Struct TrainingProgress 

pub struct TrainingProgress {
    pub total_epochs: usize,
    pub current_epoch: usize,
    pub metrics: HashMap<String, Vec<f64>>,
}

Training progress tracker.

Combines epoch tracking with multi-metric recording and progress reporting.

Fields

total_epochs: usize

Total number of planned epochs.

current_epoch: usize

Current epoch (0-indexed, incremented by advance_epoch).

metrics: HashMap<String, Vec<f64>>

Recorded metrics keyed by name, each with a history of values.

Implementations

impl TrainingProgress

pub fn new(total_epochs: usize) -> Self

Create a new training progress tracker.

pub fn record(&mut self, metric_name: impl Into<String>, value: f64)

Record a metric value for the current epoch.

pub fn progress_fraction(&self) -> f64

Fraction of training completed (current / total).

pub fn advance_epoch(&mut self)

Advance to the next epoch.

pub fn latest(&self, metric_name: &str) -> Option<f64>

Get the latest recorded value for a metric.

pub fn best(&self, metric_name: &str, mode: &MonitorMode) -> Option<f64>

Get the best (min or max) recorded value for a metric.

pub fn summary(&self) -> String

Human-readable summary of training progress.

Trait Implementations

impl Clone for TrainingProgress

fn clone(&self) -> TrainingProgress

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for TrainingProgress

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

Formats the value using the given formatter.