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<hr><h1>sc::MPIMessageGrp Class Reference</h1>The <a class="el" href="class_sc__MPIMessageGrp.html">MPIMessageGrp</a> class is an concrete implementation of <a class="el" href="class_sc__MessageGrp.html">MessageGrp</a> that uses the MPI 1 library.
<a href="#_details">More...</a>
<p>
<code>#include <<a class="el" href="messmpi_h-source.html">messmpi.h</a>></code>
<p>
Inheritance diagram for sc::MPIMessageGrp<p><center><img src="class_sc__MPIMessageGrp_inherit_graph.gif" border="0" usemap="#sc::MPIMessageGrp_inherit_map" alt="Inheritance graph"></center>
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<center><font size="2">[<a href="graph_legend.html">legend</a>]</font></center>Collaboration diagram for sc::MPIMessageGrp:<p><center><img src="class_sc__MPIMessageGrp_coll_graph.gif" border="0" usemap="#sc::MPIMessageGrp_coll_map" alt="Collaboration graph"></center>
<map name="sc::MPIMessageGrp_coll_map">
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<center><font size="2">[<a href="graph_legend.html">legend</a>]</font></center><a href="class_sc__MPIMessageGrp-members.html">List of all members.</a><table border=0 cellpadding=0 cellspacing=0>
<tr><td colspan=2><br><h2>Public Methods</h2></td></tr>
<tr><td nowrap align=right valign=top><a name="a0" doxytag="sc::MPIMessageGrp::MPIMessageGrp"></a>
</td><td valign=bottom><b>MPIMessageGrp</b> ()</td></tr>
<tr><td nowrap align=right valign=top> </td><td valign=bottom><a class="el" href="class_sc__MPIMessageGrp.html#a1">MPIMessageGrp</a> (MPI_Comm comm)</td></tr>
<tr><td> </td><td><font size=-1><em>Use an MPI communicator to create a <a class="el" href="class_sc__MessageGrp.html">MessageGrp</a>.</em> <a href="#a1">More...</a><em></em></font><br><br></td></tr>
<tr><td nowrap align=right valign=top> </td><td valign=bottom><a class="el" href="class_sc__MPIMessageGrp.html#a2">MPIMessageGrp</a> (int *argc, char ***argv)</td></tr>
<tr><td> </td><td><font size=-1><em>Use argc and argv to create a <a class="el" href="class_sc__MPIMessageGrp.html">MPIMessageGrp</a>.</em> <a href="#a2">More...</a><em></em></font><br><br></td></tr>
<tr><td nowrap align=right valign=top><a name="a3" doxytag="sc::MPIMessageGrp::MPIMessageGrp"></a>
</td><td valign=bottom><a class="el" href="class_sc__MPIMessageGrp.html#a3">MPIMessageGrp</a> (const <a class="el" href="class_sc__Ref.html">Ref</a>< <a class="el" href="class_sc__KeyVal.html">KeyVal</a> > &)</td></tr>
<tr><td> </td><td><font size=-1><em>Construction <a class="el" href="class_sc__MPIMessageGrp.html">MPIMessageGrp</a> given a <a class="el" href="class_sc__KeyVal.html">KeyVal</a> input object.</em></font><br><br></td></tr>
<tr><td nowrap align=right valign=top><a name="a4" doxytag="sc::MPIMessageGrp::~MPIMessageGrp"></a>
</td><td valign=bottom><b>~MPIMessageGrp</b> ()</td></tr>
<tr><td nowrap align=right valign=top><a name="a5" doxytag="sc::MPIMessageGrp::clone"></a>
<a class="el" href="class_sc__Ref.html">Ref</a><<a class="el" href="class_sc__MessageGrp.html">MessageGrp</a>> </td><td valign=bottom><a class="el" href="class_sc__MPIMessageGrp.html#a5">clone</a> (void)</td></tr>
<tr><td> </td><td><font size=-1><em>Clones (dups) an <a class="el" href="class_sc__MPIMessageGrp.html">MPIMessageGrp</a> from MPI_COMM_WORLD.</em></font><br><br></td></tr>
<tr><td nowrap align=right valign=top><a name="a6" doxytag="sc::MPIMessageGrp::raw_send"></a>
void </td><td valign=bottom><b>raw_send</b> (int target, void *data, int nbyte)</td></tr>
<tr><td nowrap align=right valign=top><a name="a7" doxytag="sc::MPIMessageGrp::raw_recv"></a>
