How to reduce function call overhead in arm based systems
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Answer Posted / Megha
To reduce function call overhead in ARM-based systems, consider the following strategies:
1. Inline functions: Inlining frequently called small functions can minimize the overhead of function calls.
2. Function pointers: Instead of calling functions indirectly through a table, you can directly call functions to eliminate the extra indirection.
3. Static inline functions: Static inline functions are resolved at compile time and their code is inserted at the point of the function call, thus reducing runtime overhead.
4. Reduce stack usage: Minimize local variable usage in your functions as it increases stack size and can cause performance issues.
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