AMD Optimizing C/C++ Compiler v 4.0 ‘AOCC’ is a derivative of the LLVM/Clang compiler library and is considered exclusive to AMD Zen 4. The new AOCC is not open-source. The company chose to hold off the release until after the official launch of new EPYC processors. The author notes that there was a majority of minimally increased performance through the testing, with only a few having a significant gain in the benchmarks. Once the GCC 13 is available in March or April 2023, he plans to revisit the benchmarks to see if the AOCCC 4.0 compiler is still the choice over LLVM/. The author is also slightly surprised at AMD’s behavior when working on the A . . .
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