mirror of
https://github.com/sfilippone/psblas3.git
synced 2026-10-07 07:04:57 +00:00
psblas:
base/modules/psb_desc_mod.F90 docs/html/footnode.html docs/html/img100.png docs/html/img101.png docs/html/img102.png docs/html/img103.png docs/html/img104.png docs/html/img105.png docs/html/img106.png docs/html/img107.png docs/html/img108.png docs/html/img109.png docs/html/img110.png docs/html/img111.png docs/html/img112.png docs/html/img113.png docs/html/img114.png docs/html/img115.png docs/html/img116.png docs/html/img117.png docs/html/img118.png docs/html/img119.png docs/html/img120.png docs/html/img121.png docs/html/img122.png docs/html/img123.png docs/html/img124.png docs/html/img125.png docs/html/img126.png docs/html/img127.png docs/html/img128.png docs/html/img129.png docs/html/img130.png docs/html/img131.png docs/html/img132.png docs/html/img133.png docs/html/img134.png docs/html/img135.png docs/html/img136.png docs/html/img137.png docs/html/img138.png docs/html/img139.png docs/html/img140.png docs/html/img141.png docs/html/img142.png docs/html/img143.png docs/html/img144.png docs/html/img145.png docs/html/img146.png docs/html/img147.png docs/html/img148.png docs/html/img149.png docs/html/img150.png docs/html/img151.png docs/html/img152.png docs/html/img153.png docs/html/img154.png docs/html/img155.png docs/html/img156.png docs/html/img157.png docs/html/img158.png docs/html/img159.png docs/html/img160.png docs/html/img161.png docs/html/img162.png docs/html/img163.png docs/html/img164.png docs/html/img165.png docs/html/img20.png docs/html/img25.png docs/html/img28.png docs/html/img29.png docs/html/img33.png docs/html/img34.png docs/html/img38.png docs/html/img39.png docs/html/img42.png docs/html/img45.png docs/html/img46.png docs/html/img53.png docs/html/img54.png docs/html/img55.png docs/html/img56.png docs/html/img57.png docs/html/img58.png docs/html/img59.png docs/html/img60.png docs/html/img61.png docs/html/img62.png docs/html/img63.png docs/html/img64.png docs/html/img65.png docs/html/img66.png docs/html/img67.png docs/html/img68.png docs/html/img69.png docs/html/img70.png docs/html/img71.png docs/html/img72.png docs/html/img73.png docs/html/img74.png docs/html/img75.png docs/html/img76.png docs/html/img77.png docs/html/img78.png docs/html/img79.png docs/html/img80.png docs/html/img81.png docs/html/img82.png docs/html/img83.png docs/html/img84.png docs/html/img85.png docs/html/img86.png docs/html/img87.png docs/html/img88.png docs/html/img89.png docs/html/img90.png docs/html/img91.png docs/html/img92.png docs/html/img93.png docs/html/img94.png docs/html/img95.png docs/html/img96.png docs/html/img97.png docs/html/img98.png docs/html/img99.png docs/html/index.html docs/html/node1.html docs/html/node10.html docs/html/node100.html docs/html/node101.html docs/html/node102.html docs/html/node103.html docs/html/node104.html docs/html/node105.html docs/html/node106.html docs/html/node107.html docs/html/node108.html docs/html/node109.html docs/html/node11.html docs/html/node110.html docs/html/node111.html docs/html/node112.html docs/html/node113.html docs/html/node114.html docs/html/node115.html docs/html/node116.html docs/html/node117.html docs/html/node118.html