[Bug 90895] [BSW regression] SynMark2_v6_0_0_OglBatch0 to OglBatch4 performance reduce by ~23%

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=90895

            Bug ID: 90895
           Summary: [BSW regression] SynMark2_v6_0_0_OglBatch0 to
                    OglBatch4 performance reduce by ~23%
           Product: Mesa
           Version: unspecified
          Hardware: All
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Drivers/DRI/i965
          Assignee: idr at freedesktop.org
          Reporter: yex.tian at intel.com
        QA Contact: intel-3d-bugs at lists.freedesktop.org

Created attachment 116360
  --> https://bugs.freedesktop.org/attachment.cgi?id=116360&action=edit
Xorg.0.log info

System Environment:       
Platform:  BSW
Libdrm: (master)libdrm-2.4.61-13-g97be70b45eccc37e98a1cecf360593f36956ea42
Mesa:  (master)b639ed2f1b170d1184c6d94c88c826c51ffc8726
Xserver:
(master)xorg-server-1.17.0-158-gfa12f2c150b2f50de9dac4a2b09265f13af353af
Xf86_video_intel:
(master)2.99.917-342-g46d74edf991f315319236ba81c6e357e0cb0dddc
Cairo:(master)2cf2d8e340a325adb205baf8e4bd64e1d1858008
Libva:  (master)50d936cb527ba6da82ff9ee482f64e1ac070e1df
Libva_intel_driver: (master)d0c22df7094788a58d3282a2c25483d26a3cca54
Kernel: (drm-intel-nightly)d4f412886ec9694658ab17092c3f70569a0405f9

Bug detailed description:
--------------------------------------------------
SynMark2_v6_0_0_OglBatch0 to OglBatch4 performance reduce by 23% with xinit on
BSW. It’s Mesa regression. Bisect delay...
Good :  (master)cb277cde6f2a210b0515cd04269964fd409307e9
Bad: (master)b639ed2f1b170d1184c6d94c88c826c51ffc8726

Please see Xrog.

Reproduce steps:
----------------------------
1, xinit& 
2, ./synmark2 OglBatch0

-- 
You are receiving this mail because:
You are the QA Contact for the bug.
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.freedesktop.org/archives/intel-3d-bugs/attachments/20150608/817b3c6a/attachment.html>