boost pool效能對比

// testPool.cpp : 定義控制台應用程式的進入點。<br />//</p><p>#include "stdafx.h"<br />#include <boost/pool/object_pool.hpp><br />#include <boost/pool/object_pool.hpp><br />#include <boost/pool/pool.hpp></p><p>using namespace std;<br />using namespace boost;</p><p>class member<br />{<br />public:<br />byte bc;<br />int *ia;<br />intib[100];<br />public:<br />member()<br />{</p><p>}<br />};<br />typedef member* pMember;</p><p>//2<br />object_pool<member> m_pool2;</p><p>//1<br />pool<>m_pool(sizeof(member));</p><p>#define max 1000</p><p>int _tmain(int argc, _TCHAR* argv[])<br />{<br />DWORD t1 = GetTickCount();<br />pMember m[max];<br />//1<br />for (int i=0;i<max;i++)<br />{<br />m[i] = (pMember)m_pool.malloc();<br />}<br />for (int i=0;i<max;i++)<br />{<br />m_pool.free(m[i]);<br />}<br />printf("time1 val=%d/n",GetTickCount()-t1);//-----------0ms</p><p>//2<br />t1 = GetTickCount();<br />for (int i=0;i<max;i++)<br />{<br />m[i] = (pMember)m_pool2.malloc();<br />//m[i] = m_pool2.construct();<br />}<br />for (int i=0;i<max;i++)<br />{<br />m_pool2.free(m[i]);<br />}<br />printf("time2 val=%d/n",GetTickCount()-t1);//-----------60-80ms</p><p>system("pause");<br />return 0;<br />}</p><p>

 

object_pool的記憶體釋放方面確實落後，難怪有人說object_pool是boost pool中的敗筆。