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license: apache-2.0 |
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### This model is trained from Mistral-7B-Instruct-V0.2 with 90% chinese dataset and 10% english dataset |
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github [Web-UI](https://github.com/moseshu/llama2-chat/tree/main/webui) |
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![image/png](https://cdn-uploads.huggingface.co/production/uploads/62f4c7172f63f904a0c61ba3/JIeyxhTm9_PNzXyU7wQVd.png) |
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``` |
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from transformers import GenerationConfig, LlamaForCausalLM, LlamaTokenizer,AutoTokenizer,AutoModelForCausalLM,MistralForCausalLM |
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import torch |
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model_id=Mistral-7B-Instruct-v0.4 |
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tokenizer = AutoTokenizer.from_pretrained(model_id) |
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model = AutoModelForCausalLM.from_pretrained(model_id,torch_dtype=torch.bfloat16,device_map="auto",) |
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chat_template="{{ bos_token }}{% for message in messages %}{% if (message['role'] == 'user') != (loop.index0 % 2 == 0) %}{{ raise_exception('Conversation roles must alternate user/assistant/user/assistant/...') }}{% endif %}{% if message['role'] == 'user' %}{{ '[INST] ' + message['content'] + ' [/INST]' }}{% elif message['role'] == 'assistant' %}{{ message['content'] + eos_token}}{% else %}{{ raise_exception('Only user and assistant roles are supported!') }}{% endif %}{% endfor %}" |
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def chat_format(conversation:list): |
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system_prompt = "You are a helpful, respectful and honest assistant.Help humman as much as you can." |
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id = tokenizer.apply_chat_template(conversation,chat_template=chat_template,tokenize=False) |
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return id |
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user_chat=[{"role":"user","content":"你好,最近在干嘛呢"}] |
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text = chat_format(user_chat).rstrip("</s>") |
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def predict(content_prompt): |
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inputs = tokenizer(content_prompt,return_tensors="pt",add_special_tokens=True) |
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input_ids = inputs["input_ids"].to("cuda:0") |
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# print(f"input length:{len(input_ids[0])}") |
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with torch.no_grad(): |
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generation_output = model.generate( |
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input_ids=input_ids, |
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#generation_config=generation_config, |
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return_dict_in_generate=True, |
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output_scores=True, |
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max_new_tokens=2048, |
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top_p=0.9, |
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num_beams=1, |
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do_sample=True, |
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repetition_penalty=1.0, |
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eos_token_id=tokenizer.eos_token_id, |
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pad_token_id=tokenizer.pad_token_id, |
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) |
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s = generation_output.sequences[0] |
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output = tokenizer.decode(s,skip_special_tokens=True) |
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output1 = output.split("[/INST]")[-1].strip() |
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# print(output1) |
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return output1 |
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predict(text) |
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output:你好!作为一个大型语言模型,我一直在学习和提高自己的能力。最近,我一直在努力学习新知识、改进算法,以便更好地回答用户的问题并提供帮助。同时,我也会定期接受人工智能专家的指导和评估,以确保我的表现不断提升。希望这些信息对你有所帮助! |
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``` |
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