43 lines
2.4 KiB
HTML
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43 lines
2.4 KiB
HTML
Executable File
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<html><head><meta http-equiv="Content-Type" content="text/html;charset=UTF-8">
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<title>MPI On Cell (Documentation): Groups, Context and Communicators</title>
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<link href="../../doxygen.css" rel="stylesheet" type="text/css">
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<link href="../../tabs.css" rel="stylesheet" type="text/css">
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</head><body>
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<!-- Generated by Doxygen 1.5.6 -->
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<div class="navigation" id="top">
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<ul>
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<li><a href="../../main.html"><span>Main Page</span></a></li>
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<li><a href="../../modules.html"><span>Modules</span></a></li>
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<li><a href="../../annotated.html"><span>Data Structures</span></a></li>
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<li><a href="../../files.html"><span>Files</span></a></li>
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<div class="contents">
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<h1>Groups, Context and Communicators<br>
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<small>
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[<a class="el" href="../../dc/dc0/group__internal__main.html">Developer Documentation</a>]</small>
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</h1>
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<p>
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Collaboration diagram for Groups, Context and Communicators:</div>
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<center><table><tr><td><img src="../../d1/d0c/group__internal__comm.png" border="0" alt="" usemap="#d5/da7/d1_2d0c_2group____internal____comm_map">
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<map name="d5/da7/d1_2d0c_2group____internal____comm_map">
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<area shape="rect" href="../../dc/dc0/group__internal__main.html" title="This section deals with the internal design and functionality." alt="" coords="5,5,173,32"></map></td></tr></table></center>
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</div>
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At the moment user-defined groups and communicators are not implemented and maybe never will be. Nevertheless user-defined groups and communicators have been taken into consideration while making the software-design (e.g. reserved field for communicator in message-envelope). So it should be not too hard to implement groups and communicators. However a lot of things concerning communicators are hardcoded (e.g. parameter checks).<p>
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To save memory only one byte is used to encode the communicator. So if one day user-defined communicators are implemented there are only 256 possible communicators.
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<p>
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<hr size="1"><address style="text-align: right;"><small>Generated on Thu Feb 12 13:51:07 2009 for MPI On Cell (Documentation) by
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<a href="http://www.doxygen.org/index.html">
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<img src="../../doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.5.6 </small></address>
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