minimind-v/export_model.py

41 lines
1.5 KiB
Python

import torch
import warnings
from transformers import AutoTokenizer, AutoModelForCausalLM
from model.LMConfig import LMConfig
from model.model import Transformer
warnings.filterwarnings('ignore', category=UserWarning)
def count_parameters(model):
return sum(p.numel() for p in model.parameters() if p.requires_grad)
def export_transformers_model():
tokenizer = AutoTokenizer.from_pretrained('./model/minimind_tokenizer',
trust_remote_code=True, use_fast=False)
LMConfig.register_for_auto_class()
Transformer.register_for_auto_class("AutoModelForCausalLM")
lm_config = LMConfig()
lm_model = Transformer(lm_config)
device = torch.device('cuda' if torch.cuda.is_available() else 'cpu')
moe_path = '_moe' if lm_config.use_moe else ''
ckpt_path = f'./out/{lm_config.dim}{moe_path}_vlm_sft.pth'
state_dict = torch.load(ckpt_path, map_location=device)
unwanted_prefix = '_orig_mod.'
for k, v in list(state_dict.items()):
if k.startswith(unwanted_prefix):
state_dict[k[len(unwanted_prefix):]] = state_dict.pop(k)
lm_model.load_state_dict(state_dict, strict=False)
print(f'模型参数: {count_parameters(lm_model) / 1e6} 百万 = {count_parameters(lm_model) / 1e9} B (Billion)')
lm_model.save_pretrained("minimind-v-v1-small", safe_serialization=False)
tokenizer.save_pretrained("minimind-v-v1-small")
if __name__ == '__main__':
# 1
export_transformers_model()