/*** * 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 ep parameters ***/ // MAE% = 0.00 % // MAE = 0 // WCE% = 0.00 % // WCE = 0 // WCRE% = 0.00 % // EP% = 0.00 % // MRE% = 0.00 % // MSE = 0 // PDK45_PWR = 0.391 mW // PDK45_AREA = 709.6 um2 // PDK45_DELAY = 1.43 ns module mul8u_1JJQ(A, B, O); input [7:0] A; input [7:0] B; output [15:0] O; wire [2031:0] N; assign N[0] = A[0]; assign N[1] = A[0]; assign N[2] = A[1]; assign N[3] = A[1]; assign N[4] = A[2]; assign N[5] = A[2]; assign N[6] = A[3]; assign N[7] = A[3]; assign N[8] = A[4]; assign N[9] = A[4]; assign N[10] = A[5]; assign N[11] = A[5]; assign N[12] = A[6]; assign N[13] = A[6]; assign N[14] = A[7]; assign N[15] = A[7]; assign N[16] = B[0]; assign N[17] = B[0]; assign N[18] = B[1]; assign N[19] = B[1]; assign N[20] = B[2]; assign N[21] = B[2]; assign N[22] = B[3]; assign N[23] = B[3]; assign N[24] = B[4]; assign N[25] = B[4]; assign N[26] = B[5]; assign N[27] = B[5]; assign N[28] = B[6]; assign N[29] = B[6]; assign N[30] = B[7]; assign N[31] = B[7]; PDKGENAND2X1 n32(.A(N[0]), .B(N[16]), .Y(N[32])); PDKGENAND2X1 n34(.A(N[2]), .B(N[16]), .Y(N[34])); PDKGENAND2X1 n36(.A(N[4]), .B(N[16]), .Y(N[36])); PDKGENAND2X1 n38(.A(N[6]), .B(N[16]), .Y(N[38])); PDKGENAND2X1 n40(.A(N[8]), .B(N[16]), .Y(N[40])); PDKGENAND2X1 n42(.A(N[10]), .B(N[16]), .Y(N[42])); PDKGENAND2X1 n44(.A(N[12]), .B(N[16]), .Y(N[44])); PDKGENAND2X1 n46(.A(N[14]), .B(N[16]), .Y(N[46])); PDKGENAND2X1 n48(.A(N[0]), .B(N[18]), .Y(N[48])); PDKGENAND2X1 n50(.A(N[2]), .B(N[18]), .Y(N[50])); PDKGENAND2X1 n52(.A(N[4]), .B(N[18]), .Y(N[52])); PDKGENAND2X1 n54(.A(N[6]), .B(N[18]), .Y(N[54])); PDKGENAND2X1 n56(.A(N[8]), .B(N[18]), .Y(N[56])); PDKGENAND2X1 n58(.A(N[10]), .B(N[18]), .Y(N[58])); PDKGENAND2X1 n60(.A(N[12]), .B(N[18]), .Y(N[60])); PDKGENAND2X1 n62(.A(N[14]), .B(N[18]), .Y(N[62])); PDKGENHAX1 n64(.A(N[34]), .B(N[48]), .YS(N[64]), .YC(N[65])); PDKGENHAX1 n66(.A(N[36]), .B(N[50]), .YS(N[66]), .YC(N[67])); PDKGENHAX1 n68(.A(N[38]), .B(N[52]), .YS(N[68]), .YC(N[69])); PDKGENHAX1 n70(.A(N[40]), .B(N[54]), .YS(N[70]), .YC(N[71])); PDKGENHAX1 n72(.A(N[42]), .B(N[56]), .YS(N[72]), .YC(N[73])); PDKGENHAX1 n74(.A(N[44]), .B(N[58]), .YS(N[74]), .YC(N[75])); PDKGENHAX1 n76(.A(N[46]), .B(N[60]), .YS(N[76]), .YC(N[77])); PDKGENAND2X1 n78(.A(N[0]), .B(N[20]), .Y(N[78])); PDKGENAND2X1 