vector/list/set/map 遍历耗时统计

#include<Windows.h>

#include <iostream>

#include<fstream>

#include<vector>

#include<list>

#include<set>

#include <map>

#include <string>



using namespace std;

#define NUM1 10 //外层循环10次

#define NUM2 100000000 //对于int、dword的1亿次i++和++i

#define NUM3 100000//对与包含10万个元素容器的iter++和++iter


#ifdef _DEBUG

#define _FNAME "debug_"

#else

#define _FNAME "release_"

#endif


typedef struct _ElemType1

{

	DWORD dw;

	_ElemType1(DWORD _dw=0):dw(_dw)

	{

	}

	bool operator<(_ElemType1 const &t1) const

	{

		return this->dw<t1.dw;

	}

}ElemType1;



typedef struct _ElemType2

{

	string str;

	_ElemType2(string _str=""):str(_str)

	{


	}

	bool operator<(_ElemType2 const &t1) const

	{

		return this->str<t1.str;


	}

}ElemType2;


void test1_int_i(ofstream &of);

void test1_dword_i(ofstream &of);

void test2_vec_type1(ofstream &of);

void test2_vec_type2(ofstream &of);

void test3_list_type1(ofstream &of);

void test3_list_type2(ofstream &of);

void test4_set_type1(ofstream &of);

void test4_set_type2(ofstream &of);

void test5_map_type1(ofstream &of);

void test5_map_type2(ofstream &of);




void test1_int_i(ofstream &of)

{

	volatile int i=0,j=0;

	DWORD dw1,dw2,total=0;

	cout<<"int类型："<<endl;

	of<<"int类型："<<endl;


	cout<<"i++测试："<<endl;

	of<<"i++测试："<<endl;


	for(;j<NUM1;++j)

	{

		dw1 = ::GetTickCount();

		while (i<NUM2)

		{

			i++;

		}

		dw2 = ::GetTickCount();

		i=0;

		cout<<j<<" : "<<dw2-dw1<<endl;

		of<<j<<" : "<<dw2-dw1<<endl;

		total+=dw2-dw1;

	}

	cout<<"总消耗："<<total<<endl;

	of<<"总消耗："<<total<<endl;

	cout<<"平均消耗："<<float(total)/NUM1<<endl;

	of<<"平均消耗："<<float(total)/NUM1<<endl;


	cout<<endl;

	of<<endl;


	i = j = 0;

	total = 0;

	cout<<"++i测试："<<endl;

	of<<"++i测试："<<endl;


	for(;j<NUM1;++j)

	{

		dw1 = ::GetTickCount();

		while (i<NUM2)

		{

			++i;

		}

		dw2 = ::GetTickCount();

		i=0;

		cout<<j<<" : "<<dw2-dw1<<endl;

		of<<j<<" : "<<dw2-dw1<<endl;

		total+=dw2-dw1;

	}

	cout<<"总消耗："<<total<<endl;

	of<<"总消耗："<<total<<endl;

	cout<<"平均消耗："<<float(total)/NUM1<<endl;

	of<<"平均消耗："<<float(total)/NUM1<<endl;


	cout<<endl;

	of<<endl;

}


void test1_dword_i(ofstream &of)

{

	volatile DWORD i=0,j=0;

	DWORD dw1,dw2,total=0;

	cout<<"DWORD类型："<<endl;

	of<<"DWORD类型："<<endl;


	cout<<"i++测试："<<endl;

	of<<"i++测试："<<endl;


	for(;j<NUM1;++j)

	{

		dw1 = ::GetTickCount();

		while (i<NUM2)

		{

			i++;

		}

		dw2 = ::GetTickCount();

		i=0;

		cout<<j<<" : "<<dw2-dw1<<endl;

		of<<j<<" : "<<dw2-dw1<<endl;

		total+=dw2-dw1;

	}

	cout<<"总消耗："<<total<<endl;

	of<<"总消耗："<<total<<endl;

	cout<<"平均消耗："<<float(total)/NUM1<<endl;

	of<<"平均消耗："<<float(total)/NUM1<<endl;


	cout<<endl;

	of<<endl;


	i = j = 0;

	total = 0;

	cout<<"++i测试："<<endl;

	of<<"++i测试："<<endl;


	for(;j<NUM1;++j)

	{

		dw1 = ::GetTickCount();

		while (i<NUM2)

		{

			++i;

		}

		dw2 = ::GetTickCount();

		i=0;

		cout<<j<<" : "<<dw2-dw1<<endl;

		of<<j<<" : "<<dw2-dw1<<endl;

		total+=dw2-dw1;

	}

	cout<<"总消耗："<<total<<endl;

	of<<"总消耗："<<total<<endl;

	cout<<"平均消耗："<<float(total)/NUM1<<endl;

	of<<"平均消耗："<<float(total)/NUM1<<endl;


	cout<<endl;

	of<<endl;


}




DWORD g_dwFlag=0;

void test2_vec_type1(ofstream &of)

{

	ElemType1 t1;

	vector<ElemType1> vec1(NUM3,t1);


