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Inline Transformation: Difference between revisions
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'''Inline transformation''', also known as ''function inlining'' or ''inline expansion'', is a compiler optimization that replaces a function call with the actual body of the called function<ref>[https://en.wikipedia.org/wiki/Inline_expansion Wikipedia: Inline Expansion]</ref>. Instead of executing a separate call instruction and incurring the overhead of passing arguments and returning a result, the compiler inserts the function’s code directly at each call site. This is conceptually similar to a preprocessor macro expansion, but it is performed by the compiler on the intermediate code without altering the original source text<ref>[https://llvm.org/docs/Passes.html#inline LLVM Passes: Inline]</ref>. The primary goal of inlining is to improve performance by eliminating function-call overhead and enabling further optimizations. Modern compilers can automatically inline functions they deem profitable, and languages like C/C++ provide an <code>inline</code> keyword to ''suggest'' inlining (though the compiler is free to ignore it)<ref>[https://gcc.gnu.org/onlinedocs/gcc/Inline.html GCC Documentation: Inline Functions]</ref>. Inline expansion can occur at compile time or even later – for instance, '''link-time optimization (LTO)''' allows inlining across object files, and Just-In-Time (JIT) runtimes (like the Java HotSpot VM) perform inlining at runtime using profiling information<ref>[https://www.oracle.com/java/technologies/javase/vmoptions-jsp.html Java VM Options]</ref>. | |||
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Procedure inlining is an optimization technique that replaces function calls with the actual body of the function. By eliminating function calls, this transformation reduces call overhead and enables further compiler optimizations. Inlining can improve execution speed by avoiding context switching and function call latency, making it particularly beneficial for performance-critical applications. Additionally, it increases opportunities for other transformations, such as loop optimizations and instruction reordering, while preserving the original program logic. | Procedure inlining is an optimization technique that replaces function calls with the actual body of the function. By eliminating function calls, this transformation reduces call overhead and enables further compiler optimizations. Inlining can improve execution speed by avoiding context switching and function call latency, making it particularly beneficial for performance-critical applications. Additionally, it increases opportunities for other transformations, such as loop optimizations and instruction reordering, while preserving the original program logic. | ||
==Procedure Inline Transformation in emmtrix Studio== | ==Procedure Inline Transformation in emmtrix Studio== | ||