docs/html/node119.html docs/html/node12.html docs/html/node120.html docs/html/node121.html docs/html/node122.html docs/html/node123.html docs/html/node124.html docs/html/node125.html docs/html/node126.html docs/html/node127.html docs/html/node128.html docs/html/node13.html docs/html/node14.html docs/html/node15.html docs/html/node16.html docs/html/node17.html docs/html/node18.html docs/html/node19.html docs/html/node2.html docs/html/node20.html docs/html/node21.html docs/html/node22.html docs/html/node23.html docs/html/node24.html docs/html/node25.html docs/html/node26.html docs/html/node27.html docs/html/node28.html docs/html/node29.html docs/html/node3.html docs/html/node30.html docs/html/node31.html docs/html/node32.html docs/html/node33.html docs/html/node34.html docs/html/node35.html docs/html/node36.html docs/html/node37.html docs/html/node38.html docs/html/node39.html docs/html/node4.html docs/html/node40.html docs/html/node41.html docs/html/node42.html docs/html/node43.html docs/html/node44.html docs/html/node45.html docs/html/node46.html docs/html/node47.html docs/html/node48.html docs/html/node49.html docs/html/node5.html docs/html/node50.html docs/html/node51.html docs/html/node52.html docs/html/node53.html docs/html/node54.html docs/html/node55.html docs/html/node56.html docs/html/node57.html docs/html/node58.html docs/html/node59.html docs/html/node6.html docs/html/node60.html docs/html/node61.html docs/html/node62.html docs/html/node63.html docs/html/node64.html docs/html/node65.html docs/html/node66.html docs/html/node67.html docs/html/node68.html docs/html/node69.html docs/html/node7.html docs/html/node70.html docs/html/node71.html docs/html/node72.html docs/html/node73.html docs/html/node74.html docs/html/node75.html docs/html/node76.html docs/html/node77.html docs/html/node78.html docs/html/node79.html docs/html/node8.html docs/html/node80.html docs/html/node81.html docs/html/node82.html docs/html/node83.html docs/html/node84.html docs/html/node85.html docs/html/node86.html docs/html/node87.html docs/html/node88.html docs/html/node89.html docs/html/node9.html docs/html/node90.html docs/html/node91.html docs/html/node92.html docs/html/node93.html docs/html/node94.html docs/html/node95.html docs/html/node96.html docs/html/node97.html docs/html/node98.html docs/html/node99.html docs/html/userhtml.html docs/psblas-3.4.pdf docs/src/datastruct.tex util/psb_d_genpde_impl.f90 util/psb_s_genpde_impl.f90 Defined new get_global_indices() method for DESC. Use it in GENPDE. Update docs
This commit is contained in:
Salvatore Filippone
+228
-94
@@ -7,8 +7,8 @@ original version by: Nikos Drakos, CBLU, University of Leeds
|
||||
Jens Lippmann, Marek Rouchal, Martin Wilck and others -->
|
||||
<HTML>
|
||||
<HEAD>
|
||||
<TITLE>Data management routines</TITLE>
|
||||
<META NAME="description" CONTENT="Data management routines">
|
||||
<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">
|
||||
@@ -18,119 +18,253 @@ original version by: Nikos Drakos, CBLU, University of Leeds
|
||||
|
||||
<LINK REL="STYLESHEET" HREF="userhtml.css">
|
||||
|
||||
<LINK REL="next" HREF="node94.html">
|
||||
<LINK REL="previous" HREF="node61.html">
|
||||
<LINK REL="up" HREF="userhtml.html">
