| # Copyright (c) 2024, EleutherAI | |
| # | |
| # 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. | |
| # mostly moving to using checkpointing from deepspeed (identical code anyway) so currently this file is only imports | |
| # TODO: should be able to get rid of this file entirely | |
| import deepspeed | |
| import deepspeed.runtime.activation_checkpointing.checkpointing as checkpointing | |
| # Default name for the model parallel rng tracker. | |
| _MODEL_PARALLEL_RNG_TRACKER_NAME = ( | |
| deepspeed.checkpointing._MODEL_PARALLEL_RNG_TRACKER_NAME | |
| ) | |
| # Whether apply model parallelsim to checkpointed hidden states. | |
| _CHECKPOINTED_ACTIVATIONS_MEMORY_BUFFER = None | |
| # RNG tracker object. | |
| _CUDA_RNG_STATE_TRACKER = deepspeed.checkpointing._CUDA_RNG_STATE_TRACKER | |
| # Deepspeed checkpointing functions | |
| # TODO: replace calls to these in our codebase with calls to the deepspeed ones | |
| _set_cuda_rng_state = checkpointing._set_cuda_rng_state | |
| checkpoint = checkpointing.checkpoint | |
| model_parallel_cuda_manual_seed = checkpointing.model_parallel_cuda_manual_seed | |
| get_cuda_rng_tracker = checkpointing.get_cuda_rng_tracker | |