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<TITLE>Parallel environment routines</TITLE>
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<TITLE>psb_sizeof -- Memory occupation</TITLE>
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<H1><A NAME="SECTION00080000000000000000"></A>
<A NAME="sec:parenv"></A>
<BR>
Parallel environment routines
</H1>
<H2><A NAME="SECTION000726000000000000000">
psb_sizeof -- Memory occupation</A>
</H2>
<P>
<BR><HR>
<!--Table of Child-Links-->
<A NAME="CHILD_LINKS"><STRONG>Subsections</STRONG></A>
This function computes the memory occupation of a PSBLAS object.
<UL>
<LI><A NAME="tex2html1442"
HREF="node97.html">psb_init -- Initializes PSBLAS parallel
environment</A>
<LI><A NAME="tex2html1443"
HREF="node98.html">psb_info -- Return information about PSBLAS parallel
environment</A>
<LI><A NAME="tex2html1444"
HREF="node99.html">psb_exit -- Exit from PSBLAS parallel
environment</A>
<LI><A NAME="tex2html1445"
HREF="node100.html">psb_get_mpicomm -- Get the MPI communicator</A>
<LI><A NAME="tex2html1446"
HREF="node101.html">psb_get_rank -- Get the MPI rank</A>
<LI><A NAME="tex2html1447"
HREF="node102.html">psb_wtime -- Wall clock timing</A>
<LI><A NAME="tex2html1448"
HREF="node103.html">psb_barrier -- Sinchronization point parallel
environment</A>
<LI><A NAME="tex2html1449"
HREF="node104.html">psb_abort -- Abort a computation</A>
<LI><A NAME="tex2html1450"
HREF="node105.html">psb_bcast -- Broadcast data</A>
<LI><A NAME="tex2html1451"
HREF="node106.html">psb_sum -- Global sum</A>
<LI><A NAME="tex2html1452"
HREF="node107.html">psb_max -- Global maximum</A>
<LI><A NAME="tex2html1453"
HREF="node108.html">psb_min -- Global minimum</A>
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HREF="node109.html">psb_amx -- Global maximum absolute value</A>
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HREF="node110.html">psb_amn -- Global minimum absolute value</A>
<LI><A NAME="tex2html1456"
HREF="node111.html">psb_snd -- Send data</A>
<LI><A NAME="tex2html1457"
HREF="node112.html">psb_rcv -- Receive data</A>
</UL>
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<P>
<PRE>
isz = psb_sizeof(a)
isz = psb_sizeof(desc_a)
isz = psb_sizeof(prec)
</PRE>
<P>
<DL>
<DT><STRONG>Type:</STRONG></DT>
<DD>Asynchronous.
</DD>
<DT><STRONG><B>On Entry</B></STRONG></DT>
<DD>
</DD>
<DT><STRONG>a</STRONG></DT>
<DD>A sparse matrix
<IMG
WIDTH="16" HEIGHT="14" ALIGN="BOTTOM" BORDER="0"
SRC="img1.png"
ALT="$A$">.
<BR>
Scope: <B>local</B>
<BR>
Type: <B>required</B>
<BR>
Intent: <B>in</B>.
<BR>
Specified as: a structured data of type spdata<TT>psb_Tspmat_type</TT>.
</DD>
<DT><STRONG>desc_a</STRONG></DT>
<DD>Communication descriptor.
<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>prec</STRONG></DT>
<DD>Scope: <B>local</B>
<BR>
Type: <B>required</B>
<BR>
Intent: <B>in</B>.
<BR>
Specified as: a preconditioner data structure precdata<TT>psb_prec_type</TT>.
</DD>
<DT><STRONG><B>On Return</B></STRONG></DT>
<DD>
</DD>
<DT><STRONG>Function value</STRONG></DT>
<DD>The memory occupation of the object specified in
the calling sequence, in bytes.
<BR>
Scope: <B>local</B>
<BR>
Returned as: an <code>integer(psb_long_int_k_)</code> number.
</DD>
</DL>
<P>
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