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.
278 lines
7.2 KiB
HTML
278 lines
7.2 KiB
HTML
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
|
|
|
|
<!--Converted with LaTeX2HTML 2017.2 (Released Jan 23, 2017) -->
|
|
<HTML>
|
|
<HEAD>
|
|
<TITLE>psb_scatter -- Scatter Global Dense Matrix</TITLE>
|
|
<META NAME="description" CONTENT="psb_scatter -- Scatter Global Dense Matrix">
|
|
<META NAME="keywords" CONTENT="userhtml">
|
|
<META NAME="resource-type" CONTENT="document">
|
|
<META NAME="distribution" CONTENT="global">
|
|
|
|
<META NAME="Generator" CONTENT="LaTeX2HTML v2017.2">
|
|
<META HTTP-EQUIV="Content-Style-Type" CONTENT="text/css">
|
|
|
|
<LINK REL="STYLESHEET" HREF="userhtml.css">
|
|
|
|
<LINK REL="previous" HREF="node69.html">
|
|
<LINK REL="up" HREF="node66.html">
|
|
<LINK REL="next" HREF="node71.html">
|
|
</HEAD>
|
|
|
|
<BODY >
|
|
|
|
<DIV CLASS="navigation"><!--Navigation Panel-->
|
|
<A NAME="tex2html1115"
|
|
HREF="node71.html">
|
|
<IMG WIDTH="37" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="next" SRC="next.png"></A>
|
|
<A NAME="tex2html1111"
|
|
HREF="node66.html">
|
|
<IMG WIDTH="26" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="up" SRC="up.png"></A>
|
|
<A NAME="tex2html1107"
|
|
HREF="node69.html">
|
|
<IMG WIDTH="63" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="previous" SRC="prev.png"></A>
|
|
<A NAME="tex2html1113"
|
|
HREF="node1.html">
|
|
<IMG WIDTH="65" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="contents" SRC="contents.png"></A>
|
|
<BR>
|
|
<B> Next:</B> <A NAME="tex2html1116"
|
|
HREF="node71.html">Data management routines</A>
|
|
<B> Up:</B> <A NAME="tex2html1112"
|
|
HREF="node66.html">Communication routines</A>
|
|
<B> Previous:</B> <A NAME="tex2html1108"
|
|
HREF="node69.html">psb_gather Gather</A>
|
|
<B> <A NAME="tex2html1114"
|
|
HREF="node1.html">Contents</A></B>
|
|
<BR>
|
|
<BR></DIV>
|
|
<!--End of Navigation Panel-->
|
|
|
|
<H2><A NAME="SECTION00064000000000000000">
|
|
psb_scatter -- Scatter Global Dense Matrix</A>
|
|
</H2>
|
|
|
|
<P>
|
|
These subroutines scatters the portions of global dense matrix owned
|
|
by a process to all the processes in the processes grid.
|
|
|
|
<P>
|
|
<BR><P></P>
|
|
<DIV ALIGN="CENTER" CLASS="mathdisplay">
|
|
<!-- MATH
|
|
\begin{displaymath}
|
|
loc\_x_i \leftarrow scatter(glob\_x)
|
|
\end{displaymath}
|
|
-->
|
|
|
|
<IMG
|
|
WIDTH="168" HEIGHT="28" BORDER="0"
|
|
SRC="img83.png"
|
|
ALT="\begin{displaymath}loc\_x_i \leftarrow scatter(glob\_x) \end{displaymath}">
|
|
</DIV>
|
|
<BR CLEAR="ALL">
|
|
<P></P>
|
|
where:
|
|
<DL>
|
|
<DT><STRONG><SPAN CLASS="MATH"><IMG
|
|
WIDTH="46" HEIGHT="30" ALIGN="MIDDLE" BORDER="0"
|
|
SRC="img74.png"
|
|
ALT="$glob\_x$"></SPAN></STRONG></DT>
|
|
<DD>is the global matrix <!-- MATH
|
|
$glob\_x_{1:m,1:n}$
|
|
-->
|
|
<SPAN CLASS="MATH"><IMG
|
|
WIDTH="91" HEIGHT="30" ALIGN="MIDDLE" BORDER="0"
|
|
SRC="img75.png"
|
|
ALT="$glob\_x_{1:m,1:n}$"></SPAN>
|
|
</DD>
|
|
<DT><STRONG><SPAN CLASS="MATH"><IMG
|
|
WIDTH="43" HEIGHT="30" ALIGN="MIDDLE" BORDER="0"
|
|
SRC="img76.png"
|
|
ALT="$loc\_x_i$"></SPAN></STRONG></DT>
|
|
<DD>is the local portion of global dense matrix on
|
|
process <SPAN CLASS="MATH"><IMG
|
|
WIDTH="9" HEIGHT="17" ALIGN="BOTTOM" BORDER="0"
|
|
SRC="img4.png"
|
|
ALT="$i$"></SPAN>.
