[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 #64 from Christoph Haag <haagch at frickel.club> ---
(In reply to comment #61)
> Note that some of the Unreal Engine 4 demos want to use more than 1G of
> graphics memory (as shown by the GALLIUM_HUD queries requested-VRAM and
> requested-GTT), so if the GPU has 'only' 1G of VRAM or less, that's a very
> difficult situation for the graphics memory management code.

I too have 2 Gigabyte VRAM. Here is a short clip with some HUD graphs:
https://www.youtube.com/watch?v=vvqbAFV06pA

It's pretty clear that the stutters correlate with activity in "num bytes
moved"...

I have also tried the native borderlands 2 for a few minutes today and I'm
seeing similar stuttering. It doesn't happen quite so often, but it's still
often enough to be an issue.

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