| # Copyright 2024 Bytedance Ltd. and/or its affiliates | |
| # Copyright (c) 2024, 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 megatron.core.optimizer import OptimizerConfig | |
| from megatron.core.optimizer import get_megatron_optimizer as get_megatron_optimizer_native | |
| def get_megatron_optimizer( | |
| model, | |
| config: OptimizerConfig, | |
| no_weight_decay_cond=None, | |
| scale_lr_cond=None, | |
| lr_mult=1.0, | |
| ): | |
| # Base optimizer. | |
| return get_megatron_optimizer_native( | |
| config=config, | |
| model_chunks=model, | |
| no_weight_decay_cond=no_weight_decay_cond, | |
| scale_lr_cond=scale_lr_cond, | |
| lr_mult=lr_mult, | |
| ) | |
| # TODO: add get_optimizer_param_scheduler(optimizer) to implement lr scheuler. | |