# Effective Qwen2.5-0.5B-Instruct UltraChat AutoRound recipe decoder_autoround: method: AutoRound targets: Linear excluding lm_head iters: 200 batch_size: 1 weights: {num_bits: 4, type: int, symmetric: true, strategy: group, group_size: 128} calibration: dataset: HuggingFaceH4/ultrachat_200k split: train_sft[:512] preprocessing: tokenizer.apply_chat_template(messages), deterministic packed full-token spans; add_special_tokens=false samples: 512 sequence_length: 1024 shuffle: false lm_head_gptq: method: GPTQ target: lm_head block_size: 128 dampening_frac: 0.01 actorder: static weights: {num_bits: 4, type: int, symmetric: true, strategy: group, group_size: 128} decoder_target_count: 168