static void Main(string[] args)
{
var processorsX = Convert.ToInt32("10101000", 2);
if (args.Length != 3)
{
Console.WriteLine("需要傳入引數 : 多執行緒模式 計算方式 使用CPU模式");
Console.WriteLine("多執行緒模式 : Yes , No");
Console.WriteLine("計算方式 : NoLock , UserModeLock , UsingNETLock , NoLockByLocal");
Console.WriteLine("使用CPU模式 : 1000000 , 11000000 , 10100000 , 11110000 , 10101000");
return;
}
var multiThread = args[0];
var type = args[1];
var cpu = args[2];
var processors = Convert.ToInt32(cpu, 2);
AddSubAction addSubAction = (AddSubAction)Enum.Parse(typeof(AddSubAction), type);
Process.GetCurrentProcess().ProcessorAffinity =
(IntPtr)processors;
if (multiThread.ToLower() == "no")
{
SyncAddSub();
}
else
{
AsyncAddSub(addSubAction);
}
}
public void Adds(AddSubAction addSubAction = AddSubAction.NoLock)
{
int localCounter = 0;
for (int i = 0; i < int.MaxValue; i++)
{
if (addSubAction == AddSubAction.NoLock)
{
counter++;
}
else if (addSubAction == AddSubAction.UserModeLock)
{
Interlocked.Add(ref counter, 1);
}
else if (addSubAction == AddSubAction.UsingNETLock)
{
lock (locker)
{
counter++;
}
}
else if (addSubAction == AddSubAction.NoLockByLocal)
{
localCounter++;
}
}
if (addSubAction == AddSubAction.NoLockByLocal)
{
Interlocked.Add(ref counter, localCounter);
}
}
static void AsyncAddSub(AddSubAction addSubAction)
{
WaitHandle[] waitHandles = new WaitHandle[]
{
new AutoResetEvent(false),
new AutoResetEvent(false)
};
AddSub addSub = new AddSub();
Thread thread1 = new Thread(x =>
{
addSub.Adds(addSubAction);
(waitHandles[0] as AutoResetEvent).Set();
});
Thread thread2 = new Thread(x =>
{
addSub.Subs(addSubAction);
(waitHandles[1] as AutoResetEvent).Set();
});
Stopwatch stopwatch = new Stopwatch();
stopwatch.Start();
thread1.Start();
thread2.Start();
WaitHandle.WaitAll(waitHandles);
stopwatch.Stop();
Console.WriteLine($"Counter={AddSub.counter}, {stopwatch.ElapsedMilliseconds:N0}ms");
}
