/*** * 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 wce parameters ***/ // MAE% = 9.08 % // MAE = 372 // WCE% = 34.11 % // WCE = 1397 // WCRE% = 234.38 % // EP% = 93.33 % // MRE% = 67.10 % // MSE = 230371 // PDK45_PWR = 0.0006 mW // PDK45_AREA = 4.7 um2 // PDK45_DELAY = 0.04 ns #include #include uint64_t mul8x4u_04E(const uint64_t A /* 8-bit unsigned operand */, const uint64_t B /* 4-bit unsigned operand */) { uint64_t dout_26, dout_43; uint64_t O; dout_26=((A >> 6)&1)&((B >> 2)&1); dout_43=((A >> 7)&1)&((B >> 3)&1); O = 0; O |= (0&1) << 0; O |= (0&1) << 1; O |= (0&1) << 2; O |= (dout_26&1) << 3; O |= (dout_26&1) << 4; O |= (0&1) << 5; O |= (dout_26&1) << 6; O |= (0&1) << 7; O |= (dout_26&1) << 8; O |= (dout_26&1) << 9; O |= (0&1) << 10; O |= (dout_43&1) << 11; return O; }