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<h1>messmpi.h</h1><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">//</span>
<a name="l00002"></a>00002 <span class="comment">// messmpi.h</span>
<a name="l00003"></a>00003 <span class="comment">//</span>
<a name="l00004"></a>00004 <span class="comment">// Copyright (C) 1996 Limit Point Systems, Inc.</span>
<a name="l00005"></a>00005 <span class="comment">//</span>
<a name="l00006"></a>00006 <span class="comment">// Author: Curtis Janssen &lt;cljanss@limitpt.com&gt;</span>
<a name="l00007"></a>00007 <span class="comment">// Maintainer: LPS</span>
<a name="l00008"></a>00008 <span class="comment">//</span>
<a name="l00009"></a>00009 <span class="comment">// This file is part of the SC Toolkit.</span>
<a name="l00010"></a>00010 <span class="comment">//</span>
<a name="l00011"></a>00011 <span class="comment">// The SC Toolkit is free software; you can redistribute it and/or modify</span>
<a name="l00012"></a>00012 <span class="comment">// it under the terms of the GNU Library General Public License as published by</span>
<a name="l00013"></a>00013 <span class="comment">// the Free Software Foundation; either version 2, or (at your option)</span>
<a name="l00014"></a>00014 <span class="comment">// any later version.</span>
<a name="l00015"></a>00015 <span class="comment">//</span>
<a name="l00016"></a>00016 <span class="comment">// The SC Toolkit is distributed in the hope that it will be useful,</span>
<a name="l00017"></a>00017 <span class="comment">// but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
<a name="l00018"></a>00018 <span class="comment">// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the</span>
<a name="l00019"></a>00019 <span class="comment">// GNU Library General Public License for more details.</span>
<a name="l00020"></a>00020 <span class="comment">//</span>
<a name="l00021"></a>00021 <span class="comment">// You should have received a copy of the GNU Library General Public License</span>
<a name="l00022"></a>00022 <span class="comment">// along with the SC Toolkit; see the file COPYING.LIB.  If not, write to</span>
<a name="l00023"></a>00023 <span class="comment">// the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.</span>
<a name="l00024"></a>00024 <span class="comment">//</span>
<a name="l00025"></a>00025 <span class="comment">// The U.S. Government is granted a limited license as per AL 91-7.</span>
<a name="l00026"></a>00026 <span class="comment">//</span>
<a name="l00027"></a>00027 
<a name="l00028"></a>00028 <span class="preprocessor">#ifndef _util_group_messmpi_h</span>
<a name="l00029"></a>00029 <span class="preprocessor"></span><span class="preprocessor">#define _util_group_messmpi_h</span>
<a name="l00030"></a>00030 <span class="preprocessor"></span>
<a name="l00031"></a>00031 <span class="preprocessor">#include &lt;util/group/message.h&gt;</span>
<a name="l00032"></a>00032 <span class="preprocessor">#include &lt;util/group/thread.h&gt;</span>
<a name="l00033"></a>00033 
<a name="l00034"></a>00034 <span class="preprocessor">#define MPICH_SKIP_MPICXX</span>
<a name="l00035"></a>00035 <span class="preprocessor"></span><span class="preprocessor">#include &lt;mpi.h&gt;</span>
<a name="l00036"></a>00036 
<a name="l00037"></a>00037 <span class="keyword">namespace </span>sc {
<a name="l00038"></a>00038 
<a name="l00041"></a><a class="code" href="classsc_1_1MPIMessageGrp.html">00041</a> <span class="keyword">class </span><a class="code" href="classsc_1_1MPIMessageGrp.html" title="The MPIMessageGrp class is an concrete implementation of MessageGrp that uses the...">MPIMessageGrp</a>: <span class="keyword">public</span> <a class="code" href="classsc_1_1MessageGrp.html" title="The MessageGrp abstract class provides a mechanism for moving data and objects between...">MessageGrp</a> {
<a name="l00042"></a>00042   <span class="keyword">protected</span>:
<a name="l00043"></a>00043     <span class="keywordtype">void</span>* buf;
<a name="l00044"></a>00044     <span class="keywordtype">int</span> bufsize;
<a name="l00045"></a>00045 
<a name="l00046"></a>00046     <span class="keywordtype">int</span> rnode;
