CPU time vs number of Rx points 7000 6000 5000 西 4000 3000 2000 1000 0 420 520 620 720 N buildings ◆1RX。100RX 7 7 CPU time vs number of Rx points 0 1000 2000 3000 4000 5000 6000 7000 420 520 620 720 n° edifici tempo (s) 1RX 100 RX Time [s] N buildings