This project releases the Verilog codes of over 20 most representative approximate multipliers. All the multipliers were implemented with similar style to ensure fair comparison. Please feel free to contribute your implementations to further enrich this library.

If you use AM-Lib in any published research, please cite our survey paper published at ACM TODAES and the other most approporiate references: Ying Wu, Chuangtao Chen, Weihua Xiao, Xuan Wang, Chenyi Wen, Jie Han, Xunzhao Yin, Weikang Qian, and Cheng Zhuo. 2023. A Survey on Approximate Multiplier Designs for Energy Efficiency: From Algorithms to Circuits. ACM Trans. Des. Autom. Electron. Syst. Just Accepted (July 2023). https://doi.org/10.1145/3610291