FilePerformanceCheck.cpp

[詳解]

 
 
#include "pch.h"
#include "FilePerformanceCheck.h"
 
using namespace PerfCheck;
 
FilePerformanceCheck::FilePerformanceCheck (alt::Console& console)
    :PerformanceCheck (console)
{
    _maxFileSize = -1;
}
 
FilePerformanceCheck::~FilePerformanceCheck ()
{
}
 
BOOL FilePerformanceCheck::DoAction ()
{
    _maxFileSize = 16 * 1000;
    this->Core ((int)pow (2, 0));   //           1
    this->Core ((int)pow (2, 1));   //           2
    this->Core ((int)pow (2, 2));   //           4
    this->Core ((int)pow (2, 3));   //           8
    this->Core ((int)pow (2, 4));   //          16
 
    _maxFileSize = 512 * 100;
    this->Core ((int)pow (2, 5));   //          32
    this->Core ((int)pow (2, 6));   //          64
    this->Core ((int)pow (2, 7));   //         128
    this->Core ((int)pow (2, 8));   //         256
    this->Core ((int)pow (2, 9));   //         512
 
    _maxFileSize = 16384 * 100;
    this->Core ((int)pow (2, 10));  //       1,024
    this->Core ((int)pow (2, 11));  //       2,048
    this->Core ((int)pow (2, 12));  //       4,096
    this->Core ((int)pow (2, 13));  //       8,192
    this->Core ((int)pow (2, 14));  //      16,384
 
    _maxFileSize = 1048576 * 100;
    this->Core ((int)pow (2, 15));  //      32,768
    this->Core ((int)pow (2, 16));  //      65,536
    this->Core ((int)pow (2, 17));  //     131,072
    this->Core ((int)pow (2, 18));  //     262,144
    this->Core ((int)pow (2, 19));  //     524.288
    this->Core ((int)pow (2, 20));  //   1,048,576
 
    _maxFileSize = 33554432 * 10;
    this->Core ((int)pow (2, 21));  //   2,097,152
    this->Core ((int)pow (2, 22));  //   4,194,304
    this->Core ((int)pow (2, 23));  //   8,388,608
    this->Core ((int)pow (2, 24));  //  16,777,216
    this->Core ((int)pow (2, 25));  //  33,554,432
 
    return TRUE;
}
 
BOOL FilePerformanceCheck::Core (const int param1)
{
    this->Core1 (param1);
    this->Core2 (param1);
 
    return TRUE;
}
 
BOOL FilePerformanceCheck::Core1 (const int param1)
{
    alt::QueryPerformance Q;
 
    Q.Start ();
 
    alt::File file;
    BYTE* byDummy = new BYTE[param1];
    ZeroMemory (byDummy, param1 * sizeof (BYTE));
    int writeSize = 0;
 
    file.Create (_T (".\\test.bin"), GENERIC_WRITE, FILE_SHARE_WRITE, CREATE_ALWAYS);
 
    while (writeSize < _maxFileSize)
    {
        DWORD dwWritten = file.Write (byDummy, param1 * sizeof (BYTE));
        writeSize += dwWritten;
    }
 
    file.Close ();
 
    delete[] byDummy;
 
    Q.Stop ();
 
    double writePerformance = ((writeSize / 1024 / 1024) / (Q.PastTime () / 1000));
 
    _console.Format (_T ("%10dbytes単位の書き込み 書き込み量:%10d 書き込み時間：%10.4fmsec 結果:%9.4fMBytes/sec\n"),
                     param1, writeSize, Q.PastTime (), writePerformance);
 
    return TRUE;
}
 
BOOL FilePerformanceCheck::Core2 (const int param1)
{
    alt::QueryPerformance Q;
 
    Q.Start ();
 
    alt::File file;
    BYTE* byDummy = new BYTE[param1];
    ZeroMemory (byDummy, param1 * sizeof (BYTE));
    int readSize = 0;
 
    file.Create (_T (".\\test.bin"), GENERIC_READ, FILE_SHARE_READ, OPEN_EXISTING);
 
    while (readSize < _maxFileSize)
    {
        DWORD dwRead = file.Read (byDummy, param1 * sizeof (BYTE));
        readSize += dwRead;
    }
 
    file.Close ();
 
    delete[] byDummy;
 
    Q.Stop ();
 
    double readPerformance = ((readSize / 1024 / 1024) / (Q.PastTime () / 1000));
 
    _console.Format (_T ("%10dbytes単位の書き込み 書き込み量:%10d 書き込み時間：%10.4fmsec 結果:%9.4fMBytes/sec\n"),
                     param1, readSize, Q.PastTime (), readPerformance);
 
    return TRUE;
}