private static void CompareReflectAndEmitBinding()
{
const int count = 2000;
Console.ForegroundColor = ConsoleColor.Green;
System.Console.WriteLine("\n======= Compare Reflect and Emit Binding performance =======");
var viewModels = new TestViewModel[count];
var viewModel2s = new TestViewModel2[count];
DynamicEngine.SetBindingManager(new ReflectManager());
for (int i = 0; i < count; i++)
{
var viewModel2 = new TestViewModel2();
var viewModel = new TestViewModel();
viewModels[i] = viewModel;
viewModel2s[i] = viewModel2;
BindingEngine.SetPropertyBinding(viewModel2, testView => testView.Age, viewModel, model => model.Age);
}
var sw = new Stopwatch();
sw.Reset();
sw.Start();
for (int i = 0; i < count; i++)
{
viewModels[i].Age = i;
}
sw.Stop();
Console.ForegroundColor = ConsoleColor.White;
System.Console.WriteLine("Reflect manager time elapsed {0}", sw.ElapsedMilliseconds);
DynamicEngine.SetBindingManager(new EmitManager());
for (int i = 0; i < count; i++)
{
var viewModel2 = new TestViewModel2();
var viewModel = new TestViewModel();
viewModels[i] = viewModel;
viewModel2s[i] = viewModel2;
BindingEngine.SetPropertyBinding(viewModel2, testView => testView.Age, viewModel, model => model.Age);
}
sw = new Stopwatch();
sw.Reset();
sw.Start();
for (int i = 0; i < count; i++)
{
viewModels[i].Age = i;
}
sw.Stop();
Console.ForegroundColor = ConsoleColor.Yellow;
System.Console.WriteLine("Emit manager time elapsed {0}", sw.ElapsedMilliseconds);
}
private static void CompareReflectAndEmitAccess()
{
Console.ForegroundColor = ConsoleColor.Green;
System.Console.WriteLine("======= Compare Reflect and Emit Access performance =======");
var viewModel = new TestViewModel();
const int count = 80000;
var reflectManager = new ReflectManager();
var emitManager = new EmitManager();
viewModel.TestViewModelEvent += viewModel_TestViewModelEvent;
// 1. SetProperty
var sw = new Stopwatch();
sw.Reset();
sw.Start();
for (int i = 0; i < count; i++)
{
reflectManager.SetProperty(viewModel, "Age", i);
}
sw.Stop();
Console.ForegroundColor = ConsoleColor.White;
System.Console.WriteLine("1. SetProperty Reflect time elapsed {0}", sw.ElapsedMilliseconds);
sw.Reset();
sw.Start();
for (int i = 0; i < count; i++)
{
emitManager.SetProperty(viewModel, "Age", i);
}
sw.Stop();
Console.ForegroundColor = ConsoleColor.Yellow;
System.Console.WriteLine("1. SetProperty Emit time elapsed {0}", sw.ElapsedMilliseconds);
// 2. GetProperty
sw.Reset();
sw.Start();
for (int i = 0; i < count; i++)
{
reflectManager.GetProperty(viewModel, "Age");
}
sw.Stop();
Console.ForegroundColor = ConsoleColor.White;
System.Console.WriteLine("2. GetProperty Reflect time elapsed {0}", sw.ElapsedMilliseconds);
sw.Reset();
sw.Start();
for (int i = 0; i < count; i++)
{
emitManager.GetProperty(viewModel, "Age");
}
sw.Stop();
Console.ForegroundColor = ConsoleColor.Yellow;
System.Console.WriteLine("2. GetProperty Emit time elapsed {0}", sw.ElapsedMilliseconds);
// 3. Get Index property
sw.Reset();
sw.Start();
for (int i = 0; i < count; i++)
{
reflectManager.GetIndexProperty(viewModel, 1);
}
sw.Stop();
Console.ForegroundColor = ConsoleColor.White;
System.Console.WriteLine("3. GetIndexProperty Reflect time elapsed {0}", sw.ElapsedMilliseconds);
sw.Reset();
sw.Start();
for (int i = 0; i < count; i++)
{
emitManager.GetIndexProperty(viewModel, 1);
}
sw.Stop();
Console.ForegroundColor = ConsoleColor.Yellow;
System.Console.WriteLine("3. GetIndexProperty Emit time elapsed {0}", sw.ElapsedMilliseconds);
// 4. Set Index property
sw.Reset();
sw.Start();
for (int i = 0; i < count; i++)
{
reflectManager.SetIndexProperty(viewModel, i, i);
}
sw.Stop();
Console.ForegroundColor = ConsoleColor.White;