<a name="l00047"></a>00047     <span class="keywordtype">int</span> rtag;
<a name="l00048"></a>00048     <span class="keywordtype">int</span> rlen;
<a name="l00049"></a>00049 
<a name="l00051"></a><a class="code" href="classsc_1_1MPIMessageGrp.html#2d3825ba324ab6110090cab3d3802f3d">00051</a>     <span class="keywordtype">bool</span> <a class="code" href="classsc_1_1MPIMessageGrp.html#2d3825ba324ab6110090cab3d3802f3d" title="If true use the generic collective routines in the base class.">use_messagegrp_collectives_</a>;
<a name="l00052"></a>00052 
<a name="l00054"></a><a class="code" href="classsc_1_1MPIMessageGrp.html#2462c0588190da9f61d4a95dbe14ba97">00054</a>     <span class="keyword">static</span> <span class="keywordtype">int</span> <a class="code" href="classsc_1_1MPIMessageGrp.html#2462c0588190da9f61d4a95dbe14ba97" title="Number of MPIMessageGrp&amp;#39;s currently in use.">nmpi_grps</a>;
<a name="l00056"></a><a class="code" href="classsc_1_1MPIMessageGrp.html#80681c33034623cde72ba2aed83080ba">00056</a>     <span class="keyword">static</span> <a class="code" href="classsc_1_1Ref.html">Ref&lt;ThreadLock&gt;</a> <a class="code" href="classsc_1_1MPIMessageGrp.html#80681c33034623cde72ba2aed83080ba" title="lock to access nmpi_grps variable">grplock</a>;
<a name="l00057"></a>00057 
<a name="l00058"></a>00058     <a class="code" href="classsc_1_1Ref.html">Ref&lt;ThreadGrp&gt;</a> threadgrp;
<a name="l00060"></a><a class="code" href="classsc_1_1MPIMessageGrp.html#20c302e871d3714fe7c489e2413ec241">00060</a>     MPI_Comm <a class="code" href="classsc_1_1MPIMessageGrp.html#20c302e871d3714fe7c489e2413ec241" title="Currently each commgrp is a dup of MPI_COMM_WORLD.">commgrp</a>;
<a name="l00061"></a>00061     
<a name="l00063"></a>00063     <span class="keywordtype">void</span> <a class="code" href="classsc_1_1MPIMessageGrp.html#3c8b108353633cf9c8305c82c25edea3" title="Not thread-safe due to race condition on nmpi_grps variable.">init</a>(MPI_Comm comm, <span class="keywordtype">int</span> *argc=0, <span class="keywordtype">char</span> ***argv=0);
<a name="l00064"></a>00064   <span class="keyword">public</span>:
<a name="l00065"></a>00065     <a class="code" href="classsc_1_1MPIMessageGrp.html" title="The MPIMessageGrp class is an concrete implementation of MessageGrp that uses the...">MPIMessageGrp</a>();
<a name="l00068"></a>00068     <a class="code" href="classsc_1_1MPIMessageGrp.html" title="The MPIMessageGrp class is an concrete implementation of MessageGrp that uses the...">MPIMessageGrp</a>(MPI_Comm comm);
<a name="l00072"></a>00072     <a class="code" href="classsc_1_1MPIMessageGrp.html" title="The MPIMessageGrp class is an concrete implementation of MessageGrp that uses the...">MPIMessageGrp</a>(<span class="keywordtype">int</span> *argc, <span class="keywordtype">char</span> ***argv);
<a name="l00074"></a>00074     <a class="code" href="classsc_1_1MPIMessageGrp.html" title="The MPIMessageGrp class is an concrete implementation of MessageGrp that uses the...">MPIMessageGrp</a>(<span class="keyword">const</span> <a class="code" href="classsc_1_1Ref.html">Ref&lt;KeyVal&gt;</a>&amp;);
<a name="l00075"></a>00075     ~<a class="code" href="classsc_1_1MPIMessageGrp.html" title="The MPIMessageGrp class is an concrete implementation of MessageGrp that uses the...">MPIMessageGrp</a>();
<a name="l00076"></a>00076 
<a name="l00078"></a>00078     <a class="code" href="classsc_1_1Ref.html">Ref&lt;MessageGrp&gt;</a> <a class="code" href="classsc_1_1MPIMessageGrp.html#06461667d44e3bc61a3e9dbdfe776a12" title="Clones (dups) an MPIMessageGrp from MPI_COMM_WORLD.">clone</a>(<span class="keywordtype">void</span>);
<a name="l00079"></a>00079     
<a name="l00080"></a>00080     <span class="keywordtype">void</span> raw_send(<span class="keywordtype">int</span> target, <span class="keyword">const</span> <span class="keywordtype">void</span>* data, <span class="keywordtype">int</span> nbyte);
<a name="l00081"></a>00081     <span class="keywordtype">void</span> raw_recv(<span class="keywordtype">int</span> sender, <span class="keywordtype">void</span>* data, <span class="keywordtype">int</span> nbyte);
