torchrl.trainers.algorithms.configs.utils.LBFGSConfig

class torchrl.trainers.algorithms.configs.utils.LBFGSConfig(lr: float = 1.0, max_iter: int = 20, max_eval: int | None = None, tolerance_grad: float = 1e-07, tolerance_change: float = 1e-09, history_size: int = 100, line_search_fn: str | None = None, _target_: str = 'torch.optim.LBFGS', _partial_: bool = True)

Configuration for LBFGS optimizer.