40 3 20 0.373357 0.00176309 80 3 20 0.335531 0.00114166 160 3 20 0.335105 0.00275471 320 3 20 0.355708 0.00149594 640 3 20 0.408852 0.00185459 1280 3 20 0.545992 0.00113421 2560 3 20 0.80181 0.00243969 5120 3 20 1.32945 0.00255124