Source code for cerebras.modelzoo.trainer.callbacks.metadata
# Copyright 2022 Cerebras Systems.
#
# 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.
"""
Contains the ModelZooParamsMetadata class that stores the model zoo
parameters in the checkpoint metadata.
"""
import cerebras.pytorch as cstorch
from cerebras.modelzoo.trainer.callbacks import Callback
[docs]class ModelZooParamsMetadata(Callback):
"""
Callback class that stores the model zoo parameters in the checkpoint
metadata.
"""
def __init__(self, params: dict):
"""
Args:
params: Model zoo parameters.
"""
self.params = params
[docs] def on_save_checkpoint(self, trainer, state_dict):
state_dict["__metadata__"] = [
{
"version": cstorch.__version__,
"model_name": trainer.model.__class__.__name__,
"params": self.params,
}
]
[docs] def on_load_checkpoint(self, trainer, state_dict):
trainer.metadata = state_dict.pop("__metadata__", None)