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  • Base model: meta-llama/Llama-2-70b-hf
  • Quantization method: BlockLDLQ with GuidedQuant Hessian
  • Target bit-width: 2
  • Backend kernel: QTIP kernel (HYB variant)
  • Calibration data: RedPajama (1024 sentences / 4096 tokens)
  • Calibration objective: Next-token prediction
  • num_groups (for GuidedQuant Hessian): 2

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