void </td><td valign=bottom><b>raw_recv</b> (int sender, void *data, int nbyte)</td></tr>
<tr><td nowrap align=right valign=top><a name="a8" doxytag="sc::MPIMessageGrp::raw_sendt"></a>
void </td><td valign=bottom><b>raw_sendt</b> (int target, int type, void *data, int nbyte)</td></tr>
<tr><td nowrap align=right valign=top><a name="a9" doxytag="sc::MPIMessageGrp::raw_recvt"></a>
void </td><td valign=bottom><b>raw_recvt</b> (int type, void *data, int nbyte)</td></tr>
<tr><td nowrap align=right valign=top><a name="a10" doxytag="sc::MPIMessageGrp::probet"></a>
int </td><td valign=bottom><a class="el" href="class_sc__MPIMessageGrp.html#a10">probet</a> (int type)</td></tr>
<tr><td> </td><td><font size=-1><em>Ask if a given typed message has been received.</em></font><br><br></td></tr>
<tr><td nowrap align=right valign=top><a name="a11" doxytag="sc::MPIMessageGrp::sync"></a>
void </td><td valign=bottom><a class="el" href="class_sc__MPIMessageGrp.html#a11">sync</a> ()</td></tr>
<tr><td> </td><td><font size=-1><em>Synchronize all of the processors.</em></font><br><br></td></tr>
<tr><td nowrap align=right valign=top>void </td><td valign=bottom><a class="el" href="class_sc__MPIMessageGrp.html#a12">reduce</a> (double *, int n, GrpReduce< double > &, double *scratch=0, int target=-1)</td></tr>
<tr><td> </td><td><font size=-1><em>Global generic reduction.</em> <a href="#a12">More...</a><em></em></font><br><br></td></tr>
<tr><td nowrap align=right valign=top><a name="a13" doxytag="sc::MPIMessageGrp::reduce"></a>
void </td><td valign=bottom><b>reduce</b> (unsigned int *, int n, GrpReduce< unsigned int > &, unsigned int *scratch=0, int target=-1)</td></tr>
<tr><td nowrap align=right valign=top><a name="a14" doxytag="sc::MPIMessageGrp::reduce"></a>
void </td><td valign=bottom><b>reduce</b> (int *, int n, GrpReduce< int > &, int *scratch=0, int target=-1)</td></tr>
<tr><td nowrap align=right valign=top><a name="a15" doxytag="sc::MPIMessageGrp::reduce"></a>
void </td><td valign=bottom><b>reduce</b> (char *, int n, GrpReduce< char > &, char *scratch=0, int target=-1)</td></tr>
<tr><td nowrap align=right valign=top><a name="a16" doxytag="sc::MPIMessageGrp::reduce"></a>
void </td><td valign=bottom><b>reduce</b> (unsigned char *, int n, GrpReduce< unsigned char > &, unsigned char *scratch=0, int target=-1)</td></tr>
<tr><td nowrap align=right valign=top><a name="a17" doxytag="sc::MPIMessageGrp::reduce"></a>
void </td><td valign=bottom><b>reduce</b> (signed char *, int n, GrpReduce< signed char > &, signed char *scratch=0, int target=-1)</td></tr>
<tr><td nowrap align=right valign=top><a name="a18" doxytag="sc::MPIMessageGrp::reduce"></a>
void </td><td valign=bottom><b>reduce</b> (short *, int n, GrpReduce< short > &, short *scratch=0, int target=-1)</td></tr>
<tr><td nowrap align=right valign=top><a name="a19" doxytag="sc::MPIMessageGrp::reduce"></a>
void </td><td valign=bottom><b>reduce</b> (float *, int n, GrpReduce< float > &, float *scratch=0, int target=-1)</td></tr>
<tr><td nowrap align=right valign=top><a name="a20" doxytag="sc::MPIMessageGrp::reduce"></a>
void </td><td valign=bottom><b>reduce</b> (long *, int n, GrpReduce< long > &, long *scratch=0, int target=-1)</td></tr>
<tr><td nowrap align=right valign=top><a name="a21" doxytag="sc::MPIMessageGrp::raw_bcast"></a>
void </td><td valign=bottom><b>raw_bcast</b> (void *data, int nbyte, int from)</td></tr>
<tr><td colspan=2><br><h2>Protected Methods</h2></td></tr>
<tr><td nowrap align=right valign=top><a name="b0" doxytag="sc::MPIMessageGrp::my_node_info"></a>
struct p4_cluster* </td><td valign=bottom><b>my_node_info</b> (const char[], int &)</td></tr>
