Code size optimization is a key factor, especially critical in embedded systems requiring code size reduction at the cost of application speed! Application developed for an embedded system is generally tuned for a particular processor with a finite memory size and hence memory is the main cost component of an embedded product. Directly impacting the memory requirement in an embedded system is the code size of the application, as reduced code size means lesser memory usage and lower cost of the product. In addition, with code size optimized you can add more functionality; improve code quality and therefore reliability as well. It is therefore natural for developers, especially those developing embedded software to optimize their application to achieve a proper trade-off between code size and performance.
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