[Bug 82050] R9270X pyrit benchmark perf regressions with latest kernel/llvm

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=82050

--- Comment #45 from smoki <smoki00790 at gmail.com> ---
(In reply to comment #41)
> (In reply to comment #40)
> > (In reply to comment #39) 
> > >  If you let it run with Basic theme and few rounds you will spot i guess
> > > that only first round there is unusual maybe 2-3 times 1-2 sec stutters,
> > > then second time and later it is stutter free.
> > 
> >  Andy, you have behavior like that (more or less those seconds for stuter)
> > if PIPE_USAGE_STREAM is reverted, right?
> 
> The Bad was with vanilla mesa (couple of days old)
> 
> The good was that + the patch in Comment 19

 I asked is Valley play the same with your good case here and with using Basic
theme in Windows :). That is the case for me, and average fps is around 80% in
comparasion.

> I looked again at Unreal Reflections - there is a difference but it's only
> right at the start, both have a couple of stutters and they are longer with
> vanilla then the rest is OK in both cases.

 Those Unreal 4 Engine linux demos are slide show fest on Kabini, so i can't
recognize if there is stutter between two frames :D. Iguess those simply needs
at least 10X+ more powerfull GPU then i have.

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