Struct LeaderCardinalityModel 

pub struct LeaderCardinalityModel;

Default implementation: pick the min-cardinality input as leader, gated by the configurable wcoj_var_ordering_threshold ratio.

Trait Implementations

impl Clone for LeaderCardinalityModel

fn clone(&self) -> LeaderCardinalityModel

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for LeaderCardinalityModel

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

Formats the value using the given formatter.

impl Default for LeaderCardinalityModel

fn default() -> LeaderCardinalityModel

Returns the “default value” for a type.

impl WcojVariableOrderingModel for LeaderCardinalityModel

fn pick_triangle_leader( &self, rel_ids: [RelId; 3], stats: &StatsManager, config: &CompilerConfig, ) -> Option<u8>

Pick a leader for the triangle WCOJ shape.

fn pick_4cycle_leader( &self, rel_ids: [RelId; 4], stats: &StatsManager, config: &CompilerConfig, ) -> Option<u8>

Pick a leader for the 4-cycle WCOJ shape.

impl Copy for LeaderCardinalityModel