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<body><span class="vcard"><a class="email" href="mailto:lekensteyn@gmail.com" title="Peter Wu <lekensteyn@gmail.com>"> <span class="fn">Peter Wu</span></a>
</span> changed
<a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED FIXED - r600g pyrit OpenCL issue on HD6850"
href="https://bugs.freedesktop.org/show_bug.cgi?id=64600">bug 64600</a>
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<table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>What</th>
<th>Removed</th>
<th>Added</th>
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<tr>
<td style="text-align:right;">Status</td>
<td>NEW
</td>
<td>RESOLVED
</td>
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<td style="text-align:right;">Resolution</td>
<td>---
</td>
<td>FIXED
</td>
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<b><a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED FIXED - r600g pyrit OpenCL issue on HD6850"
href="https://bugs.freedesktop.org/show_bug.cgi?id=64600#c21">Comment # 21</a>
on <a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED FIXED - r600g pyrit OpenCL issue on HD6850"
href="https://bugs.freedesktop.org/show_bug.cgi?id=64600">bug 64600</a>
from <span class="vcard"><a class="email" href="mailto:lekensteyn@gmail.com" title="Peter Wu <lekensteyn@gmail.com>"> <span class="fn">Peter Wu</span></a>
</span></b>
<pre>Works now with the latest mesa and llvm. If the performance is still bad, you
are probably affected by a bad workgroup size. In that case, try Tom's
pyrit-perfs[1][2] patches on top of ac81b6f2be8779022e8641984b09118b57263128.
The second patch[2] is already upstreamed, but patch [1] does not apply on the
current master because of other changes in the area.
[1]:
<a href="http://people.freedesktop.org/~tstellar/pyrit-perf/0001-XXX-clover-Calculate-the-optimal-work-group-size.patch">http://people.freedesktop.org/~tstellar/pyrit-perf/0001-XXX-clover-Calculate-the-optimal-work-group-size.patch</a>
[2]:
<a href="http://people.freedesktop.org/~tstellar/pyrit-perf/0001-radeon-llvm-Specify-the-DataLayout-when-running-opti.patch">http://people.freedesktop.org/~tstellar/pyrit-perf/0001-radeon-llvm-Specify-the-DataLayout-when-running-opti.patch</a></pre>
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