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psblas3:
base/modules/Makefile base/modules/psb_gen_block_map_mod.f90 base/modules/psb_hash_map_mod.f90 docs/html/footnode.html docs/html/img1.png docs/html/img10.png 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/img11.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/img12.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/img13.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 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Worked on documentation. 2. Fixed performance problem with gen_block_map: changed to use a hash internally. 3. Changed ppde to implement a convection-diffusion problem with centered differences.
This commit is contained in:
Salvatore Filippone
+78
-76
@@ -7,8 +7,8 @@ original version by: Nikos Drakos, CBLU, University of Leeds
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Jens Lippmann, Marek Rouchal, Martin Wilck and others -->
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<HTML>
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<HEAD>
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<TITLE>psb_exit -- Exit from PSBLAS parallel environment</TITLE>
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<META NAME="description" CONTENT="psb_exit -- Exit from PSBLAS parallel environment">
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<TITLE>psb_owned_index </TITLE>
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<META NAME="description" CONTENT="psb_owned_index ">
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<META NAME="keywords" CONTENT="userhtml">
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<META NAME="resource-type" CONTENT="document">
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<META NAME="distribution" CONTENT="global">
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@@ -20,79 +20,118 @@ original version by: Nikos Drakos, CBLU, University of Leeds
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<LINK REL="next" HREF="node76.html">
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<LINK REL="previous" HREF="node74.html">
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<LINK REL="up" HREF="node72.html">
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<LINK REL="up" HREF="node55.html">
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<LINK REL="next" HREF="node76.html">
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</HEAD>
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<BODY >
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<!--Navigation Panel-->
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<A NAME="tex2html1131"
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<A NAME="tex2html1151"
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HREF="node76.html">
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<IMG WIDTH="37" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="next" SRC="next.png"></A>
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<A NAME="tex2html1127"
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HREF="node72.html">
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<A NAME="tex2html1147"
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HREF="node55.html">
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<IMG WIDTH="26" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="up" SRC="up.png"></A>
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<A NAME="tex2html1121"
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<A NAME="tex2html1141"
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HREF="node74.html">
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<IMG WIDTH="63" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="previous" SRC="prev.png"></A>
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<A NAME="tex2html1129"
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<A NAME="tex2html1149"
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HREF="node1.html">
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<IMG WIDTH="65" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="contents" SRC="contents.png"></A>
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<BR>
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<B> Next:</B> <A NAME="tex2html1132"
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HREF="node76.html">psb_get_mpicomm Get</A>
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<B> Up:</B> <A NAME="tex2html1128"
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HREF="node72.html">Parallel environment routines</A>
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<B> Previous:</B> <A NAME="tex2html1122"
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HREF="node74.html">psb_info Return</A>
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<B> <A NAME="tex2html1130"
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<B> Next:</B> <A NAME="tex2html1152"
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HREF="node76.html">psb_is_local</A>
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<B> Up:</B> <A NAME="tex2html1148"
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HREF="node55.html">Data management routines</A>
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<B> Previous:</B> <A NAME="tex2html1142"
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HREF="node74.html">psb_is_owned</A>
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<B> <A NAME="tex2html1150"
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HREF="node1.html">Contents</A></B>
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<BR>
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<BR>
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<!--End of Navigation Panel-->
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<H2><A NAME="SECTION00083000000000000000">
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psb_exit -- Exit from PSBLAS parallel environment</A>
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<H2><A NAME="SECTION000720000000000000000">
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psb_owned_index </A>
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</H2>
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<P>
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<PRE>
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call psb_exit(icontxt)
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call psb_exit(icontxt,close)
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call psb_owned_index(y, x, desc_a, info)
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</PRE>
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<P>
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This subroutine exits from the PSBLAS parallel virtual machine.
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<DL>
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<DT><STRONG>Type:</STRONG></DT>
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<DD>Synchronous.
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<DD>Asynchronous.
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</DD>
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<DT><STRONG><B>On Entry </B></STRONG></DT>
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<DT><STRONG><B>On Entry</B></STRONG></DT>
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<DD>
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</DD>
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<DT><STRONG>icontxt</STRONG></DT>
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<DD>the communication context identifying the virtual
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parallel machine.
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<DT><STRONG>x</STRONG></DT>
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<DD>Integer indices.
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<BR>
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Scope: <B>global</B>.
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Scope: <B>local</B>
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<BR>
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Type: <B>required</B>.
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Type: <B>required</B>
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<BR>
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Intent: <B>in, inout</B>.
