Struct HardwareTopology 

pub struct HardwareTopology {
    pub num_qubits: usize,
    pub connectivity: UnGraph<u32, f64>,
    pub qubit_properties: Vec<QubitProperties>,
    pub gate_properties: HashMap<(u32, u32), GateProperties>,
}

Represents a quantum hardware topology

Fields

num_qubits: usize

Number of physical qubits

connectivity: UnGraph<u32, f64>

Connectivity graph (undirected for most hardware)

qubit_properties: Vec<QubitProperties>

Qubit properties (T1, T2, gate errors, etc.)

gate_properties: HashMap<(u32, u32), GateProperties>

Two-qubit gate properties (gate errors, gate times)

Implementations

impl HardwareTopology

pub fn new(num_qubits: usize) -> Self

Create a new hardware topology

pub fn add_qubit(&mut self, properties: QubitProperties) -> NodeIndex

Add a qubit with properties

pub fn add_connection(&mut self, q1: u32, q2: u32, properties: GateProperties)

Add a connection between two qubits

pub fn load_standard(topology_type: &str) -> Result<Self, TopologyError>

Load standard hardware topologies

pub fn linear_topology(n: usize) -> Self

Create a linear topology (chain of qubits)

pub fn grid_topology(rows: usize, cols: usize) -> Self

Create a 2D grid topology

pub fn ibm_topology() -> Self

Create IBM 5-qubit topology (bow-tie shape)

pub fn google_topology() -> Self

Create Google Sycamore-like topology (subset)

pub fn from_heavy_hex(num_qubits: usize) -> Self

Create IBM Heavy-Hex topology

pub fn from_sycamore(num_qubits: usize) -> Self

Create Google Sycamore-like topology

pub fn num_qubits(&self) -> usize

Get the number of qubits

pub fn connectivity(&self) -> Vec<(usize, usize)>

Get all connected pairs of qubits

pub fn are_connected(&self, q1: usize, q2: usize) -> bool

Check if two qubits are connected

pub fn shortest_path_distance(&self, q1: usize, q2: usize) -> Option<f64>

Get shortest path distance between two qubits

pub fn analyze_connectivity(&self) -> ConnectivityAnalysis

Simple connectivity analysis

pub fn analyze(&self) -> TopologyAnalysis

Analyze topology properties

pub fn find_critical_qubits(&self) -> Vec<u32>

Find critical qubits (removal increases distances significantly)

pub fn find_optimal_subset( &self, required_qubits: usize, ) -> Result<Vec<u32>, TopologyError>

Find optimal qubit subset for a given circuit size

Trait Implementations

impl Clone for HardwareTopology

fn clone(&self) -> HardwareTopology

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for HardwareTopology

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Default for HardwareTopology

fn default() -> Self

Returns the “default value” for a type.