fdurastante/psblas3
1
0
Fork 0
mirror of https://github.com/sfilippone/psblas3.git synced 2026-10-16 10:52:08 +00:00
Code Issues Packages Projects Releases Wiki Activity

Added entrywise inversion and documentation for vec-vec operation

Browse Source
This commit is contained in:
cirdans-home
2019-11-21 13:56:22 +01:00
parent db7b882e9c
commit b3c4971146
340 changed files with 24932 additions and 20314 deletions
Download Patch File Download Diff File Expand all files Collapse all files
docs/html/node109.html
+22 -110
View File
@@ -3,8 +3,8 @@
<!--Converted with LaTeX2HTML 2018 (Released Feb 1, 2018) -->
<HTML>
<HEAD>
<TITLE>psb_sum -- Global sum</TITLE>
<META NAME="description" CONTENT="psb_sum -- Global sum">
<TITLE>psb_barrier -- Sinchronization point parallel environment</TITLE>
<META NAME="description" CONTENT="psb_barrier -- Sinchronization point parallel environment">
<META NAME="keywords" CONTENT="userhtml">
<META NAME="resource-type" CONTENT="document">
<META NAME="distribution" CONTENT="global">
@@ -16,50 +16,51 @@
<LINK REL="next" HREF="node110.html">
<LINK REL="previous" HREF="node108.html">
<LINK REL="up" HREF="node99.html">
<LINK REL="up" HREF="node102.html">
<LINK REL="next" HREF="node110.html">
</HEAD>
<BODY >
<DIV CLASS="navigation"><!--Navigation Panel-->
<A NAME="tex2html1625"
<A NAME="tex2html1634"
HREF="node110.html">
<IMG WIDTH="37" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="next" SRC="next.png"></A>
<A NAME="tex2html1621"
HREF="node99.html">
<A NAME="tex2html1630"
HREF="node102.html">
<IMG WIDTH="26" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="up" SRC="up.png"></A>
<A NAME="tex2html1615"
<A NAME="tex2html1624"
HREF="node108.html">
<IMG WIDTH="63" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="previous" SRC="prev.png"></A>
<A NAME="tex2html1623"
<A NAME="tex2html1632"
HREF="node1.html">
<IMG WIDTH="65" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="contents" SRC="contents.png"></A>
<BR>
<B> Next:</B> <A NAME="tex2html1626"
HREF="node110.html">psb_max Global</A>
<B> Up:</B> <A NAME="tex2html1622"
HREF="node99.html">Parallel environment routines</A>
<B> Previous:</B> <A NAME="tex2html1616"
HREF="node108.html">psb_bcast Broadcast</A>
&nbsp; <B> <A NAME="tex2html1624"
<B> Next:</B> <A NAME="tex2html1635"
HREF="node110.html">psb_abort Abort</A>
<B> Up:</B> <A NAME="tex2html1631"
HREF="node102.html">Parallel environment routines</A>
<B> Previous:</B> <A NAME="tex2html1625"
HREF="node108.html">psb_wtime Wall</A>
&nbsp; <B> <A NAME="tex2html1633"
HREF="node1.html">Contents</A></B>
<BR>
<BR></DIV>
<!--End of Navigation Panel-->
<H2><A NAME="SECTION000810000000000000000">
psb_sum -- Global sum</A>
<H2><A NAME="SECTION00087000000000000000">
psb_barrier -- Sinchronization point parallel
environment</A>
</H2>
<P>
<PRE>
call psb_sum(icontxt, dat, root)
call psb_barrier(icontxt)
</PRE>
<P>
This subroutine implements a sum reduction operation based on the
underlying communication library.
This subroutine acts as an explicit synchronization point for the PSBLAS
parallel virtual machine.
<DL>
<DT><STRONG>Type:</STRONG></DT>
<DD>Synchronous.
@@ -79,99 +80,10 @@ Intent: <B>in</B>.
<BR>
Specified as: an integer variable.
</DD>
<DT><STRONG>dat</STRONG></DT>
<DD>The local contribution to the global sum.
<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. Type, kind, rank and size must agree on all processes.
</DD>
<DT><STRONG>root</STRONG></DT>
<DD>Process to hold the final sum, or <SPAN CLASS="MATH"><IMG
WIDTH="24" HEIGHT="30" ALIGN="MIDDLE" BORDER="0"
SRC="img82.png"
ALT="$-1$"></SPAN> to make it available
on all processes.
<BR>
Scope: <B>global</B>.
<BR>
Type: <B>optional</B>.
<BR>
Intent: <B>in</B>.
<BR>
Specified as: an integer value <!-- MATH
$-1<= root <= np-1$
-->
<SPAN CLASS="MATH"><IMG
WIDTH="165" HEIGHT="30" ALIGN="MIDDLE" BORDER="0"
SRC="img141.png"
ALT="$-1&lt;= root &lt;= np-1$"></SPAN>, default -1. </DD>
</DL>
<P>
<DL>
<DT><STRONG><B>On Return</B></STRONG></DT>
<DD>
</DD>
<DT><STRONG>dat</STRONG></DT>
<DD>On destination process(es), the result of the sum operation.
<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.
<BR>
Type, kind, rank and size must agree on all processes.
</DD>
</DL>
<P>
<BIG CLASS="LARGE"><B>Notes</B></BIG>
<OL>
<LI>The <code>dat</code> argument is both input and output, and its
value may be changed even on processes different from the final
result destination.
</LI>
<LI>The <code>dat</code> argument may also be a long integer scalar.
</LI>
</OL>
<P>
<DIV CLASS="navigation"><HR>
<!--Navigation Panel-->
<A NAME="tex2html1625"
HREF="node110.html">
<IMG WIDTH="37" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="next" SRC="next.png"></A>
<A NAME="tex2html1621"
HREF="node99.html">
<IMG WIDTH="26" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="up" SRC="up.png"></A>
<A NAME="tex2html1615"
HREF="node108.html">
<IMG WIDTH="63" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="previous" SRC="prev.png"></A>
<A NAME="tex2html1623"
HREF="node1.html">
<IMG WIDTH="65" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="contents" SRC="contents.png"></A>
<BR>
<B> Next:</B> <A NAME="tex2html1626"
HREF="node110.html">psb_max Global</A>
<B> Up:</B> <A NAME="tex2html1622"
HREF="node99.html">Parallel environment routines</A>
<B> Previous:</B> <A NAME="tex2html1616"
HREF="node108.html">psb_bcast Broadcast</A>
&nbsp; <B> <A NAME="tex2html1624"
HREF="node1.html">Contents</A></B> </DIV>
<!--End of Navigation Panel-->
<BR><HR>
</BODY>
</HTML>