	DWORD dw1,dw2,total=0;

	cout<<"vector，使用type1："<<endl;

	of<<"vector，使用type1："<<endl;


	cout<<"iter++测试："<<endl;

	of<<"iter++测试："<<endl;


	int i = 0,j=0;

	vector<ElemType1>::iterator iter;

	vector<ElemType1>::const_iterator citer;


	for(;i<NUM1;++i)

	{

		iter = vec1.begin();

		dw1 = ::GetTickCount();

		while (iter!=vec1.end())

		{


#ifdef NDEBUG

g_dwFlag+=i;

#endif



			iter++;

		}

		dw2 = ::GetTickCount();


		cout<<i<<" : "<<dw2-dw1<<endl;

		of<<i<<" : "<<dw2-dw1<<endl;

		total+=dw2-dw1;

	}


	cout<<"总消耗："<<total<<endl;

	of<<"总消耗："<<total<<endl;

	cout<<"平均消耗："<<float(total)/NUM1<<endl;

	of<<"平均消耗："<<float(total)/NUM1<<endl;


	cout<<endl;

	of<<endl;


	i=0;

	total=0;


	cout<<"++iter测试："<<endl;

	of<<"++iter测试："<<endl;


	for(;i<NUM1;++i)

	{

		dw1 = ::GetTickCount();

		iter = vec1.begin();

		while (iter!=vec1.end())

		{

#ifdef NDEBUG

			g_dwFlag+=i;

#endif

			++iter;

		}

		dw2 = ::GetTickCount();


		cout<<i<<" : "<<dw2-dw1<<endl;

		of<<i<<" : "<<dw2-dw1<<endl;

		total+=dw2-dw1;

	}

	cout<<"总消耗："<<total<<endl;

	of<<"总消耗："<<total<<endl;

	cout<<"平均消耗："<<float(total)/NUM1<<endl;

	of<<"平均消耗："<<float(total)/NUM1<<endl;


	cout<<endl;

	of<<endl;



	i=0;

	total=0;

	cout<<"citer++测试："<<endl;

	of<<"citer++测试："<<endl;


	for(;i<NUM1;++i)

	{

		dw1 = ::GetTickCount();

		citer = vec1.begin();

		while (citer!=vec1.end())

		{

#ifdef NDEBUG

			g_dwFlag+=i;

#endif

			citer++;

		}

		dw2 = ::GetTickCount();


		cout<<i<<" : "<<dw2-dw1<<endl;

		of<<i<<" : "<<dw2-dw1<<endl;

		total+=dw2-dw1;

	}

	cout<<"总消耗："<<total<<endl;

	of<<"总消耗："<<total<<endl;

	cout<<"平均消耗："<<float(total)/NUM1<<endl;

	of<<"平均消耗："<<float(total)/NUM1<<endl;


	cout<<endl;

	of<<endl;


	i=0;

	total=0;

	cout<<"++citer测试："<<endl;

	of<<"++citer测试："<<endl;


	for(;i<NUM1;++i)

	{

		dw1 = ::GetTickCount();

		citer = vec1.begin();

		while (citer!=vec1.end())

		{

#ifdef NDEBUG

			g_dwFlag+=i;

#endif

			++citer;

		}

		dw2 = ::GetTickCount();


		cout<<i<<" : "<<dw2-dw1<<endl;

		of<<i<<" : "<<dw2-dw1<<endl;

		total+=dw2-dw1;

	}

	cout<<"总消耗："<<total<<endl;

	of<<"总消耗："<<total<<endl;

	cout<<"平均消耗："<<float(total)/NUM1<<endl;

	of<<"平均消耗："<<float(total)/NUM1<<endl;


	cout<<endl;

	of<<endl;

}


void test2_vec_type2(ofstream &of)

{

	ElemType2 t2;


	vector<ElemType2> vec1(NUM3,t2);


	DWORD dw1,dw2,total=0;

	cout<<"vector，使用type2："<<endl;

	of<<"vector，使用type2："<<endl;


	cout<<"iter++测试："<<endl;

	of<<"iter++测试："<<endl;


	int i = 0,j=0;

	vector<ElemType2>::iterator iter;

	vector<ElemType2>::const_iterator citer;



	for(;i<NUM1;++i)

	{

		dw1 = ::GetTickCount();

		iter = vec1.begin();

		while (iter!=vec1.end())

		{

#ifdef NDEBUG

			g_dwFlag+=i;

#endif

			iter++;

		}

		dw2 = ::GetTickCount();


		cout<<i<<" : "<<dw2-dw1<<endl;

		of<<i<<" : "<<dw2-dw1<<endl;

		total+=dw2-dw1;

	}

	cout<<"总消耗："<<total<<endl;

	of<<"总消耗："<<total<<endl;

	cout<<"平均消耗："<<float(total)/NUM1<<endl;

	of<<"平均消耗："<<float(total)/NUM1<<endl;


	cout<<endl;

	of<<endl;


	i=0;

	total=0;


	cout<<"++iter测试："<<endl;

	of<<"++iter测试："<<endl;


	for(;i<NUM1;++i)

