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<b><a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED WONTFIX - [dri3] Mesa does not support explicit fencing"
href="https://bugs.freedesktop.org/show_bug.cgi?id=81551#c19">Comment # 19</a>
on <a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED WONTFIX - [dri3] Mesa does not support explicit fencing"
href="https://bugs.freedesktop.org/show_bug.cgi?id=81551">bug 81551</a>
from <span class="vcard"><a class="email" href="mailto:chris@chris-wilson.co.uk" title="Chris Wilson <chris@chris-wilson.co.uk>"> <span class="fn">Chris Wilson</span></a>
</span></b>
<pre>fwiw the overhead from implicit fencing is ~40% (on byt, bdw-u) in CPU-bound
rendering workloads (as the implicit fencing prevents the driver from batching
up rendering commands).</pre>
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