/*** * 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 mre parameters ***/ // MAE% = 9.00 % // MAE = 46 // WCE% = 29.10 % // WCE = 149 // WCRE% = 6400.00 % // EP% = 99.33 % // MRE% = 22.62 % // MSE = 3188 // PDK45_PWR = 0.0015 mW // PDK45_AREA = 8.0 um2 // PDK45_DELAY = 0.11 ns #include #include uint64_t add8u_0JM(uint64_t a, uint64_t b) { int wa[8]; int wb[8]; uint64_t y = 0; wa[0] = (a >> 0) & 0x01; wb[0] = (b >> 0) & 0x01; wa[1] = (a >> 1) & 0x01; wb[1] = (b >> 1) & 0x01; wa[2] = (a >> 2) & 0x01; wb[2] = (b >> 2) & 0x01; wa[3] = (a >> 3) & 0x01; wb[3] = (b >> 3) & 0x01; wa[4] = (a >> 4) & 0x01; wb[4] = (b >> 4) & 0x01; wa[5] = (a >> 5) & 0x01; wb[5] = (b >> 5) & 0x01; wa[6] = (a >> 6) & 0x01; wb[6] = (b >> 6) & 0x01; wa[7] = (a >> 7) & 0x01; wb[7] = (b >> 7) & 0x01; int sig_18 = wb[7] ^ wa[7]; int sig_25 = ~((int)0); int sig_26 = 0; int sig_31 = ~((int)0); int sig_42 = wa[7] & wb[7]; y |= (sig_31 & 0x01) << 0; // default output y |= (wb[6] & 0x01) << 1; // default output y |= (wb[1] & 0x01) << 2; // default output y |= (sig_26 & 0x01) << 3; // default output y |= (wa[2] & 0x01) << 4; // default output y |= (wb[6] & 0x01) << 5; // default output y |= (sig_25 & 0x01) << 6; // default output y |= (sig_18 & 0x01) << 7; // default output y |= (sig_42 & 0x01) << 8; // default output return y; }