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psblas3:
base/internals/psi_idx_ins_cnv.f90 base/modules/psb_base_tools_mod.f90 base/modules/psb_gen_block_map_mod.f90 base/modules/psb_hash_map_mod.f90 base/modules/psb_indx_map_mod.f90 base/modules/psb_list_map_mod.f90 base/modules/psb_repl_map_mod.f90 base/modules/psi_i_mod.f90 base/tools/psb_cdins.f90 docs/html/footnode.html 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/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-3.0.pdf docs/src/intro.tex New docs for LIDX. New LIDX parm in idx_cnv_ins.
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Salvatore Filippone
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@@ -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>Data management routines</TITLE>
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<META NAME="description" CONTENT="Data management routines">
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<TITLE>psb_scatter -- Scatter Global Dense Matrix</TITLE>
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<META NAME="description" CONTENT="psb_scatter -- Scatter Global Dense Matrix">
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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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@@ -18,114 +18,248 @@ original version by: Nikos Drakos, CBLU, University of Leeds
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<A NAME="tex2html884"
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<A NAME="tex2html874"
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<A NAME="tex2html877"
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HREF="node54.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="tex2html882"
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<A NAME="tex2html883"
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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="tex2html885"
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HREF="node56.html">psb_cdall Allocates</A>
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<B> Up:</B> <A NAME="tex2html881"
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HREF="userhtml.html">userhtml</A>
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<B> Previous:</B> <A NAME="tex2html875"
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HREF="node54.html">psb_scatter Scatter</A>
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<B> <A NAME="tex2html883"
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<B> Next:</B> <A NAME="tex2html886"
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HREF="node56.html">Data management routines</A>
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<B> Up:</B> <A NAME="tex2html882"
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HREF="node51.html">Communication routines</A>
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<B> Previous:</B> <A NAME="tex2html878"
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HREF="node54.html">psb_gather Gather</A>
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<B> <A NAME="tex2html884"
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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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<H1><A NAME="SECTION00070000000000000000"></A>
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<A NAME="sec:toolsrout"></A>
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<BR>
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Data management routines
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</H1>
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<H2><A NAME="SECTION00064000000000000000">
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psb_scatter -- Scatter Global Dense Matrix</A>
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</H2>
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<P>
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<BR><HR>
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<!--Table of Child-Links-->
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<A NAME="CHILD_LINKS"><STRONG>Subsections</STRONG></A>
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These subroutines scatters the portions of global dense matrix owned
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by a process to all the processes in the processes grid.
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<UL>
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<LI><A NAME="tex2html886"
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HREF="node56.html">psb_cdall -- Allocates a communication descriptor</A>
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<LI><A NAME="tex2html887"
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HREF="node57.html">psb_cdins -- Communication descriptor insert routine</A>
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<LI><A NAME="tex2html888"
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HREF="node58.html">psb_cdasb -- Communication descriptor assembly routine</A>
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<LI><A NAME="tex2html889"
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HREF="node59.html">psb_cdcpy -- Copies a communication descriptor</A>
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<LI><A NAME="tex2html890"
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HREF="node60.html">psb_cdfree -- Frees a communication descriptor</A>
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<LI><A NAME="tex2html891"
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HREF="node61.html">psb_cdbldext -- Build an extended communication
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descriptor</A>
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<LI><A NAME="tex2html892"
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HREF="node62.html">psb_spall -- Allocates a sparse matrix</A>
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<LI><A NAME="tex2html893"
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HREF="node63.html">psb_spins -- Insert a cloud of elements into a sparse
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matrix</A>
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<LI><A NAME="tex2html894"
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HREF="node64.html">psb_spasb -- Sparse matrix assembly routine</A>
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<LI><A NAME="tex2html895"
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HREF="node65.html">psb_spfree -- Frees a sparse matrix</A>
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<LI><A NAME="tex2html896"
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HREF="node66.html">psb_sprn -- Reinit sparse matrix structure for psblas
