Peft库使用技巧（二）：删除、合并微调参数【从全参数微调后的模型参数中剔除基座模型参数（冻结），然后发布自己训练的这部分参数模块】

从全参数微调后的模型参数中剔除基座模型参数（冻结），然后发布自己训练的这部分参数模块

#    Copyright 2023 Rohan Taori, Ishaan Gulrajani, Tianyi Zhang, Yann Dubois, Xuechen Li
#
#    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 typing import Optional
from peft import PeftModel
import fire
import torch
import tqdm
import transformers
# from train import smart_tokenizer_and_embedding_resize
 
@torch.inference_mode()
def make_diff(