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mul16u_GPE.v
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mul16u_GPE.v
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/***
* 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, Z. Vasicek, L. Sekanina, H. Jiang and J. Han, "Scalable Construction of Approximate Multipliers With Formally Guaranteed Worst Case Error" in IEEE Transactions on Very Large Scale Integration (VLSI) Systems, vol. 26, no. 11, pp. 2572-2576, Nov. 2018. doi: 10.1109/TVLSI.2018.2856362
* This file contains a circuit from a sub-set of pareto optimal circuits with respect to the pwr and mse parameters
***/
// MAE% = 0.16 %
// MAE = 6782976
// WCE% = 0.63 %
// WCE = 27131905
// WCRE% = 100.00 %
// EP% = 100.00 %
// MRE% = 3.06 %
// MSE = 55158.891e9
// PDK45_PWR = 0.401 mW
// PDK45_AREA = 642.0 um2
// PDK45_DELAY = 1.97 ns
module mul16u_GPE ( A, B, O );
input [15:0] A;
input [15:0] B;
output [31:0] O;
wire C_10_11,C_10_12,C_10_13,C_10_14,C_11_10,C_11_11,C_11_12,C_11_13,C_11_14,C_12_10,C_12_11,C_12_12,C_12_13,C_12_14,C_12_9,C_13_10,C_13_11,C_13_12,C_13_13,C_13_14,C_13_8,C_13_9,C_14_10,C_14_11,C_14_12,C_14_13,C_14_14,C_14_7,C_14_8,C_14_9,C_15_10,C_15_11,C_15_12,C_15_13,C_15_14,C_15_6,C_15_7,C_15_8,C_15_9,C_16_10,C_16_11,C_16_12,C_16_13,C_16_14,C_16_6,C_16_7,C_16_8,C_16_9,C_8_13,C_8_14,C_9_12,C_9_13,C_9_14,S_10_11,S_10_12,S_10_13,S_10_14,S_10_15,S_11_10,S_11_11,S_11_12,S_11_13,S_11_14,S_11_15,S_12_10,S_12_11,S_12_12,S_12_13,S_12_14,S_12_15,S_12_9,S_13_10,S_13_11,S_13_12,S_13_13,S_13_14,S_13_15,S_13_8,S_13_9,S_14_10,S_14_11,S_14_12,S_14_13,S_14_14,S_14_15,S_14_7,S_14_8,S_14_9,S_15_10,S_15_11,S_15_12,S_15_13,S_15_14,S_15_15,S_15_6,S_15_7,S_15_8,S_15_9,S_16_10,S_16_11,S_16_12,S_16_13,S_16_14,S_16_15,S_16_5,S_16_6,S_16_7,S_16_8,S_16_9,S_7_14,S_7_15,S_8_13,S_8_14,S_8_15,S_9_12,S_9_13,S_9_14,S_9_15;
assign S_7_14 = (A[7] & B[14]);
assign S_7_15 = (A[7] & B[15]);
PDKGENHAX1 U184446 (.A(S_7_14), .B((A[8] & B[13])), .YS(S_8_13), .YC(C_8_13));
PDKGENHAX1 U184447 (.A(S_7_15), .B((A[8] & B[14])), .YS(S_8_14), .YC(C_8_14));
assign S_8_15 = (A[8] & B[15]);
PDKGENHAX1 U184461 (.A(S_8_13), .B((A[9] & B[12])), .YS(S_9_12), .YC(C_9_12));
PDKGENFAX1 U184462 (.A(S_8_14), .B(C_8_13), .C((A[9] & B[13])), .YS(S_9_13), .YC(C_9_13));
PDKGENFAX1 U184463 (.A(S_8_15), .B(C_8_14), .C((A[9] & B[14])), .YS(S_9_14), .YC(C_9_14));
assign S_9_15 = (A[9] & B[15]);
PDKGENHAX1 U184476 (.A(S_9_12), .B((A[10] & B[11])), .YS(S_10_11), .YC(C_10_11));
