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README.md
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## Introduction
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Qwen2 is the new series of Qwen large language models. For Qwen2, we release a number of base language models and instruction-tuned language models ranging from 0.5 to 72 billion parameters, including a Mixture-of-Experts model. This repo contains the instruction-tuned 72B Qwen2 model.
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Compared with the state-of-the-art opensource language models, including the previous released Qwen1.5, Qwen2 has generally surpassed most opensource models and demonstrated competitiveness against proprietary models across a series of benchmarks targeting for language understanding, language generation, multilingual capability, coding, mathematics, reasoning, etc.
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## This finetune
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Qwen2-72B-Orpo-v0.1 is a QLoRA finetune of `Qwen/Qwen2-72B-Instruct` on 1.5k rows of `mlabonne/orpo-dpo-mix-40k`.
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## Introduction
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From Qwen2:
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Qwen2 is the new series of Qwen large language models. For Qwen2, we release a number of base language models and instruction-tuned language models ranging from 0.5 to 72 billion parameters, including a Mixture-of-Experts model. This repo contains the instruction-tuned 72B Qwen2 model.
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Compared with the state-of-the-art opensource language models, including the previous released Qwen1.5, Qwen2 has generally surpassed most opensource models and demonstrated competitiveness against proprietary models across a series of benchmarks targeting for language understanding, language generation, multilingual capability, coding, mathematics, reasoning, etc.
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## This finetune
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Qwen2-72B-Orpo-v0.1 is a QLoRA finetune of `Qwen/Qwen2-72B-Instruct` on 1.5k rows of `mlabonne/orpo-dpo-mix-40k`.
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You can find the experiment on W&B at [this address](https://wandb.ai/dryanfurman/huggingface/runs/fw7mtub1?nw=nwuserdryanfurman).
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## 💻 Usage
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<details>
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<summary>Setup</summary>
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```python
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!pip install -qU transformers accelerate bitsandbytes
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!huggingface-cli download dfurman/Qwen2-72B-Orpo-v0.1
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```
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```python
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from transformers import AutoTokenizer, BitsAndBytesConfig
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import transformers
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import torch
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if torch.cuda.get_device_capability()[0] >= 8:
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!pip install -qqq flash-attn
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attn_implementation = "flash_attention_2"
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torch_dtype = torch.bfloat16
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else:
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attn_implementation = "eager"
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torch_dtype = torch.float16
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# quantize if necessary
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# bnb_config = BitsAndBytesConfig(
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# load_in_4bit=True,
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# bnb_4bit_quant_type="nf4",
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# bnb_4bit_compute_dtype=torch_dtype,
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# bnb_4bit_use_double_quant=True,
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# )
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model = "dfurman/Qwen2-72B-Orpo-v0.1"
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tokenizer = AutoTokenizer.from_pretrained(model)
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pipeline = transformers.pipeline(
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"text-generation",
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model=model,
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model_kwargs={
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"torch_dtype": torch_dtype,
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# "quantization_config": bnb_config,
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"device_map": "auto",
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"attn_implementation": attn_implementation,
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}
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)
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```
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</details>
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### Run
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```python
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messages = [
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{"role": "system", "content": "You are a helpful assistant."},
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{"role": "user", "content": "Tell me a recipe for a spicy margarita."},
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]
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prompt = tokenizer.apply_chat_template(messages, tokenize=False, add_generation_prompt=True)
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print("***Prompt:\n", prompt)
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outputs = pipeline(prompt, max_new_tokens=1000, do_sample=True, temperature=0.7, top_k=50, top_p=0.95)
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print("***Generation:\n", outputs[0]["generated_text"][len(prompt):])
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```
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<details>
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<summary>Output</summary>
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</details>
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