<a name="l00082"></a>00082     <span class="keywordtype">void</span> raw_sendt(<span class="keywordtype">int</span> target, <span class="keywordtype">int</span> type, <span class="keyword">const</span> <span class="keywordtype">void</span>* data, <span class="keywordtype">int</span> nbyte);
<a name="l00083"></a>00083     <span class="keywordtype">void</span> raw_recvt(<span class="keywordtype">int</span> type, <span class="keywordtype">void</span>* data, <span class="keywordtype">int</span> nbyte);
<a name="l00084"></a>00084 
<a name="l00085"></a>00085     <span class="keywordtype">int</span> <a class="code" href="classsc_1_1MPIMessageGrp.html#47eac4cc9b02264c0753c3ae248fbce6" title="Ask if a given typed message has been received.">probet</a>(<span class="keywordtype">int</span> type);
<a name="l00086"></a>00086 
<a name="l00087"></a>00087     <span class="keywordtype">void</span> <a class="code" href="classsc_1_1MPIMessageGrp.html#aad6b23c2d802364e502e7a2280662ca" title="Synchronize all of the processors.">sync</a>();
<a name="l00088"></a>00088 
<a name="l00089"></a>00089     <span class="keywordtype">void</span> <a class="code" href="classsc_1_1MPIMessageGrp.html#6cf0097bd949dbc90134cf047f88d0fb" title="Global sum reduction.">sum</a>(<span class="keywordtype">double</span>*, <span class="keywordtype">int</span> <a class="code" href="classsc_1_1MessageGrp.html#9f088f8934d788db2e9f1e724cd66b13" title="Returns the number of processors.">n</a>, <span class="keywordtype">double</span>*scratch = 0, <span class="keywordtype">int</span> target = -1);
<a name="l00090"></a>00090     <span class="keywordtype">void</span> <a class="code" href="classsc_1_1MPIMessageGrp.html#6cf0097bd949dbc90134cf047f88d0fb" title="Global sum reduction.">sum</a>(<span class="keywordtype">int</span>*, <span class="keywordtype">int</span> <a class="code" href="classsc_1_1MessageGrp.html#9f088f8934d788db2e9f1e724cd66b13" title="Returns the number of processors.">n</a>, <span class="keywordtype">int</span>*scratch = 0, <span class="keywordtype">int</span> target = -1);
<a name="l00091"></a>00091 
<a name="l00092"></a>00092     <span class="keywordtype">void</span> <a class="code" href="classsc_1_1MPIMessageGrp.html#d96da75141ba67485d2ea74e8e73de77" title="Global generic reduction.">reduce</a>(<span class="keywordtype">double</span>*, <span class="keywordtype">int</span> <a class="code" href="classsc_1_1MessageGrp.html#9f088f8934d788db2e9f1e724cd66b13" title="Returns the number of processors.">n</a>, GrpReduce&lt;double&gt;&amp;,
<a name="l00093"></a>00093                 <span class="keywordtype">double</span>*scratch = 0, <span class="keywordtype">int</span> target = -1);
<a name="l00094"></a>00094     <span class="keywordtype">void</span> <a class="code" href="classsc_1_1MPIMessageGrp.html#d96da75141ba67485d2ea74e8e73de77" title="Global generic reduction.">reduce</a>(<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span>*, <span class="keywordtype">int</span> <a class="code" href="classsc_1_1MessageGrp.html#9f088f8934d788db2e9f1e724cd66b13" title="Returns the number of processors.">n</a>, GrpReduce&lt;unsigned int&gt;&amp;,
<a name="l00095"></a>00095                 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span>*scratch = 0, <span class="keywordtype">int</span> target = -1);
<a name="l00096"></a>00096     <span class="keywordtype">void</span> <a class="code" href="classsc_1_1MPIMessageGrp.html#d96da75141ba67485d2ea74e8e73de77" title="Global generic reduction.">reduce</a>(<span class="keywordtype">int</span>*, <span class="keywordtype">int</span> <a class="code" href="classsc_1_1MessageGrp.html#9f088f8934d788db2e9f1e724cd66b13" title="Returns the number of processors.">n</a>, GrpReduce&lt;int&gt;&amp;,
<a name="l00097"></a>00097                 <span class="keywordtype">int</span>*scratch = 0, <span class="keywordtype">int</span> target = -1);
<a name="l00098"></a>00098     <span class="keywordtype">void</span> <a class="code" href="classsc_1_1MPIMessageGrp.html#d96da75141ba67485d2ea74e8e73de77" title="Global generic reduction.">reduce</a>(<span class="keywordtype">char</span>*, <span class="keywordtype">int</span> <a class="code" href="classsc_1_1MessageGrp.html#9f088f8934d788db2e9f1e724cd66b13" title="Returns the number of processors.">n</a>, GrpReduce&lt;char&gt;&amp;,
