evoapprox8b/adders_8/source_v/add8_323_pdk45.v at master · ehw-fit/evoapprox8b · GitHub

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// Library = EvoApprox8b
// Circuit = add8_323
// Area   (180) = 680
// Delay  (180) = 1.400
// Power  (180) = 151.50
// Area   (45) = 54
// Delay  (45) = 0.520
// Power  (45) = 15.29
// Nodes = 11
// HD = 188544
// MAE = 3.95312
// MSE = 27.00000
// MRE = 2.09 %
// WCE = 15
// WCRE = 600 %
// EP = 90.6 %

module add8_323(A, B, O);
  input [7:0] A;
  input [7:0] B;
  output [8:0] 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];

  XNOR2X1 n36(.A(N[4]), .B(N[4]), .Y(N[36]));
  NOR2X1 n52(.A(N[6]), .B(N[36]), .Y(N[52]));
  BUFX2 n66(.A(N[52]), .Y(N[66]));
  BUFX2 n74(.A(N[66]), .Y(N[74]));
  assign N[75] = N[74];
  BUFX2 n78(.A(N[75]), .Y(N[78]));
  assign N[79] = N[78];
  INVX1 n126(.A(N[79]), .Y(N[126]));
  assign N[127] = N[126];
  OR2X1 n182(.A(N[6]), .B(N[22]), .Y(N[182]));
  assign N[183] = N[182];
  FAX1 n232(.A(N[8]), .B(N[24]), .C(N[78]), .YS(N[232]), .YC(N[233]));
  FAX1 n282(.A(N[10]), .B(N[26]), .C(N[233]), .YS(N[282]), .YC(N[283]));
  FAX1 n332(.A(N[12]), .B(N[28]), .C(N[283]), .YS(N[332]), .YC(N[333]));
  FAX1 n382(.A(N[14]), .B(N[30]), .C(N[333]), .YS(N[382]), .YC(N[383]));

  assign O[0] = N[4];
  assign O[1] = N[126];
  assign O[2] = N[127];
  assign O[3] = N[183];
  assign O[4] = N[232];
  assign O[5] = N[282];
  assign O[6] = N[332];
  assign O[7] = N[382];
  assign O[8] = N[383];

endmodule