CSLA performance issues with large data sets

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Hello folks,

Though CSLA works quite nicely with smaller datasets I am seeing a performance issue when accessing larger data sets.  In particular I have a CSLA Read Only List Object that in some cases could contain over 19K child elements. In these cases, I am observing that Csla.ReadOnlyBase.LoadProperty chews up majority of time (in reflection) when building the list; and of course, this significantly impacts performance!   

{To the interested reader – the profiling data is given below}

Has anyone seen this performance issue before? 

Has this been fixed in the framework (I am currently using CSLA Ver 4.0.1.0) or is there a workaround?

Here’s the stack

And the function that takes up time

protectedvirtualvoid LoadProperty(IPropertyInfo propertyInfo, object newValue)

    {

     var t = this.GetType();

     var flags = System.Reflection.BindingFlags.Public | System.Reflection.BindingFlags.NonPublic | System.Reflection.BindingFlags.Instance;

     var method = t.GetMethods(flags).Where(c => c.Name == "LoadProperty"&& c.IsGenericMethod).FirstOrDefault();

      var gm = method.MakeGenericMethod(propertyInfo.Type);

     var p = newobject[] { propertyInfo, newValue };

     gm.Invoke(this, p);

    }

thanks,