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CheckpointCallback

entrenar::train::callback

Struct CheckpointCallback 

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pub struct CheckpointCallback { /* private fields */ }
Expand description

Checkpoint callback to save model state periodically

Saves model state every N epochs or when a new best loss is achieved.

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impl CheckpointCallback

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pub fn new(checkpoint_dir: impl Into<PathBuf>) -> Self

Create checkpoint callback saving to directory

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pub fn save_every(self, epochs: usize) -> Self

Configure to save every N epochs

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pub fn save_best(self, save: bool) -> Self

Configure to save on best loss

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pub fn checkpoint_path(&self, epoch: usize) -> PathBuf

Get checkpoint path for epoch

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pub fn best_checkpoint_path(&self) -> PathBuf

Get best checkpoint path

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impl Clone for CheckpointCallback

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fn clone(&self) -> CheckpointCallback

Returns a duplicate of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for CheckpointCallback

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

Formats the value using the given formatter. Read more
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impl TrainerCallback for CheckpointCallback

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fn on_epoch_end(&mut self, ctx: &CallbackContext) -> CallbackAction

Called after each epoch
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fn on_train_end(&mut self, ctx: &CallbackContext)

Called after training ends
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fn name(&self) -> &'static str

Get callback name for logging
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fn on_train_begin(&mut self, _ctx: &CallbackContext) -> CallbackAction

Called before training starts
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fn on_epoch_begin(&mut self, _ctx: &CallbackContext) -> CallbackAction

Called before each epoch
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fn on_step_begin(&mut self, _ctx: &CallbackContext) -> CallbackAction

Called before each training step
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fn on_step_end(&mut self, _ctx: &CallbackContext) -> CallbackAction

Called after each training step
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fn on_validation(&mut self, _ctx: &CallbackContext) -> CallbackAction

Called when validation is performed

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