Explore best practices for optimizing C code on microcontrollers in this 53-minute conference talk by Khem Raj from Comcast RDK. Discover tips and techniques for writing efficient C programs, using Zephyr as a case study to demonstrate size and performance optimizations. Learn about leveraging GCC for microcontrollers and RTOSes like Zephyr, covering topics such as compiler switches, linker scripts, data types, variable usage, loop optimization, and inline assembly. Gain insights into memory management, code organization, and compiler-friendly practices to squeeze the most out of your microcontroller projects.