/*** * 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 and Z. Vasicek, "Libraries of Approximate Circuits: Design and Application in CNN Accelerators" * This file contains a circuit from a sub-set of pareto optimal circuits with respect to the pwr and mae parameters ***/ // MAE% = 1.50 % // MAE = 15 // WCE% = 8.30 % // WCE = 85 // WCRE% = 100.00 % // EP% = 72.75 % // MRE% = 21.82 % // MSE = 528 // PDK45_PWR = 0.0075 mW // PDK45_AREA = 38.5 um2 // PDK45_DELAY = 0.25 ns #include #include uint64_t mul8x2u_16M(const uint64_t A,const uint64_t B) { uint64_t dout_16, dout_17, dout_21, dout_23, dout_24, dout_25, dout_26, dout_36, dout_37, dout_38, dout_39, dout_50, dout_51, dout_52, dout_64; uint64_t O; dout_16=((A >> 6)&1)&((B >> 0)&1); dout_17=((A >> 7)&1)&((B >> 0)&1); dout_21=((A >> 4)&1)&((B >> 1)&1); dout_23=((A >> 5)&1)&((B >> 1)&1); dout_24=((A >> 6)&1)&((B >> 1)&1); dout_25=((A >> 7)&1)&((B >> 1)&1); dout_26=dout_17&((A >> 7)&1); dout_36=dout_16|dout_23; dout_37=dout_16&dout_23; dout_38=dout_17^dout_24; dout_39=dout_17&dout_24; dout_50=dout_38^dout_37; dout_51=dout_38&dout_37; dout_52=dout_25^dout_39; dout_64=dout_52|dout_51; O = 0; O |= (0&1) << 0; O |= (dout_50&1) << 1; O |= (dout_50&1) << 2; O |= (dout_21&1) << 3; O |= (dout_26&1) << 4; O |= (dout_21&1) << 5; O |= (dout_36&1) << 6; O |= (dout_50&1) << 7; O |= (dout_64&1) << 8; O |= (dout_39&1) << 9; return O; }