"400 million repetitions" "C" "\\CFA{}" "\\CC{}" "\\CC{obj}" "push\nint" 3002 2459 1542 3269 "copy\nint" 2985 2057 1539 3083 "clear\nint" 1374 827 756 1469 "pop\nint" 1416 1221 760 5098 "push\npair" 4214 2752 950 6873 "copy\npair" 6127 2105 987 7293 "clear\npair" 2881 885 751 3460 "pop\npair" 3046 5434 822 24962