There's work on replacing multiplication. Here's four examples: https://openaccess.thecvf.com/content_CVPR_2020/papers/Chen_AdderNet_Do_We_Really_Need_Multipli

There's work on replacing multiplication. Here's four examples: https://openaccess.thecvf.com/content_CVPR_2020/papers/Chen_AdderNet_Do_We_Really_Need_Multiplications_in_Deep_Learning_CVPR_2020_paper.pdf https://openaccess.thecvf.com/content_CVPR_2020/papers/Chen_... https://arxiv.org/abs/2012.03458 https://arxiv.org/abs/2012.03458 https://openaccess.thecvf.com/content/CVPR2021W/MAI/papers/Elhoushi_DeepShift_Towards_Multiplication-Less_Neural_Networks_CVPRW_2021_paper.pdf https://openaccess.thecvf.com/content/CVPR2021W/MAI/papers/E... https://arxiv.org/pdf/2106.10860 https://arxiv.org/pdf/2106.10860