int _tmain(int argc, _TCHAR* argv[])
{
printf("<< Small File Create, Copy! (1GB) >>\n\n");
LARGE_INTEGER fileSize;
fileSize.QuadPart = 1024*1024*1024;
_ASSERTE(create_very_big_file(L"small.txt", 512));
StopWatch sw1;
sw1.Start();
_ASSERTE(file_copy_using_read_write(L"small.txt", L"small1.txt"));
sw1.Stop();
print("[*] read & write time elapsed = %f\n", sw1.GetDurationSecond());
StopWatch sw2;
sw2.Start();
_ASSERTE(file_copy_using_memory_map(L"small.txt", L"small2.txt"));
sw2.Stop();
print("[*] mmio time elapsed = %f\n", sw2.GetDurationSecond());
printf("\nBig File Create & Copy Start!\n\n");
_sleep(2);
printf("<< Big File Create, Copy! (10GB) >>\n");
StopWatch sw3;
sw3.Start();
_ASSERTE(file_copy_using_read_write(L"big.txt", L"big1.txt"));
sw3.Stop();
print("[*] read & write time elapsed = %f\n", sw3.GetDurationSecond());
/*
LARGE_INTEGER offset;
offset.QuadPart=512;
_ASSERTE(create_very_big_file(L"big.txt", 10*1024));
FileIoHelper *a = new FileIoHelper;
LARGE_INTEGER msize;
msize.QuadPart = 1024*1024*1024*10;
StopWatch sw4;
sw4.Start();
_ASSERTE(file_copy_using_memory_map(L"big.txt", L"big1.txt"));
a->FIOpenForRead(L"big.txt");
a->FIOCreateFile(L"big2.txt", msize);
sw4.Stop();
*/
return 0;
}
int _tmain(int argc, _TCHAR* argv[])
{
LARGE_INTEGER fileSize;
fileSize.QuadPart = 10240000000;
_ASSERTE(create_very_big_file(L"big.txt", 4));
StopWatch sw1;
sw1.Start();
_ASSERTE(file_copy_using_read_write(L"big.txt", L"big1.txt"));
sw1.Stop();
print("info] time elapsed = %f", sw1.GetDurationSecond());
StopWatch sw2;
sw2.Start();
_ASSERTE(file_copy_using_memory_map(L"big.txt", L"big2.txt"));
sw2.Stop();
print("info] time elapsed = %f", sw2.GetDurationMilliSecond());
return 0;
}
int _tmain(int argc, _TCHAR* argv[])
{
_ASSERTE(create_very_big_file(L"big.txt", 1));
StopWatch sw2;
sw2.Start();
_ASSERTE(file_copy_using_memory_map(L"big.txt", L"big3.txt"));
sw2.Stop();
print("info] time elapsed = %f", sw2.GetDurationSecond());
StopWatch sw;
sw.Start();
_ASSERTE(file_copy_using_read_write(L"big.txt", L"big2.txt"));
sw.Stop();
print("info] time elapsed = %f", sw.GetDurationSecond());
return 0;
}
