public static void Main(string[] args)
{
var singleton = Singleton.GetInstance();
singleton = Singleton.GetInstance();
var singletonSafe = SingletonSafe.GetInstance();
singletonSafe = SingletonSafe.GetInstance();
var singletonSafe2 = SingletonSafe2.GetInstance();
singletonSafe2 = SingletonSafe2.GetInstance();
var singletonReadOnly = SingletonReadOnly.GetInstance();
singletonReadOnly = SingletonReadOnly.GetInstance();
var singletonLazy = SingletonLazy.GetInstance();
singletonLazy = SingletonLazy.GetInstance();
var singletonGeneric = SingletonGeneric.GetInstance();
singletonGeneric = SingletonGeneric.GetInstance();
var singletonGeneric2 = SingletonGeneric2.GetInstance();
singletonGeneric2 = SingletonGeneric2.GetInstance();
Console.ReadKey();
}
static void Main(string[] args)
{
var stopwatch = new Stopwatch();
// ====== SingletonGetterLock =======
stopwatch.Start();
SingletonGetterLock singleton1 = null;
Parallel.For(0, 10, task =>
{
for (int i = 0; i < 1_000_000; i++)
{
singleton1 = SingletonGetterLock.Instance;
}
});
stopwatch.Stop();
Console.WriteLine($"Number of ticks for SingletonGetterLock: {stopwatch.ElapsedTicks}");
stopwatch.Reset();
// ====== SingletonDoubleCheck ======
stopwatch.Start();
SingletonDoubleCheck singleton2 = null;
Parallel.For(0, 10, task =>
{
for (int i = 0; i < 1_000_000; i++)
{
singleton2 = SingletonDoubleCheck.Instance;
}
});
stopwatch.Stop();
Console.WriteLine($"Number of ticks for SingletonDoubleCheck: {stopwatch.ElapsedTicks}");
stopwatch.Reset();
// ====== SingletonLazy =============
stopwatch.Start();
SingletonLazy singleton3 = null;
Parallel.For(0, 10, task =>
{
for (int i = 0; i < 1_000_000; i++)
{
singleton3 = SingletonLazy.Instance;
}
});
stopwatch.Stop();
Console.WriteLine($"Number of ticks for SingletonLazy: {stopwatch.ElapsedTicks}");
Console.ReadKey();
}
