"400 million repetitions" "C" "\\CFA{}" "\\CC{}" "\\CC{obj}" "push\nint" 2911 2034 1504 3246 "copy\nint" 2953 1622 1526 3075 "clear\nint" 1397 754 753 1452 "pop\nint" 1446 1203 760 5016 "push\npair" 3673 2297 955 6971 "copy\npair" 6027 1183 998 7204 "clear\npair" 2840 773 748 3511 "pop\npair" 3025 5414 813 23867