PDKGENFAX1 U184477 (.A(S_9_13), .B(C_9_12), .C((A[10] & B[12])), .YS(S_10_12), .YC(C_10_12));
PDKGENFAX1 U184478 (.A(S_9_14), .B(C_9_13), .C((A[10] & B[13])), .YS(S_10_13), .YC(C_10_13));
PDKGENFAX1 U184479 (.A(S_9_15), .B(C_9_14), .C((A[10] & B[14])), .YS(S_10_14), .YC(C_10_14));
assign S_10_15 = (A[10] & B[15]);
PDKGENHAX1 U184491 (.A(S_10_11), .B((A[11] & B[10])), .YS(S_11_10), .YC(C_11_10));
PDKGENFAX1 U184492 (.A(S_10_12), .B(C_10_11), .C((A[11] & B[11])), .YS(S_11_11), .YC(C_11_11));
PDKGENFAX1 U184493 (.A(S_10_13), .B(C_10_12), .C((A[11] & B[12])), .YS(S_11_12), .YC(C_11_12));
PDKGENFAX1 U184494 (.A(S_10_14), .B(C_10_13), .C((A[11] & B[13])), .YS(S_11_13), .YC(C_11_13));
PDKGENFAX1 U184495 (.A(S_10_15), .B(C_10_14), .C((A[11] & B[14])), .YS(S_11_14), .YC(C_11_14));
assign S_11_15 = (A[11] & B[15]);
PDKGENHAX1 U184506 (.A(S_11_10), .B((A[12] & B[9])), .YS(S_12_9), .YC(C_12_9));
PDKGENFAX1 U184507 (.A(S_11_11), .B(C_11_10), .C((A[12] & B[10])), .YS(S_12_10), .YC(C_12_10));
PDKGENFAX1 U184508 (.A(S_11_12), .B(C_11_11), .C((A[12] & B[11])), .YS(S_12_11), .YC(C_12_11));
PDKGENFAX1 U184509 (.A(S_11_13), .B(C_11_12), .C((A[12] & B[12])), .YS(S_12_12), .YC(C_12_12));
PDKGENFAX1 U184510 (.A(S_11_14), .B(C_11_13), .C((A[12] & B[13])), .YS(S_12_13), .YC(C_12_13));
PDKGENFAX1 U184511 (.A(S_11_15), .B(C_11_14), .C((A[12] & B[14])), .YS(S_12_14), .YC(C_12_14));
assign S_12_15 = (A[12] & B[15]);
PDKGENHAX1 U184521 (.A(S_12_9), .B((A[13] & B[8])), .YS(S_13_8), .YC(C_13_8));
PDKGENFAX1 U184522 (.A(S_12_10), .B(C_12_9), .C((A[13] & B[9])), .YS(S_13_9), .YC(C_13_9));
PDKGENFAX1 U184523 (.A(S_12_11), .B(C_12_10), .C((A[13] & B[10])), .YS(S_13_10), .YC(C_13_10));
PDKGENFAX1 U184524 (.A(S_12_12), .B(C_12_11), .C((A[13] & B[11])), .YS(S_13_11), .YC(C_13_11));
PDKGENFAX1 U184525 (.A(S_12_13), .B(C_12_12), .C((A[13] & B[12])), .YS(S_13_12), .YC(C_13_12));
PDKGENFAX1 U184526 (.A(S_12_14), .B(C_12_13), .C((A[13] & B[13])), .YS(S_13_13), .YC(C_13_13));
PDKGENFAX1 U184527 (.A(S_12_15), .B(C_12_14), .C((A[13] & B[14])), .YS(S_13_14), .YC(C_13_14));
assign S_13_15 = (A[13] & B[15]);
PDKGENHAX1 U184536 (.A(S_13_8), .B((A[14] & B[7])), .YS(S_14_7), .YC(C_14_7));
PDKGENFAX1 U184537 (.A(S_13_9), .B(C_13_8), .C((A[14] & B[8])), .YS(S_14_8), .YC(C_14_8));
PDKGENFAX1 U184538 (.A(S_13_10), .B(C_13_9), .C((A[14] & B[9])), .YS(S_14_9), .YC(C_14_9));
PDKGENFAX1 U184539 (.A(S_13_11), .B(C_13_10), .C((A[14] & B[10])), .YS(S_14_10), .YC(C_14_10));
