同樣的1000萬數組的排序算法為什么C# 用時0.5秒,而C語言用時0.6秒?
C語言 算法庫
C#調用范例:
[DllImport("BwsyqIndex.dll")]
public static extern void HzSort(int[] mi, int num_elements);
protected void Page_Load(object sender, EventArgs e)
{
int iUp = 1000000;
Random ro = new Random(10000000);
long tick = DateTime.Now.Ticks;
int[] a = new int[10000000];
for (int i = 0; i < 10000000; i++)
{
a[i] = ro.Next(10000000);
}
//開始時間
TimeSpan runTime = new TimeSpan(DateTime.Now.Ticks);
HzSort(a, 10000000);
//結束時間
TimeSpan timeNow = new TimeSpan(DateTime.Now.Ticks);
//時間間隔
TimeSpan ts = timeNow.Subtract(runTime).Duration();
Response.Write(" 用時:" + ts.TotalSeconds.ToString() + "秒 " + ts.TotalMilliseconds.ToString() + "毫秒");
}