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.
150 lines
4.4 KiB
HTML
150 lines
4.4 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_exit -- Exit from PSBLAS parallel environment</TITLE>
|
|
<META NAME="description" CONTENT="psb_exit -- Exit from PSBLAS parallel environment">
|
|
<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="next" HREF="node103.html">
|
|
<LINK REL="previous" HREF="node101.html">
|
|
<LINK REL="up" HREF="node99.html">
|
|
<LINK REL="next" HREF="node103.html">
|
|
</HEAD>
|
|
|
|
<BODY >
|
|
|
|
<DIV CLASS="navigation"><!--Navigation Panel-->
|
|
<A NAME="tex2html1539"
|
|
HREF="node103.html">
|
|
<IMG WIDTH="37" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="next" SRC="next.png"></A>
|
|
<A NAME="tex2html1535"
|
|
HREF="node99.html">
|
|
<IMG WIDTH="26" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="up" SRC="up.png"></A>
|
|
<A NAME="tex2html1529"
|
|
HREF="node101.html">
|
|
<IMG WIDTH="63" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="previous" SRC="prev.png"></A>
|
|
<A NAME="tex2html1537"
|
|
HREF="node1.html">
|
|
<IMG WIDTH="65" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="contents" SRC="contents.png"></A>
|
|
<BR>
|
|
<B> Next:</B> <A NAME="tex2html1540"
|
|
HREF="node103.html">psb_get_mpicomm Get</A>
|
|
<B> Up:</B> <A NAME="tex2html1536"
|
|
HREF="node99.html">Parallel environment routines</A>
|
|
<B> Previous:</B> <A NAME="tex2html1530"
|
|
HREF="node101.html">psb_info Return</A>
|
|
<B> <A NAME="tex2html1538"
|
|
HREF="node1.html">Contents</A></B>
|
|
<BR>
|
|
<BR></DIV>
|
|
<!--End of Navigation Panel-->
|
|
|
|
<H2><A NAME="SECTION00083000000000000000">
|
|
psb_exit -- Exit from PSBLAS parallel
|
|
environment</A>
|
|
</H2>
|
|
|
|
<P>
|
|
<PRE>
|
|
call psb_exit(icontxt)
|
|
call psb_exit(icontxt,close)
|
|
</PRE>
|
|
|
|
<P>
|
|
This subroutine exits from the PSBLAS parallel virtual machine.
|
|
<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>close</STRONG></DT>
|
|
<DD>Whether to close all data structures related to the
|
|
virtual parallel machine, besides those associated with icontxt.
|
|
<BR>
|
|
Scope: <B>global</B>.
|
|
<BR>
|
|
Type: <B>optional</B>.
|
|
<BR>
|
|
Intent: <B>in</B>.
|
|
<BR>
|
|
Specified as: a logical variable, default value: true.
|
|
</DD>
|
|
</DL>
|
|
|
|
<P>
|
|
<BIG CLASS="LARGE"><B>Notes</B></BIG>
|
|
|
|
<OL>
|
|
<LI>This routine may be called even if a previous call to
|
|
<code>psb_info</code> has returned with <SPAN CLASS="MATH"><IMG
|
|
WIDTH="73" HEIGHT="29" ALIGN="MIDDLE" BORDER="0"
|
|
SRC="img128.png"
|
|
ALT="$iam=-1$"></SPAN>; indeed, it it is the only
|
|
routine that may be called with argument <code>icontxt</code> in this
|
|
situation.
|
|
</LI>
|
|
<LI>A call to this routine with <code>close=.true.</code> implies a call
|
|
to <code>MPI_Finalize</code>, after which no parallel routine may be called.
|
|
</LI>
|
|
<LI>If the user whishes to use multiple communication contexts in the
|
|
same program, or to enter and exit multiple times into the parallel
|
|
environment, this routine may be called to
|
|
selectively close the contexts with <code>close=.false.</code>, while on
|
|
the last call it should be called with <code>close=.true.</code> to
|
|
shutdown in a clean way the entire parallel environment.
|
|
</LI>
|
|
</OL>
|
|
|
|
<P>
|
|
|
|
<DIV CLASS="navigation"><HR>
|
|
<!--Navigation Panel-->
|
|
<A NAME="tex2html1539"
|
|
HREF="node103.html">
|
|
<IMG WIDTH="37" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="next" SRC="next.png"></A>
|
|
<A NAME="tex2html1535"
|
|
HREF="node99.html">
|
|
<IMG WIDTH="26" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="up" SRC="up.png"></A>
|
|
<A NAME="tex2html1529"
|
|
HREF="node101.html">
|
|
<IMG WIDTH="63" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="previous" SRC="prev.png"></A>
|
|
<A NAME="tex2html1537"
|
|
HREF="node1.html">
|
|
<IMG WIDTH="65" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="contents" SRC="contents.png"></A>
|
|
<BR>
|
|
<B> Next:</B> <A NAME="tex2html1540"
|
|
HREF="node103.html">psb_get_mpicomm Get</A>
|
|
<B> Up:</B> <A NAME="tex2html1536"
|
|
HREF="node99.html">Parallel environment routines</A>
|
|
<B> Previous:</B> <A NAME="tex2html1530"
|
|
HREF="node101.html">psb_info Return</A>
|
|
<B> <A NAME="tex2html1538"
|
|
HREF="node1.html">Contents</A></B> </DIV>
|
|
<!--End of Navigation Panel-->
|
|
|
|
</BODY>
|
|
</HTML>
|