mahmood.n
Member level 5
The following code performs a dot product on two integer vectors
Package definition
Entity and architecture
The testbench
As I run the simulation with activehdl, the result is not meaningful. Although I wrote "wait for", the signals didn't change at 10ns.
P.S: I edited the picture.
Package definition
Code:
package dot_product_types is
type int_vector is array(0 to 7) of integer;
end;
Code:
use work.dot_product_types.all;
entity dot_product is
port( a, b: in int_vector;
z: out integer);
end;
architecture beh1 of dot_product is
begin
process( a, b)
variable accumulator: integer:=0;
begin
accumulator := 0;
for i in 0 to 7 loop
accumulator := accumulator + a(i)*b(i);
end loop;
z <= accumulator;
end process;
end;
Code:
use work.dot_product_types.all;
entity dot_product_tb is
end;
architecture x of dot_product_tb is
component dot_product port( a, b: in int_vector; z: out integer );
end component;
signal a, b: int_vector;
signal z: integer;
begin
u1: dot_product port map( a, b, z );
process
begin
a <= (1, 2, 3, 4, 5, 6, 7, 8);
b <= (1, 2, 3, 4, 5, 6, 7, 8);
wait for 10 ns;
b <= (1, 1, 1, 1, 1, 1, 1, 1);
end process;
end;P.S: I edited the picture.
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