/*** * 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, L. Sekanina, Z. Vasicek "Libraries of Approximate Circuits: Automated Design and Application in CNN Accelerators" IEEE Journal on Emerging and Selected Topics in Circuits and Systems, Vol 10, No 4, 2020 * This file contains a circuit from a sub-set of pareto optimal circuits with respect to the pwr and mae parameters ***/ // MAE% = 8.28 % // MAE = 21 // WCE% = 26.17 % // WCE = 67 // WCRE% = 6300.00 % // EP% = 98.49 % // MRE% = 56.09 % // MSE = 672 // PDK45_PWR = 0.0042 mW // PDK45_AREA = 11.7 um2 // PDK45_DELAY = 0.13 ns #include #include uint64_t add8se_8S7(const uint64_t B,const uint64_t A) { uint64_t dout_46, dout_48, dout_49, dout_50, dout_51, dout_52, dout_53, dout_54; uint64_t O; dout_46=((A >> 6)&1)^0xFFFFFFFFFFFFFFFFU; dout_48=((A >> 7)&1)^((B >> 7)&1); dout_49=((A >> 7)&1)&((B >> 7)&1); dout_50=dout_48&((A >> 6)&1); dout_51=dout_48^((A >> 6)&1); dout_52=dout_49|dout_50; dout_53=((A >> 7)&1)^((B >> 7)&1); dout_54=dout_53^dout_52; O = 0; O |= (dout_54&1) << 0; O |= (dout_51&1) << 1; O |= (((B >> 6)&1)&1) << 2; O |= (((A >> 4)&1)&1) << 3; O |= (((B >> 6)&1)&1) << 4; O |= (((B >> 6)&1)&1) << 5; O |= (dout_46&1) << 6; O |= (dout_51&1) << 7; O |= (dout_54&1) << 8; return O; }