|
||||
<LINK REL="previous" HREF="node65.html">
|
||||
<LINK REL="up" HREF="node62.html">
|
||||
<LINK REL="next" HREF="node67.html">
|
||||
</HEAD>
|
||||
|
||||
<BODY >
|
||||
<!--Navigation Panel-->
|
||||
<A NAME="tex2html1048"
|
||||
<A NAME="tex2html1051"
|
||||
HREF="node67.html">
|
||||
<IMG WIDTH="37" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="next" SRC="next.png"></A>
|
||||
<A NAME="tex2html1044"
|
||||
HREF="userhtml.html">
|
||||
<A NAME="tex2html1047"
|
||||
HREF="node62.html">
|
||||
<IMG WIDTH="26" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="up" SRC="up.png"></A>
|
||||
<A NAME="tex2html1038"
|
||||
<A NAME="tex2html1043"
|
||||
HREF="node65.html">
|
||||
<IMG WIDTH="63" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="previous" SRC="prev.png"></A>
|
||||
<A NAME="tex2html1046"
|
||||
<A NAME="tex2html1049"
|
||||
HREF="node1.html">
|
||||
<IMG WIDTH="65" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="contents" SRC="contents.png"></A>
|
||||
<BR>
|
||||
<B> Next:</B> <A NAME="tex2html1049"
|
||||
HREF="node67.html">psb_cdall Allocates</A>
|
||||
<B> Up:</B> <A NAME="tex2html1045"
|
||||
HREF="userhtml.html">userhtml</A>
|
||||
<B> Previous:</B> <A NAME="tex2html1039"
|
||||
HREF="node65.html">psb_scatter Scatter</A>
|
||||
<B> <A NAME="tex2html1047"
|
||||
<B> Next:</B> <A NAME="tex2html1052"
|
||||
HREF="node67.html">Data management routines</A>
|
||||
<B> Up:</B> <A NAME="tex2html1048"
|
||||
HREF="node62.html">Communication routines</A>
|
||||
<B> Previous:</B> <A NAME="tex2html1044"
|
||||
HREF="node65.html">psb_gather Gather</A>
|
||||
<B> <A NAME="tex2html1050"
|
||||
HREF="node1.html">Contents</A></B>
|
||||
<BR>
|
||||
<BR>
|
||||
<!--End of Navigation Panel-->
|
||||
|
||||
<H1><A NAME="SECTION00070000000000000000"></A>
|
||||
<A NAME="sec:toolsrout"></A>
|
||||
<BR>
|
||||
Data management routines
|
||||
</H1>
|
||||
<H2><A NAME="SECTION00064000000000000000">
|
||||
psb_scatter -- Scatter Global Dense Matrix</A>
|
||||
</H2>
|
||||
|
||||
<P>
|
||||
<BR><HR>
|
||||
<!--Table of Child-Links-->
|
||||
<A NAME="CHILD_LINKS"><STRONG>Subsections</STRONG></A>
|
||||
These subroutines scatters the portions of global dense matrix owned
|
||||
by a process to all the processes in the processes grid.
|
||||
|
||||
<UL>
|
||||
<LI><A NAME="tex2html1050"
|
||||
HREF="node67.html">psb_cdall -- Allocates a communication descriptor</A>
|
||||
<LI><A NAME="tex2html1051"
|
||||
HREF="node68.html">psb_cdins -- Communication descriptor insert
|
||||
routine</A>
|
||||
<LI><A NAME="tex2html1052"
|
||||
HREF="node69.html">psb_cdasb -- Communication descriptor assembly
|
||||
routine</A>
|
||||
<LI><A NAME="tex2html1053"
|
||||
HREF="node70.html">psb_cdcpy -- Copies a communication descriptor</A>
|
||||
<LI><A NAME="tex2html1054"
|
||||
HREF="node71.html">psb_cdfree -- Frees a communication descriptor</A>
|
||||
<LI><A NAME="tex2html1055"
|
||||
HREF="node72.html">psb_cdbldext -- Build an extended communication
|
||||
descriptor</A>
|
||||
<LI><A NAME="tex2html1056"
|
||||
HREF="node73.html">psb_spall -- Allocates a sparse matrix</A>
|
||||
<LI><A NAME="tex2html1057"
|
||||
HREF="node74.html">psb_spins -- Insert a cloud of elements into a sparse
