/*** * 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% = 2.42 % // MAE = 397 // WCE% = 9.94 % // WCE = 1629 // WCRE% = 101.56 % // EP% = 97.92 % // MRE% = 29.00 % // MSE = 242086 // PDK45_PWR = 0.032 mW // PDK45_AREA = 116.4 um2 // PDK45_DELAY = 0.57 ns #include #include uint64_t mul8x6u_159(const uint64_t A /* 8-bit unsigned operand */, const uint64_t B /* 6-bit unsigned operand */) { uint64_t dout_51, dout_93, dout_94, dout_125, dout_126, dout_135, dout_136, dout_137, dout_168, dout_169, dout_171, dout_172, dout_178, dout_179, dout_180, dout_202, dout_206, dout_207, dout_208, dout_209, dout_210, dout_211, dout_212, dout_213, dout_214, dout_215, dout_224, dout_225, dout_226, dout_227, dout_228, dout_229, dout_239, dout_240, dout_241, dout_243, dout_261, dout_265, dout_269, dout_270, dout_271, dout_272, dout_275, dout_276; uint64_t O; dout_51=((A >> 7)&1)&((B >> 2)&1); dout_93=((A >> 6)&1)&((B >> 3)&1); dout_94=((A >> 7)&1)&((B >> 3)&1); dout_125=dout_51|dout_93; dout_126=dout_51&dout_93; dout_135=((A >> 5)&1)&((B >> 4)&1); dout_136=((A >> 6)&1)&((B >> 4)&1); dout_137=((A >> 7)&1)&((B >> 4)&1); dout_168=dout_94^dout_136; dout_169=dout_94&dout_136; dout_171=dout_168|dout_126; dout_172=dout_169|dout_126; dout_178=((A >> 5)&1)&((B >> 5)&1); dout_179=((A >> 6)&1)&((B >> 5)&1); dout_180=((A >> 7)&1)&((B >> 5)&1); dout_202=((B >> 5)&1)&((A >> 4)&1); dout_206=dout_171^dout_178; dout_207=dout_171&dout_178; dout_208=dout_206&dout_135; dout_209=dout_206^dout_135; dout_210=dout_207|dout_208; dout_211=dout_137^dout_179; dout_212=dout_137&dout_179; dout_213=dout_211&dout_172; dout_214=dout_211^dout_172; dout_215=dout_212|dout_213; dout_224=dout_209&dout_202; dout_225=dout_209^dout_202; dout_226=dout_214&dout_210; dout_227=dout_214^dout_210; dout_228=dout_180&dout_215; dout_229=dout_180^dout_215; dout_239=dout_227^dout_224; dout_240=dout_180&dout_226; dout_241=dout_229^dout_226; dout_243=dout_224&dout_227; dout_261=dout_228|dout_240; dout_265=dout_229^0xFFFFFFFFFFFFFFFFU; dout_269=dout_243^0xFFFFFFFFFFFFFFFFU; dout_270=dout_241&dout_269; dout_271=dout_265&dout_243; dout_272=dout_270|dout_271; dout_275=((A >> 7)&1)&dout_243; dout_276=dout_261|dout_275; O = 0; O |= (dout_275&1) << 0; O |= (dout_169&1) << 1; O |= (dout_125&1) << 2; O |= (dout_225&1) << 3; O |= (dout_94&1) << 4; O |= (dout_240&1) << 5; O |= (0&1) << 6; O |= (dout_136&1) << 7; O |= (dout_136&1) << 8; O |= (dout_125&1) << 9; O |= (dout_225&1) << 10; O |= (dout_239&1) << 11; O |= (dout_272&1) << 12; O |= (dout_276&1) << 13; return O; }