sorter in vhdl

Hi All;
i want to design vhdl code for sorter.
the idea for the sorter is as the following
i have input data which is std_logic vector(0 to 7) and every input has 
its time i.e if i have input 010111001 its time is 20 ns ....etc
and i want to sort every input according its time
how i can make it in vhdl code.every-help will e thankful for it