AMD Optimizing C/C++ Compiler 1.3 Brings More Zen Tuning

[phoronix]

Phoronix: AMD Optimizing C/C++ Compiler 1.3 Brings More Zen Tuning

Earlier this month AMD quietly released a new version of their Optimizing C/C++ compiler in the form of AOCC 1.3. This new compiler release has more Zen tuning to try to squeeze even more performance out of Ryzen/EPYC systems when using their LLVM-based compiler...

http://www.phoronix.com/scan.php?page=news_item&px=AMD-AOCC-1.3-Compiler

[nemequ]

I'm a bit confused about AOCC's relationship to clang. Are they also submitting these patches back to clang, so AOCC is kind of just a preview of AMD performance improvements, new architectures, etc., which will eventually land in clang? Are they regularly rebasing on more recent clang changes, or is it more of a fork?

[cen1]

I'm a bit confused about AOCC's relationship to clang. Are they also submitting these patches back to clang, so AOCC is kind of just a preview of AMD performance improvements, new architectures, etc., which will eventually land in clang? Are they regularly rebasing on more recent clang changes, or is it more of a fork?

Literally all your questions are answered in the article.