	{

		dw1 = ::GetTickCount();

		iter = vec1.begin();

		while (iter!=vec1.end())

		{

#ifdef NDEBUG

			g_dwFlag+=i;

#endif

			++iter;

		}

		dw2 = ::GetTickCount();


		cout<<i<<" : "<<dw2-dw1<<endl;

		of<<i<<" : "<<dw2-dw1<<endl;

		total+=dw2-dw1;

	}

	cout<<"总消耗："<<total<<endl;

	of<<"总消耗："<<total<<endl;

	cout<<"平均消耗："<<float(total)/NUM1<<endl;

	of<<"平均消耗："<<float(total)/NUM1<<endl;


	cout<<endl;

	of<<endl;



	i=0;

	total=0;

	cout<<"citer++测试："<<endl;

	of<<"citer++测试："<<endl;


	for(;i<NUM1;++i)

	{

		dw1 = ::GetTickCount();

		citer = vec1.begin();

		while (citer!=vec1.end())

		{

#ifdef NDEBUG

			g_dwFlag+=i;

#endif

			citer++;

		}

		dw2 = ::GetTickCount();


		cout<<i<<" : "<<dw2-dw1<<endl;

		of<<i<<" : "<<dw2-dw1<<endl;

		total+=dw2-dw1;

	}

	cout<<"总消耗："<<total<<endl;

	of<<"总消耗："<<total<<endl;

	cout<<"平均消耗："<<float(total)/NUM1<<endl;

	of<<"平均消耗："<<float(total)/NUM1<<endl;


	cout<<endl;

	of<<endl;


	i=0;

	total=0;

	cout<<"++citer测试："<<endl;

	of<<"++citer测试："<<endl;


	for(;i<NUM1;++i)

	{

		dw1 = ::GetTickCount();

		citer = vec1.begin();

		while (citer!=vec1.end())

		{

#ifdef NDEBUG

			g_dwFlag+=i;

#endif

			++citer;

		}

		dw2 = ::GetTickCount();


		cout<<i<<" : "<<dw2-dw1<<endl;

		of<<i<<" : "<<dw2-dw1<<endl;

		total+=dw2-dw1;

	}

	cout<<"总消耗："<<total<<endl;

	of<<"总消耗："<<total<<endl;

	cout<<"平均消耗："<<float(total)/NUM1<<endl;

	of<<"平均消耗："<<float(total)/NUM1<<endl;


	cout<<endl;

	of<<endl;

}


void test3_list_type1(ofstream &of)

{

	ElemType1 t1;

	list<ElemType1> ls(NUM3,t1);


	DWORD dw1,dw2,total=0;

	cout<<"list，使用type1："<<endl;

	of<<"list，使用type1："<<endl;


	cout<<"iter++测试："<<endl;

	of<<"iter++测试："<<endl;


	int i = 0,j=0;

	list<ElemType1>::iterator iter;

	list<ElemType1>::const_iterator citer;



	for(;i<NUM1;++i)

	{

		dw1 = ::GetTickCount();

		iter = ls.begin();

		while (iter!=ls.end())

		{

#ifdef NDEBUG

			g_dwFlag+=i;

#endif

			iter++;

		}

		dw2 = ::GetTickCount();


		cout<<i<<" : "<<dw2-dw1<<endl;

		of<<i<<" : "<<dw2-dw1<<endl;

		total+=dw2-dw1;

	}

	cout<<"总消耗："<<total<<endl;

	of<<"总消耗："<<total<<endl;

	cout<<"平均消耗："<<float(total)/NUM1<<endl;

	of<<"平均消耗："<<float(total)/NUM1<<endl;


	cout<<endl;

	of<<endl;


	i=0;

	total=0;


	cout<<"++iter测试："<<endl;

	of<<"++iter测试："<<endl;


	for(;i<NUM1;++i)

	{

		dw1 = ::GetTickCount();

		iter = ls.begin();

		while (iter!=ls.end())

		{

#ifdef NDEBUG

			g_dwFlag+=i;

#endif

			++iter;

		}

		dw2 = ::GetTickCount();


		cout<<i<<" : "<<dw2-dw1<<endl;

		of<<i<<" : "<<dw2-dw1<<endl;

		total+=dw2-dw1;

	}

	cout<<"总消耗："<<total<<endl;

	of<<"总消耗："<<total<<endl;

	cout<<"平均消耗："<<float(total)/NUM1<<endl;

	of<<"平均消耗："<<float(total)/NUM1<<endl;


	cout<<endl;

	of<<endl;



	i=0;

	total=0;

	cout<<"citer++测试："<<endl;

	of<<"citer++测试："<<endl;


	for(;i<NUM1;++i)

	{

		dw1 = ::GetTickCount();

		citer = ls.begin();

		while (citer!=ls.end())

		{

#ifdef NDEBUG

			g_dwFlag+=i;

#endif

			citer++;

		}

		dw2 = ::GetTickCount();


		cout<<i<<" : "<<dw2-dw1<<endl;

		of<<i<<" : "<<dw2-dw1<<endl;

		total+=dw2-dw1;

