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Raise your hand if you have ever used this flow: output some data from an embedded system to a terminal or a CSV file to analyze it later in a spreadsheet. Whether logging traffic latency over a bus, measuring system performance in a climate chamber, logging memory usage over a weekend, to checking GNSS time to first…

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Practical comparison of ARM compilers

2023108 points16 comments Software Engineering details

My inspiration for this article was this thread in r/embedded . There are still many myths and misconception when it comes to the simple questions "Which compiler should I use?" or "Which compiler is the best?". I will try to share my practical experience with GCC, Clang and IAR on Cortex-M ( and Cortex-M only ). This…