JIT Compilation

Traditional software environments have generally fallen into one of two categories: precompiled and interpreted. Precompiled environments are used by C/C++, Visual Basic, and Fortran. Source code is read in by a compiler, which then emits machine language code into a library or executable. Interpreted environments are used by Perl, Python, ASP (in IIS), and ECMA Script. Script files are text files that are treated as a set of instructions by a program (the scripting engine).

The .NET Framework has some elements of both precompiled and interpreted environments. .NET assemblies are compiled from source languages, but as mentioned earlier, they are compiled into IL instead of machine language. The IL, unlike scripting languages, ...

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