	}

	cout<<"总消耗："<<total<<endl;

	of<<"总消耗："<<total<<endl;

	cout<<"平均消耗："<<float(total)/NUM1<<endl;

	of<<"平均消耗："<<float(total)/NUM1<<endl;


	cout<<endl;

	of<<endl;


	i=0;

	total=0;

	cout<<"++citer测试："<<endl;

	of<<"++citer测试："<<endl;


	for(;i<NUM1;++i)

	{

		dw1 = ::GetTickCount();

		citer = ls.begin();

		while (citer!=ls.end())

		{

#ifdef NDEBUG

			g_dwFlag+=i;

#endif

			++citer;

		}

		dw2 = ::GetTickCount();


		cout<<i<<" : "<<dw2-dw1<<endl;

		of<<i<<" : "<<dw2-dw1<<endl;

		total+=dw2-dw1;

	}

	cout<<"总消耗："<<total<<endl;

	of<<"总消耗："<<total<<endl;

	cout<<"平均消耗："<<float(total)/NUM1<<endl;

	of<<"平均消耗："<<float(total)/NUM1<<endl;


	cout<<endl;

	of<<endl;

}


void test3_list_type2(ofstream &of)

{

	ElemType2 t2;

	list<ElemType2> ls(NUM3,t2);


	DWORD dw1,dw2,total=0;

	cout<<"list，使用type2："<<endl;

	of<<"list，使用type2："<<endl;


	cout<<"iter++测试："<<endl;

	of<<"iter++测试："<<endl;


	int i = 0,j=0;

	list<ElemType2>::iterator iter;

	list<ElemType2>::const_iterator citer;



	for(;i<NUM1;++i)

	{

		dw1 = ::GetTickCount();

		iter = ls.begin();

		while (iter!=ls.end())

		{

#ifdef NDEBUG

			g_dwFlag+=i;

#endif

			iter++;

		}

		dw2 = ::GetTickCount();


		cout<<i<<" : "<<dw2-dw1<<endl;

		of<<i<<" : "<<dw2-dw1<<endl;

		total+=dw2-dw1;

	}

	cout<<"总消耗："<<total<<endl;

	of<<"总消耗："<<total<<endl;

	cout<<"平均消耗："<<float(total)/NUM1<<endl;

	of<<"平均消耗："<<float(total)/NUM1<<endl;


	cout<<endl;

	of<<endl;


	i=0;

	total=0;


	cout<<"++iter测试："<<endl;

	of<<"++iter测试："<<endl;


	for(;i<NUM1;++i)

	{

		dw1 = ::GetTickCount();

		iter = ls.begin();

		while (iter!=ls.end())

		{

#ifdef NDEBUG

			g_dwFlag+=i;

#endif

			++iter;

		}

		dw2 = ::GetTickCount();


		cout<<i<<" : "<<dw2-dw1<<endl;

		of<<i<<" : "<<dw2-dw1<<endl;

		total+=dw2-dw1;

	}

	cout<<"总消耗："<<total<<endl;

	of<<"总消耗："<<total<<endl;

	cout<<"平均消耗："<<float(total)/NUM1<<endl;

	of<<"平均消耗："<<float(total)/NUM1<<endl;


	cout<<endl;

	of<<endl;



	i=0;

	total=0;

	cout<<"citer++测试："<<endl;

	of<<"citer++测试："<<endl;


	for(;i<NUM1;++i)

	{

		dw1 = ::GetTickCount();

		citer = ls.begin();

		while (citer!=ls.end())

		{

#ifdef NDEBUG

			g_dwFlag+=i;

#endif

			citer++;

		}

		dw2 = ::GetTickCount();


		cout<<i<<" : "<<dw2-dw1<<endl;

		of<<i<<" : "<<dw2-dw1<<endl;

		total+=dw2-dw1;

	}

	cout<<"总消耗："<<total<<endl;

	of<<"总消耗："<<total<<endl;

	cout<<"平均消耗："<<float(total)/NUM1<<endl;

	of<<"平均消耗："<<float(total)/NUM1<<endl;


	cout<<endl;

	of<<endl;


	i=0;

	total=0;

	cout<<"++citer测试："<<endl;

	of<<"++citer测试："<<endl;


	for(;i<NUM1;++i)

	{

		dw1 = ::GetTickCount();

		citer = ls.begin();

		while (citer!=ls.end())

		{

#ifdef NDEBUG

			g_dwFlag+=i;

#endif

			++citer;

		}

		dw2 = ::GetTickCount();


		cout<<i<<" : "<<dw2-dw1<<endl;

		of<<i<<" : "<<dw2-dw1<<endl;

		total+=dw2-dw1;

	}

	cout<<"总消耗："<<total<<endl;

	of<<"总消耗："<<total<<endl;

	cout<<"平均消耗："<<float(total)/NUM1<<endl;

	of<<"平均消耗："<<float(total)/NUM1<<endl;


	cout<<endl;

	of<<endl;

}



void test4_set_type1(ofstream &of)

{

	set<ElemType1> ls;

	for (int n=0;n<NUM3;++n)

