- make-it-faster.zip
- src
- make_it_faster.sln
- make_it_faster
- make_it_faster_80.sln
- win32_arena_local_sample
- arena_local_sample.vcproj
- arena_local_sample_80.vcproj
- arena_local_sample_80.vcproj.DEV.ligen.user
- local.cpp
- win32_arena_sample
- arena_sample.vcproj
- arena_sample_80.vcproj
- arena_sample_80.vcproj.DEV.ligen.user
- main.cpp
- win32_arena_tests
- arena_tests.cpp
- arena_tests.vcproj
- arena_tests_80.vcproj
- arena_tests_80.vcproj.DEV.ligen.user
- win32_fast_object_sample
- fast_object_sample.vcproj
- fast_object_sample_80.vcproj
- fast_object_sample_80.vcproj.DEV.ligen.user
- placement.cpp
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#include "cmnFastObjects.h"
#include "string"
#include "iostream"
#include "memory"
#include "windows.h"
// mega factory
struct ISomethingAbstract
{
virtual ~ISomethingAbstract(){}
virtual void DoIt()=0;
virtual void Validate(int iValue)=0;
};
class CObject1:public ISomethingAbstract
{
int m_iCount;
public:
CObject1()
: m_iCount(0)
{
//std::cout<<"CObject2:CObject2 \n";
}
CObject1(const CObject1 & obj)
: m_iCount(obj.m_iCount)
{
//std::cout<<"CObject2:CObject2(const CObject2 & obj) \n";
}
~CObject1()
{
//std::cout<<"CObject2:~CObject2 \n";
}
virtual void DoIt()
{
++m_iCount;
//std::cout<<"CObject2::DoIt\n";
}
virtual void Validate(int iValue)
{
if (m_iCount != iValue)
abort();
}
};
class CObject2:public ISomethingAbstract
{
int m_iCount;
public:
CObject2()
: m_iCount(0)
{
}
CObject2(const CObject2 & obj)
: m_iCount(obj.m_iCount)
{
}
~CObject2()
{
}
virtual void DoIt()
{
++m_iCount;
}
virtual void Validate(int iValue)
{
if (m_iCount != iValue)
abort();
}
};
class CFastConcreteFactory
{
public:
typedef utils::Node<utils::manageable<CObject1, utils::allow_copy>,
utils::Node<utils::manageable<CObject2, utils::allow_copy>,
utils::NullNode
>
> ObjectList;
static const size_t MaxObjectSize = utils::GetMaxSize<ObjectList>::Result;
typedef utils::CFastObject<MaxObjectSize, ISomethingAbstract> AnyObject;
void CreateSmth(int iValue, AnyObject * pResult)
{
if (iValue<0)
{
pResult->CreateByCopy(utils::manageable<CObject1, utils::allow_copy>());
}
else
{
pResult->CreateByCopy(utils::manageable<CObject2, utils::allow_copy>());
}
}
};
class CStandardFactory
{
public:
void CreateSmth(int iValue, std::auto_ptr<ISomethingAbstract> * pResult)
{
if (iValue<0)
{
pResult->reset(new CObject1);
}
else
{
pResult->reset(new CObject2);
}
}
};
void RunUnitTests()
{
CFastConcreteFactory factory;
CFastConcreteFactory::AnyObject object2;
factory.CreateSmth(-1, &object2);
object2->DoIt();
factory.CreateSmth(1, &object2);
object2->DoIt();
utils::CFastObject<50, std::string> object;
utils::manageable<std::string, utils::allow_all> str("hello_world");
object.CreateByCopy(str);
// test initialization
if (*object.GetInterface<std::string>() != "hello_world")
{
abort();
}
// test copy
{
utils::CFastObject<50, std::string> copy_of_object;
object.Copy( ©_of_object );
if (*copy_of_object.GetInterface<std::string>() != "hello_world")
{
abort();
}
}
// test move
{
utils::CFastObject<50, std::string> copy_of_object;
object.Move( ©_of_object );
if (*copy_of_object.GetInterface<std::string>() != "hello_world")
{
abort();
}
if (!object.IsClean())
{
abort();
}
}
}
void RunPerformanceTests()
{
const int iIterCount = 10000000;
{ // standard way
Sleep(0);
DWORD dwBegin = GetTickCount();
CStandardFactory factory;
std::auto_ptr<ISomethingAbstract> object2;
for(int i =0;i<iIterCount;++i)
{
factory.CreateSmth(-1, &object2);
object2->DoIt();
object2->Validate(1);
}
DWORD dwEnd = GetTickCount();
std::cout<<"Normal time: "<<dwEnd-dwBegin<<"\n";
}
{ // optimized way
Sleep(0);
DWORD dwBegin = GetTickCount();
CFastConcreteFactory factory;
CFastConcreteFactory::AnyObject object2;
for(int i =0;i<iIterCount;++i)
{
factory.CreateSmth(-1, &object2);
object2->DoIt();
object2->Validate(1);
}
DWORD dwEnd = GetTickCount();
std::cout<<"FastObject time: "<<dwEnd-dwBegin<<"\n";
}
}
int main()
{
RunUnitTests();
RunPerformanceTests();
return 0;
}
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