Function bevy_internal::utils::petgraph::algo::dominators::simple_fast

source ·

pub fn simple_fast<G>(
    graph: G,
    root: <G as GraphBase>::NodeId
) -> Dominators<<G as GraphBase>::NodeId>where
    G: IntoNeighbors + Visitable,
    <G as GraphBase>::NodeId: Eq + Hash,

Expand description

This is an implementation of the engineered “Simple, Fast Dominance Algorithm” discovered by Cooper et al.

This algorithm is O(|V|²), and therefore has slower theoretical running time than the Lengauer-Tarjan algorithm (which is O(|E| log |V|). However, Cooper et al found it to be faster in practice on control flow graphs of up to ~30,000 vertices.