/*** * 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% = 2.75 % // MAE = 225 // WCE% = 11.49 % // WCE = 941 // WCRE% = 300.00 % // EP% = 96.39 % // MRE% = 31.14 % // MSE = 82463 // PDK45_PWR = 0.024 mW // PDK45_AREA = 85.4 um2 // PDK45_DELAY = 0.47 ns #include #include uint64_t mul8x5u_2PV(const uint64_t A /* 8-bit unsigned operand */, const uint64_t B /* 5-bit unsigned operand */) { uint64_t dout_70, dout_99, dout_113, dout_114, dout_115, dout_143, dout_145, dout_146, dout_148, dout_149, dout_150, dout_151, dout_152, dout_157, dout_158, dout_159, dout_160, dout_178, dout_181, dout_182, dout_183, dout_184, dout_186, dout_187, dout_188, dout_189, dout_190, dout_191, dout_192, dout_193, dout_194, dout_195, dout_196, dout_197; uint64_t O; dout_70=((A >> 7)&1)&((B >> 2)&1); dout_99=((B >> 1)&1)&((A >> 6)&1); dout_113=((A >> 5)&1)&((B >> 3)&1); dout_114=((A >> 6)&1)&((B >> 3)&1); dout_115=((A >> 7)&1)&((B >> 3)&1); dout_143=dout_99|dout_114; dout_145=((A >> 6)&1)&dout_113; dout_146=dout_143^dout_113; dout_148=dout_70^dout_115; dout_149=dout_70&dout_115; dout_150=dout_148&dout_145; dout_151=dout_148^dout_145; dout_152=dout_149|dout_150; dout_157=((A >> 4)&1)&((B >> 4)&1); dout_158=((A >> 5)&1)&((B >> 4)&1); dout_159=((A >> 6)&1)&((B >> 4)&1); dout_160=((A >> 7)&1)&((B >> 4)&1); dout_178=((A >> 7)&1)^dout_157; dout_181=dout_178^((A >> 7)&1); dout_182=((B >> 4)&1)&dout_114; dout_183=dout_146^dout_158; dout_184=dout_146&dout_158; dout_186=dout_183^dout_182; dout_187=dout_184|dout_182; dout_188=dout_151^dout_159; dout_189=dout_151&dout_159; dout_190=dout_188&dout_187; dout_191=dout_188^dout_187; dout_192=dout_189|dout_190; dout_193=dout_152^dout_160; dout_194=dout_152&((B >> 4)&1); dout_195=dout_160&dout_192; dout_196=dout_193^dout_192; dout_197=dout_194|dout_195; O = 0; O |= (dout_191&1) << 0; O |= (dout_181&1) << 1; O |= (dout_194&1) << 2; O |= (dout_70&1) << 3; O |= (dout_157&1) << 4; O |= (dout_197&1) << 5; O |= (0&1) << 6; O |= (dout_157&1) << 7; O |= (dout_181&1) << 8; O |= (dout_186&1) << 9; O |= (dout_191&1) << 10; O |= (dout_196&1) << 11; O |= (dout_197&1) << 12; return O; }