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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>
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