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To achieve the best performance and minimize latency, the unmanaged code is used in some mission-critical subsystems of the FIX Engine, so there is a dependency on the Visual C++ Runtime Libraries.

These libraries are installed by the FIX Engine setup package.

They could also be installed directly using the corresponding Microsoft Visual C++ Redistributable Package.

Note Note

FIX Engine is not compatible with Ngen. If you want to create native images for your application by the Ngen then you need to do it for all your assemblies separately except FIX Engine libraries. For example, if you have MyApp.exe, which depends on the FIX Engine library and your MyDll.dll then you need to perform the following commands:

  • ngen install MyApp.exe /NoDependencies
  • ngen install MyDll.dll

Locating Microsoft Visual C++ Redistributable Package

Each .NET platform (.NET 4.5.2, 4.6.2 or 4.7, 32-bit or 64-bit) requires the corresponding version of the Microsoft Visual C++ Redistributable Package:


Script Example for Ngen:


FOR %%F IN (*.dll *.exe) DO (call :processFile %%F)

SET _filename=%1%
SET _res=%_filename:~0,8%
IF NOT "%_res%"=="FIXForge" (ngen install %_filename% /NoDependencies)