<a name="l00099"></a>00099                 <span class="keywordtype">char</span>*scratch = 0, <span class="keywordtype">int</span> target = -1);
<a name="l00100"></a>00100     <span class="keywordtype">void</span> <a class="code" href="classsc_1_1MPIMessageGrp.html#d96da75141ba67485d2ea74e8e73de77" title="Global generic reduction.">reduce</a>(<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span>*, <span class="keywordtype">int</span> <a class="code" href="classsc_1_1MessageGrp.html#9f088f8934d788db2e9f1e724cd66b13" title="Returns the number of processors.">n</a>, GrpReduce&lt;unsigned char&gt;&amp;,
<a name="l00101"></a>00101                 <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span>*scratch = 0, <span class="keywordtype">int</span> target = -1);
<a name="l00102"></a>00102     <span class="keywordtype">void</span> <a class="code" href="classsc_1_1MPIMessageGrp.html#d96da75141ba67485d2ea74e8e73de77" title="Global generic reduction.">reduce</a>(<span class="keywordtype">signed</span> <span class="keywordtype">char</span>*, <span class="keywordtype">int</span> <a class="code" href="classsc_1_1MessageGrp.html#9f088f8934d788db2e9f1e724cd66b13" title="Returns the number of processors.">n</a>, GrpReduce&lt;signed char&gt;&amp;,
<a name="l00103"></a>00103                 <span class="keywordtype">signed</span> <span class="keywordtype">char</span>*scratch = 0, <span class="keywordtype">int</span> target = -1);
<a name="l00104"></a>00104     <span class="keywordtype">void</span> <a class="code" href="classsc_1_1MPIMessageGrp.html#d96da75141ba67485d2ea74e8e73de77" title="Global generic reduction.">reduce</a>(<span class="keywordtype">short</span>*, <span class="keywordtype">int</span> <a class="code" href="classsc_1_1MessageGrp.html#9f088f8934d788db2e9f1e724cd66b13" title="Returns the number of processors.">n</a>, GrpReduce&lt;short&gt;&amp;,
<a name="l00105"></a>00105                 <span class="keywordtype">short</span>*scratch = 0, <span class="keywordtype">int</span> target = -1);
<a name="l00106"></a>00106     <span class="keywordtype">void</span> <a class="code" href="classsc_1_1MPIMessageGrp.html#d96da75141ba67485d2ea74e8e73de77" title="Global generic reduction.">reduce</a>(<span class="keywordtype">float</span>*, <span class="keywordtype">int</span> <a class="code" href="classsc_1_1MessageGrp.html#9f088f8934d788db2e9f1e724cd66b13" title="Returns the number of processors.">n</a>, GrpReduce&lt;float&gt;&amp;,
<a name="l00107"></a>00107                 <span class="keywordtype">float</span>*scratch = 0, <span class="keywordtype">int</span> target = -1);
<a name="l00108"></a>00108     <span class="keywordtype">void</span> <a class="code" href="classsc_1_1MPIMessageGrp.html#d96da75141ba67485d2ea74e8e73de77" title="Global generic reduction.">reduce</a>(<span class="keywordtype">long</span>*, <span class="keywordtype">int</span> <a class="code" href="classsc_1_1MessageGrp.html#9f088f8934d788db2e9f1e724cd66b13" title="Returns the number of processors.">n</a>, GrpReduce&lt;long&gt;&amp;,
<a name="l00109"></a>00109                 <span class="keywordtype">long</span>*scratch = 0, <span class="keywordtype">int</span> target = -1);
<a name="l00110"></a>00110 
<a name="l00111"></a>00111     <span class="keywordtype">void</span> raw_bcast(<span class="keywordtype">void</span>* data, <span class="keywordtype">int</span> nbyte, <span class="keywordtype">int</span> from);
<a name="l00112"></a>00112 };
<a name="l00113"></a>00113 
<a name="l00114"></a>00114 }
<a name="l00115"></a>00115 
<a name="l00116"></a>00116 <span class="preprocessor">#endif</span>
<a name="l00117"></a>00117 <span class="preprocessor"></span>
<a name="l00118"></a>00118 <span class="comment">// Local Variables:</span>
<a name="l00119"></a>00119 <span class="comment">// mode: c++</span>
<a name="l00120"></a>00120 <span class="comment">// c-file-style: "CLJ"</span>
<a name="l00121"></a>00121 <span class="comment">// End:</span>
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