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Therefore, it is important to disable any call to LogManager.RegisterDebugListener when releasing an application or while performance testing.

 Set SkipSearchingForInfoBarMessageControl on UserControl to true

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When loading lots of models, it is not required to get support for validation and change notifications. Notifications and validation can be suspended per model (using the LeanAndMeanModel property) or globally using the GlobalLeanAndMeanModel property.

 Use the FastObservableCollection

The FastObservableCollection does not raise events for every item, but only invokes events for the complete range of items added to or removed from the collection.

 Preloading assemblies into the AppDomain

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