Run ngen on install

This is done automatically via the. NET Runtime Optimization service which runs during idle time. When a. When you run this half-compiled. This mode is termed as normal JIT. You can also go the other way around saying you do not want runtime compilation by running a full compiled EXE file. This compilation is done by using negen.

In this scenario the JIT does not participate at runtime. This is termed as pre-JIT mode. Explain JIT, Ngen. NET interview questions. Per MSDN :. The Native Image Generator Ngen. The runtime can use native images from the cache instead of using the just-in-time JIT compiler to compile the original assembly. NGen Native Image Generator basically compiles.

The benefit is that given that you're not compiling the code to native every time, you run it or need it, but you do it just once, the application starts and run faster. If you want more information there are plenty of resources out there about the benefits of JIT vs. Ahead of Time Compilation which is what NGen does. Stack Overflow for Teams — Collaborate and share knowledge with a private group.

Load and the like after execution, B. Using Ngen. In this case, set nativeImage to B. Specify either "32bit", "64bit" or "all". Change the settings at 32bit or 64bit for the application you are installing.

All creates both native images, so specify libraries that switch according to the execution state such as "Any CPU". Connect and share knowledge within a single location that is structured and easy to search. I would like to execute nGen at the end of my installation simply to improve the perceived performance of the first startup of my application.

How could I do that? Is there are some best practices? Can I be sure that nGen is always installed with. NET Framework? You can ngen your assembly using a custom installer action. The following link explains this in further detail:. I can also remember a good discussion of Paint. NET's installer which includes. I'll edit this post if I come across it again. First of all "Yes" you can guarantee that if they have the. Net framework installed that they have Ngen.

The only thing you need to know is which version they have installed, buecause it's different between 1. What I've done in the past is simply created a script that my installer calls at the very end which runs ngen on all the assemblies.

This installer module must know the full path of NGEN. These values can be found programmatically. Go to the Project menu. Create NgenInstaller. In my projects, I used this name for the installer class.

Next: We show the method you must add to your installer class to make an installer module that runs NGEN. Here is the Install method that we need to put in the Installer Class. Here is most important part—the Install method we need to add. MSI setup.