Ahead-of-time compilation
An Ahead-of-Time (AOT) compiler is a compiler that implements Ahead of Time Compilation. This refers to the act of compiling an intermediate language, like Java bytecode or .NET Common Intermediate Language (CIL), into a system-dependent binary.
Most languages with a managed runtime that can be compiled to an intermediate language take advantage of Just-In-Time (JIT). This, briefly, compiles intermediate code into binary code for a native run while the intermediate code is executing. Ahead of time compilation eliminates the need for this step by performing the compilation before execution rather than during execution.
See Also
External links
- Speed: NGen Revs Up Your Performance with Powerful New Features -- MSDN Magazine, April 2005
- Mono AOT
- Excelsior JET -- AOT for Java SE
- Improving Swing Performance: JIT vs AOT Compilation -- LinuxWorld Magazine, November 2004
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