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I am running performance profile for a C# application on a virtual machine.
The results shows a huge load of “JIT Compiler”. When I dig further, it shows something called “Class Loader” as the only method getting called by JIT compiler.
What should I do to bring “JIT compiler” load down?
JIT is the ‘Just In Time’ compiler, this essentially compiles your C# into executable code that can work on the current processor.
.Net comes with a utility called NGEN, this creates a native image of your C# code, that doesn’t need to be JIT’ted. There are downsides to this however, have a read of this:
http://codeidol.com/csharp/net-framework/Assemblies,-Loading,-and-Deployment/Native-Image-Generation-%28NGen%29/
And finally here’s a link to the MS info about NGEN:
http://msdn.microsoft.com/en-us/library/6t9t5wcf%28VS.80%29.aspx