System.Console.WriteLine("4. SetIndexProperty Reflect time elapsed {0}", sw.ElapsedMilliseconds);
sw.Reset();
sw.Start();
for (int i = 0; i < count; i++)
{
emitManager.SetIndexProperty(viewModel, i, i);
}
sw.Stop();
Console.ForegroundColor = ConsoleColor.Yellow;
System.Console.WriteLine("4. SetIndexProperty Emit time elapsed {0}", sw.ElapsedMilliseconds);
// 5. Create Instance
sw.Reset();
sw.Start();
for (int i = 0; i < count; i++)
{
reflectManager.CreateInstance<TestViewModel>();
}
sw.Stop();
Console.ForegroundColor = ConsoleColor.White;
System.Console.WriteLine("5. CreateInstance<T> Reflect time elapsed {0}", sw.ElapsedMilliseconds);
sw.Reset();
sw.Start();
for (int i = 0; i < count; i++)
{
emitManager.CreateInstance<TestViewModel>();
}
sw.Stop();
Console.ForegroundColor = ConsoleColor.Yellow;
System.Console.WriteLine("5. CreateInstance<T> Emit time elapsed {0}", sw.ElapsedMilliseconds);
// 6. Get method info
sw.Reset();
sw.Start();
for (int i = 0; i < count; i++)
{
reflectManager.GetMethodInfo(typeof(TestViewModel), "SetAge", new object[] { 1 });
}
sw.Stop();
Console.ForegroundColor = ConsoleColor.White;
System.Console.WriteLine("6. GetMethodInfo Reflect time elapsed {0}", sw.ElapsedMilliseconds);
sw.Reset();
sw.Start();
for (int i = 0; i < count; i++)
{
emitManager.GetMethodInfo(typeof(TestViewModel), "SetAge", new object[] { 1 });
}
sw.Stop();
Console.ForegroundColor = ConsoleColor.Yellow;
System.Console.WriteLine("6. GetMethodInfo Emit time elapsed {0}", sw.ElapsedMilliseconds);
// 7. Get Field
sw.Reset();
sw.Start();
for (int i = 0; i < count; i++)
{
reflectManager.GetField(viewModel, "_name");
}
sw.Stop();
Console.ForegroundColor = ConsoleColor.White;
System.Console.WriteLine("7. GetField Reflect time elapsed {0}", sw.ElapsedMilliseconds);
sw.Reset();
sw.Start();
for (int i = 0; i < count; i++)
{
emitManager.GetField(viewModel, "_name");
}
sw.Stop();
Console.ForegroundColor = ConsoleColor.Yellow;
System.Console.WriteLine("7. GetField Emit time elapsed {0}", sw.ElapsedMilliseconds);
// 8. Set Field
sw.Reset();
sw.Start();
for (int i = 0; i < count; i++)
{
reflectManager.SetField(viewModel, "_age", i);
}
sw.Stop();
Console.ForegroundColor = ConsoleColor.White;
System.Console.WriteLine("8. SetField Reflect time elapsed {0}", sw.ElapsedMilliseconds);
sw.Reset();
sw.Start();
for (int i = 0; i < count; i++)
{
emitManager.SetField(viewModel, "_age", i);
}
sw.Stop();
Console.ForegroundColor = ConsoleColor.Yellow;
System.Console.WriteLine("8. SetField Emit time elapsed {0}", sw.ElapsedMilliseconds);
// 9. Invoke Method
sw.Reset();
sw.Start();
for (int i = 0; i < count; i++)
{
reflectManager.InvokeMethod(viewModel, "SetAge", new object[] { i });
}
sw.Stop();
Console.ForegroundColor = ConsoleColor.White;
System.Console.WriteLine("9. Invoke method Reflect time elapsed {0}", sw.ElapsedMilliseconds);
sw.Reset();
sw.Start();
for (int i = 0; i < count; i++)
{
emitManager.InvokeMethod(viewModel, "SetAge", new object[] { i });
}
sw.Stop();
Console.ForegroundColor = ConsoleColor.Yellow;
System.Console.WriteLine("9. Invoke method Emit time elapsed {0}", sw.ElapsedMilliseconds);
// 10. Raise Event
sw.Reset();
sw.Start();
for (int i = 0; i < count; i++)
{
reflectManager.RaiseEvent(viewModel, "TestViewModelEvent", null);
}
sw.Stop();
Console.ForegroundColor = ConsoleColor.White;
System.Console.WriteLine("10. Raise event Reflect time elapsed {0}", sw.ElapsedMilliseconds);
sw.Reset();
sw.Start();
for (int i = 0; i < count; i++)
{
emitManager.RaiseEvent(viewModel, "TestViewModelEvent", null);
}
sw.Stop();
Console.ForegroundColor = ConsoleColor.Yellow;
System.Console.WriteLine("10. Raise event Emit time elapsed {0}", sw.ElapsedMilliseconds);
}
