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thirdParty/Zoltan/docs/ug_html/ug_alg_patoh.html
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thirdParty/Zoltan/docs/ug_html/ug_alg_patoh.html
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<!-------- @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"
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content="text/html; charset=iso-8859-1">
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<meta name="GENERATOR"
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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: PaToH</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_alg_graph.html">Next</a> | <a
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href="ug_alg_phg.html">Previous</a></i></b></div>
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<h2>
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<a name="PaToH"></a>PaToH</h2>
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<a href="https://bmi.osu.edu/%7Eumit/software.htm">PaToH</a>
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is a serial hypergraph partitioning package. It is not distributed
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with Zoltan and must be obtained separately. (You will also need to
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modify your Zoltan configuration file after installation.)
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PaToH binary distribution is available free of charge for
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non-commercial, research use by individuals, academic or research
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institutions and corporations. Commercial use of PaToH software
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requires commercial license. Please direct commercial-use license
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inquiries to catalyurek.1@osu.edu.
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<p>
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Since PaToH is serial, it can be used in Zoltan only on a single
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processor. PaToH is faster than Zoltan PHG in serial mode, and
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often produces (slightly) better partition quality.
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<p>
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<table nosave="" width="100%">
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<tbody>
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<tr>
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<td VALIGN=TOP><b>Value of LB_METHOD:</b></td>
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<td><b>HYPERGRAPH</b></td>
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</tr>
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<tr>
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<td VALIGN=TOP><b>Value of HYPERGRAPH_PACKAGE:</b></td>
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<td><b>PATOH</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><br>
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</td>
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</tr>
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<tr>
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<td ><i> PATOH_ALLOC_POOL0</i></td>
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<td>
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<br><i>non-zero</i>  (the value of the MemMul_CellNet PATOH parameter)
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<br><i>0</i>  (the default)
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</td>
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</tr>
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<tr>
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<td ><i> PATOH_ALLOC_POOL1</i></td>
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<td>
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<br><i>non-zero</i>  (the value of the MemMul_Pins PATOH parameter)
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<br><i>0</i>  (the default)
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</td>
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</tr>
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<tr>
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<td ><i> USE_TIMERS</i></td>
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<td>
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<br><i>1</i>  (time operations and print results)
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<br><i>0</i>  (don't time, the default)
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</td>
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</tr>
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<tr nosave="" valign="top">
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<td> <span style="font-style: italic;">PHG_EDGE_SIZE_THRESHOLD</span><br>
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</td>
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<td nosave="">Value 0.0 through 1.0, if number of vertices in hyperedge divided by total vertices in hypergraph exceeds this fraction, the hyperedge will be omitted.<br>
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</td>
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</tr>
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<tr>
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<td style="vertical-align: top;"> <span
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style="font-style: italic;">ADD_OBJ_WEIGHT</span><br>
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</td>
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<td style="vertical-align: top;">Add implicit vertex (object)
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weight. Multi-weight partitioning is not yet supported, so currently either
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the user-defined weight or the implicit weight will be used.
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Valid values:<br>
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<i>none</i> (the default if <a href=ug_param.html#General_Parameters>OBJ_WEIGHT_DIM</a> > 0)<br>
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<i>unit</i> or <i>vertices</i> (each vertex has weight 1.0,
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default if <a href=ug_param.html#General_Parameters>OBJ_WEIGHT_DIM</a>
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is zero)<br>
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<i>pins</i> or <i>nonzeros</i> or <i>vertex degree</i> (vertex weight
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equals number hyperedges containing it)<br>
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</td>
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</tr>
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<tr>
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<td style="vertical-align: top;"> <span
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style="font-style: italic;">CHECK_HYPERGRAPH</span><br>
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</td>
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<td style="vertical-align: top;">Check that the query functions
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return valid input data; 0 or 1. (This slows performance; intended for debugging.)<br>
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</td>
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</tr>
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<tr>
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<td><b>Default Values:</b></td>
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<td><br>
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</td>
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</tr>
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<tr>
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<td></td>
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<td><i>PATOH_ALLOC_POOL0</i> = 0 </td>
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</tr>
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<tr>
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<td></td>
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<td><i>PATOH_ALLOC_POOL1</i> = 0 </td>
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</tr>
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<tr>
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<td></td>
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<td><i>USE_TIMERS</i> = 0 </td>
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</tr>
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<tr>
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<td></td>
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<td><i>PHG_EDGE_SIZE_THRESHOLD</i> = 0.25 </td>
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</tr>
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<tr>
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<td></td>
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<td><i>ADD_OBJ_WEIGHT</i> = none </td>
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</tr>
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<tr>
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<td></td>
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<td><i>CHECK_HYPERGRAPH</i> = 0 </td>
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</tr>
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<tr>
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<td valign="top"><b>Required Query Functions:</b></td>
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<td><br>
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</td>
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</tr>
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<tr>
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<td><br>
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</td>
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<td><b><a href="ug_query_lb.html#ZOLTAN_NUM_OBJ_FN">ZOLTAN_NUM_OBJ_FN</a></b></td>
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</tr>
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<tr>
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<td><br>
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</td>
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<td><b><a href="ug_query_lb.html#ZOLTAN_OBJ_LIST_FN">ZOLTAN_OBJ_LIST_FN</a></b>
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</td>
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</tr>
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<tr nosave="" valign="top">
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<td><br>
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</td>
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<td nosave=""> <b><a href="ug_query_lb.html#ZOLTAN_HG_SIZE_CS_FN">ZOLTAN_HG_SIZE_CS_FN</a></b>
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<br>
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<b><a href="ug_query_lb.html#ZOLTAN_HG_CS_FN">ZOLTAN_HG_CS_FN</a></b>
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</td>
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</tr>
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<tr>
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<td valign="top"><b>Optional Query Functions:</b></td>
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<td><br>
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</td>
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</tr>
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<tr>
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<td><br>
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</td>
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<td><b><a href="ug_query_lb.html#ZOLTAN_HG_SIZE_EDGE_WTS_FN">ZOLTAN_HG_SIZE_EDGE_WTS_FN</a></b></td>
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</tr>
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<tr>
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<td><br>
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</td>
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<td><b><a href="ug_query_lb.html#ZOLTAN_HG_EDGE_WTS_FN">ZOLTAN_HG_EDGE_WTS_FN</a></b></td>
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</tr>
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</body>
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</table>
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<hr width="100%">[<a href="ug.html">Table of Contents</a> | <a
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href="ug_alg_graph.html">Next:
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Graph Partitioning</a> | <a href="ug_alg_phg.html">Previous:
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PHG</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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