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routines.</A>
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<LI><A NAME="tex2html897"
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HREF="node67.html">psb_geall -- Allocates a dense matrix</A>
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<LI><A NAME="tex2html898"
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HREF="node68.html">psb_geins -- Dense matrix insertion routine</A>
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<LI><A NAME="tex2html899"
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HREF="node69.html">psb_geasb -- Assembly a dense matrix</A>
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<LI><A NAME="tex2html900"
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HREF="node70.html">psb_gefree -- Frees a dense matrix</A>
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<LI><A NAME="tex2html901"
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HREF="node71.html">psb_gelp -- Applies a left permutation to a dense
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matrix</A>
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<LI><A NAME="tex2html902"
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HREF="node72.html">psb_glob_to_loc -- Global to local indices
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convertion</A>
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<LI><A NAME="tex2html903"
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HREF="node73.html">psb_loc_to_glob -- Local to global indices
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conversion</A>
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<LI><A NAME="tex2html904"
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HREF="node74.html">psb_is_owned </A>
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<LI><A NAME="tex2html905"
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HREF="node75.html">psb_owned_index </A>
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<LI><A NAME="tex2html906"
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HREF="node76.html">psb_is_local </A>
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<LI><A NAME="tex2html907"
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HREF="node77.html">psb_local_index </A>
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<LI><A NAME="tex2html908"
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HREF="node78.html">psb_get_boundary -- Extract list of boundary elements</A>
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<LI><A NAME="tex2html909"
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HREF="node79.html">psb_get_overlap -- Extract list of overlap elements</A>
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<LI><A NAME="tex2html910"
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HREF="node80.html">psb_sp_getrow -- Extract row(s) from a sparse matrix</A>
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<LI><A NAME="tex2html911"
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HREF="node81.html">psb_sizeof -- Memory occupation</A>
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<LI><A NAME="tex2html912"
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HREF="node82.html">Sorting utilities</A>
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</UL>
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<!--End of Table of Child-Links-->
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<BR><HR>
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<P>
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<BR><P></P>
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<DIV ALIGN="CENTER">
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<!-- MATH
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\begin{displaymath}
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loc\_x_i \leftarrow scatter(glob\_x)
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\end{displaymath}
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-->
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<IMG
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WIDTH="167" HEIGHT="28" BORDER="0"
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SRC="img77.png"
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ALT="\begin{displaymath}loc\_x_i \leftarrow scatter(glob\_x) \end{displaymath}">
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</DIV>
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<BR CLEAR="ALL">
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<P></P>
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where:
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<DL>
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<DT><STRONG><IMG
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WIDTH="47" HEIGHT="30" ALIGN="MIDDLE" BORDER="0"
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SRC="img69.png"
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ALT="$glob\_x$"></STRONG></DT>
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<DD>is the global matrix <!-- MATH
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$glob\_x_{1:m,1:n}$
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-->
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<IMG
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WIDTH="90" HEIGHT="30" ALIGN="MIDDLE" BORDER="0"
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SRC="img70.png"
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ALT="$glob\_x_{1:m,1:n}$">
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</DD>
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<DT><STRONG><IMG
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WIDTH="44" HEIGHT="30" ALIGN="MIDDLE" BORDER="0"
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SRC="img71.png"
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ALT="$loc\_x_i$"></STRONG></DT>
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<DD>is the local portion of global dense matrix on
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process <IMG
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WIDTH="9" HEIGHT="17" ALIGN="BOTTOM" BORDER="0"
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SRC="img4.png"
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ALT="$i$">.
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</DD>
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<DT><STRONG><IMG
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WIDTH="53" HEIGHT="13" ALIGN="BOTTOM" BORDER="0"
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SRC="img78.png"
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ALT="$scatter$"></STRONG></DT>
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<DD>is the scatter function.