<tr><td nowrap align=right valign=top><a name="b1" doxytag="sc::MPIMessageGrp::init"></a>
void </td><td valign=bottom><a class="el" href="class_sc__MPIMessageGrp.html#b1">init</a> (MPI_Comm comm, int *argc=0, char ***argv=0)</td></tr>
<tr><td> </td><td><font size=-1><em>Not thread-safe due to race condition on nmpi_grps variable.</em></font><br><br></td></tr>
<tr><td colspan=2><br><h2>Protected Attributes</h2></td></tr>
<tr><td nowrap align=right valign=top><a name="n0" doxytag="sc::MPIMessageGrp::buf"></a>
void* </td><td valign=bottom><b>buf</b></td></tr>
<tr><td nowrap align=right valign=top><a name="n1" doxytag="sc::MPIMessageGrp::bufsize"></a>
int </td><td valign=bottom><b>bufsize</b></td></tr>
<tr><td nowrap align=right valign=top><a name="n2" doxytag="sc::MPIMessageGrp::rnode"></a>
int </td><td valign=bottom><b>rnode</b></td></tr>
<tr><td nowrap align=right valign=top><a name="n3" doxytag="sc::MPIMessageGrp::rtag"></a>
int </td><td valign=bottom><b>rtag</b></td></tr>
<tr><td nowrap align=right valign=top><a name="n4" doxytag="sc::MPIMessageGrp::rlen"></a>
int </td><td valign=bottom><b>rlen</b></td></tr>
<tr><td nowrap align=right valign=top><a name="n5" doxytag="sc::MPIMessageGrp::threadgrp"></a>
<a class="el" href="class_sc__Ref.html">Ref</a><<a class="el" href="class_sc__ThreadGrp.html">ThreadGrp</a>> </td><td valign=bottom><b>threadgrp</b></td></tr>
<tr><td nowrap align=right valign=top><a name="n6" doxytag="sc::MPIMessageGrp::commgrp"></a>
MPI_Comm </td><td valign=bottom><a class="el" href="class_sc__MPIMessageGrp.html#n6">commgrp</a></td></tr>
<tr><td> </td><td><font size=-1><em>Currently each commgrp is a dup of MPI_COMM_WORLD.</em></font><br><br></td></tr>
<tr><td nowrap align=right valign=top><a name="n7" doxytag="sc::MPIMessageGrp::nlocal"></a>
int </td><td valign=bottom><b>nlocal</b></td></tr>
<tr><td nowrap align=right valign=top><a name="n8" doxytag="sc::MPIMessageGrp::nremote"></a>
int </td><td valign=bottom><b>nremote</b></td></tr>
<tr><td nowrap align=right valign=top><a name="n9" doxytag="sc::MPIMessageGrp::master"></a>
char* </td><td valign=bottom><b>master</b></td></tr>
<tr><td nowrap align=right valign=top><a name="n10" doxytag="sc::MPIMessageGrp::jobid"></a>
char* </td><td valign=bottom><b>jobid</b></td></tr>
<tr><td nowrap align=right valign=top><a name="n11" doxytag="sc::MPIMessageGrp::remote_clusters"></a>
struct sc::MPIMessageGrp::p4_cluster * </td><td valign=bottom><b>remote_clusters</b></td></tr>
<tr><td colspan=2><br><h2>Static Protected Attributes</h2></td></tr>
<tr><td nowrap align=right valign=top><a name="q0" doxytag="sc::MPIMessageGrp::nmpi_grps"></a>
int </td><td valign=bottom><a class="el" href="class_sc__MPIMessageGrp.html#q0">nmpi_grps</a></td></tr>
<tr><td> </td><td><font size=-1><em>Number of <a class="el" href="class_sc__MPIMessageGrp.html">MPIMessageGrp</a>'s currently in use.</em></font><br><br></td></tr>
<tr><td nowrap align=right valign=top><a name="q1" doxytag="sc::MPIMessageGrp::grplock"></a>
<a class="el" href="class_sc__Ref.html">Ref</a><<a class="el" href="class_sc__ThreadLock.html">ThreadLock</a>> </td><td valign=bottom><a class="el" href="class_sc__MPIMessageGrp.html#q1">grplock</a></td></tr>
<tr><td> </td><td><font size=-1><em>lock to access nmpi_grps variable.</em></font><br><br></td></tr>
</table>
<hr><a name="_details"></a><h2>Detailed Description</h2>
The <a class="el" href="class_sc__MPIMessageGrp.html">MPIMessageGrp</a> class is an concrete implementation of <a class="el" href="class_sc__MessageGrp.html">MessageGrp</a> that uses the MPI 1 library.
