executing-plans
executing-plans
Use when executing an implementation plan in the current session as the implementer yourself — your human partner chose inline execution, or no subagent tool is available
huggingfaceHugging Face开发专家助手。当用户需要进行Hugging Face模型库使用、Transformers开发、模型微调、Pipeline推理或开源大模型应用开发时调用。
Independent GitHub snapshot · Automated classification · Original documentation governs
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model_loader.py、train_lora.py)QAModel、TextClassifier)load_model、generate_response)MAX_SEQ_LENGTH、LORA_RANK){组织}/{任务}-{模型}(myorg/qa-llama3-lora)AutoModelForCausalLM / AutoModelForSequenceClassification 等自动类device_map="auto" 自动分配设备BitsAndBytesConfig(4bit / 8bit)torch_dtype=torch.bfloat16 或 torch.float16model.generate() 生成文本max_new_tokens 限制生成长度pad_token_id 处理批量生成TextIteratorStreamermodel.eval() + torch.no_grad()LoraConfig 配置 LoRA 参数["q_proj", "v_proj"] 或 ["q_proj", "k_proj", "v_proj", "o_proj"]get_peft_model() 包装模型merge_and_unload() 合并权重BitsAndBytesConfig(load_in_4bit=True, bnb_4bit_compute_dtype=torch.bfloat16)prepare_model_for_kbit_training()SFTTrainer(trl 库)进行监督微调{"messages": [{"role": "user", "content": "..."}, {"role": "assistant", "content": "..."}]}pipeline() 快速推理:
pipeline("text-classification")pipeline("text-generation")pipeline("question-answering")pipeline("summarization")pipeline("translation_xx_to_yy")device 和 torch_dtypebatch_size 参数提升吞吐AutoTokenizer.from_pretrained() 加载padding="max_length" 或 padding=Truetruncation=True 防止超长输入tokenizer.pad_token = tokenizer.eos_token(无 pad_token 时)tokenizer.save_pretrained("./tokenizer")datasets 库加载与处理数据load_dataset("json", data_files="train.jsonl").map() 批量处理,设置 num_proc 并行remove_columns 清除原始列,避免传递给模型load_dataset(..., streaming=True)# TODO: [作者] 具体待办事项描述accelerate 的 Accelerator 管理分布式训练print(),统一使用 loggingmax_new_tokens 防止无限生成model.save_pretrained() + tokenizer.save_pretrained()push_to_hub()transformers 的 pipeline + FastAPI 封装accelerate launch 启动分布式训练Temperature + Top-p 采样控制多样性