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README.md

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+---
+library_name: peft
+license: apache-2.0
+tags:
+- llama2
+- qLoRa
+- traditional_chinese
+- alpaca
+---
+## Finetuned dataset
+- NTU NLP Lab's translated alapaca-tw_en dataset: alpaca-tw_en-align.json: [ntunpllab](https://github.com/ntunlplab/traditional-chinese-alpaca) translate Stanford Alpaca 52k dataset
+
+## Use which pretrained model
+- NousResearch: https://huggingface.co/NousResearch/Llama-2-7b-chat-hf
+
+## Training procedure
+
+The following `bitsandbytes` quantization config was used during training:
+- load_in_8bit: False
+- load_in_4bit: True
+- llm_int8_threshold: 6.0
+- llm_int8_skip_modules: None
+- llm_int8_enable_fp32_cpu_offload: False
+- llm_int8_has_fp16_weight: False
+- bnb_4bit_quant_type: nf4
+- bnb_4bit_use_double_quant: True
+- bnb_4bit_compute_dtype: bfloat16
+### Framework versions
+
+
+- PEFT 0.4.0
+
+## Usage
+### Installation dependencies
+```
+$pip install transformers torch peft
+```
+#### Run the inference
+```
+import transformers
+import torch
+from transformers import AutoTokenizer, TextStreamer
+
+# Use the same tokenizer from the source model
+model_id="weiren119/traditional_chinese_qlora_llama2_merged"
+tokenizer = AutoTokenizer.from_pretrained(original_model_path, use_fast=False)
+
+# Load fine-tuned model, you can replace this with your own model
+model = AutoPeftModelForCausalLM.from_pretrained(
+        model_id,
+        load_in_4bit=model_id.endswith("4bit"),
+        torch_dtype=torch.float16,
+        device_map='auto'
+)
+
+system_prompt = """You are a helpful, respectful and honest assistant. Always answer as helpfully as possible, while being safe.  Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature.
+
+            If a question does not make any sense, or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information."""
+
+
+
+
+def get_prompt(message: str, chat_history: list[tuple[str, str]]) -> str:
+    texts = [f'[INST] <<SYS>>\n{system_prompt}\n<</SYS>>\n\n']
+    for user_input, response in chat_history:
+        texts.append(f'{user_input.strip()} [/INST] {response.strip()} </s><s> [INST] ')
+    texts.append(f'{message.strip()} [/INST]')
+    return ''.join(texts)
+
+
+print ("="*100)
+print ("-"*80)
+print ("Have a try!")
+
+s = ''
+chat_history = []
+while True:
+    s = input("User: ")
+    if s != '':
+        prompt = get_prompt(s, chat_history)
+        print ('Answer:')
+        tokens = tokenizer(prompt, return_tensors='pt').input_ids
+        #generate_ids = model.generate(tokens.cuda(), max_new_tokens=4096, streamer=streamer)
+        generate_ids = model.generate(input_ids=tokens.cuda(), max_new_tokens=4096, streamer=streamer)
+        output = tokenizer.decode(generate_ids[0, len(tokens[0]):-1]).strip()
+        chat_history.append([s, output])
+        print ('-'*80)
+```