How to reduce JIT time during initial start of Windows Metro style apps

When a user installs a Windows Metro style app that is written in Microsoft Visual C# or in Microsoft Visual Basic, there are no native images for the app. Instead, the just-in-time (JIT) compiler runs during app startup. If there is a large volume of code in the startup path, users may experience slower-than-expected performance when they start the app. However, you can reduce the impact of JIT compilation when your Metro style app starts by using the multi-core JIT compilation feature.

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