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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - [All] Performance degradation due to fence contention with igt/gem_fence_upload"
href="https://bugs.freedesktop.org/show_bug.cgi?id=80079#c62">Comment # 62</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - [All] Performance degradation due to fence contention with igt/gem_fence_upload"
href="https://bugs.freedesktop.org/show_bug.cgi?id=80079">bug 80079</a>
from <span class="vcard"><a class="email" href="mailto:jari.tahvanainen@intel.com" title="Jari Tahvanainen <jari.tahvanainen@intel.com>"> <span class="fn">Jari Tahvanainen</span></a>
</span></b>
<pre>Note the comment from <a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED DUPLICATE - [BYT/SNB] gem_fence_upload subtest thread-contention fails"
href="show_bug.cgi?id=97939">Bug 97939</a> related to ./gem_fence_upload --r
thread-contention
Chris Wilson 2016-10-05 09:35:31 UTC
This test is intended to fail as it is something that the driver cannot handle
yet. The change is that we got faster at the baseline, but since the contention
point itself is unchanged the highly contended cases are still slow, and so
slower relative to the new baseline.</pre>
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