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<BR>
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Specified as: a scalar or a rank one integer array.
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<BR></DD>
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<DT><STRONG>desc_a</STRONG></DT>
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<DD>the communication descriptor.
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<BR>
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Scope:<B>local</B>.
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<BR>
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Type:<B>required</B>.
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<BR>
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Intent: <B>in</B>.
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<BR>
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Specified as: an integer variable.
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Specified as: a structured data of type descdata<TT>psb_desc_type</TT>.
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</DD>
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<DT><STRONG>close</STRONG></DT>
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<DD>Whether to close all data structures related to the
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virtual parallel machine, besides those associated with icontxt.
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<DT><STRONG>iact</STRONG></DT>
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<DD>specifies action to be taken in case of range errors.
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Scope: <B>global</B>
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<BR>
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Scope: <B>global</B>.
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<BR>
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Type: <B>optional</B>.
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Type: <B>optional</B>
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<BR>
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Intent: <B>in</B>.
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<BR>
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Specified as: a logical variable, default value: true.
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Specified as: a character variable <code>I</code>gnore, <code>W</code>arning or
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<code>A</code>bort, default <code>I</code>gnore.
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</DD>
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</DL>
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<P>
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<DL>
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<DT><STRONG><B>On Return</B></STRONG></DT>
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<DD>
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</DD>
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<DT><STRONG>y</STRONG></DT>
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<DD>A logical mask which is true for all corresponding entries of
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<IMG
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WIDTH="14" HEIGHT="13" ALIGN="BOTTOM" BORDER="0"
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SRC="img25.png"
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ALT="$x$"> that are owned by the current process
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Scope: <B>local</B>
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<BR>
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Type: <B>required</B>
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<BR>
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Intent: <B>out</B>.
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<BR>
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Specified as: a scalar or rank one logical array.
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</DD>
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<DT><STRONG>info</STRONG></DT>
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<DD>Error code.
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<BR>
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Scope: <B>local</B>
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<BR>
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Type: <B>required</B>
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<BR>
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Intent: <B>out</B>.
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<BR>
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An integer value; 0 means no error has been detected.
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</DD>
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</DL>
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@@ -100,51 +139,14 @@ Specified as: a logical variable, default value: true.
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<FONT SIZE="+1"><B>Notes</B></FONT>
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<OL>
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<LI>This routine may be called even if a previous call to
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<code>psb_info</code> has returned with <IMG
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WIDTH="73" HEIGHT="29" ALIGN="MIDDLE" BORDER="0"
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SRC="img125.png"
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ALT="$iam=-1$">; indeed, it it is the only
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routine that may be called with argument <code>icontxt</code> in this
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situation.
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</LI>
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<LI>A call to this routine with <code>close=.true.</code> implies a call
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to <code>MPI_Finalize</code>, after which no parallel routine may be called.
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</LI>
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<LI>If the user whishes to use multiple communication contexts in the
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same program, or to enter and exit multiple times into the parallel
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environment, this routine may be called to
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selectively close the contexts with <code>close=.false.</code>, while on
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the last call it should be called with <code>close=.true.</code> to
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shutdown in a clean way the entire parallel environment.
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<LI>This routine returns a <code>.true.</code> value for those indices
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that are strictly owned by the current process, excluding the halo
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indices
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</LI>
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</OL>
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<P>
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<HR>
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<!--Navigation Panel-->
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<A NAME="tex2html1131"
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HREF="node76.html">
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<IMG WIDTH="37" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="next" SRC="next.png"></A>
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<A NAME="tex2html1127"
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HREF="node72.html">
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<IMG WIDTH="26" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="up" SRC="up.png"></A>
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<A NAME="tex2html1121"
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HREF="node74.html">
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<IMG WIDTH="63" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="previous" SRC="prev.png"></A>
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<A NAME="tex2html1129"
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HREF="node1.html">
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<IMG WIDTH="65" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="contents" SRC="contents.png"></A>
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<BR>
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<B> Next:</B> <A NAME="tex2html1132"
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HREF="node76.html">psb_get_mpicomm Get</A>
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<B> Up:</B> <A NAME="tex2html1128"
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HREF="node72.html">Parallel environment routines</A>
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<B> Previous:</B> <A NAME="tex2html1122"
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HREF="node74.html">psb_info Return</A>
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<B> <A NAME="tex2html1130"
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HREF="node1.html">Contents</A></B>
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<!--End of Navigation Panel-->
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<BR><HR>
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</BODY>
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</HTML>
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