"400 million repetitions" "C" "\\CFA{}" "\\CC{}" "\\CC{obj}" "push\nint" 3324 2263 1583 3141 "copy\nint" 2999 2055 1560 3136 "clear\nint" 1384 816 754 1498 "pop\nint" 1413 1172 751 5344 "print\nint" 7106 12458 3976 4044 "push\npair" 4916 3139 1014 6407 "copy\npair" 6218 2077 1002 7067 "clear\npair" 2777 886 722 3519 "pop\npair" 2857 4200 784 21145 "print\npair" 13536 21726 9009 20516