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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - Strange slow-fast performance latching between gfxbench3 (and 4) test runs"
href="https://bugs.freedesktop.org/show_bug.cgi?id=103314#c4">Comment # 4</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - Strange slow-fast performance latching between gfxbench3 (and 4) test runs"
href="https://bugs.freedesktop.org/show_bug.cgi?id=103314">bug 103314</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>(In reply to Tvrtko Ursulin from <a href="show_bug.cgi?id=103314#c3">comment #3</a>)
<span class="quote">> Btw, should I be seeing "Using a blit copy to avoid stalling on..." messages
> since I have INTEL_DEBUG=perf turned on? Or there is some other path wo/
> perf_debug which does blitter uploads as well?</span >
Yes... And you still see high BCS usage on master? That too shouldn't happen
for brw_blorp_copy_buffers, so another indication of barking up the wrong tree.
Let's see if we can perf_debug() the switch from RCS to BCS.</pre>
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