Ryzen was similarly lagging in compilation benchmarks. Ian Cutress (AnandTech Senior Editor) said that Zen performs poorly with compiler benchmarks due to its L

Ryzen was similarly lagging in compilation benchmarks. Ian Cutress (AnandTech Senior Editor) said that Zen performs poorly with compiler benchmarks due to its L3 cache being a victim cache, and that "you can't prefetch into a victim cache" (though Google results suggest that IBM might have a patented technique?).