ShiftAddLLM: Accelerating Pretrained LLMs via Post-Training Multiplication-Less Reparameterization - You, Haoran; Guo, Yipin; Fu, Yichao; Zhou, Wei; Shi, Huihong; Zhang, Xiaofan; Kundu, Souvik; Yazdanbakhsh, Amir; Lin, Yingyan (Celine) (Advances in Neural Information Processing Systems, 2024)