Checkpointing

Divi provides checkpointing support for saving and resuming optimization state. CheckpointConfig controls where and how often state is written; CheckpointInfo describes a single checkpoint on disk.

divi.qprog.checkpointing Module

Functions

cleanup_old_checkpoints(main_dir, keep_last_n)	Remove old checkpoints, keeping only the most recent N.
get_checkpoint_info(checkpoint_path)	Get information about a checkpoint.
get_latest_checkpoint(main_dir)	Get the path to the latest checkpoint.
list_checkpoints(main_dir)	List all checkpoints in a main checkpoint directory.
resolve_checkpoint_path(main_dir[, subdirectory])	Resolve the path to a checkpoint subdirectory.

Classes

CheckpointConfig([checkpoint_dir, ...])	Configuration for checkpointing during optimization.
CheckpointCorruptedError(message[, ...])	Raised when a checkpoint file is corrupted or invalid.
CheckpointError	Base exception for checkpoint-related errors.
CheckpointInfo(path, iteration, timestamp, ...)	Information about a checkpoint.
CheckpointNotFoundError(message[, main_dir, ...])	Raised when a checkpoint directory or file is not found.