40 4 20 0.371402 0.00372232 80 4 20 0.332015 0.00329756 160 4 20 0.330483 0.0019087 320 4 20 0.348562 0.00158538 640 4 20 0.403901 0.00232836 1280 4 20 0.543925 0.00243786 2560 4 20 0.800997 0.00361461 5120 4 20 1.32899 0.00240988