Câu hỏi phỏng vấn .NET Core
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What are benefi...

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Just-In-Time (JIT) compilation offers several benefits when used in .NET Core, enhancing both performance and flexibility. Here are the key advantages:

1. Improved Runtime Performance

JIT compilation allows for dynamic optimizations during runtime. The JIT compiler can analyze the code as it runs and apply various optimization techniques, such as inlining function calls, eliminating dead code, and optimizing loops. This ensures that the program runs at peak efficiency, adapting to the specific environment it is running on[1][2][3].

2. Efficient Memory Usage

JIT compilers only generate machine code for the parts of the program that are actually executed. This reduces the overall memory footprint compared to ahead-of-time (AOT) compilation, which compiles the entire codebase regardless of whether all parts are used[1][3].

3. Cross-Platform Compatibility

JIT compilation adapts the code to the specific hardware and operating system it runs on. This means that the same intermediate code can be executed on different platforms, with the JIT compiler optimizing it for each specific environment[1][2].

4. Support for Dynamic Languages

JIT compilation is particularly beneficial for dynamic programming languages, where the types of variables are not known until runtime. By analyzing the code at runtime, the JIT compiler can generate optimized machine code, enabling dynamic languages like Python to achieve performance levels comparable to statically typed languages[1].

5. Faster Development Cycles

JIT compilation eliminates the need for separate compilation steps, allowing developers to write and test code more quickly. This is particularly useful during the development and testing phases, where changes need to be reflected immediately without waiting for a full compilation cycle[1][6].

6. Dynamic Code Loading and Late Binding

JIT compilation supports late binding and dynamic loading of code, which provides flexibility and extensibility. This is useful in scenarios where new code needs to be loaded and executed at runtime, such as in plugin architectures or...

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