|
||||
matrix</A>
|
||||
<LI><A NAME="tex2html1058"
|
||||
HREF="node75.html">psb_spasb -- Sparse matrix assembly routine</A>
|
||||
<LI><A NAME="tex2html1059"
|
||||
HREF="node76.html">psb_spfree -- Frees a sparse matrix</A>
|
||||
<LI><A NAME="tex2html1060"
|
||||
HREF="node77.html">psb_sprn -- Reinit sparse matrix structure for psblas
|
||||
routines.</A>
|
||||
<LI><A NAME="tex2html1061"
|
||||
HREF="node78.html">psb_geall -- Allocates a dense matrix</A>
|
||||
<LI><A NAME="tex2html1062"
|
||||
HREF="node79.html">psb_geins -- Dense matrix insertion routine</A>
|
||||
<LI><A NAME="tex2html1063"
|
||||
HREF="node80.html">psb_geasb -- Assembly a dense matrix</A>
|
||||
<LI><A NAME="tex2html1064"
|
||||
HREF="node81.html">psb_gefree -- Frees a dense matrix</A>
|
||||
<LI><A NAME="tex2html1065"
|
||||
HREF="node82.html">psb_gelp -- Applies a left permutation to a dense
|
||||
matrix</A>
|
||||
<LI><A NAME="tex2html1066"
|
||||
HREF="node83.html">psb_glob_to_loc -- Global to local indices
|
||||
convertion</A>
|
||||
<LI><A NAME="tex2html1067"
|
||||
HREF="node84.html">psb_loc_to_glob -- Local to global indices
|
||||
conversion</A>
|
||||
<LI><A NAME="tex2html1068"
|
||||
HREF="node85.html">psb_is_owned -- </A>
|
||||
<LI><A NAME="tex2html1069"
|
||||
HREF="node86.html">psb_owned_index -- </A>
|
||||
<LI><A NAME="tex2html1070"
|
||||
HREF="node87.html">psb_is_local -- </A>
|
||||
<LI><A NAME="tex2html1071"
|
||||
HREF="node88.html">psb_local_index -- </A>
|
||||
<LI><A NAME="tex2html1072"
|
||||
HREF="node89.html">psb_get_boundary -- Extract list of boundary
|
||||
elements</A>
|
||||
<LI><A NAME="tex2html1073"
|
||||
HREF="node90.html">psb_get_overlap -- Extract list of overlap
|
||||
elements</A>
|
||||
<LI><A NAME="tex2html1074"
|
||||
HREF="node91.html">psb_sp_getrow -- Extract row(s) from a sparse
|
||||
matrix</A>
|
||||
<LI><A NAME="tex2html1075"
|
||||
HREF="node92.html">psb_sizeof -- Memory occupation</A>
|
||||
<LI><A NAME="tex2html1076"
|
||||
HREF="node93.html">Sorting utilities -- </A>
|
||||
</UL>
|
||||
<!--End of Table of Child-Links-->
|
||||
<BR><HR>
|
||||
<P>
|
||||
<BR><P></P>
|
||||
<DIV ALIGN="CENTER">
|
||||
<!-- MATH
|
||||
\begin{displaymath}
|
||||
loc\_x_i \leftarrow scatter(glob\_x)
|
||||
\end{displaymath}
|
||||
-->
|
||||
|
||||
<IMG
|
||||
WIDTH="167" HEIGHT="28" BORDER="0"
|
||||
SRC="img79.png"
|
||||
ALT="\begin{displaymath}loc\_x_i \leftarrow scatter(glob\_x) \end{displaymath}">
|
||||
</DIV>
|
||||
<BR CLEAR="ALL">
|
||||
<P></P>
|
||||
where:
|
||||
<DL>
|
||||
<DT><STRONG><IMG
|
||||
WIDTH="46" HEIGHT="30" ALIGN="MIDDLE" BORDER="0"
|
||||
SRC="img70.png"
|
||||
ALT="$glob\_x$"></STRONG></DT>
|
||||
<DD>is the global matrix <!-- MATH
|
||||
$glob\_x_{1:m,1:n}$
|
||||
-->
|
||||
<IMG
|
||||
WIDTH="91" HEIGHT="30" ALIGN="MIDDLE" BORDER="0"
|
||||
SRC="img71.png"
|
||||
ALT="$glob\_x_{1:m,1:n}$">
|
||||
</DD>
|
||||
<DT><STRONG><IMG
|
||||
WIDTH="43" HEIGHT="30" ALIGN="MIDDLE" BORDER="0"
|
||||
SRC="img72.png"
|
||||
ALT="$loc\_x_i$"></STRONG></DT>
|
||||
<DD>is the local portion of global dense matrix on
|
||||
process <IMG
|
||||
WIDTH="9" HEIGHT="17" ALIGN="BOTTOM" BORDER="0"
|
||||
SRC="img4.png"
|
||||
ALT="$i$">.