	{

		ls.insert(_ElemType1(n));

	}


	DWORD dw1,dw2,total=0;

	cout<<"set，使用type1："<<endl;

	of<<"set，使用type1："<<endl;


	cout<<"iter++测试："<<endl;

	of<<"iter++测试："<<endl;


	int i = 0,j=0;

	set<ElemType1>::iterator iter;

	set<ElemType1>::const_iterator citer;



	for(;i<NUM1;++i)

	{

		iter = ls.begin();


		dw1 = ::GetTickCount();

		while (iter!=ls.end())

		{

			iter++;

		}

		dw2 = ::GetTickCount();


		cout<<i<<" : "<<dw2-dw1<<endl;

		of<<i<<" : "<<dw2-dw1<<endl;

		total+=dw2-dw1;

	}

	cout<<"总消耗："<<total<<endl;

	of<<"总消耗："<<total<<endl;

	cout<<"平均消耗："<<float(total)/NUM1<<endl;

	of<<"平均消耗："<<float(total)/NUM1<<endl;


	cout<<endl;

	of<<endl;


	i=0;

	total=0;


	cout<<"++iter测试："<<endl;

	of<<"++iter测试："<<endl;


	for(;i<NUM1;++i)

	{

		iter = ls.begin();

		dw1 = ::GetTickCount();

		while (iter!=ls.end())

		{

			++iter;

		}

		dw2 = ::GetTickCount();


		cout<<i<<" : "<<dw2-dw1<<endl;

		of<<i<<" : "<<dw2-dw1<<endl;

		total+=dw2-dw1;

	}

	cout<<"总消耗："<<total<<endl;

	of<<"总消耗："<<total<<endl;

	cout<<"平均消耗："<<float(total)/NUM1<<endl;

	of<<"平均消耗："<<float(total)/NUM1<<endl;


	cout<<endl;

	of<<endl;



	i=0;

	total=0;

	cout<<"citer++测试："<<endl;

	of<<"citer++测试："<<endl;


	for(;i<NUM1;++i)

	{

		citer = ls.begin();


		dw1 = ::GetTickCount();

		while (citer!=ls.end())

		{

			citer++;

		}

		dw2 = ::GetTickCount();


		cout<<i<<" : "<<dw2-dw1<<endl;

		of<<i<<" : "<<dw2-dw1<<endl;

		total+=dw2-dw1;

	}

	cout<<"总消耗："<<total<<endl;

	of<<"总消耗："<<total<<endl;

	cout<<"平均消耗："<<float(total)/NUM1<<endl;

	of<<"平均消耗："<<float(total)/NUM1<<endl;


	cout<<endl;

	of<<endl;


	i=0;

	total=0;

	cout<<"++citer测试："<<endl;

	of<<"++citer测试："<<endl;


	for(;i<NUM1;++i)

	{

		citer = ls.begin();


		dw1 = ::GetTickCount();

		while (citer!=ls.end())

		{

			++citer;

		}

		dw2 = ::GetTickCount();


		cout<<i<<" : "<<dw2-dw1<<endl;

		of<<i<<" : "<<dw2-dw1<<endl;

		total+=dw2-dw1;

	}

	cout<<"总消耗："<<total<<endl;

	of<<"总消耗："<<total<<endl;

	cout<<"平均消耗："<<float(total)/NUM1<<endl;

	of<<"平均消耗："<<float(total)/NUM1<<endl;


	cout<<endl;

	of<<endl;

}

void test4_set_type2(ofstream &of)

{


	set<ElemType2> ls;

	char sz[255];

	for (int n=0;n<NUM3;++n)

	{

		itoa(n,sz,10);

		ls.insert(ElemType2(sz));

	}


	DWORD dw1,dw2,total=0;

	cout<<"set，使用type2："<<endl;

	of<<"set，使用type2："<<endl;


	cout<<"iter++测试："<<endl;

	of<<"iter++测试："<<endl;


	int i = 0,j=0;

	set<ElemType2>::iterator iter;

	set<ElemType2>::const_iterator citer;



	for(;i<NUM1;++i)

	{

		iter = ls.begin();

		dw1 = ::GetTickCount();

		while (iter!=ls.end())

		{

			iter++;

		}

		dw2 = ::GetTickCount();


		cout<<i<<" : "<<dw2-dw1<<endl;

		of<<i<<" : "<<dw2-dw1<<endl;

		total+=dw2-dw1;

	}

	cout<<"总消耗："<<total<<endl;

	of<<"总消耗："<<total<<endl;

	cout<<"平均消耗："<<float(total)/NUM1<<endl;

	of<<"平均消耗："<<float(total)/NUM1<<endl;


	cout<<endl;

	of<<endl;


	i=0;

	total=0;


	cout<<"++iter测试："<<endl;

	of<<"++iter测试："<<endl;


	for(;i<NUM1;++i)

	{

		iter = ls.begin();


		dw1 = ::GetTickCount();

		while (iter!=ls.end())

		{

			++iter;

		}

		dw2 = ::GetTickCount();


		cout<<i<<" : "<<dw2-dw1<<endl;

		of<<i<<" : "<<dw2-dw1<<endl;

		total+=dw2-dw1;