|
|
</DD>
|
|
<DT><STRONG><SPAN CLASS="MATH"><IMG
|
|
WIDTH="53" HEIGHT="14" ALIGN="BOTTOM" BORDER="0"
|
|
SRC="img84.png"
|
|
ALT="$scatter$"></SPAN></STRONG></DT>
|
|
<DD>is the scatter function.
|
|
</DD>
|
|
</DL>
|
|
|
|
<P>
|
|
<BR><P></P>
|
|
<DIV ALIGN="CENTER"><A NAME="3461"></A>
|
|
<TABLE>
|
|
<CAPTION><STRONG>Table 17:</STRONG>
|
|
Data types</CAPTION>
|
|
<TR><TD>
|
|
<DIV ALIGN="CENTER">
|
|
<TABLE CELLPADDING=3 BORDER="1" ALIGN="CENTER">
|
|
<TR><TD ALIGN="LEFT"><SPAN CLASS="MATH"><IMG
|
|
WIDTH="33" HEIGHT="30" ALIGN="MIDDLE" BORDER="0"
|
|
SRC="img78.png"
|
|
ALT="$x_i, y$"></SPAN></TD>
|
|
<TD ALIGN="LEFT"><B>Subroutine</B></TD>
|
|
</TR>
|
|
<TR><TD ALIGN="LEFT">Integer</TD>
|
|
<TD ALIGN="LEFT">psb_scatter</TD>
|
|
</TR>
|
|
<TR><TD ALIGN="LEFT">Short Precision Real</TD>
|
|
<TD ALIGN="LEFT">psb_scatter</TD>
|
|
</TR>
|
|
<TR><TD ALIGN="LEFT">Long Precision Real</TD>
|
|
<TD ALIGN="LEFT">psb_scatter</TD>
|
|
</TR>
|
|
<TR><TD ALIGN="LEFT">Short Precision Complex</TD>
|
|
<TD ALIGN="LEFT">psb_scatter</TD>
|
|
</TR>
|
|
<TR><TD ALIGN="LEFT">Long Precision Complex</TD>
|
|
<TD ALIGN="LEFT">psb_scatter</TD>
|
|
</TR>
|
|
</TABLE>
|
|
</DIV>
|
|
</TD></TR>
|
|
</TABLE>
|
|
</DIV><P></P>
|
|
<BR>
|
|
|
|
<P>
|
|
<BR>
|
|
<IMG
|
|
WIDTH="539" HEIGHT="16" ALIGN="BOTTOM" BORDER="0"
|
|
SRC="img85.png"
|
|
ALT="\begin{lstlisting}
|
|
call psb_scatter(glob_x, loc_x, desc_a, info, root, mold)
|
|
\end{lstlisting}">
|
|
<BR>
|
|
|
|
<P>
|
|
<DL>
|
|
<DT><STRONG>Type:</STRONG></DT>
|
|
<DD>Synchronous.
|
|
</DD>
|
|
<DT><STRONG><B>On Entry</B></STRONG></DT>
|
|
<DD>
|
|
</DD>
|
|
<DT><STRONG>glob_x</STRONG></DT>
|
|
<DD>The array that must be scattered into local pieces.
|
|
<BR>
|
|
Scope: <B>global</B>
|
|
<BR>
|
|
Type: <B>required</B>
|
|
<BR>
|
|
Intent: <B>in</B>.
|
|
<BR>
|
|
Specified as: a rank one or two array.
|
|
</DD>
|
|
<DT><STRONG>desc_a</STRONG></DT>
|
|
<DD>contains data structures for communications.
|
|
<BR>
|
|
Scope: <B>local</B>
|
|
<BR>
|
|
Type: <B>required</B>
|
|
<BR>
|
|
Intent: <B>in</B>.
|
|
<BR>
|
|
Specified as: a structured data of type descdata<TT>psb_desc_type</TT>.
