_layers: tuple[tuple[tuple[int, ...], tuple[int, ...]], ...] = ()) -> AtomState

Parameters

Name	Type	Default	Description
state	AtomState	required
controls	tuple[int, ...]	required
targets	tuple[int, ...]	required
lookahead_cz_layers	tuple[tuple[tuple[int, ...], tuple[int, ...]], ...]	()

Returns

AtomState

source

methodsq_placements¶source

bloqade.lanes.heuristics.logical.placement.LogicalPlacementStrategyNoHome.sq_placements

Signature

def sq_placements(state: AtomState, qubits: tuple[int, ...]) -> AtomState

Parameters

Name	Type	Description
state	AtomState
qubits	tuple[int, ...]

Returns

AtomState

source