#include <stdio.h>
#include <windows.h>

#define NumberOfIterations	60000

void RunCollapsed()
{
	int i, j;
	for (i = 0; i < NumberOfIterations; i++)
	{
		for (j = 0; j < NumberOfIterations; j++)
		{
		}
	}
}

static void Helper()
{
	int j;
	for (j = 0; j < NumberOfIterations; j++)
	{
	}
}

void RunNonCollapsed()
{
	int i;
	for (i = 0; i < NumberOfIterations; i++)
	{
		Helper();
	}
}

void RunOnce(LARGE_INTEGER *collapsedTicks, LARGE_INTEGER *nonCollapsedTicks)
{
	LARGE_INTEGER start;
	LARGE_INTEGER stop;
	
	QueryPerformanceCounter(&start);
	RunCollapsed();
	QueryPerformanceCounter(&stop);
	collapsedTicks->QuadPart = stop.QuadPart - start.QuadPart;
	printf("Collapsed: %lu ticks\n", collapsedTicks->QuadPart);

	QueryPerformanceCounter(&start);
	RunNonCollapsed();
	QueryPerformanceCounter(&stop);
	nonCollapsedTicks->QuadPart = stop.QuadPart - start.QuadPart;
	printf("NonCollapsed: %lu ticks\n", nonCollapsedTicks->QuadPart);

	printf("%d%%\n", (nonCollapsedTicks->QuadPart * 100) / collapsedTicks->QuadPart);
}

int main()
{
	LARGE_INTEGER collapsedTicks;
	LARGE_INTEGER nonCollapsedTicks;
	LARGE_INTEGER totalCollapsedTicks;
	LARGE_INTEGER totalNonCollapsedTicks;
	int i;

	totalCollapsedTicks.QuadPart = 0;
	totalNonCollapsedTicks.QuadPart = 0;
	for (i = 0; i < 10; i++)
	{
		RunOnce(&collapsedTicks, &nonCollapsedTicks);
		totalCollapsedTicks.QuadPart += collapsedTicks.QuadPart;
		totalNonCollapsedTicks.QuadPart += nonCollapsedTicks.QuadPart;
	}
	printf("Average: %d%%\n", (totalNonCollapsedTicks.QuadPart * 100) / totalCollapsedTicks.QuadPart);
}