On Tue, 20 Jul 2021 at 19:04, Andres Freund <andres@anarazel.de> wrote:
> > * AllocateSetAlloc.txt
> > * palloc.txt
> > * percent.txt
>
> Huh, that's interesting. You have some control flow enforcement stuff turned on (the endbr64). And it looks like it
hasa non zero cost (or maybe it's just skid). Did you enable that intentionally? If not, what compiler/version/distro
isit? I think at least on GCC that's -fcf-protection=...
It's ubuntu 21.04 with gcc 10.3 (specifically gcc version 10.3.0
(Ubuntu 10.3.0-1ubuntu1)
I've attached the same results from compiling with clang 12
(12.0.0-3ubuntu1~21.04.1)
David