https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120957
Filip Kastl <pheeck at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Summary|[16 Regression] 6-9% |[16 Regression] 6% slowdown |slowdown of 503.bwaves_r on |of 503.bwaves_r on Zen2 |Zen{2,3} since |since |r16-1647-gc06979ff957485 |r16-1647-gc06979ff957485 --- Comment #4 from Filip Kastl <pheeck at gcc dot gnu.org> --- Ok, on Zen3 this bisects to r16-1644-gaba3b9d3a48a07. So the Zen2 and Zen3 slowdowns seem to really be separate problems. Sorry for that. Usually it doesn't happen that I see two similar but distinct slowdowns in the same time frame.