Hi all,
I've got a large application that takes about 1 minute to start up. I
investigated today what could be the cause of this very long delay, and
narrowed it down to the WindsorContainer.AddComponent method. I have about
1000 service classes, each with an interface (the service type). The average
time to call WindsorContainer.AddComponent is 52ms on my system. 52ms * 1000
is 52 seconds, which is the vast majority of the app's startup time.
My system is a Quad Core, 2.66GHz Core2 running Windows XP. The same
approximate startup time can be verified on multiple machines, servers, and
OS's.
Is this normal? Do I have to just bite the bullet on a long startup time, or
is there something I can do to help this?
Here is the block of code in a small executable I used to calculate the times.
I can provide a profile report if necessary. I normally use AllTypes along
with the fluent registration, but I wanted to get as low-level as possible.
This code outputs:
"Called AddComponent 957 times. Average AddComponent time: 52.0267175572519ms"
var container = new WindsorContainer();
//calculates the time for each AddComponent call
var watch = new Stopwatch();
var totalAddComponentCalls = 0;
//keeps track of the average ms to call AddComponent
var allAddComponentTimes = new List<long>(1000);
foreach (var classType in
typeof(TheBigApplicationThingyWithAllTheServices).Assembly.GetTypes())
{
if (classType.IsInterface)
continue;
if (classType.Namespace == null)
continue;
if (!classType.Namespace.Contains("Services"))
continue;
var interfaces = classType.GetInterfaces();
if (interfaces.Length == 0)
continue;
var firstInterface = interfaces[0];
var serviceName = totalAddComponentCalls.ToString(); //simple
way to get unique name
watch.Start();
container.AddComponent(serviceName, firstInterface, classType);
watch.Stop();
allAddComponentTimes.Add(watch.ElapsedMilliseconds);
watch.Reset();
++totalAddComponentCalls;
}
var avgAddCompTime = (from ms in allAddComponentTimes select ms).Average();
Console.Out.WriteLine(string.Format("Called AddComponent {0} times. Average
AddComponent time: {1}ms", totalAddComponentCalls, avgAddCompTime));
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