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David Harris 2022-05-11 18:14:16 +00:00
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// Teo Ene & David_Harris@hmc.edu 25 Feb 2021 // Teo Ene & David_Harris@hmc.edu 25 Feb 2021
// Measure PPA of various building blocks // Measure PPA of various building blocks
/*
module top(
input logic a1,
input logic [7:0] a8, b8,
input logic [15:0] a16, b16,
input logic [31:0] a32, b32,
input logic [63:0] a64, b64,
output logic yinv,
output logic [63:0] y1, y2, y3, y4
);
// fo4 inverter
myinv myinv(a1, yinv);)
// adders
add #(8) add8(a8, b8, yadd8);
add #(16) add16(a16, b16, yadd16);
add #(32) add32(a32, b32, yadd32);
add #(64) add64(a64, b64, yadd64);
// mux2, mux3, mux4 of 1, 8, 16, 32, 64
endmodule
module ppa_inv(input a, output y);
assign out = ~in;
endmodule
*/
module ppa_comparator_16 #(parameter WIDTH=16) ( module ppa_comparator_16 #(parameter WIDTH=16) (
input logic [WIDTH-1:0] a, b, input logic [WIDTH-1:0] a, b,
input logic sgnd, input logic sgnd,