|
|
</DD>
|
|
<DT><STRONG>root</STRONG></DT>
|
|
<DD>The process that holds the global copy. If <SPAN CLASS="MATH"><IMG
|
|
WIDTH="74" HEIGHT="30" ALIGN="MIDDLE" BORDER="0"
|
|
SRC="img80.png"
|
|
ALT="$root=-1$"></SPAN> all
|
|
the processes have a copy of the global vector.
|
|
<BR>
|
|
Scope: <B>global</B>
|
|
<BR>
|
|
Type: <B>optional</B>
|
|
<BR>
|
|
Intent: <B>in</B>.
|
|
<BR>
|
|
Specified as: an integer variable <!-- MATH
|
|
$-1\le root\le np-1$
|
|
-->
|
|
<SPAN CLASS="MATH"><IMG
|
|
WIDTH="141" HEIGHT="30" ALIGN="MIDDLE" BORDER="0"
|
|
SRC="img81.png"
|
|
ALT="$-1\le root\le np-1$"></SPAN>, default
|
|
<code>psb_root_</code>, i.e. process 0.
|
|
</DD>
|
|
<DT><STRONG>mold</STRONG></DT>
|
|
<DD>The desired dynamic type for the internal vector storage.
|
|
<BR>
|
|
Scope: <B>local</B>.
|
|
<BR>
|
|
Type: <B>optional</B>.
|
|
<BR>
|
|
Intent: <B>in</B>.
|
|
<BR>
|
|
Specified as: an object of a class derived from vbasedata<TT>psb_T_base_vect_type</TT>; this is
|
|
only allowed when loc_x is of type vdata<TT>psb_T_vect_type</TT>.
|
|
</DD>
|
|
<DT><STRONG><B>On Return</B></STRONG></DT>
|
|
<DD>
|
|
</DD>
|
|
<DT><STRONG>loc_x</STRONG></DT>
|
|
<DD>the local portion of global dense matrix
|
|
<SPAN CLASS="MATH"><IMG
|
|
WIDTH="46" HEIGHT="30" ALIGN="MIDDLE" BORDER="0"
|
|
SRC="img74.png"
|
|
ALT="$glob\_x$"></SPAN>.
|
|
<BR>
|
|
Scope: <B>local</B>
|
|
<BR>
|
|
Type: <B>required</B>
|
|
<BR>
|
|
Intent: <B>out</B>.
|
|
<BR>
|
|
Specified as: a rank one or two ALLOCATABLE array or an object of type vdata<TT>psb_T_vect_type</TT> containing numbers of the type
|
|
indicated in Table <A HREF="#tab:scatter">17</A>.
|
|
</DD>
|
|
<DT><STRONG>info</STRONG></DT>
|
|
<DD>Error code.
|
|
<BR>
|
|
Scope: <B>local</B>
|
|
<BR>
|
|
Type: <B>required</B>
|
|
<BR>
|
|
Intent: <B>out</B>.
|
|
<BR>
|
|
An integer value; 0 means no error has been detected.
|
|
</DD>
|
|
</DL>
|
|
|
|
<P>
|
|
|
|
<DIV CLASS="navigation"><HR>
|
|
<!--Navigation Panel-->
|
|
<A NAME="tex2html1115"
|
|
HREF="node71.html">
|
|
<IMG WIDTH="37" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="next" SRC="next.png"></A>
|
|
<A NAME="tex2html1111"
|
|
HREF="node66.html">
|
|
<IMG WIDTH="26" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="up" SRC="up.png"></A>
|
|
<A NAME="tex2html1107"
|
|
HREF="node69.html">
|
|
<IMG WIDTH="63" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="previous" SRC="prev.png"></A>
|
|
<A NAME="tex2html1113"
|
|
HREF="node1.html">
|
|
<IMG WIDTH="65" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="contents" SRC="contents.png"></A>
|
|
<BR>
|
|
<B> Next:</B> <A NAME="tex2html1116"
|
|
HREF="node71.html">Data management routines</A>
|
|
<B> Up:</B> <A NAME="tex2html1112"
|
|
HREF="node66.html">Communication routines</A>
|
|
<B> Previous:</B> <A NAME="tex2html1108"
|
|
HREF="node69.html">psb_gather Gather</A>
|
|
<B> <A NAME="tex2html1114"
|
|
HREF="node1.html">Contents</A></B> </DIV>
|
|
<!--End of Navigation Panel-->
|
|
|
|
</BODY>
|
|
</HTML>
|