Increase microcontroller code efficiency

C compilers are getting more advanced, but there is always a trade-off between speed and code size. Compiled code can be faster or smaller, but not both. So you have to choose which part is more important speed or code size. The Increase in microcontroller code efficiency can be done in many ways. Don’t trust compiler optimization features, as they might not be as effective as you expect. It is better to grab some profiler and inspect what parts of your code take the most time and size. It is better to follow some techniques that may reduce code execution time and increase microcontroller code efficiency:

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