	}

	cout<<"总消耗："<<total<<endl;

	of<<"总消耗："<<total<<endl;

	cout<<"平均消耗："<<float(total)/NUM1<<endl;

	of<<"平均消耗："<<float(total)/NUM1<<endl;


	cout<<endl;

	of<<endl;



	i=0;

	total=0;

	cout<<"citer++测试："<<endl;

	of<<"citer++测试："<<endl;


	for(;i<NUM1;++i)

	{

		citer = ls.begin();


		dw1 = ::GetTickCount();

		while (citer!=ls.end())

		{

			citer++;

		}

		dw2 = ::GetTickCount();


		cout<<i<<" : "<<dw2-dw1<<endl;

		of<<i<<" : "<<dw2-dw1<<endl;

		total+=dw2-dw1;

	}

	cout<<"总消耗："<<total<<endl;

	of<<"总消耗："<<total<<endl;

	cout<<"平均消耗："<<float(total)/NUM1<<endl;

	of<<"平均消耗："<<float(total)/NUM1<<endl;


	cout<<endl;

	of<<endl;


	i=0;

	total=0;

	cout<<"++citer测试："<<endl;

	of<<"++citer测试："<<endl;


	for(;i<NUM1;++i)

	{

		citer = ls.begin();


		dw1 = ::GetTickCount();

		while (citer!=ls.end())

		{

			++citer;

		}

		dw2 = ::GetTickCount();


		cout<<i<<" : "<<dw2-dw1<<endl;

		of<<i<<" : "<<dw2-dw1<<endl;

		total+=dw2-dw1;

	}

	cout<<"总消耗："<<total<<endl;

	of<<"总消耗："<<total<<endl;

	cout<<"平均消耗："<<float(total)/NUM1<<endl;

	of<<"平均消耗："<<float(total)/NUM1<<endl;


	cout<<endl;

	of<<endl;

}

void test5_map_type1(ofstream &of)

{

	map<int,ElemType1> ls;


	for (int n=0;n<NUM3;++n)

	{

		ls.insert(pair<int,ElemType1>(n,ElemType1(n)));

	}


	DWORD dw1,dw2,total=0;

	cout<<"map，使用type1："<<endl;

	of<<"map，使用type1："<<endl;


	cout<<"iter++测试："<<endl;

	of<<"iter++测试："<<endl;


	int i = 0,j=0;

	map<int,ElemType1>::iterator iter;

	map<int,ElemType1>::const_iterator citer;



	for(;i<NUM1;++i)

	{

		iter = ls.begin();

		dw1 = ::GetTickCount();

		while (iter!=ls.end())

		{

			iter++;

		}

		dw2 = ::GetTickCount();


		cout<<i<<" : "<<dw2-dw1<<endl;

		of<<i<<" : "<<dw2-dw1<<endl;

		total+=dw2-dw1;

	}

	cout<<"总消耗："<<total<<endl;

	of<<"总消耗："<<total<<endl;

	cout<<"平均消耗："<<float(total)/NUM1<<endl;

	of<<"平均消耗："<<float(total)/NUM1<<endl;


	cout<<endl;

	of<<endl;


	i=0;

	total=0;


	cout<<"++iter测试："<<endl;

	of<<"++iter测试："<<endl;


	for(;i<NUM1;++i)

	{

		iter = ls.begin();


		dw1 = ::GetTickCount();

		while (iter!=ls.end())

		{

			++iter;

		}

		dw2 = ::GetTickCount();


		cout<<i<<" : "<<dw2-dw1<<endl;

		of<<i<<" : "<<dw2-dw1<<endl;

		total+=dw2-dw1;

	}

	cout<<"总消耗："<<total<<endl;

	of<<"总消耗："<<total<<endl;

	cout<<"平均消耗："<<float(total)/NUM1<<endl;

	of<<"平均消耗："<<float(total)/NUM1<<endl;


	cout<<endl;

	of<<endl;



	i=0;

	total=0;

	cout<<"citer++测试："<<endl;

	of<<"citer++测试："<<endl;


	for(;i<NUM1;++i)

	{

		citer = ls.begin();


		dw1 = ::GetTickCount();

		while (citer!=ls.end())

		{

			citer++;

		}

		dw2 = ::GetTickCount();


		cout<<i<<" : "<<dw2-dw1<<endl;

		of<<i<<" : "<<dw2-dw1<<endl;

		total+=dw2-dw1;

	}

	cout<<"总消耗："<<total<<endl;

	of<<"总消耗："<<total<<endl;

	cout<<"平均消耗："<<float(total)/NUM1<<endl;

	of<<"平均消耗："<<float(total)/NUM1<<endl;


	cout<<endl;

	of<<endl;


	i=0;

	total=0;

	cout<<"++citer测试："<<endl;

	of<<"++citer测试："<<endl;


	for(;i<NUM1;++i)

	{

		citer = ls.begin();


		dw1 = ::GetTickCount();

		while (citer!=ls.end())

		{

			++citer;

