Re: Kudos to everyone who worked on the gcc-4.2 merge

On 6/4/07, Alexander Kabaev <kabaev_at_gmail.com> wrote:
> On Sun, 3 Jun 2007 17:30:15 -0700 (PDT)
> youshi10_at_u.washington.edu wrote:
>
> > I just wanted to thank everyone who helped make the gcc 4.2 merge
> > possible -- I can see a noticeable performance increase (1.5x ~ 2.0x
> > load time decrease) in my server (P4 HTT with SMP).
> >
> > This will be one of the great changes that will put FreeBSD back on
> > the map closer to many Linux distros.
> >
> > Once gcc 4.2.1 gets in the tree, things will be much better, I'm
> > sure :).
> >
> > Thank you very much, and let me know if you need testing with gcc
> > 4.2.1 when it rolls around ;).
> >
> > -Garrett
> >
> Thanks, but I think kudos are addressed to wrong people. I very much
> doubt that GCC can be responsible for any, let alone dramatic,
> performance differences. Most likely you see effects of hard work done
> by SMP scalability guys.
>
> --
> Alexander Kabaev
>
>

I emailed Garrett but forgot to cc current_at_

My question was: "Can you specify the workload that you verify that
much improvement?"
Like you I had my doubts gcc was responsible for such an improvement.


-- 
Joao Barros