代码

static inline long long get_cycle_count()
{
    unsigned int lo, hi;
    __asm__ __volatile__ ("rdtsc" : "=a" (lo), "=d" (hi));
    return ((long long)hi << 32) | lo;
}
int plus(int a, int b)
{
return a + b + get_cycle_count();
}

评测结果