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106 lines
4.2 KiB
106 lines
4.2 KiB
<!-------- @HEADER
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!
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! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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!
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! Zoltan Toolkit for Load-balancing, Partitioning, Ordering and Coloring
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! Copyright 2012 Sandia Corporation
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!
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! Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
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! the U.S. Government retains certain rights in this software.
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!
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! Redistribution and use in source and binary forms, with or without
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! modification, are permitted provided that the following conditions are
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! met:
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!
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! 1. Redistributions of source code must retain the above copyright
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! notice, this list of conditions and the following disclaimer.
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!
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! 2. Redistributions in binary form must reproduce the above copyright
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! notice, this list of conditions and the following disclaimer in the
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! documentation and/or other materials provided with the distribution.
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!
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! 3. Neither the name of the Corporation nor the names of the
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! contributors may be used to endorse or promote products derived from
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! this software without specific prior written permission.
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!
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! THIS SOFTWARE IS PROVIDED BY SANDIA CORPORATION "AS IS" AND ANY
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! EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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! IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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! PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL SANDIA CORPORATION OR THE
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! CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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! EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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! PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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! PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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! LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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! NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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! SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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!
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! Questions? Contact Karen Devine kddevin@sandia.gov
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! Erik Boman egboman@sandia.gov
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!
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! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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!
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! @HEADER
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------->
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<!doctype html public "-//w3c//dtd html 4.0 transitional//en">
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<html>
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
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<meta name="GENERATOR" content="Mozilla/4.76 [en] (X11; U; Linux 2.4.2-2smp i686) [Netscape]">
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<meta name="sandia.approval_type" content="formal">
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<meta name="sandia.approved" content="SAND2007-4748W">
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<meta name="author" content="Zoltan PI">
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<title>Zoltan User's Guide: Graph Algorithms</title>
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</head>
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<body bgcolor="#FFFFFF">
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<div align=right><b><i><a href="ug.html">Zoltan User's Guide</a>
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| <a href="ug_graph_vs_hg.html">Next</a> | <a href="ug_alg_patoh.html">Previous</a></i></b></div>
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Note: See also <a href="ug_alg_hypergraph.html">hypergraph partitioning</a>. <p>
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<h2>
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<a NAME="Graph"></a>Graph partitioning</h2>
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<p>Zoltan performs graph partitioning when the <i>LB_METHOD</i>
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parameter is set to GRAPH.
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Zoltan provides three packages capable of partitioning a graph. The
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package is chosen by setting the GRAPH_PACKAGE parameter.
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Two packages (ParMetis and Scotch) are external packages and not
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part of Zoltan but accessible via Zoltan. The last package is
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PHG, Zoltan's native hypergraph partitioner. PHG will treat
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the graph as a regular hypergraph with edge size two.
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Since PHG was designed for general hypergraphs, it is usually
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slower than graph partitioners but often produces better quality.
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<br>
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<table WIDTH="100%" NOSAVE >
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<tr>
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<td VALIGN=TOP><b>Method String:</b></td>
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<td><b>GRAPH</b></td>
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</tr>
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<tr>
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<td><b>Parameters:</b></td>
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<td></td>
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</tr>
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<tr>
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<td VALIGN=TOP><i> GRAPH_PACKAGE</i></td>
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<td>The software package to use in partitioning the graph.
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<br><i><a href=ug_alg_phg.html>PHG</a> (default)</i>
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<br><i><a href=ug_alg_parmetis.html>ParMETIS</a></i>
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<br><i><a href=ug_alg_ptscotch.html>Scotch/PT-Scotch</a></i>
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</tr>
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</table>
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<p>
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<hr WIDTH="100%">[<a href="ug.html">Table of Contents</a> | <a href="ug_graph_vs_hg.html">Next:
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Graph vs. Hypergraph Partitioning</a> | <a href="ug_alg_patoh.html">Previous:
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PaToH Hypergraph Partitioning</a> | <a href="https://www.sandia.gov/general/privacy-security/index.html">Privacy and Security</a>]
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</body>
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</html>
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