| # Copyright (c) 2020-2025, NVIDIA CORPORATION. | |
| # | |
| # 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 argparse | |
| from nemo.collections import llm | |
| from nemo.collections.llm.gpt.model.ssm import HFNemotronHExporter, HFNemotronHImporter | |
| def get_args(): | |
| parser = argparse.ArgumentParser() | |
| parser.add_argument("--conversion_type", type=str, required=True) | |
| parser.add_argument("--source_ckpt", type=str, required=True) | |
| parser.add_argument("--target_ckpt", type=str, required=True) | |
| return parser.parse_args() | |
| if __name__ == "__main__": | |
| args = get_args() | |
| nmh_config = llm.NemotronHConfig4B() | |
| if args.conversion_type == "NEMO2_TO_HF": | |
| exporter = HFNemotronHExporter(args.source_ckpt, model_config=nmh_config) | |
| exporter.apply(args.target_ckpt) | |
| elif args.conversion_type == "HF_TO_NEMO2": | |
| exporter = HFNemotronHImporter(args.source_ckpt) | |
| exporter.apply(args.target_ckpt) | |
| else: | |
| raise ValueError(f"Invalid conversion type: {args.conversion_type}") | |