[sdiy] GCC vs Clang for Audio DSP

sleepy_dog at gmx.de sleepy_dog at gmx.de
Thu May 5 13:43:23 CEST 2022

Eric Brombaugh via Synth-diy:
> The only place where I'd take exception is the statement that "gcc is
> past its use-by date". I think these results show clearly that it
> still has some life in it, even if only for lower-end embedded
> systems. A variety of corporate sponsors including ARM are still
> actively supporting its development and although it's been around the
> block it remains a useful tool for those who choose not to support the
> proprietary offerings.

Looking at the figures & seeing that Clang is faster at O0, I wonder
whether it's perhaps doing some things that GCC is doing with -Og, which
supposedly does "all optimizations that don't interfere with debugging".

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