Opt-GPTQ: An Optimized GPTQ Combining Sparse Attention and Quantization Techniques. - Jie Kong; Junxiang Zhang; Jiheng Xu; Yalong Li 007; Shouhua Zhang; Jiehan Zhou; Yuhai Liu; Peng Liang 030; Quan Zhang; Luohan Jiang (CoRR, 2025)