public void CompareFormatterServicesActivationAndDynamicFactoryMethod()
{
int iterations = 1000000;
Stopwatch stopwatch1 = new Stopwatch();
Stopwatch stopwatch2 = new Stopwatch();
ConstructorInfo constructor = typeof(BenchmarkObject).GetConstructor(new Type[] { typeof(int), typeof(string) });
FactoryMethod factoryMethod = DynamicMethodFactory.CreateFactoryMethod(constructor);
for (int index = 0; index < iterations; index++)
{
stopwatch1.Start();
BenchmarkObject mock1 = (BenchmarkObject)FormatterServices.GetSafeUninitializedObject(typeof(BenchmarkObject));
constructor.Invoke(mock1, new object[] { 42, "foobar" });
stopwatch1.Stop();
stopwatch2.Start();
BenchmarkObject mock2 = (BenchmarkObject)factoryMethod(42, "foobar");
stopwatch2.Stop();
}
Console.WriteLine("{0:0,0} iterations:", iterations);
Console.WriteLine("FormatterServices/Constructor.Invoke: {0:0,0} ms", stopwatch1.ElapsedMilliseconds);
Console.WriteLine("Dynamic FactoryMethod: {0:0,0} ms", stopwatch2.ElapsedMilliseconds);
Console.WriteLine("Speedup: {0:f}x",
((double)stopwatch1.ElapsedMilliseconds / (double)stopwatch2.ElapsedMilliseconds));
}
/*----------------------------------------------------------------------------------------*/
#region Public Methods
/// <summary>
/// Creates a new instance of a type by calling the injector's constructor.
/// </summary>
/// <param name="arguments">The arguments to pass to the constructor.</param>
/// <returns>A new instance of the type associated with the injector.</returns>
public object Invoke(params object[] arguments)
{
if (_factoryMethod == null)
_factoryMethod = DynamicMethodFactory.CreateFactoryMethod(Member);
return _factoryMethod.Invoke(arguments);
}