[Bug 109955] amdgpu [RX Vega 64] system freeze while gaming

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=109955

--- Comment #38 from Sylvain BERTRAND <sylvain.bertrand at gmail.com> ---
On Sun, Jul 07, 2019 at 05:31:34AM +0000, bugzilla-daemon at freedesktop.org
wrote:
> 2. Valve sponsored an interesting project that removes dependency of AMD Mesa
> from LLVM. And instead uses ACO. Valve made this available for Arch based
> systems via AUR, and Ubuntu based system via PPA. If you want to test it, you
> can check the posts below. I am going to test this myself on both Arch and
> Ubuntu. 
> https://steamcommunity.com/games/221410/announcements/detail/1602634609636894200
> https://steamcommunity.com/app/221410/discussions/0/1640915206474070669/

Huho!

Cons:
    - it's c++
    - only GFX8 and GFX9 (I have GFX6 :( )
    - some nasty python scripts (there are tons in mesa)

Pros:
    - it's several orders of magnitude less brain f*cked than llvm.
    - it is actual working code which does disjoint mesa from llvm.

conclusion:
    - for GFX8 and GFX9, it's less worse than llvm.
    - I was asking for a clean GCN ABI definition document from shaders
      perspective, maybe this code will help to write one (or it is an AMD
      confidential document??).

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