[Bug tree-optimization/126435] [17 Regression] 4-8% slowdown of blender_r on Zen{2,3,4} since r17-2654-gfb0838bc1073aa
"haochen.jiang at intel dot com via Gcc-bugs" <[email protected]>
| Newsgroups | gmane.comp.gcc.bugs |
|---|---|
| Message-ID | <[email protected]/bugzilla/> |
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=126435
Haochen Jiang <haochen.jiang at intel dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |haochen.jiang at intel dot com
--- Comment #1 from Haochen Jiang <haochen.jiang at intel dot com> ---
I saw regression with -O3 -ffast-math -flto -march=native on both Clearwater
Forest and Sierra Forest.
For 526.blender_r, it is CWF -5.87% and SRF -3.10%. For 538.imagick_r, it is
CWF -10.62% and SRF -3.97%.