n80(.A(N[2]), .B(N[20]), .Y(N[80])); PDKGENAND2X1 n82(.A(N[4]), .B(N[20]), .Y(N[82])); PDKGENAND2X1 n84(.A(N[6]), .B(N[20]), .Y(N[84])); PDKGENAND2X1 n86(.A(N[8]), .B(N[20]), .Y(N[86])); PDKGENAND2X1 n88(.A(N[10]), .B(N[20]), .Y(N[88])); PDKGENAND2X1 n90(.A(N[12]), .B(N[20]), .Y(N[90])); PDKGENAND2X1 n92(.A(N[14]), .B(N[20]), .Y(N[92])); PDKGENFAX1 n94(.A(N[66]), .B(N[78]), .C(N[65]), .YS(N[94]), .YC(N[95])); PDKGENFAX1 n96(.A(N[68]), .B(N[80]), .C(N[67]), .YS(N[96]), .YC(N[97])); PDKGENFAX1 n98(.A(N[70]), .B(N[82]), .C(N[69]), .YS(N[98]), .YC(N[99])); PDKGENFAX1 n100(.A(N[72]), .B(N[84]), .C(N[71]), .YS(N[100]), .YC(N[101])); PDKGENFAX1 n102(.A(N[74]), .B(N[86]), .C(N[73]), .YS(N[102]), .YC(N[103])); PDKGENFAX1 n104(.A(N[76]), .B(N[88]), .C(N[75]), .YS(N[104]), .YC(N[105])); PDKGENFAX1 n106(.A(N[62]), .B(N[90]), .C(N[77]), .YS(N[106]), .YC(N[107])); PDKGENAND2X1 n108(.A(N[0]), .B(N[22]), .Y(N[108])); PDKGENAND2X1 n110(.A(N[2]), .B(N[22]), .Y(N[110])); PDKGENAND2X1 n112(.A(N[4]), .B(N[22]), .Y(N[112])); PDKGENAND2X1 n114(.A(N[6]), .B(N[22]), .Y(N[114])); PDKGENAND2X1 n116(.A(N[8]), .B(N[22]), .Y(N[116])); PDKGENAND2X1 n118(.A(N[10]), .B(N[22]), .Y(N[118])); PDKGENAND2X1 n120(.A(N[12]), .B(N[22]), .Y(N[120])); PDKGENAND2X1 n122(.A(N[14]), .B(N[22]), .Y(N[122])); PDKGENFAX1 n124(.A(N[96]), .B(N[108]), .C(N[95]), .YS(N[124]), .YC(N[125])); PDKGENFAX1 n126(.A(N[98]), .B(N[110]), .C(N[97]), .YS(N[126]), .YC(N[127])); PDKGENFAX1 n128(.A(N[100]), .B(N[112]), .C(N[99]), .YS(N[128]), .YC(N[129])); PDKGENFAX1 n130(.A(N[102]), .B(N[114]), .C(N[101]), .YS(N[130]), .YC(N[131])); PDKGENFAX1 n132(.A(N[104]), .B(N[116]), .C(N[103]), .YS(N[132]), .YC(N[133])); PDKGENFAX1 n134(.A(N[106]), .B(N[118]), .C(N[105]), .YS(N[134]), .YC(N[135])); PDKGENFAX1 n136(.A(N[92]), .B(N[120]), .C(N[107]), .YS(N[136]), .YC(N[137])); PDKGENAND2X1 n138(.A(N[0]), .B(N[24]), .Y(N[138])); PDKGENAND2X1 n140(.A(N[2]), .B(N[24]), .Y(N[140])); PDKGENAND2X1 n142(.A(N[4]), .B(N[24]), .Y(N[142])); PDKGENAND2X1 n144(.A(N[6]), .B(N[24]), .Y(N[144])); PDKGENAND2X1 n146(.A(N[8]), .B(N[24]), .Y(N[146])); PDKGENAND2X1 n148(.A(N[10]), .B(N[24]), .Y(N[148])); PDKGENAND2X1 n150(.A(N[12]), .B(N[24]), .Y(N[150])); PDKGENAND2X1 n152(.A(N[14]), .B(N[24]), .Y(N[152])); PDKGENFAX1 n154(.A(N[126]), .B(N[138]), .C(N[125]), .YS(N[154]), .YC(N[155])); PDKGENFAX1 