Struct MetricsWriter 

pub struct MetricsWriter { /* private fields */ }

Writer for training metrics with real-time flushing.

Writes metrics to a file in CSV or JSON Lines format with automatic flushing after each write to enable real-time monitoring.

Implementations

impl MetricsWriter

pub fn new(path: &Path, format: MetricsFormat) -> Result<Self>

Create a new metrics writer.

Creates the output file and writes CSV header if using CSV format.

Errors

Returns an error if the file cannot be created or written to.

pub fn write_metrics(&mut self, metrics: &TrainingMetrics) -> Result<()>

Write metrics for a single training iteration.

Automatically flushes after writing to enable real-time monitoring.

Errors

Returns an error if writing or flushing fails.

pub fn flush(&mut self) -> Result<()>

Manually flush any buffered data to disk.

Note: This is called automatically after each write_metrics call.

Errors

Returns an error if flushing fails.

Trait Implementations

impl Drop for MetricsWriter

fn drop(&mut self)

Executes the destructor for this type.