Can't imagine resorting to being this snarky in the defense of a flawed CPU micro architecture. It takes 30 seconds with a search engine to find benchmarks: https://www.phoronix.com/review/power9-epyc-xeon/3
It is, quite literally, half as performant as it's contemporaries while drawing more power. Beyond being 'open', these CPUs are duds and wastes of sand.