You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
163 lines
4.5 KiB
HTML
163 lines
4.5 KiB
HTML
<!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>psb_bcast -- Broadcast data</TITLE>
|
|
<META NAME="description" CONTENT="psb_bcast -- Broadcast data">
|
|
<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="node80.html">
|
|
<LINK REL="previous" HREF="node78.html">
|
|
<LINK REL="up" HREF="node70.html">
|
|
<LINK REL="next" HREF="node80.html">
|
|
</HEAD>
|
|
|
|
<BODY >
|
|
<!--Navigation Panel-->
|
|
<A NAME="tex2html1174"
|
|
HREF="node80.html">
|
|
<IMG WIDTH="37" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="next" SRC="next.png"></A>
|
|
<A NAME="tex2html1170"
|
|
HREF="node70.html">
|
|
<IMG WIDTH="26" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="up" SRC="up.png"></A>
|
|
<A NAME="tex2html1164"
|
|
HREF="node78.html">
|
|
<IMG WIDTH="63" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="previous" SRC="prev.png"></A>
|
|
<A NAME="tex2html1172"
|
|
HREF="node1.html">
|
|
<IMG WIDTH="65" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="contents" SRC="contents.png"></A>
|
|
<BR>
|
|
<B> Next:</B> <A NAME="tex2html1175"
|
|
HREF="node80.html">psb_sum Global</A>
|
|
<B> Up:</B> <A NAME="tex2html1171"
|
|
HREF="node70.html">Parallel environment routines</A>
|
|
<B> Previous:</B> <A NAME="tex2html1165"
|
|
HREF="node78.html">psb_abort Abort</A>
|
|
<B> <A NAME="tex2html1173"
|
|
HREF="node1.html">Contents</A></B>
|
|
<BR>
|
|
<BR>
|
|
<!--End of Navigation Panel-->
|
|
|
|
<H2><A NAME="SECTION00089000000000000000">
|
|
psb_bcast -- Broadcast data</A>
|
|
</H2>
|
|
|
|
<P>
|
|
<PRE>
|
|
call psb_bcast(icontxt, dat, root)
|
|
</PRE>
|
|
|
|
<P>
|
|
This subroutine implements a broadcast operation based on the
|
|
underlying communication library.
|
|
<DL>
|
|
<DT><STRONG>Type:</STRONG></DT>
|
|
<DD>Synchronous.
|
|
</DD>
|
|
<DT><STRONG><B>On Entry </B></STRONG></DT>
|
|
<DD>
|
|
</DD>
|
|
<DT><STRONG>icontxt</STRONG></DT>
|
|
<DD>the communication context identifying the virtual
|
|
parallel machine.
|
|
<BR>
|
|
Scope: <B>global</B>.
|
|
<BR>
|
|
Type: <B>required</B>.
|
|
<BR>
|
|
Intent: <B>in</B>.
|
|
<BR>
|
|
Specified as: an integer variable.
|
|
</DD>
|
|
<DT><STRONG>dat</STRONG></DT>
|
|
<DD>On the root process, the data to be broadcast.
|
|
<BR>
|
|
Scope: <B>global</B>.
|
|
<BR>
|
|
Type: <B>required</B>.
|
|
<BR>
|
|
Intent: <B>inout</B>.
|
|
<BR>
|
|
Specified as: an integer, real or complex variable, which may be a
|
|
scalar, or a rank 1 or 2 array, or a character or logical variable,
|
|
which may be a scalar or rank 1 array. Type, kind, rank and size must agree on all processes.
|
|
</DD>
|
|
<DT><STRONG>root</STRONG></DT>
|
|
<DD>Root process holding data to be broadcast.
|
|
<BR>
|
|
Scope: <B>global</B>.
|
|
<BR>
|
|
Type: <B>optional</B>.
|
|
<BR>
|
|
Intent: <B>in</B>.
|
|
<BR>
|
|
Specified as: an integer value <!-- MATH
|
|
$0<= root <= np-1$
|
|
-->
|
|
<IMG
|
|
WIDTH="153" HEIGHT="30" ALIGN="MIDDLE" BORDER="0"
|
|
SRC="img127.png"
|
|
ALT="$0<= root <= np-1$">, default 0 </DD>
|
|
</DL>
|
|
|
|
<P>
|
|
<DL>
|
|
<DT><STRONG><B>On Return</B></STRONG></DT>
|
|
<DD>
|
|
</DD>
|
|
<DT><STRONG>dat</STRONG></DT>
|
|
<DD>On processes other than root, the data to be broadcast.
|
|
<BR>
|
|
Scope: <B>global</B>.
|
|
<BR>
|
|
Type: <B>required</B>.
|
|
<BR>
|
|
Intent: <B>inout</B>.
|
|
<BR>
|
|
Specified as: an integer, real or complex variable, which may be a
|
|
scalar, or a rank 1 or 2 array, or a character or logical scalar. Type, kind, rank and size must agree on all processes.
|
|
</DD>
|
|
</DL>
|
|
|
|
<P>
|
|
<HR>
|
|
<!--Navigation Panel-->
|
|
<A NAME="tex2html1174"
|
|
HREF="node80.html">
|
|
<IMG WIDTH="37" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="next" SRC="next.png"></A>
|
|
<A NAME="tex2html1170"
|
|
HREF="node70.html">
|
|
<IMG WIDTH="26" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="up" SRC="up.png"></A>
|
|
<A NAME="tex2html1164"
|
|
HREF="node78.html">
|
|
<IMG WIDTH="63" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="previous" SRC="prev.png"></A>
|
|
<A NAME="tex2html1172"
|
|
HREF="node1.html">
|
|
<IMG WIDTH="65" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="contents" SRC="contents.png"></A>
|
|
<BR>
|
|
<B> Next:</B> <A NAME="tex2html1175"
|
|
HREF="node80.html">psb_sum Global</A>
|
|
<B> Up:</B> <A NAME="tex2html1171"
|
|
HREF="node70.html">Parallel environment routines</A>
|
|
<B> Previous:</B> <A NAME="tex2html1165"
|
|
HREF="node78.html">psb_abort Abort</A>
|
|
<B> <A NAME="tex2html1173"
|
|
HREF="node1.html">Contents</A></B>
|
|
<!--End of Navigation Panel-->
|
|
|
|
</BODY>
|
|
</HTML>
|