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Questions tagged [ngen]

The Native Image Generator (Ngen.exe) is a tool for the .NET framework that improves the performance of managed applications by creating and caching processor-specific machine code, so that just-in-time compilation is no longer necessary.

From Native Image Generator (Ngen.exe) on MSDN:

The Native Image Generator (Ngen.exe) is a tool that improves the performance of managed applications. Ngen.exe creates native images, which are files containing compiled processor-specific machine code, and installs them into the native image cache on the local computer. The runtime can use native images from the cache instead using the just-in-time (JIT) compiler to compile the original assembly.

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Symbol Resolution on .NET 4.0 NGEN x64 assembly not working

My symbol resolution on an x64 NGEN .NET 4.0 assembly it not working. Details: I have a .NET 4.0 command line assembly that I am compiling using Visual Studio with an x64 configuration. After I compile, I run NGEN (The 64 bit version) on it. Having…
Thomas Kejser
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GAC file path for native images created by ngen

NGen creates files in the GAC under paths like: C:\WINDOWS\assembly\NativeImages_v2.0.50727_32\mscorlib\ca87ba84221991839abbe7d4bc9c6721\mscorlib.ni.dll Where is the GUID derived from? Is it related to the MVID of the assembly? There are related…
Tim Barrass
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NGen for partial trust application

I have a .Net 4.0 application that I need to improve the performance of code running in a partial trust environment. Specifically, I would like to eliminate the need to JIT at runtime. Normally this is accomplished using NGEN…
Matt Ruwe
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nGen EXE +DLLs through Setup and Deployment project

I have this code that should nGen my main application EXE: using System; using System.Collections; using System.ComponentModel; using System.Configuration.Install; using System.Data; using System.Diagnostics; using System.IO; using…
DoomerDGR8
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Is it working to use a native image of a dll that has been deleted?

Assuming that a native image was generated (with ngen) for a .NET dll. After that this dll is deleted. If I would now run a program that uses this dll, would it work?
RainerD
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Native Code Generation

Im new to Native Code Generation in .Net 4.0. In my project there are totally 500+ DLL file for a single EXE file. If I have to create a Native Image for all those DLL using ngen.exe install it is going to be a big process. So My question is whether…
user177777
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"has Stopped working" message after IL Assembly editing

I am using "dnSpy" application to read and change .net assembly exe module, I chose "Edit IL Instructions..." like that Then I change "brtrue" to "brfalse" as this picture Then I saved a module like that Then I run NGRN like that Now When I…
JustMe
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Different result from script ran as Scheduled Task

Running a script to install Powershell Native Images to boost performance. I would like to automate this across my entire environment, but if it's ran as a remote job, or scheduled task, or even psexec, it only installs three of the assemblies. If I…
barry
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NGEN.exe how to control?

how can I stop using ngen.exe on my windows 10. I want to control all the libraries that are generated. Every time I monitor the libraries a new library appears with the extension .ni.dll.
Henrique Aschenbrenner
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What determines the assembly identity for ngen lookup?

How does ngen lookup native images? Example 1: I compile MyApp.exe v1.0.0.0 in C:\Test\MyApp\bin\Debug\MyApp.exe . I ngen MyApp.exe via ngen install MyApp.exe. After this ngen display MyApp will tell me that I have an NGen root at the full path…
Anders Forsgren
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What is the list of all NGen artifacts that we should add to our UWF write filter exceptions list?

I know that Ngen places its assemblies in C:\windows\assembly\NativesImages_*. But I also know that it keeps track of the references for each assembly so that if B and C depends on A then uninstalling B doesn't uninstall A. This makes me conclude…
TommyD
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NGEN queue 1 never runs

I'm NGEN-ing some dlls in my application. I'd like to do this as part of my installer, but I'd like it to occur in the background as there's no need to make the user wait for this to complete. If I run the following command it generates the native…
anakic
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System.Numerics.Vector.IsHardwareAccelerated = false when using ngen.exe

System.Numerics.Vector.IsHardwareAccelerated is set to true when I debug my application in Visual Studio. If i install my program and run ngen.exe (Native Image Generator) to speedup startup then System.Numerics.Vector.IsHardwareAccelerated is…
andy.e
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How to avoid NGEN?

My application requires my to sign all referenced .dlls with a certificate. Unfortunately, .dlls like System.dll are being compiled as native images and I'm unable to sign them. Is there a way to disable NGEN and use local versions of these .dlls…
animrevox acc
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NGEN for Clickonce with Framework 4.5

Referring the link use-ngen-with-clickonce-deployment how can i use NGEN for dot net application developed in framework 4.5. I used the code in this link but there is no change in performance. please share the code and help.
user1460901
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