Enum vrp_cli::extensions::solve::config::PopulationType

pub enum PopulationType {
    Greedy {
        selection_size: Option<usize>,
    },
    Elitism {
        max_size: Option<usize>,
        selection_size: Option<usize>,
    },
    Rosomaxa {
        selection_size: Option<usize>,
        max_elite_size: Option<usize>,
        max_node_size: Option<usize>,
        spread_factor: Option<f64>,
        distribution_factor: Option<f64>,
        objective_reshuffling: Option<f64>,
        learning_rate: Option<f64>,
        rebalance_memory: Option<usize>,
        exploration_ratio: Option<f64>,
    },
}

Variants

Greedy

Fields

selection_size: Option<usize>

Selection size. Default is number of cpus.

A greedy population keeps track only of one best-known individual.

Elitism

Fields

max_size: Option<usize>

Max population size. Default is 4.

selection_size: Option<usize>

Selection size. Default is number of cpus.

A basic population which sorts individuals based on their dominance order.

Rosomaxa

Fields

selection_size: Option<usize>

Selection size. Default is number of cpus.

max_elite_size: Option<usize>

Elite population size. Default is 2.

max_node_size: Option<usize>

Node population size. Default is 4.

spread_factor: Option<f64>

Spread factor. Default is 0.75.

distribution_factor: Option<f64>

Distribution factor. Default is 0.75.

objective_reshuffling: Option<f64>

Objective reshuffling. Default is 0.01.

learning_rate: Option<f64>

Learning rate. Default is 0.1.

rebalance_memory: Option<usize>

A rebalance memory. Default is 100.

exploration_ratio: Option<f64>

An exploration phase ratio. Default is 0.9.

A population algorithm based on SOM.

Trait Implementations

impl Clone for PopulationType

fn clone(&self) -> PopulationType

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for PopulationType

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

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for PopulationType

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>where
    __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.