| # Copyright 2024 The HuggingFace Team. All rights reserved. | |
| # | |
| # 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. | |
| from __future__ import annotations | |
| from typing import TYPE_CHECKING | |
| from ..utils import is_torch_available | |
| if TYPE_CHECKING: | |
| from torch import nn | |
| def is_fsdp_managed_module(module: nn.Module) -> bool: | |
| if not is_torch_available(): | |
| return False | |
| import torch.distributed.fsdp | |
| return isinstance(module, torch.distributed.fsdp.FullyShardedDataParallel) or getattr( | |
| module, "_is_fsdp_managed_module", False | |
| ) | |