[Mesa-dev] [Bug 93686] Performance improvement ?=:=?UTF-8?Q? Please consider hardware ɢᴘᴜ rendering in llvmpipe

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=93686

            Bug ID: 93686
           Summary: Performance improvement : Please consider hardware ɢᴘᴜ
                    rendering in llvmpipe
           Product: Mesa
           Version: unspecified
          Hardware: x86-64 (AMD64)
                OS: All
            Status: NEW
          Severity: enhancement
          Priority: medium
         Component: Mesa core
          Assignee: mesa-dev at lists.freedesktop.org
          Reporter: ytrezq at sdf-eu.org
        QA Contact: mesa-dev at lists.freedesktop.org

Purpose : combine software and hardware rendering for better speed performance.

Ok, I recognize this deserve an different purpose from the original one of
llvmpipe, and this might be only possible with Vulkan (probably not with
OpenGl). So I recognize this feature should be optional at run‑time.

The point is some programs are ɢᴘᴜ bound, and the ꜱɪᴍᴅ nature of llvmpipe would
allow to make non negligible benefits, even if it’s slower than an integrated
ɢᴘᴜ.
I recognize this would introduce a complex mechanism for load balancing between
ɢᴘᴜ and ᴄᴘᴜ (avoid ᴄᴘᴜ bounding when there are place for ɢᴘᴜ processing and
vice versa)

Though, my ɢᴘᴜ knowledge is strictly limited to what I learned with OpenCl and
gaming, so I don’t know. But in the case it’s possible, it might worth
discussion please.

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