		}

		dw2 = ::GetTickCount();


		cout<<i<<" : "<<dw2-dw1<<endl;

		of<<i<<" : "<<dw2-dw1<<endl;

		total+=dw2-dw1;

	}

	cout<<"总消耗："<<total<<endl;

	of<<"总消耗："<<total<<endl;

	cout<<"平均消耗："<<float(total)/NUM1<<endl;

	of<<"平均消耗："<<float(total)/NUM1<<endl;


	cout<<endl;

	of<<endl;


}

void test5_map_type2(ofstream &of)

{

	map<int,ElemType2> ls;


	char sz[255];

	for (int n=0;n<NUM3;++n)

	{

		itoa(n,sz,10);

		ls.insert(pair<int,ElemType2>(n,ElemType2(sz)));

	}


	DWORD dw1,dw2,total=0;

	cout<<"map，使用type2："<<endl;

	of<<"map，使用type2："<<endl;


	cout<<"iter++测试："<<endl;

	of<<"iter++测试："<<endl;


	int i = 0,j=0;

	map<int,ElemType2>::iterator iter;

	map<int,ElemType2>::const_iterator citer;



	for(;i<NUM1;++i)

	{

		iter = ls.begin();

		dw1 = ::GetTickCount();

		while (iter!=ls.end())

		{

			iter++;

		}

		dw2 = ::GetTickCount();


		cout<<i<<" : "<<dw2-dw1<<endl;

		of<<i<<" : "<<dw2-dw1<<endl;

		total+=dw2-dw1;

	}

	cout<<"总消耗："<<total<<endl;

	of<<"总消耗："<<total<<endl;

	cout<<"平均消耗："<<float(total)/NUM1<<endl;

	of<<"平均消耗："<<float(total)/NUM1<<endl;


	cout<<endl;

	of<<endl;


	i=0;

	total=0;


	cout<<"++iter测试："<<endl;

	of<<"++iter测试："<<endl;


	for(;i<NUM1;++i)

	{

		iter = ls.begin();


		dw1 = ::GetTickCount();

		while (iter!=ls.end())

		{

			++iter;

		}

		dw2 = ::GetTickCount();


		cout<<i<<" : "<<dw2-dw1<<endl;

		of<<i<<" : "<<dw2-dw1<<endl;

		total+=dw2-dw1;

	}

	cout<<"总消耗："<<total<<endl;

	of<<"总消耗："<<total<<endl;

	cout<<"平均消耗："<<float(total)/NUM1<<endl;

	of<<"平均消耗："<<float(total)/NUM1<<endl;


	cout<<endl;

	of<<endl;



	i=0;

	total=0;

	cout<<"citer++测试："<<endl;

	of<<"citer++测试："<<endl;


	for(;i<NUM1;++i)

	{

		citer = ls.begin();


		dw1 = ::GetTickCount();

		while (citer!=ls.end())

		{

			citer++;

		}

		dw2 = ::GetTickCount();


		cout<<i<<" : "<<dw2-dw1<<endl;

		of<<i<<" : "<<dw2-dw1<<endl;

		total+=dw2-dw1;

	}

	cout<<"总消耗："<<total<<endl;

	of<<"总消耗："<<total<<endl;

	cout<<"平均消耗："<<float(total)/NUM1<<endl;

	of<<"平均消耗："<<float(total)/NUM1<<endl;


	cout<<endl;

	of<<endl;


	i=0;

	total=0;

	cout<<"++citer测试："<<endl;

	of<<"++citer测试："<<endl;


	for(;i<NUM1;++i)

	{

		citer = ls.begin();


		dw1 = ::GetTickCount();

		while (citer!=ls.end())

		{

			++citer;

		}

		dw2 = ::GetTickCount();


		cout<<i<<" : "<<dw2-dw1<<endl;

		of<<i<<" : "<<dw2-dw1<<endl;

		total+=dw2-dw1;

	}

	cout<<"总消耗："<<total<<endl;

	of<<"总消耗："<<total<<endl;

	cout<<"平均消耗："<<float(total)/NUM1<<endl;

	of<<"平均消耗："<<float(total)/NUM1<<endl;


	cout<<endl;

	of<<endl;

}


#define LOGFILE_PATH_A L"qin_nkl_23529303.etl"

int main()

{

	string strFileName = _FNAME;

	string strTime = __TIME__;

	for(int k=0;k<strTime.length();++k)

		if(strTime[k]==':')

			strTime[k]='-';

	strFileName+=strTime;

	strFileName+="_test1.txt";


	//文件测试用

	char sz[MAX_PATH];

	sprintf(sz,"F:\\parse_%s_%d.txt",LOGFILE_PATH_A,GetTickCount());

	cout<<sz<<endl;


	sprintf(sz,"F:\\parse_%S_%d.txt",LOGFILE_PATH_A,GetTickCount());

	cout<<sz<<endl;


	cin.get();

	return 0;


