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README.md
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---
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license: apache-2.0
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language:
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- en
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- zh
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base_model: tencent/WeDLM-7B
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pipeline_tag: text-generation
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tags:
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- language model
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- parallel-decoding
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- chat
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- instruct
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---
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# WeDLM-7B-Instruct
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**WeDLM-7B-Instruct** is an instruction-tuned diffusion language model that performs parallel decoding under standard causal attention, fine-tuned from [WeDLM-7B](https://huggingface.co/tencent/WeDLM-7B).
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For the base (pretrained) version, see [WeDLM-7B](https://huggingface.co/tencent/WeDLM-7B).
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📄 Paper (Coming Soon) | 🌐 [Project Page](https://wedlm.github.io) | 💻 [GitHub](https://github.com/tencent/WeDLM)
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## Model Details
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| Attribute | Value |
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|:----------|:------|
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| Base Model | [WeDLM-7B](https://huggingface.co/tencent/WeDLM-7B) |
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| Parameters | 7B |
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| Context Length | 32,768 |
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## Quick Start (Recommended)
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For **fast inference**, use the `wedlm` engine:
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```bash
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pip install git+https://github.com/tencent/WeDLM.git
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```
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```python
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from transformers import AutoTokenizer
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from wedlm import LLM, SamplingParams
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llm = LLM(model="tencent/WeDLM-7B-Instruct")
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tokenizer = AutoTokenizer.from_pretrained("tencent/WeDLM-7B-Instruct", trust_remote_code=True)
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prompt = "Explain the difference between machine learning and deep learning."
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messages = [{"role": "user", "content": prompt}]
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text = tokenizer.apply_chat_template(messages, tokenize=False, add_generation_prompt=True)
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outputs = llm.generate([text], SamplingParams(temperature=0.3, max_tokens=512))
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print(outputs[0]["text"])
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```
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### Multi-turn Conversation
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```python
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messages = [
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{"role": "user", "content": "What is Python?"},
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{"role": "assistant", "content": "Python is a high-level programming language known for its simplicity and readability."},
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{"role": "user", "content": "Show me a hello world example."}
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]
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text = tokenizer.apply_chat_template(messages, tokenize=False, add_generation_prompt=True)
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outputs = llm.generate([text], SamplingParams(temperature=0.3, max_tokens=256))
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```
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## HuggingFace Transformers
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For **training** or simple forward passes:
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```python
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from transformers import AutoTokenizer, AutoModelForCausalLM
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tokenizer = AutoTokenizer.from_pretrained("tencent/WeDLM-7B-Instruct", trust_remote_code=True)
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model = AutoModelForCausalLM.from_pretrained(
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"tencent/WeDLM-7B-Instruct",
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trust_remote_code=True,
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torch_dtype="auto",
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device_map="auto"
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)
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messages = [{"role": "user", "content": "Hello!"}]
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text = tokenizer.apply_chat_template(messages, tokenize=False, add_generation_prompt=True)
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inputs = tokenizer(text, return_tensors="pt").to(model.device)
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outputs = model(**inputs)
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```
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> ⚠️ **Note:** The HuggingFace interface is for training/forward pass convenience. For optimized inference throughput, use the `wedlm` engine above.
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## Performance
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| Benchmark | Qwen2.5-7B-Instruct | WeDLM-7B-Instruct |
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|:----------|:-------------------:|:-----------------:|
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| ARC-C (0-shot) | 86.09 | 89.59 |
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| GSM8K (3-shot) | 89.91 | 87.57 |
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| MATH (4-shot) | 45.00 | 55.40 |
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| HumanEval (4-shot) | 76.22 | 75.00 |
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| MMLU (5-shot) | 71.98 | 70.52 |
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## Citation (Coming soon)
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## License
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Apache 2.0
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