Struct FrontierDensityTelemetry 

pub struct FrontierDensityTelemetry {
    pub domain_bits: u64,
    pub samples: u64,
    pub iterations: u64,
    pub active_bits_total: u64,
    pub delta_bits_total: u64,
    pub last_active_bits: u64,
    pub last_delta_bits: u64,
    pub peak_active_bits: u64,
    pub peak_delta_bits: u64,
    pub truncated_frontier_samples: u64,
    pub domain_overflow_events: u64,
    pub arithmetic_overflow_events: u64,
}

Frontier density counters captured by a fixed-point scratch session.

Fields

domain_bits: u64

Number of bits in the analysis domain for this run.

samples: u64

Number of decoded frontier samples, including the seed frontier.

iterations: u64

Number of GPU fixed-point iterations observed.

active_bits_total: u64

Sum of active frontier bits across all samples.

delta_bits_total: u64

Sum of changed frontier bits across decoded GPU transitions.

last_active_bits: u64

Active bits in the most recently decoded frontier sample.

last_delta_bits: u64

Changed bits between the previous frontier and the most recent sample.

peak_active_bits: u64

Maximum active bits observed in one frontier sample.

peak_delta_bits: u64

Maximum changed bits observed in one decoded GPU transition.

truncated_frontier_samples: u64

Number of frontier telemetry samples where decoded words were shorter than the domain.

domain_overflow_events: u64

Number of times the telemetry domain could not fit the host index width.

arithmetic_overflow_events: u64

Number of telemetry counter additions that pinned at u64::MAX.

Implementations

impl FrontierDensityTelemetry

pub fn active_density_ppm(self) -> u64

Mean active frontier density across all samples in parts per million.

pub fn delta_density_ppm(self) -> u64

Mean changed-frontier density across decoded GPU transitions in parts per million.

pub fn last_active_density_ppm(self) -> u64

Density of the latest decoded frontier sample in parts per million.

pub fn last_delta_density_ppm(self) -> u64

Density of the latest decoded frontier delta in parts per million.

pub fn recommended_execution_mode(self) -> FrontierExecutionMode

Choose a sparse, dense, or hybrid execution family from measured density.

Trait Implementations

impl Clone for FrontierDensityTelemetry

fn clone(&self) -> FrontierDensityTelemetry

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Copy for FrontierDensityTelemetry

impl Debug for FrontierDensityTelemetry

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

Formats the value using the given formatter.

impl Default for FrontierDensityTelemetry

fn default() -> FrontierDensityTelemetry

Returns the “default value” for a type.

impl Eq for FrontierDensityTelemetry

impl PartialEq for FrontierDensityTelemetry

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

Equality operator ==.

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

Inequality operator !=.

impl StructuralPartialEq for FrontierDensityTelemetry