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<base href="https://bugs.freedesktop.org/" />
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<th>Priority</th>
<td>medium
</td>
</tr>
<tr>
<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [IVB/BYT-M/BDW] Unigine-Heaven4.0 on IVB/BYT-M/BDW very slower(↓2x) ) than HSW_GT3e."
href="https://bugs.freedesktop.org/show_bug.cgi?id=82808">82808</a>
</td>
</tr>
<tr>
<th>Assignee</th>
<td>idr@freedesktop.org
</td>
</tr>
<tr>
<th>Summary</th>
<td>[IVB/BYT-M/BDW] Unigine-Heaven4.0 on IVB/BYT-M/BDW very slower(↓2x) ) than HSW_GT3e.
</td>
</tr>
<tr>
<th>QA Contact</th>
<td>intel-3d-bugs@lists.freedesktop.org
</td>
</tr>
<tr>
<th>Severity</th>
<td>major
</td>
</tr>
<tr>
<th>Classification</th>
<td>Unclassified
</td>
</tr>
<tr>
<th>OS</th>
<td>Linux (All)
</td>
</tr>
<tr>
<th>Reporter</th>
<td>jianx.zhou@intel.com
</td>
</tr>
<tr>
<th>Hardware</th>
<td>All
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Version</th>
<td>unspecified
</td>
</tr>
<tr>
<th>Component</th>
<td>Drivers/DRI/i965
</td>
</tr>
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<th>Product</th>
<td>Mesa
</td>
</tr></table>
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<div>
<pre>----------------------------------------------
Platform: IVB/BYT-M/HSW
Libdrm: (master)libdrm-2.4.56-8-gd9ce09de12131fa8c5ff2d7c2dbd6b61d8a5fd14
Mesa: (master)ce4d3f3104b01b6148ce7b1c7ecd354fd2f062c9
Xserver:
(master)xorg-server-1.15.99.902-121-g2f5cf9ff9a0f713b7e038636484c77f113a5f10a
Xf86_video_intel: (master)2.99.914-55-gf8e632f396bf4b0473dca0516567d56a29954cf3
Cairo: (master)7736d08e22ffd7ab9968617164c7e027125b7755
Libva: (master)acfcd5f0637a951d50c5112c7dfbd46f1d0dcdb3
Libva_intel_driver: (master)82d2ed8d7da3619c0ea467c06604f5626fc0b901
Kernel: (drm-intel-nightly)186631131a9289dad22f51315d78b9b6ac5b425f
Bug detailed description:
----------------------------------------------
Unigine-Heaven4.0 on IVB/BYT-M/BDW very slower(↓2x) than HSW_GT3e, this issue
doesn’t exist on Unigine-Heaven3.0, this is new case. Not found regression, you
can see ivb_dmesg.log and heaven4.0_strace_log.
Reproduce steps:
---------------------------------------------
1. xinit&
2.export MESA_GL_VERSION_OVERRIDE=3.2
export MESA_GLSL_VERSION_OVERRIDE=150
export LD_LIBRARY_PATH=bin/:$LD_LIBRARY_PATH
export force_glsl_extensions_warn=true
3.vblank_mode=0 ./bin/heaven_x64 -video_app opengl -data_path ../ -sound_app
null -engine_config ../data/heaven_4.0.cfg -system_script heaven/unigine.cpp
-video_mode -1 -video_fullscreen 1 -extern_define PHORONIX -video_width 1920
-video_height 1080</pre>
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