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--- |
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library_name: transformers |
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license: apache-2.0 |
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base_model: Qwen/Qwen2.5-Coder-7B-Instruct |
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--- |
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```python |
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from transformers import AutoTokenizer, AutoModelForCausalLM |
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from datasets import load_dataset |
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from llmcompressor import oneshot |
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from llmcompressor.modifiers.quantization import GPTQModifier |
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from llmcompressor.modifiers.smoothquant import SmoothQuantModifier |
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model_id = "Qwen/Qwen2.5-Coder-7B-Instruct" |
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model_out = "Qwen2.5-Coder-7B-Instruct.w8a8" |
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num_samples = 128 |
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max_seq_len = 4096 |
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tokenizer = AutoTokenizer.from_pretrained(model_id) |
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def preprocess_fn(example): |
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return {"text": tokenizer.apply_chat_template(example["messages"], add_generation_prompt=False, tokenize=False)} |
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ds = load_dataset("neuralmagic/LLM_compression_calibration", split="train") |
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ds = ds.shuffle().select(range(num_samples)) |
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ds = ds.map(preprocess_fn) |
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recipe = [ |
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SmoothQuantModifier( |
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smoothing_strength=0.7, |
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mappings=[ |
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[["re:.*q_proj", "re:.*k_proj", "re:.*v_proj"], "re:.*input_layernorm"], |
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[["re:.*gate_proj", "re:.*up_proj"], "re:.*post_attention_layernorm"], |
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[["re:.*down_proj"], "re:.*up_proj"], |
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], |
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), |
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GPTQModifier( |
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sequential=True, |
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targets="Linear", |
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scheme="W8A8", |
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ignore=["lm_head"], |
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dampening_frac=0.01, |
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) |
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] |
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model = AutoModelForCausalLM.from_pretrained( |
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model_id, |
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device_map="auto", |
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torch_dtype="bfloat16", |
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) |
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oneshot( |
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model=model, |
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dataset=ds, |
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recipe=recipe, |
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max_seq_length=max_seq_len, |
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num_calibration_samples=num_samples, |
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) |
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model.save_pretrained(model_out) |
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``` |
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