n156(.A(N[128]), .B(N[140]), .C(N[127]), .YS(N[156]), .YC(N[157])); PDKGENFAX1 n158(.A(N[130]), .B(N[142]), .C(N[129]), .YS(N[158]), .YC(N[159])); PDKGENFAX1 n160(.A(N[132]), .B(N[144]), .C(N[131]), .YS(N[160]), .YC(N[161])); PDKGENFAX1 n162(.A(N[134]), .B(N[146]), .C(N[133]), .YS(N[162]), .YC(N[163])); PDKGENFAX1 n164(.A(N[136]), .B(N[148]), .C(N[135]), .YS(N[164]), .YC(N[165])); PDKGENFAX1 n166(.A(N[122]), .B(N[150]), .C(N[137]), .YS(N[166]), .YC(N[167])); PDKGENAND2X1 n168(.A(N[0]), .B(N[26]), .Y(N[168])); PDKGENAND2X1 n170(.A(N[2]), .B(N[26]), .Y(N[170])); PDKGENAND2X1 n172(.A(N[4]), .B(N[26]), .Y(N[172])); PDKGENAND2X1 n174(.A(N[6]), .B(N[26]), .Y(N[174])); PDKGENAND2X1 n176(.A(N[8]), .B(N[26]), .Y(N[176])); PDKGENAND2X1 n178(.A(N[10]), .B(N[26]), .Y(N[178])); PDKGENAND2X1 n180(.A(N[12]), .B(N[26]), .Y(N[180])); PDKGENAND2X1 n182(.A(N[14]), .B(N[26]), .Y(N[182])); PDKGENFAX1 n184(.A(N[156]), .B(N[168]), .C(N[155]), .YS(N[184]), .YC(N[185])); PDKGENFAX1 n186(.A(N[158]), .B(N[170]), .C(N[157]), .YS(N[186]), .YC(N[187])); PDKGENFAX1 n188(.A(N[160]), .B(N[172]), .C(N[159]), .YS(N[188]), .YC(N[189])); PDKGENFAX1 n190(.A(N[162]), .B(N[174]), .C(N[161]), .YS(N[190]), .YC(N[191])); PDKGENFAX1 n192(.A(N[164]), .B(N[176]), .C(N[163]), .YS(N[192]), .YC(N[193])); PDKGENFAX1 n194(.A(N[166]), .B(N[178]), .C(N[165]), .YS(N[194]), .YC(N[195])); PDKGENFAX1 n196(.A(N[152]), .B(N[180]), .C(N[167]), .YS(N[196]), .YC(N[197])); PDKGENAND2X1 n198(.A(N[0]), .B(N[28]), .Y(N[198])); PDKGENAND2X1 n200(.A(N[2]), .B(N[28]), .Y(N[200])); PDKGENAND2X1 n202(.A(N[4]), .B(N[28]), .Y(N[202])); PDKGENAND2X1 n204(.A(N[6]), .B(N[28]), .Y(N[204])); PDKGENAND2X1 n206(.A(N[8]), .B(N[28]), .Y(N[206])); PDKGENAND2X1 n208(.A(N[10]), .B(N[28]), .Y(N[208])); PDKGENAND2X1 n210(.A(N[12]), .B(N[28]), .Y(N[210])); PDKGENAND2X1 n212(.A(N[14]), .B(N[28]), .Y(N[212])); PDKGENFAX1 n214(.A(N[186]), .B(N[198]), .C(N[185]), .YS(N[214]), .YC(N[215])); PDKGENFAX1 n216(.A(N[188]), .B(N[200]), .C(N[187]), .YS(N[216]), .YC(N[217])); PDKGENFAX1 n218(.A(N[190]), .B(N[202]), .C(N[189]), .YS(N[218]), .YC(N[219])); PDKGENFAX1 n220(.A(N[192]), .B(N[204]), .C(N[191]), .YS(N[220]), .YC(N[221])); PDKGENFAX1 n222(.A(N[194]), .B(N[206]), .C(N[193]), .YS(N[222]), .YC(N[223])); PDKGENFAX1 n224(.A(N[196]), .B(N[208]), .C(N[195]), .YS(N[224]), .YC(N[225])); PDKGENFAX1 