Native Image Generator

Ngen.exe helps in improving performance of managed applications by creating native images and storing them on the cache. At runtime, these native images are used instead of JIT to compile the original assembly. The native images contain processor specific machine code in a complied form. Native images can be shared across application domains. Invalid image causes have been eliminated. Different actions are provided by Ngen.exe. for e.g. Update re-creates images that have been invalidated, install Generates native images for an assembly and its dependencies.

refer this link

http://msdn.microsoft.com/en-us/library/6t9t5wcf%28v=VS.100%29.aspx

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Hemant Kumar15y ago
Ngen.exe helps in improving performance of managed applications by creating native images and storing them on the cache. At runtime, these native images are used instead of JIT to compile the original assembly. The native images contain processor specific machine code in a complied form. Native images can be shared across application domains. Invalid image causes have been eliminated. Different actions are provided by Ngen.exe. for e.g. Update re-creates images that have been invalidated, install Generates native images for an assembly and its dependencies.

refer this link
http://msdn.microsoft.com/en-us/library/6t9t5wcf%28v=VS.100%29.aspx
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