[Bug target/126516] [17 Regression] 9% slowdown of calculix on Zen3 since r17-2723-g3f2b3eced0f827
"liuhongt at gcc dot gnu.org via Gcc-bugs" <[email protected]>
| Newsgroups | gmane.comp.gcc.bugs |
|---|---|
| Message-ID | <[email protected]/bugzilla/> |
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=126516 --- Comment #4 from Hongtao Liu <liuhongt at gcc dot gnu.org> --- what's profiling info looks like? More instructions, or more frontend(.i.e code alignment issue)/backend bound/bad speculaton for the bad binary.