#include <windows.h>#include <cstdio>#include <iostream>__declspec(naked)unsigned __int64 __cdecl rdtsc(void){ __asm { rdtsc ret ; return value at EDX:EAX }}int main(int argc, char *argv[]){ unsigned __int64 begin; unsigned __int64 end; unsigned __int64 result = 0; unsigned __int64 overhead = 0; int number = 10000; int temp; int i; printf("Number: %ld\n", number); begin = rdtsc(); for (int i = 0; i < 10000; i++) { ; } end = rdtsc(); overhead = end - begin; begin = rdtsc(); for (int i = 0; i < 10000; i++) { temp = number % 2; } end = rdtsc(); result = (end - begin) / 10000; result -= overhead; std::cout << "Ticks: " << result << std::endl; system("PAUSE");}