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# Copyright (c) 2023, NVIDIA CORPORATION. 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 lightning.pytorch import Trainer
from nemo.collections.multimodal.models.text_to_image.controlnet.controlnet import MegatronControlNet
from nemo.collections.multimodal.models.text_to_image.controlnet.util import ImageLogger
from nemo.collections.nlp.parts.megatron_trainer_builder import MegatronTrainerBuilder
from nemo.core.config import hydra_runner
from nemo.utils.exp_manager import exp_manager
class MegatronControlNetTrainerBuilder(MegatronTrainerBuilder):
"""Builder for T5 model Trainer with overrides."""
def create_trainer(self, callbacks=[]) -> Trainer:
strategy = self._training_strategy()
plugins = self._plugins()
return Trainer(plugins=plugins, strategy=strategy, **self.cfg.trainer, callbacks=callbacks)
@hydra_runner(config_path='conf', config_name='controlnet_v1-5.yaml')
def main(cfg):
callbacks = []
if cfg.model.get('image_logger', None):
callbacks.append(ImageLogger(**cfg.model.image_logger))
trainer = MegatronControlNetTrainerBuilder(cfg).create_trainer(callbacks=callbacks)
exp_manager(trainer, cfg.get("exp_manager", None))
model = MegatronControlNet(cfg.model, trainer)
trainer.fit(model)
if __name__ == '__main__':
main()
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