https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90151
--- Comment #1 from Martin Jambor <jamborm at gcc dot gnu.org> --- This year's numbers: - on AMD Zen1, we are still 7.2% worse than GCC 7 - on AMD Zen2, the reegression is 4.6% - in Intel Cascade Lake server CPU, it is 5.4% This is all -O2, so perhaps not that important for a Fortran benchmark.