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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"    "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en"><head>	<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" />	<style type="text/css">	body { font-family: Verdana, Arial, Helvetica, sans-serif;}	a.at-term {	font-style: italic; }	</style>	<title>Topology Types</title>	<meta name="Generator" content="ATutor">	<meta name="Keywords" content=""></head><body> <p>There are two main topology types that are supported by MPI - Cartesian Topologies and Graph Topologies.</p>

<ul>
<li>Cartesian topologies
<ul>
<li>Each process is connected to its neighbors in a virtual grid</li>
<li>Boundaries can be cyclic</li>
<li>Processes can be identified by cartesian coordinates</li>
</ul>
</li>


<li>Graph topologies
<ul>
<li>General graphs</li>
</ul>
</ul>
<p>We only cover Cartesian topologies in this course.</p>

<h3>Example - 2D Torus</h3>

<img SRC="taurus2d.gif" height=330 width=475></body></html>

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