[Bug 94133] relatevly low performance rv740

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Sat Feb 13 13:11:30 UTC 2016


https://bugs.freedesktop.org/show_bug.cgi?id=94133

            Bug ID: 94133
           Summary: relatevly low performance rv740
           Product: Mesa
           Version: unspecified
          Hardware: Other
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Drivers/Gallium/r600
          Assignee: dri-devel at lists.freedesktop.org
          Reporter: roman.elshin at gmail.com
        QA Contact: dri-devel at lists.freedesktop.org

Created attachment 121737
  --> https://bugs.freedesktop.org/attachment.cgi?id=121737&action=edit
Xorg.log

I just installed ubuntu 15.10 (with oibaf and commendsarnex ppa to see how good 
is my radeon hd4770 (rv740) works with fresh graphics stack).
Unigine Valley-1.0 (native) and MafiaII Game (wine with Gallium Nine) was used 
to see video performance differences against windows7.

Linux Unigine Valley Benchmark 1.0:
FPS:    8.5
Score:    356
Min FPS:4.2
Max FPS:13.8

Windows7 Unigine Valley Benchmark 1.0 (dx11 render, as opengl wasn`t able to
run):
FPS:    15.9
Score:    666
Min FPS:9.2
Max FPS:29.5

Linux Mafia2 Game (internal benchmark) under wine with Gallium Nine, dri3):
22.2fps

Windows7 Mafia2 Game(internal benchmark) under wine with Gallium Nine, dri3):
42.4fps

It works (without visible artifacts) and it is great!, but it is almost twice
as slow against windows. There are some benchmarks on phoronix
(http://www.phoronix.com/scan.php?page=article&item=radeon_1404_win81&num=3)
for more recent and powerfull r600g hw, and there was no such big differences
there.
So is it r700 classs hw works slow with gallium in general, or it something
wrong with just rv740 support? (or something else ...?)

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