Re: F37 proposal: Add -fno-omit-frame-pointer to default compilation flags (System-Wide Change proposal)

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On Thu, Jun 16, 2022 at 07:13:55PM -0400, Frank Ch. Eigler wrote:
> 
> > https://fedoraproject.org/wiki/Changes/fno-omit-frame-pointer
> > [...]
> > === Unwinding ===
> > [...]
> > * Kernel 4.8 frame pointer benchmarks by Suse showed 5%-10%
> > regressions in some benchmarks
> > (https://lore.kernel.org/all/20170602104048.jkkzssljsompjdwy@xxxxxxx/T/#u)
> 
> Regressions of such magnitude can veto such changes, especially when
> they hit everyone, not just those who are highly dependent on the
> profiling tools the proposal is concerned about.

  I can only concur. Say what you want about Phoronix benchmark, but
they consistently benchmark different distributions And Fedora
consistently is lagging behind. Latest article is at
https://www.phoronix.com/scan.php?page=article&item=h1-2022-linux

  Slowing Fedora even further is really undesirable.

-- 
Tomasz Torcz                “Funeral in the morning, IDE hacking
tomek@xxxxxxxxxxxxxx         in the afternoon and evening.” - Alan Cox
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