| Bug ID | 103175 |
|---|---|
| Summary | R9285 Unreal tournament perf regression with agd5f 4.15-wip kernels possibly CPU related |
| Product | DRI |
| Version | DRI git |
| Hardware | Other |
| OS | All |
| Status | NEW |
| Severity | normal |
| Priority | medium |
| Component | DRM/AMDgpu |
| Assignee | dri-devel@lists.freedesktop.org |
| Reporter | adf.lists@gmail.com |
Created attachment 134765 [details]
good perf gallium hud on 4.14 kernel.
R9285 Tonga, Compared to older kernels I have a perf regression with latest
4.14.0-rc3 based and previous 4.13-rc5 based agd5f 4.15-wip kernels.
This doesn't seem to affect other things like xonotic or unigine demos.
Issue = on fixes 4.14 and other older kernels I've tried, the game is OK ish
perf wise, 25-60 fps.
On 4.15-wip its 10fps. Using HUD one obvious difference is that the slow case
is only mostly using one cpu core, on a good kernel all 4 of my old phenom 2 x4
are used - possible red herring of course, I'll upload some screenshots.
The game is pre-alpha and doesn't always render properly - but it was vaguely
playable fps wise until this kernel.
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