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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - Strange x86(64) code performance"
href="https://llvm.org/bugs/show_bug.cgi?id=26539">26539</a>
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<tr>
<th>Summary</th>
<td>Strange x86(64) code performance
</td>
</tr>
<tr>
<th>Product</th>
<td>libraries
</td>
</tr>
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<th>Version</th>
<td>3.7
</td>
</tr>
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<th>Hardware</th>
<td>PC
</td>
</tr>
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<th>OS</th>
<td>Linux
</td>
</tr>
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<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Severity</th>
<td>normal
</td>
</tr>
<tr>
<th>Priority</th>
<td>P
</td>
</tr>
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<th>Component</th>
<td>Backend: X86
</td>
</tr>
<tr>
<th>Assignee</th>
<td>unassignedbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>tulipawn@gmail.com
</td>
</tr>
<tr>
<th>CC</th>
<td>llvm-bugs@lists.llvm.org
</td>
</tr>
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<th>Classification</th>
<td>Unclassified
</td>
</tr></table>
<p>
<div>
<pre>Mandel-rust (<a href="https://github.com/willi-kappler/mandel-rust">https://github.com/willi-kappler/mandel-rust</a>) benchmark produces
the following results:
<a href="https://gist.github.com/petevine/b70b6e5a434f23b40ab5">https://gist.github.com/petevine/b70b6e5a434f23b40ab5</a>
The strangeness stems from the fact fastest code is being produced for the
oldest architecture which also scales best.</pre>
</div>
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