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Posted 18 Jan 2003

Buffer Pool \ Object Pool

, 18 Jan 2003
An article on optimization of the use of dynamic memory.
// DemoDlg.h : header file

#if !defined(AFX_DEMODLG_H__C77D5BA1_B9E2_4C03_B79D_BA54D2E894EF__INCLUDED_)
#define AFX_DEMODLG_H__C77D5BA1_B9E2_4C03_B79D_BA54D2E894EF__INCLUDED_

#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000

#include "BufferPool.h"
#include "ObjectPool.h"

class SomeType
	SomeType(){i = 1;f = 0.2F;d[0] = f;}
    virtual ~SomeType(){}
	virtual int DoSomethingOrRather(){memset(NameOfSomethingOrRather,0,MAX_PATH); return i;}
	virtual float  GetTheFlaot(){return f;}
	static int OneMoreMethod(){return 1;}
	TCHAR NameOfSomethingOrRather[MAX_PATH];
	int   i;
	float f;
	double d[10];


// CDemoDlg dialog

class CDemoDlg : public CDialog
// Construction

	CObjectPool<SomeType> SomeTypeObjectPool;

	CBufferPool m_BuffPoolObj;

	UINT	m_BPFreeCount;
	UINT	m_RegFreeCount;
	UINT	m_BPAllocateCount;
	UINT	m_RegAllocateCount;

	__int64		m_nBPTotalTime;

	__int64		m_nRegTotalTime;

	CDemoDlg(CWnd* pParent = NULL);	// standard constructor

	virtual ~CDemoDlg();

// Dialog Data
	enum { IDD = IDD_DEMO_DIALOG };
	CProgressCtrl	m_RegularAllocationProgress;
	CProgressCtrl	m_BuffPollProgress;
	CString	m_BPFreeStatic;
	CString	m_RegFreeStatic;
	CString	m_BPAllocateStatic;
	CString	m_RegAllocateStatic;
	CString	m_BPAvTime;
	CString	m_RegAvTime;
	CString	m_BPTotalTime;
	CString	m_RegTotalTime;
	DWORD	m_nBufferSize;
	DWORD	m_nMaximumBuffers;
	DWORD	m_nNumberOfOperations;
	DWORD	m_nNumberOfThreads;
	UINT	m_nMinNumberOfSegments;
	UINT	m_nMaxNumberOfSegments;
	UINT	m_nInitialNumberOfSegments;
	float	m_nFreeBuffersPrecentForSegmentDeletion;
	UINT	m_nBuffersPerSegment;

	// ClassWizard generated virtual function overrides
	virtual void DoDataExchange(CDataExchange* pDX);	// DDX/DDV support

// Implementation
	HICON m_hIcon;

	// Generated message map functions
	virtual BOOL OnInitDialog();
	afx_msg void OnSysCommand(UINT nID, LPARAM lParam);
	afx_msg void OnPaint();
	afx_msg HCURSOR OnQueryDragIcon();
	afx_msg void OnTestButton();
	afx_msg void OnTimer(UINT nIDEvent);
	afx_msg void OnTestBpButton();
	afx_msg void OnTestGlobalButton();

// Microsoft Visual C++ will insert additional declarations immediately before the previous line.

#endif // !defined(AFX_DEMODLG_H__C77D5BA1_B9E2_4C03_B79D_BA54D2E894EF__INCLUDED_)

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About the Author

Uri Twig
Web Developer
Israel Israel
4 years expirience coding C++ with MFC & STL and coding C for Windows XP/2K internals (Drivers).

I Love what I do.

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