Exaone3 Instructrans V2 Enko 7.8b

# 需要至少 24GB VRAM 的 GPU。如果只有 12GB VRAM，则需要在 FP8 模式下运行。 

python vllm_inference.py -gpu_id 0 -split_idx 0 -split_num 2 -dname "nvidia/HelpSteer" -untrans_col 'helpfulness' 'correctness' 'coherence' 'complexity' 'verbosity' > 0.out
python vllm_inference.py -gpu_id 1 -split_idx 1 -split_num 2 -dname "nvidia/HelpSteer" -untrans_col 'helpfulness' 'correctness' 'coherence' 'complexity' 'verbosity' > 1.out

import os
import argparse
import pandas as pd

from tqdm import tqdm
from typing import List, Dict
from datasets import load_dataset, Dataset
from transformers import AutoTokenizer
from vllm import LLM, SamplingParams

# 截断超过 4096 个 token 的句子。 # 用于相同的数据集大小
def truncation_func(sample, column_name):
    input_ids = tokenizer(str(sample[column_name]), truncation=True, max_length=4096, add_special_tokens=False).input_ids
    output = tokenizer.decode(input_ids)
    sample[column_name]=output
    return sample

# 转换为聊天模板
def create_conversation(sample, column_name):
    SYSTEM_PROMPT=f"당신은 번역기 입니다. 영어 문장을 한국어로 번역하세요."
    messages=[
        {"role":"system", "content": SYSTEM_PROMPT},
        {"role":"user", "content":sample[column_name]}
    ]
    text=tokenizer.apply_chat_template(
        messages,
        tokenize=False,
        add_generation_prompt=True
    )
    sample[column_name]=text
    return sample

def load_dataset_preprocess(dataset_name:str, untranslate_column:List, split_num, split_idx, subset=None, num_proc=128) -> Dataset: 
    step = 100//split_num     # 分割数据集
    if subset:
        dataset = load_dataset(dataset_name, subset, split=f'train[{step*split_idx}%:{step*(split_idx+1)}%]')
    else:
        dataset = load_dataset(dataset_name, split=f'train[{step*split_idx}%:{step*(split_idx+1)}%]')
    print(dataset)
    original_dataset = dataset # 保留未翻译的列
    dataset = dataset.remove_columns(untranslate_column)
    
    for feature in dataset.features:
        dataset = dataset.map(lambda x: truncation_func(x,feature), num_proc=num_proc) # 
        dataset = dataset.map(lambda x: create_conversation(x,feature), batched=False, num_proc=num_proc)
        
    print("filtered_dataset:", dataset)
    return dataset, original_dataset

def save_dataset(result_dict:Dict, dataset_name, untranslate_column:List, split_idx, subset:str):
    for column in untranslate_column:
        result_dict[column] = original_dataset[column]
    
    df = pd.DataFrame(result_dict)
    output_file_name = dataset_name.split('/')[-1]
    os.makedirs('gen', exist_ok=True)
    if subset:
        save_path = f"gen/{output_file_name}_{subset}_{split_idx}.jsonl"
    else:
        save_path = f"gen/{output_file_name}_{split_idx}.jsonl"
    df.to_json(save_path, lines=True, orient='records', force_ascii=False)

if __name__=="__main__":
    model_name = "Translation-EnKo/exaone3-instrucTrans-v2-enko-7.8b"
    tokenizer = AutoTokenizer.from_pretrained(model_name)

    parser = argparse.ArgumentParser(description='load dataset name & split size')
    parser.add_argument('-dname', type=str, default="Magpie-Align/Magpie-Pro-MT-300K-v0.1")
    parser.add_argument('-untrans_col', nargs='+', default=[])
    parser.add_argument('-split_num', type=int, default=4)
    parser.add_argument('-split_idx', type=int, default=0)
    parser.add_argument('-gpu_id', type=int, default=0)
    parser.add_argument('-subset', type=str, default=None)
    parser.add_argument('-num_proc', type=int, default=128)

    args = parser.parse_args()
    os.environ["CUDA_VISIBLE_DEVICES"]=str(args.gpu_id)
    dataset, original_dataset =  load_dataset_preprocess(args.dname,
                                                         args.untrans_col,
                                                         args.split_num,
                                                         args.split_idx,
                                                         args.subset, 
                                                         args.num_proc
                                                        )
    # 定义模型
    sampling_params = SamplingParams(
        temperature=0, 
        max_tokens=8192,
    )
    llm = LLM(
        model=model_name,
        tensor_parallel_size=1,
        gpu_memory_utilization=0.95,
    )
    # 模型推理
    result_dict = {}
    for feature in  tqdm(dataset.features):
        print(f"'{feature}' column in progress..")
        outputs = llm.generate(dataset[feature], sampling_params)
        result_dict[feature]=[output.outputs[0].text for output in outputs]
        save_dataset(result_dict, args.dname, args.untrans_col, args.split_idx, args.subset)
        print(f"saved to json. column: {feature}")