/*** * 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, R. Hrbacek, Z. Vasicek and L. Sekanina, "EvoApprox8b: Library of approximate adders and multipliers for circuit design and benchmarking of approximation methods". Design, Automation & Test in Europe Conference & Exhibition (DATE), 2017, Lausanne, 2017, pp. 258-261. doi: 10.23919/DATE.2017.7926993 * This file contains a circuit from a sub-set of pareto optimal circuits with respect to the pwr and mae parameters ***/ // MAE% = 0.24 % // MAE = 157 // WCE% = 1.19 % // WCE = 782 // WCRE% = 800.00 % // EP% = 94.98 % // MRE% = 4.52 % // MSE = 39812 // PDK45_PWR = 0.178 mW // PDK45_AREA = 355.7 um2 // PDK45_DELAY = 1.11 ns module mul8u_L93 ( A, B, O ); input [7:0] A; input [7:0] B; output [15:0] O; wire sig_16,sig_18,sig_23,sig_43,sig_45,sig_46,sig_53,sig_54,sig_87,sig_88,sig_89,sig_95,sig_96,sig_127,sig_128,sig_129,sig_130,sig_131,sig_133,sig_136; wire sig_137,sig_138,sig_139,sig_145,sig_152,sig_160,sig_161,sig_165,sig_166,sig_167,sig_168,sig_169,sig_170,sig_171,sig_172,sig_173,sig_174,sig_175,sig_176,sig_177; wire sig_178,sig_179,sig_180,sig_181,sig_182,sig_183,sig_184,sig_193,sig_196,sig_198,sig_199,sig_203,sig_204,sig_205,sig_206,sig_207,sig_208,sig_209,sig_210,sig_211; wire sig_212,sig_213,sig_214,sig_215,sig_216,sig_217,sig_218,sig_219,sig_220,sig_221,sig_222,sig_223,sig_224,sig_225,sig_226,sig_231,sig_236,sig_237,sig_241,sig_242; wire sig_243,sig_244,sig_245,sig_246,sig_247,sig_248,sig_249,sig_250,sig_251,sig_252,sig_253,sig_254,sig_255,sig_256,sig_257,sig_258,sig_259,sig_260,sig_261,sig_262; wire sig_263,sig_264,sig_265,sig_266,sig_267,sig_268,sig_269,sig_270,sig_272,sig_274,sig_275,sig_279,sig_280,sig_281,sig_282,sig_283,sig_284,sig_285,sig_286,sig_287; wire sig_288,sig_289,sig_290,sig_291,sig_292,sig_293,sig_294,sig_295,sig_296,sig_297,sig_298,sig_299,sig_300,sig_301,sig_302,sig_303,sig_304,sig_305,sig_306,sig_307; wire sig_308,sig_309,sig_310,sig_311,sig_312,sig_313,sig_314,sig_315,sig_316,sig_317,sig_318,sig_319,sig_320,sig_322,sig_323,sig_324,sig_325,sig_326,sig_327,sig_328; wire sig_329,sig_330,sig_331,sig_332,sig_333,sig_335,sig_336,sig_339,sig_340,sig_341,sig_344,sig_345,sig_347,sig_348,sig_349,sig_350,sig_351,sig_352,sig_353,sig_354; wire sig_355,sig_356,sig_357,sig_358,sig_361,sig_362; assign sig_16 = B[0] & A[0]; assign sig_18 = B[2] & A[0]; assign sig_23 = B[7] & A[0]; assign sig_43 = B[5] & A[3]; assign sig_45 = ~(A[2] & B[6]); assign sig_46 = B[0] & A[2]; assign sig_53 = B[7] & A[2]; assign sig_54 = sig_18 | sig_46; assign sig_87 = ~sig_45; assign sig_88 = A[1] & B[7]; assign sig_89 = B[1] & A[3]; assign sig_95 = B[6] & A[3]; assign sig_96 = B[7] & A[3]; assign sig_127 = sig_53 ^ sig_95; assign sig_128 = sig_53 & sig_95; assign sig_129 = sig_127 & sig_88; assign sig_130 = sig_127 ^ sig_88; assign sig_131 = sig_128 | sig_129; assign sig_133 = B[1] & A[4]; assign sig_136 = B[4] & A[4]; assign sig_137 = B[5] & A[4]; assign sig_138 = B[6] & A[4]; assign sig_139 = B[7] & A[4]; assign sig_145 = sig_43 | sig_133; assign sig_152 = B[3] & A[4]; assign sig_160 = sig_43 | sig_136; assign sig_161 = sig_43 & sig_136; assign sig_165 = sig_130 ^ sig_137; assign sig_166 = sig_130 & sig_137; assign sig_167 = sig_165 & sig_87; assign sig_168 = sig_165 ^ sig_87; assign sig_169 = sig_166 | sig_167; assign sig_170 = sig_96 ^ sig_138; assign sig_171 = sig_96 & sig_138; assign sig_172 = sig_170 & sig_131; assign sig_173 = sig_170 ^ sig_131; assign sig_174 = sig_171 | sig_172; assign sig_175 = B[0] & A[5]; assign sig_176 = B[1] & A[5]; assign sig_177 = B[2] & A[5]; assign sig_178 = B[3] & A[5]; assign sig_179 = B[4] & A[5]; assign sig_180 = B[5] & A[5]; assign sig_181 = B[6] & A[5]; assign sig_182 = B[7] & A[5]; assign sig_183 = sig_145 | sig_175; assign sig_184 = A[3] & B[4]; assign sig_193 = sig_23 | sig_177; assign sig_196 = sig_193 | sig_152; assign sig_198 = sig_160 | sig_178; assign sig_199 = sig_160 & sig_178; assign sig_203 = sig_168 ^ sig_179; assign sig_204 = sig_168 & sig_179; assign sig_205 = sig_203 & sig_161; assign sig_206 = sig_203 ^ sig_161; assign sig_207 = sig_204 | sig_205; assign sig_208 = sig_173 ^ sig_180; assign sig_209 = sig_173 & sig_180; assign sig_210 = sig_208 & sig_169; assign sig_211 = sig_208 ^ sig_169; assign sig_212 = sig_209 | sig_210; assign sig_213 = sig_139 ^ sig_181; assign sig_214 = sig_139 & sig_181; assign sig_215 = sig_213 & sig_174; assign sig_216 = sig_213 ^ sig_174; assign sig_217 = sig_214 | sig_215; assign sig_218 = B[0] & A[6]; assign sig_219 = B[1] & A[6]; assign sig_220 = B[2] & A[6]; assign sig_221 = B[3] & A[6]; assign sig_222 = B[4] & A[6]; assign sig_223 = B[5] & A[6]; assign sig_224 = B[6] & A[6]; assign sig_225 = B[7] & A[6]; assign sig_226 = sig_176 | sig_218; assign sig_231 = sig_196 | sig_219; assign sig_236 = sig_198 ^ sig_220; assign sig_237 = sig_198 & sig_220; assign sig_241 = sig_206 ^ sig_221; assign sig_242 = sig_206 & sig_221; assign sig_243 = sig_241 & sig_199; assign sig_244 = sig_241 ^ sig_199; assign sig_245 = sig_242 | sig_243; assign sig_246 = sig_211 ^ sig_222; assign sig_247 = sig_211 & sig_222; assign sig_248 = sig_246 & sig_207; assign sig_249 = sig_246 ^ sig_207; assign sig_250 = sig_247 | sig_248; assign sig_251 = sig_216 ^ sig_223; assign sig_252 = sig_216 & sig_223; assign sig_253 = sig_251 & sig_212; assign sig_254 = sig_251 ^ sig_212; assign sig_255 = sig_252 | sig_253; assign sig_256 = sig_182 ^ sig_224; assign sig_257 = sig_182 & sig_224; assign sig_258 = sig_256 & sig_217; assign sig_259 = sig_256 ^ sig_217; assign sig_260 = sig_257 | sig_258; assign sig_261 = B[0] & A[7]; assign sig_262 = B[1] & A[7]; assign sig_263 = B[2] & A[7]; assign sig_264 = B[3] & A[7]; assign sig_265 = B[4] & A[7]; assign sig_266 = B[5] & A[7]; assign sig_267 = B[6] & A[7]; assign sig_268 = B[7] & A[7]; assign sig_269 = sig_231 ^ sig_261; assign sig_270 = sig_231 & sig_261; assign sig_272 = sig_269 | sig_184; assign sig_274 = sig_236 ^ sig_262; assign sig_275 = sig_236 & sig_262; assign sig_279 = sig_244 ^ sig_263; assign sig_280 = sig_244 & sig_263; assign sig_281 = sig_279 & sig_237; assign sig_282 = sig_279 ^ sig_237; assign sig_283 = sig_280 | sig_281; assign sig_284 = sig_249 ^ sig_264; assign sig_285 = sig_249 & sig_264; assign sig_286 = sig_284 & sig_245; assign sig_287 = sig_284 ^ sig_245; assign sig_288 = sig_285 | sig_286; assign sig_289 = sig_254 ^ sig_265; assign sig_290 = sig_254 & sig_265; assign sig_291 = sig_289 & sig_250; assign sig_292 = sig_289 ^ sig_250; assign sig_293 = sig_290 | sig_291; assign sig_294 = sig_259 ^ sig_266; assign sig_295 = sig_259 & sig_266; assign sig_296 = sig_294 & sig_255; assign sig_297 = sig_294 ^ sig_255; assign sig_298 = sig_295 | sig_296; assign sig_299 = sig_225 ^ sig_267; assign sig_300 = sig_225 & sig_267; assign sig_301 = sig_299 & sig_260; assign sig_302 = sig_299 ^ sig_260; assign sig_303 = sig_300 | sig_301; assign sig_304 = sig_274 ^ sig_270; assign sig_305 = sig_274 & sig_270; assign sig_306 = sig_282 ^ sig_275; assign sig_307 = sig_282 & sig_275; assign sig_308 = sig_282 & sig_305; assign sig_309 = sig_306 ^ sig_305; assign sig_310 = sig_307 | sig_308; assign sig_311 = sig_287 ^ sig_283; assign sig_312 = sig_287 & sig_283; assign sig_313 = sig_311 & sig_310; assign sig_314 = sig_311 ^ sig_310; assign sig_315 = sig_312 | sig_313; assign sig_316 = sig_292 ^ sig_288; assign sig_317 = sig_292 & sig_288; assign sig_318 = sig_316 & sig_315; assign sig_319 = sig_316 ^ sig_315; assign sig_320 = sig_317 | sig_318; assign sig_322 = sig_297 & sig_293; assign sig_323 = sig_302 ^ sig_298; assign sig_324 = sig_302 & sig_298; assign sig_325 = sig_323 & sig_322; assign sig_326 = sig_323 ^ sig_322; assign sig_327 = sig_324 | sig_325; assign sig_328 = sig_268 ^ sig_303; assign sig_329 = sig_268 & sig_303; assign sig_330 = sig_328 & sig_327; assign sig_331 = sig_328 ^ sig_327; assign sig_332 = sig_329 | sig_330; assign sig_333 = sig_297 ^ sig_293; assign sig_335 = ~sig_333; assign sig_336 = sig_322 | sig_333; assign sig_339 = sig_323 & sig_336; assign sig_340 = sig_323 ^ sig_336; assign sig_341 = sig_327 | sig_339; assign sig_344 = sig_328 & sig_339; assign sig_345 = sig_328 ^ sig_341; assign sig_347 = ~sig_320; assign sig_348 = sig_333 & sig_347; assign sig_349 = sig_335 & sig_320; assign sig_350 = sig_348 | sig_349; assign sig_351 = ~sig_320; assign sig_352 = sig_326 & sig_351; assign sig_353 = sig_340 & sig_320; assign sig_354 = sig_352 | sig_353; assign sig_355 = ~sig_320; assign sig_356 = sig_331 & sig_355; assign sig_357 = sig_345 & sig_320; assign sig_358 = sig_356 | sig_357; assign sig_361 = sig_344 & sig_320; assign sig_362 = sig_332 | sig_361; assign O[15] = sig_362; assign O[14] = sig_358; assign O[13] = sig_354; assign O[12] = sig_350; assign O[11] = sig_319; assign O[10] = sig_314; assign O[9] = sig_309; assign O[8] = sig_304; assign O[7] = sig_272; assign O[6] = sig_226; assign O[5] = sig_183; assign O[4] = sig_89; assign O[3] = sig_16; assign O[2] = sig_54; assign O[1] = 1'b0; assign O[0] = sig_16; endmodule