/*** * This code is a part of EvoApproxLib library (ehw.fit.vutbr.cz/approxlib) distributed under The MIT License. * When used, please cite the following article(s): V. MRAZEK. Optimization of BDD-based Approximation Error Metrics Calculations. In: IEEE Computer Society Annual Symposium on VLSI (ISVLSI '22). Paphos: Institute of Electrical and Electronics Engineers, 2022, pp. 86-91. ISBN 978-1-6654-6605-9. * This file contains a circuit from a sub-set of pareto optimal circuits with respect to the pwr and mae parameters ***/ // MAE% = 1.97 % // MAE = 10 // WCE% = 6.25 % // WCE = 32 // WCRE% = 3100.00 % // EP% = 96.97 % // MRE% = 6.16 % // MSE = 154 // PDK45_PWR = 0.0095 mW // PDK45_AREA = 25.8 um2 // PDK45_DELAY = 0.24 ns module add8u_0TP(A, B, O); input [7:0] A, B; output [8:0] O; wire sig_42, sig_43, sig_44, sig_45, sig_47, sig_48; wire sig_49, sig_50; assign O[2] = 1'b0; assign O[5] = !(A[5] ^ B[5]); assign sig_42 = B[5] | A[5]; assign sig_43 = A[6] ^ B[6]; assign sig_44 = A[6] & B[6]; assign sig_45 = sig_43 & sig_42; assign O[6] = sig_43 ^ sig_42; assign sig_47 = sig_44 | sig_45; assign sig_48 = A[7] ^ B[7]; assign sig_49 = A[7] & B[7]; assign sig_50 = sig_48 & sig_47; assign O[7] = sig_48 ^ sig_47; assign O[8] = sig_49 | sig_50; assign O[0] = B[3]; assign O[1] = A[4]; assign O[3] = A[4]; assign O[4] = O[2]; endmodule