Do you have -log_view report so that we can know which petsc functions degraded? Or is it because compilers were different?
--Junchao Zhang On Sun, Aug 18, 2024 at 6:04 PM Zou, Ling via petsc-users < petsc-users@mcs.anl.gov> wrote: > Hi all, > > > > After updating Mac OS from Ventura to Sonoma, I am seeing my PETSc code > having slightly-larger-than 10% of performance degradation (only in terms > of execution time). > > I track the number of major function calls, they are identical between the > two OS (so PETSc is not the one to blame), but just slower. > > Is this something expected, any one also experienced it? > > > > -Ling >
