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Source code for pytorch_lightning.plugins.io.hpu_plugin

# Copyright The PyTorch Lightning team.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

import os
from typing import Any, Dict, Optional

import torch

from lightning_lite.plugins import TorchCheckpointIO
from lightning_lite.utilities import move_data_to_device
from lightning_lite.utilities.cloud_io import _atomic_save, get_filesystem
from lightning_lite.utilities.types import _PATH


[docs]class HPUCheckpointIO(TorchCheckpointIO): """CheckpointIO to save checkpoints for HPU training strategies."""
[docs] def save_checkpoint(self, checkpoint: Dict[str, Any], path: _PATH, storage_options: Optional[Any] = None) -> None: """Save model/training states as a checkpoint file through state-dump and file-write. Args: checkpoint: dict containing model and trainer state path: write-target path storage_options: not used in ``XLACheckpointIO.save_checkpoint`` Raises: TypeError: If ``storage_options`` arg is passed in """ if storage_options is not None: raise TypeError( "`Trainer.save_checkpoint(..., storage_options=...)` with `storage_options` arg" f" is not supported for `{self.__class__.__name__}`. Please implement your custom `CheckpointIO`" " to define how you'd like to use `storage_options`." ) fs = get_filesystem(path) fs.makedirs(os.path.dirname(path), exist_ok=True) checkpoint = move_data_to_device(checkpoint, torch.device("cpu")) # write the checkpoint dictionary to the provided path _atomic_save(checkpoint, path)

© Copyright Copyright (c) 2018-2022, Lightning AI et al... Revision 92fe1887.

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