n226(.A(N[182]), .B(N[210]), .C(N[197]), .YS(N[226]), .YC(N[227])); PDKGENAND2X1 n228(.A(N[0]), .B(N[30]), .Y(N[228])); PDKGENAND2X1 n230(.A(N[2]), .B(N[30]), .Y(N[230])); PDKGENAND2X1 n232(.A(N[4]), .B(N[30]), .Y(N[232])); PDKGENAND2X1 n234(.A(N[6]), .B(N[30]), .Y(N[234])); PDKGENAND2X1 n236(.A(N[8]), .B(N[30]), .Y(N[236])); PDKGENAND2X1 n238(.A(N[10]), .B(N[30]), .Y(N[238])); PDKGENAND2X1 n240(.A(N[12]), .B(N[30]), .Y(N[240])); PDKGENAND2X1 n242(.A(N[14]), .B(N[30]), .Y(N[242])); PDKGENFAX1 n244(.A(N[216]), .B(N[228]), .C(N[215]), .YS(N[244]), .YC(N[245])); PDKGENFAX1 n246(.A(N[218]), .B(N[230]), .C(N[217]), .YS(N[246]), .YC(N[247])); PDKGENFAX1 n248(.A(N[220]), .B(N[232]), .C(N[219]), .YS(N[248]), .YC(N[249])); PDKGENFAX1 n250(.A(N[222]), .B(N[234]), .C(N[221]), .YS(N[250]), .YC(N[251])); PDKGENFAX1 n252(.A(N[224]), .B(N[236]), .C(N[223]), .YS(N[252]), .YC(N[253])); PDKGENFAX1 n254(.A(N[226]), .B(N[238]), .C(N[225]), .YS(N[254]), .YC(N[255])); PDKGENFAX1 n256(.A(N[212]), .B(N[240]), .C(N[227]), .YS(N[256]), .YC(N[257])); PDKGENHAX1 n258(.A(N[246]), .B(N[245]), .YS(N[258]), .YC(N[259])); PDKGENFAX1 n260(.A(N[248]), .B(N[247]), .C(N[259]), .YS(N[260]), .YC(N[261])); PDKGENFAX1 n262(.A(N[250]), .B(N[249]), .C(N[261]), .YS(N[262]), .YC(N[263])); PDKGENFAX1 n264(.A(N[252]), .B(N[251]), .C(N[263]), .YS(N[264]), .YC(N[265])); PDKGENFAX1 n266(.A(N[254]), .B(N[253]), .C(N[265]), .YS(N[266]), .YC(N[267])); PDKGENFAX1 n268(.A(N[256]), .B(N[255]), .C(N[267]), .YS(N[268]), .YC(N[269])); PDKGENFAX1 n270(.A(N[242]), .B(N[257]), .C(N[269]), .YS(N[270]), .YC(N[271])); assign O[0] = N[32]; assign O[1] = N[64]; assign O[2] = N[94]; assign O[3] = N[124]; assign O[4] = N[154]; assign O[5] = N[184]; assign O[6] = N[214]; assign O[7] = N[244]; assign O[8] = N[258]; assign O[9] = N[260]; assign O[10] = N[262]; assign O[11] = N[264]; assign O[12] = N[266]; assign O[13] = N[268]; assign O[14] = N[270]; assign O[15] = N[271]; endmodule /* mod */ module PDKGENHAX1( input A, input B, output YS, output YC ); assign YS = A ^ B; assign YC = A & B; endmodule /* mod */ module PDKGENAND2X1(input A, input B, output Y ); assign Y = A & B; endmodule /* mod */ module PDKGENFAX1( input A, input B, input C, output YS, output YC ); assign YS = (A ^ B) ^ C; assign YC = (A & B) | (B & C) | (A & C); endmodule