<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2 Final//EN"> <!--Converted with LaTeX2HTML 2012 (1.2) 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>Named Constants</TITLE> <META NAME="description" CONTENT="Named Constants"> <META NAME="keywords" CONTENT="userhtml"> <META NAME="resource-type" CONTENT="document"> <META NAME="distribution" CONTENT="global"> <META NAME="Generator" CONTENT="LaTeX2HTML v2012"> <META HTTP-EQUIV="Content-Style-Type" CONTENT="text/css"> <LINK REL="STYLESHEET" HREF="userhtml.css"> <LINK REL="previous" HREF="node20.html"> <LINK REL="up" HREF="node10.html"> <LINK REL="next" HREF="node22.html"> </HEAD> <BODY > <!--Navigation Panel--> <A NAME="tex2html490" HREF="node22.html"> <IMG WIDTH="37" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="next" SRC="next.png"></A> <A NAME="tex2html486" HREF="node10.html"> <IMG WIDTH="26" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="up" SRC="up.png"></A> <A NAME="tex2html482" HREF="node20.html"> <IMG WIDTH="63" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="previous" SRC="prev.png"></A> <A NAME="tex2html488" HREF="node1.html"> <IMG WIDTH="65" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="contents" SRC="contents.png"></A> <BR> <B> Next:</B> <A NAME="tex2html491" HREF="node22.html">Sparse Matrix class</A> <B> Up:</B> <A NAME="tex2html487" HREF="node10.html">Descriptor data structure</A> <B> Previous:</B> <A NAME="tex2html483" HREF="node20.html">psb_cd_set_large_threshold Set</A> <B> <A NAME="tex2html489" HREF="node1.html">Contents</A></B> <BR> <BR> <!--End of Navigation Panel--> <H3><A NAME="SECTION000411100000000000000"></A> <A NAME="sec:cd_constants"></A> <BR> Named Constants </H3> <DL> <DT><STRONG>psb_none_</STRONG></DT> <DD>Generic no-op; </DD> <DT><STRONG>psb_root_</STRONG></DT> <DD>Default root process for broadcast and scatter operations; </DD> <DT><STRONG>psb_nohalo_</STRONG></DT> <DD>Do not fetch halo elements; </DD> <DT><STRONG>psb_halo_</STRONG></DT> <DD>Fetch halo elements from neighbouring processes; </DD> <DT><STRONG>psb_sum_</STRONG></DT> <DD>Sum overlapped elements </DD> <DT><STRONG>psb_avg_</STRONG></DT> <DD>Average overlapped elements </DD> <DT><STRONG>psb_comm_halo_</STRONG></DT> <DD>Exchange data based on the <code>halo_index</code> list; </DD> <DT><STRONG>psb_comm_ext_</STRONG></DT> <DD>Exchange data based on the <code>ext_index</code> list; </DD> <DT><STRONG>psb_comm_ovr_</STRONG></DT> <DD>Exchange data based on the <code>ovrlap_index</code> list; </DD> <DT><STRONG>psb_comm_mov_</STRONG></DT> <DD>Exchange data based on the <code>ovr_mst_idx</code> list; <P> </DD> </DL> <P> <BR><HR> </BODY> </HTML>