A Swarm Random Walk Based Method for the Standard Cell Placement Problem

Algorithm 1

SwarmRW pseudocode.

input: , max,

output: Best Solution

Initialize: : swarm size, max: maximum runs, : parameter;

begin

  Initialize swarm randomly;

  for iter = 0 max − 1 do

     for   = 0   do

        Randomly select , 0 ≤ < , ;

        Set = ;

        Randomly select dimension ;

        Calculate by (2);

        Set = ;

        if  fitness() < fitness() then

           = ;

        end

     end

  end

end

return  Best Solution