|
||||
</DD>
|
||||
<DT><STRONG><IMG
|
||||
WIDTH="53" HEIGHT="13" ALIGN="BOTTOM" BORDER="0"
|
||||
SRC="img80.png"
|
||||
ALT="$scatter$"></STRONG></DT>
|
||||
<DD>is the scatter function.
|
||||
</DD>
|
||||
</DL>
|
||||
|
||||
<P>
|
||||
<BR><P></P>
|
||||
<DIV ALIGN="CENTER"><A NAME="3243"></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"><IMG
|
||||
WIDTH="33" HEIGHT="30" ALIGN="MIDDLE" BORDER="0"
|
||||
SRC="img74.png"
|
||||
ALT="$x_i, y$"></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="480" HEIGHT="35" ALIGN="BOTTOM" BORDER="0"
|
||||
SRC="img81.png"
|
||||
ALT="\begin{lstlisting}
|
||||
call psb_scatter(glob_x, loc_x, desc_a, info, root)
|
||||
call psb_scatter(glob_x, loc_x, desc_a, info, root)
|
||||
\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 <IMG
|
||||
WIDTH="74" HEIGHT="30" ALIGN="MIDDLE" BORDER="0"
|
||||
SRC="img76.png"
|
||||
ALT="$root=-1$"> 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
|
||||
$-1\le root\le np-1$
|
||||
-->
|
||||
<IMG
|
||||
WIDTH="141" HEIGHT="30" ALIGN="MIDDLE" BORDER="0"
|
||||
SRC="img77.png"
|
||||
ALT="$-1\le root\le np-1$">, default <IMG
|
||||
WIDTH="24" HEIGHT="30" ALIGN="MIDDLE" BORDER="0"
|
||||
SRC="img78.png"
|
||||
ALT="$-1$">.
|
||||
</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
|
||||
<IMG
|
||||
WIDTH="46" HEIGHT="30" ALIGN="MIDDLE" BORDER="0"
|
||||
SRC="img70.png"
|
||||
ALT="$glob\_x$">.
|
||||
<BR>
|
||||
Scope: <B>local</B>
|
||||
<BR>
|
||||
Type: <B>required</B>
|
||||
<BR>
|
||||
Intent: <B>out</B>.
|
||||
<BR>
|
||||
Specified as: a rank one or two array 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>
|
||||
<HR>
|
||||
<!--Navigation Panel-->
|
||||
<A NAME="tex2html1051"
|
||||
HREF="node67.html">
|
||||
<IMG WIDTH="37" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="next" SRC="next.png"></A>
|
||||
<A NAME="tex2html1047"
|
||||
HREF="node62.html">
|
||||
<IMG WIDTH="26" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="up" SRC="up.png"></A>
|
||||
<A NAME="tex2html1043"
|
||||
HREF="node65.html">
|
||||
<IMG WIDTH="63" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="previous" SRC="prev.png"></A>
|
||||
<A NAME="tex2html1049"
|
||||
HREF="node1.html">
|
||||
<IMG WIDTH="65" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="contents" SRC="contents.png"></A>
|
||||
<BR>
|
||||
<B> Next:</B> <A NAME="tex2html1052"
|
||||
HREF="node67.html">Data management routines</A>
|
||||
<B> Up:</B> <A NAME="tex2html1048"
|
||||
HREF="node62.html">Communication routines</A>
|
||||
<B> Previous:</B> <A NAME="tex2html1044"
|
||||
HREF="node65.html">psb_gather Gather</A>
|
||||
<B> <A NAME="tex2html1050"
|
||||
HREF="node1.html">Contents</A></B>
|
||||
<!--End of Navigation Panel-->
|
||||
|
||||
</BODY>
|
||||
</HTML>
|
||||
|
||||
Reference in New Issue
Block a user