File size: 1,305 Bytes
bcdf9fa |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 |
# 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.
|