PDKGENFAX1 U184540 (.A(S_13_12), .B(C_13_11), .C((A[14] & B[11])), .YS(S_14_11), .YC(C_14_11));
PDKGENFAX1 U184541 (.A(S_13_13), .B(C_13_12), .C((A[14] & B[12])), .YS(S_14_12), .YC(C_14_12));
PDKGENFAX1 U184542 (.A(S_13_14), .B(C_13_13), .C((A[14] & B[13])), .YS(S_14_13), .YC(C_14_13));
PDKGENFAX1 U184543 (.A(S_13_15), .B(C_13_14), .C((A[14] & B[14])), .YS(S_14_14), .YC(C_14_14));
assign S_14_15 = (A[14] & B[15]);
PDKGENHAX1 U184551 (.A(S_14_7), .B((A[15] & B[6])), .YS(S_15_6), .YC(C_15_6));
PDKGENFAX1 U184552 (.A(S_14_8), .B(C_14_7), .C((A[15] & B[7])), .YS(S_15_7), .YC(C_15_7));
PDKGENFAX1 U184553 (.A(S_14_9), .B(C_14_8), .C((A[15] & B[8])), .YS(S_15_8), .YC(C_15_8));
PDKGENFAX1 U184554 (.A(S_14_10), .B(C_14_9), .C((A[15] & B[9])), .YS(S_15_9), .YC(C_15_9));
PDKGENFAX1 U184555 (.A(S_14_11), .B(C_14_10), .C((A[15] & B[10])), .YS(S_15_10), .YC(C_15_10));
PDKGENFAX1 U184556 (.A(S_14_12), .B(C_14_11), .C((A[15] & B[11])), .YS(S_15_11), .YC(C_15_11));
PDKGENFAX1 U184557 (.A(S_14_13), .B(C_14_12), .C((A[15] & B[12])), .YS(S_15_12), .YC(C_15_12));
PDKGENFAX1 U184558 (.A(S_14_14), .B(C_14_13), .C((A[15] & B[13])), .YS(S_15_13), .YC(C_15_13));
PDKGENFAX1 U184559 (.A(S_14_15), .B(C_14_14), .C((A[15] & B[14])), .YS(S_15_14), .YC(C_15_14));
assign S_15_15 = (A[15] & B[15]);
assign S_16_5 = S_15_6;
PDKGENHAX1 U184567 (.A(S_15_7), .B(C_15_6), .YS(S_16_6), .YC(C_16_6));
PDKGENFAX1 U184568 (.A(S_15_8), .B(C_16_6), .C(C_15_7), .YS(S_16_7), .YC(C_16_7));
PDKGENFAX1 U184569 (.A(S_15_9), .B(C_16_7), .C(C_15_8), .YS(S_16_8), .YC(C_16_8));
PDKGENFAX1 U184570 (.A(S_15_10), .B(C_16_8), .C(C_15_9), .YS(S_16_9), .YC(C_16_9));
PDKGENFAX1 U184571 (.A(S_15_11), .B(C_16_9), .C(C_15_10), .YS(S_16_10), .YC(C_16_10));
PDKGENFAX1 U184572 (.A(S_15_12), .B(C_16_10), .C(C_15_11), .YS(S_16_11), .YC(C_16_11));
PDKGENFAX1 U184573 (.A(S_15_13), .B(C_16_11), .C(C_15_12), .YS(S_16_12), .YC(C_16_12));
PDKGENFAX1 U184574 (.A(S_15_14), .B(C_16_12), .C(C_15_13), .YS(S_16_13), .YC(C_16_13));
PDKGENFAX1 U184575 (.A(S_15_15), .B(C_16_13), .C(C_15_14), .YS(S_16_14), .YC(C_16_14));
assign S_16_15 = C_16_14;
assign O = {S_16_15,S_16_14,S_16_13,S_16_12,S_16_11,S_16_10,S_16_9,S_16_8,S_16_7,S_16_6,S_16_5,1'b0,1'b0,1'b0,1'b0,1'b0,1'b0,1'b0,1'b0,1'b0,1'b0,1'b0,1'b0,1'b0,1'b0,1'b0,1'b0,1'b0,1'b0,1'b0,1'b0,1'b0};
endmodule
/* mod */
module PDKGENHAX1( input A, input B, output YS, output YC );
assign YS = A ^ B;
assign YC = 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