	//strFileName = sz;

	ofstream of(strFileName.c_str());


	of<<GetTickCount()<<endl;

	of.flush();

	of.close();

	cin.get();

	return 0;


	test1_int_i(of);

	test1_dword_i(of);

	test2_vec_type1(of);

	test2_vec_type2(of);

	test3_list_type1(of);

	test3_list_type2(of);

	test4_set_type1(of);

	test4_set_type2(of);

	test5_map_type1(of);

	test5_map_type2(of);



	cout<<"标记："<<g_dwFlag<<endl;

	of.flush();

	of.close();

	cin.get();

	return 0;

}

vector/list/set/map 遍历耗时统计的更多相关文章

map遍历的四种方式
原文 http://blog.csdn.net/dayanxuqun/article/details/26348277 以下是map遍历的四种方式: // 一.推荐只用value的时候用,都懂的... ...
java map遍历方式及效率
本文转载自Java Map遍历方式的选择. 只给出遍历方式及结论.测试数据可以去原文看. 如果你使用HashMap 同时遍历key和value时,keySet与entrySet方法的性能差异取决于ke ...
分页查询和分页缓存查询，List<Map<String, Object>>遍历和Map遍历
分页查询 String sql = "返回所有符合条件记录的待分页SQL语句"; int start = (page - 1) * limit + 1; int end = pag ...
springMVC Aspect AOP 接口耗时统计
在接口开发中,我们通常需要统计接口耗时,为后续接口性能做统计.在springMVC中可以用它的aop来记录日志. 1.在spring配置文件中开启AOP <!--*************** ...
js中三个对数组操作的函数 indexOf()方法 filter筛选 forEach遍历 map遍历
indexOf()方法 indexOf()方法返回在该数组中第一个找到的元素位置,如果它不存在则返回-1. 不使用indexOf时 var arr = ['apple','orange','pea ...
原生JS forEach()和map()遍历的区别以及兼容写法
一.原生JS forEach()和map()遍历共同点: 1.都是循环遍历数组中的每一项. 2.forEach() 和 map() 里面每一次执行匿名函数都支持3个参数:数组中的当前项item,当前 ...
map遍历性能记录
map遍历可以通过keySet或者entrySet方式. 性能上:entrySet略胜一筹,原因是keySet获取到key后再根据key去获取value,在查一遍,所以慢一些. keySet: //先 ...
forEach() 和 map() 遍历
1.forEach() 没有返回值. arr[].forEach(function(value,index,array){ //do something }) 参数:value数组中的当前项, i ...
js的map遍历和array遍历
1. array遍历: [1].forEach() forEach是ES5中操作数组的一种方法,主要功能是遍历数组.forEach方法中的function回调有三个参数:第一个参数是遍历的数组内容,第 ...

随机推荐

Linux系统下Qt环境搭建
http://www.linuxidc.com/Linux/2013-07/87576.htm 主要是需要提前安装一些动态库,否则编译的时候会出现 /usr/bin/ld: cannot find - ...
Luogu P2572 [SCOI2010]序列操作线段树。。
咕咕了...于是借鉴了小粉兔的做法ORZ... 其实就是维护最大子段和的线段树,但上面又多了一些操作....QWQ 维护8个信息:1/0的个数(sum),左/右边起1/0的最长长度(ls,rs),整段 ...
O（1）乘法与快速乘O（log）
//O(1)快速乘 inline LL quick_mul(LL x,LL y,LL MOD){ x=x%MOD,y=y%MOD; return ((x*y-(LL)(((long double)x* ...
Linux中断分层--工作队列
1. 工作队列是一种将任务推后执行的方式,它把推后的任务交由一个内核线程去执行.这样中断的下半部会在进程上下文执行,他允许重新调度甚至睡眠.每个被推后的任务叫做“工作”,由这些工作组成的队列称为工作队 ...
DataX 安装和使用
阿里云介绍: 1. 下载安装包.作为阿里主要的数据传输工具Datax,阿里已经完全开源到github上面了.下载地址(https://github.com/alibaba/DataX). 2. 安装环 ...
Open Closed Principle（OCP）开闭原则
面向对象的最基本原则 Software entites like classes,modules and functions should be open for extension but cloa ...
图解DTS和PTS
由于把视频编码成I,B,P等帧,如下图假设现在有I,B,P帧,那么要传输和显示呢?? 如果按照显示顺序传输的话: 传输顺序就是I->B>P 当对B帧进行解码后,由于B帧无法单独显 ...
(转)DB2 restart database命令的作用总结
DB2 restart database命令的作用总结原文:https://blog.csdn.net/qingsong3333/article/details/62049039 信息中心对于RES ...
ListView与ArrayAdapter的搭配使用
在android中,ListView是一种很重要的控件,一般的使用中,常建立一个所需类型的ArrayList,再通过ArrayAdapter把ListView绑定到ArrayList上,通过Array ...
python制作 whl 源文件，并制作本地pip源
制作whl 1.创建用于存放wheel文件目录 mkdir wheels 2.安装wheel库 pip install wheel 3.进入wheels目录 cd wheels 4.使用pip wh ...

vector/list/set/map 遍历耗时统计

vector/list/set/map 遍历耗时统计的更多相关文章

随机推荐

热门专题