Probably the "machine of the day" for google websearch is an EPYC so they are focused on that. Possibly the issue didn't affect Xeon in the first place, leaving

Probably the "machine of the day" for google websearch is an EPYC so they are focused on that. Possibly the issue didn't affect Xeon in the first place, leaving nothing to optimize. <strike>You can see in the absolute values it was already faster on Intel than it is on EPYC after the improvement.</strike> actually I am cross-eyed, I thought there was another zero there. I wonder if this set of patches was the result of visibility gained from recent `perf mem` features that show loads and stores for each struct member.