<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2 Final//EN"> <!--Converted with LaTeX2HTML 2008 (1.71) original version by: Nikos Drakos, CBLU, University of Leeds * revised and updated by: Marcus Hennecke, Ross Moore, Herb Swan * with significant contributions from: Jens Lippmann, Marek Rouchal, Martin Wilck and others --> <HTML> <HEAD> <TITLE>Communication routines</TITLE> <META NAME="description" CONTENT="Communication routines"> <META NAME="keywords" CONTENT="userhtml"> <META NAME="resource-type" CONTENT="document"> <META NAME="distribution" CONTENT="global"> <META NAME="Generator" CONTENT="LaTeX2HTML v2008"> <META HTTP-EQUIV="Content-Style-Type" CONTENT="text/css"> <LINK REL="STYLESHEET" HREF="userhtml.css"> <LINK REL="next" HREF="node66.html"> <LINK REL="previous" HREF="node47.html"> <LINK REL="up" HREF="userhtml.html"> <LINK REL="next" HREF="node62.html"> </HEAD> <BODY > <!--Navigation Panel--> <A NAME="tex2html986" HREF="node62.html"> <IMG WIDTH="37" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="next" SRC="next.png"></A> <A NAME="tex2html982" HREF="userhtml.html"> <IMG WIDTH="26" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="up" SRC="up.png"></A> <A NAME="tex2html976" HREF="node60.html"> <IMG WIDTH="63" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="previous" SRC="prev.png"></A> <A NAME="tex2html984" HREF="node1.html"> <IMG WIDTH="65" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="contents" SRC="contents.png"></A> <BR> <B> Next:</B> <A NAME="tex2html987" HREF="node62.html">psb_halo Halo</A> <B> Up:</B> <A NAME="tex2html983" HREF="userhtml.html">userhtml</A> <B> Previous:</B> <A NAME="tex2html977" HREF="node60.html">psb_spsm Triangular</A> <B> <A NAME="tex2html985" HREF="node1.html">Contents</A></B> <BR> <BR> <!--End of Navigation Panel--> <H1><A NAME="SECTION00060000000000000000"> Communication routines</A> </H1> The routines in this chapter implement various global communication operators on vectors associated with a discretization mesh. For auxiliary communication routines not tied to a discretization space see <A HREF="node66.html#sec:toolsrout">6</A>. <P> <BR><HR> <!--Table of Child-Links--> <A NAME="CHILD_LINKS"><STRONG>Subsections</STRONG></A> <UL> <LI><A NAME="tex2html988" HREF="node62.html">psb_halo -- Halo Data Communication</A> <LI><A NAME="tex2html989" HREF="node63.html">psb_ovrl -- Overlap Update</A> <LI><A NAME="tex2html990" HREF="node64.html">psb_gather -- Gather Global Dense Matrix</A> <LI><A NAME="tex2html991" HREF="node65.html">psb_scatter -- Scatter Global Dense Matrix</A> </UL> <!--End of Table of Child-Links--> <BR><HR> </BODY> </HTML>