#include constexpr int LOOP_COUNT = 100000000; volatile int a[2]; void Function1() { volatile int* p = a + atoi("0"); for (int i = 0; i < LOOP_COUNT; ++i) { *p = i; } } void Function2() { volatile int* p = a + atoi("1"); for (int i = 0; i < LOOP_COUNT; ++i) { *p = i; } } int main() { while (true) { Function1(); Function2(); } return 0; }