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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - 3% perf drop in GfxBench Manhattan 3.0, 3.1 and CarChase test-cases"
href="https://bugs.freedesktop.org/show_bug.cgi?id=111090#c12">Comment # 12</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - 3% perf drop in GfxBench Manhattan 3.0, 3.1 and CarChase test-cases"
href="https://bugs.freedesktop.org/show_bug.cgi?id=111090">bug 111090</a>
from <span class="vcard"><a class="email" href="mailto:eero.t.tamminen@intel.com" title="Eero Tamminen <eero.t.tamminen@intel.com>"> <span class="fn">Eero Tamminen</span></a>
</span></b>
<pre>When going through all the benchmarks data, I noticed that GLBenchmark 2.7
windowed *onscreen* Egypt and T-Rex also regress on J4205 BXT in the same time
interval:
$ build_x86_64/binaries/GLBenchmark -skip_load_frames -data data -t
GLB27_EgyptHD_inherited_C24Z16_FixedTime -w 1366 -h 768 -ow 1366 -oh 768
$ build_x86_64/binaries/GLBenchmark -skip_load_frames -data data -t
GLB27_TRex_C24Z16_FixedTimeStep_Offscreen -w 1366 -h 768 -ow 1366 -oh 768
Regression is 4-6%, but one sees it clearly only from trend because GLB tests
have a lot of variance (due to being also slightly CPU bound, and their FPS is
reported as integers).
This regression isn't visible on the other machines (BDW GT2, SKL GT2, KBL
GT3e).</pre>
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