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</DD>
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</DL>
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<P>
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<BR><P></P>
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<DIV ALIGN="CENTER"><A NAME="2956"></A>
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<TABLE>
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<CAPTION><STRONG>Table 17:</STRONG>
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Data types</CAPTION>
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<TR><TD>
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<DIV ALIGN="CENTER">
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<TABLE CELLPADDING=3 BORDER="1" ALIGN="CENTER">
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<TR><TD ALIGN="LEFT"><IMG
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WIDTH="34" HEIGHT="30" ALIGN="MIDDLE" BORDER="0"
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SRC="img73.png"
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ALT="$x_i, y$"></TD>
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<TD ALIGN="LEFT"><B>Subroutine</B></TD>
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</TR>
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<TR><TD ALIGN="LEFT">Integer</TD>
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<TD ALIGN="LEFT">psb_scatter</TD>
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</TR>
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<TR><TD ALIGN="LEFT">Short Precision Real</TD>
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<TD ALIGN="LEFT">psb_scatter</TD>
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</TR>
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<TR><TD ALIGN="LEFT">Long Precision Real</TD>
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<TD ALIGN="LEFT">psb_scatter</TD>
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</TR>
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<TR><TD ALIGN="LEFT">Short Precision Complex</TD>
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<TD ALIGN="LEFT">psb_scatter</TD>
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</TR>
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<TR><TD ALIGN="LEFT">Long Precision Complex</TD>
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<TD ALIGN="LEFT">psb_scatter</TD>
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</TR>
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</TABLE>
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</DIV>
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</TD></TR>
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</TABLE>
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</DIV><P></P>
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<BR>
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<P>
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<PRE>
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call psb_scatter(glob_x, loc_x, desc_a, info, root)
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call psb_scatter(glob_x, loc_x, desc_a, info, root)
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</PRE>
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<P>
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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>
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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>glob_x</STRONG></DT>
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<DD>The array that must be scattered into local pieces.
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<BR>
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Scope: <B>global</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: a rank one or two array.
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</DD>
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<DT><STRONG>desc_a</STRONG></DT>
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<DD>contains data structures for communications.
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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: a structured data of type descdata<TT>psb_desc_type</TT>.
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</DD>
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<DT><STRONG>root</STRONG></DT>
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<DD>The process that holds the global copy. If <IMG
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WIDTH="74" HEIGHT="30" ALIGN="MIDDLE" BORDER="0"
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SRC="img74.png"
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ALT="$root=-1$"> all
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the processes have a copy of the global vector.
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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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<BR>
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Intent: <B>in</B>.
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<BR>
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Specified as: an integer variable <!-- MATH
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$-1\le root\le np-1$
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-->
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<IMG
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WIDTH="141" HEIGHT="30" ALIGN="MIDDLE" BORDER="0"
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SRC="img75.png"
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ALT="$-1\le root\le np-1$">, default <IMG
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WIDTH="24" HEIGHT="30" ALIGN="MIDDLE" BORDER="0"
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SRC="img76.png"
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ALT="$-1$">.
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</DD>
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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>loc_x</STRONG></DT>
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<DD>the local portion of global dense matrix
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<IMG
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WIDTH="47" HEIGHT="30" ALIGN="MIDDLE" BORDER="0"
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SRC="img69.png"
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ALT="$glob\_x$">.
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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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Specified as: a rank one or two array containing numbers of the type
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indicated in Table <A HREF="#tab:scatter">17</A>.
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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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<P>
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<HR>
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<!--Navigation Panel-->
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<A NAME="tex2html885"
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HREF="node56.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="tex2html881"
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HREF="node51.html">
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<IMG WIDTH="26" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="up" SRC="up.png"></A>
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HREF="node54.html">
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<IMG WIDTH="63" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="previous" SRC="prev.png"></A>
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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="tex2html886"
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HREF="node56.html">Data management routines</A>
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<B> Up:</B> <A NAME="tex2html882"
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HREF="node51.html">Communication routines</A>
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<B> Previous:</B> <A NAME="tex2html878"
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HREF="node54.html">psb_gather Gather</A>
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<B> <A NAME="tex2html884"
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HREF="node1.html">Contents</A></B>
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</BODY>
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</HTML>
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Reference in New Issue
Block a user