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Wednesday, October 29, 2008

What are different types of JIT?

(1) PRE JIT Compiler.
(2) ECONO JIT Compiler.
(3) NORMAL JIT compiler.

(1) PRE JIT Compiler:
 
               Pre-JIt compiler compiles complete source (MSIL) code to Native code in a single Compilation.

(1) ECONO JIT Compiler:

                This compiler compiles only MSIL code of those methods that are called at Runtime.

3) NORMAL JIT compiler:

                 This compiler compiles only MSIL code of those methods that are called at Runtime and that converted (native) code is stored in Cache. This happens beccause, when these methods called again it will retrieve code from cache itself without sending request to CLR.Thus; inturn saves much of Execution time

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