Struct ParserDfaStats 

pub struct ParserDfaStats {

    pub states: usize,
    pub transitions: usize,
    pub max_row_width: usize,
    pub dense_rows: usize,
    pub sparse_rows: usize,
    pub empty_rows: usize,
    pub dense_slots: usize,
    pub sparse_entries: usize,
    pub row_width_histogram: [usize; 5],
    pub populated_edge_histogram: [usize; 6],
    pub edge_density_histogram: [usize; 6],
    pub hot_bytes: usize,
    pub cold_bytes: usize,
    pub semantic_contexts: usize,
    pub semantic_context_bytes: usize,
    pub semantic_provenance_records: usize,
    pub semantic_provenance_bytes: usize,
    pub states_created: usize,
    pub states_deduplicated: usize,
    pub fingerprint_candidates: usize,
    pub fingerprint_collisions: usize,
}

Storage and learning measurements for one parser DFA.

Fields

states: usize

transitions: usize

max_row_width: usize

dense_rows: usize

sparse_rows: usize

empty_rows: usize

dense_slots: usize

sparse_entries: usize

row_width_histogram: [usize; 5]

Widths <=64, <=128, <=256, <=512, and >512.

populated_edge_histogram: [usize; 6]

Populated-edge counts 0, 1, 2-3, 4-7, 8-15, and >=16.

edge_density_histogram: [usize; 6]

Empty, <=1%, <=5%, <=12.5%, <=25%, and >25% populated rows.

hot_bytes: usize

cold_bytes: usize

semantic_contexts: usize

Store-wide semantic-context records. Populated by ParserAtnSimulator::parser_dfa_stats; zero for one standalone DFA.

semantic_context_bytes: usize

Retained element storage for the store-wide semantic-context arena.

semantic_provenance_records: usize

Store-wide semantic-provenance records used by parameterized predicates.

semantic_provenance_bytes: usize

Retained element storage for the optional semantic-provenance arena.

states_created: usize

states_deduplicated: usize

fingerprint_candidates: usize

fingerprint_collisions: usize

Trait Implementations

impl Clone for ParserDfaStats

fn clone(&self) -> ParserDfaStats

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Copy for ParserDfaStats

impl Debug for ParserDfaStats

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

Formats the value using the given formatter.

impl Default for ParserDfaStats

fn default() -> ParserDfaStats

Returns the “default value” for a type.

impl Eq for ParserDfaStats

impl PartialEq for ParserDfaStats

fn eq(&self, other: &ParserDfaStats) -> bool

Equality operator ==.

fn ne(&self, other: &Rhs) -> bool

Inequality operator !=.

impl StructuralPartialEq for ParserDfaStats