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Update README.md

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@@ -125,7 +125,7 @@ from transformers import AutoModelForCausalLM, AutoTokenizer, TorchAoConfig
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  model_id = "Qwen/Qwen3-8B"
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  from torchao.quantization import Int4WeightOnlyConfig
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- quant_config = Int4WeightOnlyConfig(group_size=128, use_hqq=True)
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  quantization_config = TorchAoConfig(quant_type=quant_config)
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  quantized_model = AutoModelForCausalLM.from_pretrained(model_id, device_map="auto", torch_dtype=torch.bfloat16, quantization_config=quantization_config)
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  tokenizer = AutoTokenizer.from_pretrained(model_id)
 
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  model_id = "Qwen/Qwen3-8B"
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  from torchao.quantization import Int4WeightOnlyConfig
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+ quant_config = Int4WeightOnlyConfig(group_size=128, int4_packing_format="tile_packed_to_4d", int4_choose_qparams_algorithm="hqq")
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  quantization_config = TorchAoConfig(quant_type=quant_config)
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  quantized_model = AutoModelForCausalLM.from_pretrained(model_id, device_map="auto", torch_dtype=torch.bfloat16, quantization_config=quantization_config)
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  tokenizer = AutoTokenizer.from_pretrained(model_id)