樹莓派硬件信息
型號:樹莓派3B+
系統:Linux raspberrypi buster 32位
CPU:ARMv7
grep "model name" /proc/cpuinfo
getconf LONG_BIT
uname -a
.net版本
java版本
.net代碼
using System;
namespace ConsoleApp3
{
class Program
{
static void Main(string[] args)
{
int Total = 1000000000;
if (args.Length != 0) {
Total = Int32.Parse(args[0]);
}
var dt = DateTime.Now;
for (int i = 0; i < Total; i++) ;
var dw = (DateTime.Now-dt).TotalMilliseconds;
Console.WriteLine($@"{Total}次累加運算:{dw} ms");
}
}
}
java代碼
import java.util.Date;
public class TestSpeed {
public static void main(String[] args) {
int Total = 1000000000;
if (args.length != 0) {
Total = Integer.parseInt(args[0]);
}
long dt = new Date().getTime();
for (int i = 0; i < Total; i++) ;
long dw = new Date().getTime()-dt;
System.out.println(Total+"次累加運算:"+dw+" ms");
}
}
反正我被驚呆了,這差的也太遠了。
上面的代碼生成的測試工具:https://pan.baidu.com/s/1_duKJDVVqDSUZ6Cp6-VGmQ