<p>
<hr><h2>Constructor & Destructor Documentation</h2>
<a name="a1" doxytag="sc::MPIMessageGrp::MPIMessageGrp"></a><p>
<table width="100%" cellpadding="2" cellspacing="0" border="0">
<tr>
<td class="md">
<table cellpadding="0" cellspacing="0" border="0">
<tr>
<td nowrap valign="top"><b>
sc::MPIMessageGrp::MPIMessageGrp (
</b></td>
<td valign="bottom"><b>
MPI_Comm <em>comm</em> )
</b></td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</td>
<td>
<p>
Use an MPI communicator to create a <a class="el" href="class_sc__MessageGrp.html">MessageGrp</a>.
<p>
The comm argument could be a subset of MPI_COMM_WORLD, for example. </td>
</tr>
</table>
<a name="a2" doxytag="sc::MPIMessageGrp::MPIMessageGrp"></a><p>
<table width="100%" cellpadding="2" cellspacing="0" border="0">
<tr>
<td class="md">
<table cellpadding="0" cellspacing="0" border="0">
<tr>
<td nowrap valign="top"><b>
sc::MPIMessageGrp::MPIMessageGrp (
</b></td>
<td valign="bottom"><b>
int * <em>argc</em>,
</b></td>
</tr>
<tr>
<td></td>
<td><b>
char *** <em>argv</em> )
</b></td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</td>
<td>
<p>
Use argc and argv to create a <a class="el" href="class_sc__MPIMessageGrp.html">MPIMessageGrp</a>.
<p>
This would have to be used for implementations of MPI that have MPI_Init fill in argc and argv. </td>
</tr>
</table>
<hr><h2>Member Function Documentation</h2>
<a name="a12" doxytag="sc::MPIMessageGrp::reduce"></a><p>
<table width="100%" cellpadding="2" cellspacing="0" border="0">
<tr>
<td class="md">
<table cellpadding="0" cellspacing="0" border="0">
<tr>
<td nowrap valign="top"><b>
void sc::MPIMessageGrp::reduce (
</b></td>
<td valign="bottom"><b>
double *,
</b></td>
</tr>
<tr>
<td></td>
<td><b>
int <em>n</em>,
</b></td>
</tr>
<tr>
<td></td>
<td><b>
GrpReduce< double > &,
</b></td>
</tr>
<tr>
<td></td>
<td><b>
double * <em>scratch</em> = 0,
</b></td>
</tr>
<tr>
<td></td>
<td><b>
int <em>target</em> = -1 )<code> [virtual]</code>
</b></td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</td>
<td>
<p>
Global generic reduction.
<p>
Similar members exist for each of the basic types.
<p>
Reimplemented from <a class="el" href="class_sc__MessageGrp.html#a93">sc::MessageGrp</a>. </td>
</tr>
</table>
<hr>The documentation for this class was generated from the following file:<ul>
<li><a class="el" href="messmpi_h-source.html">messmpi.h</a></ul>
<hr>
<address>
<small>
Generated at Mon Oct 14 14:17:12 2002 for <a
href="http://aros.ca.sandia.gov/~cljanss/mpqc">MPQC</a>
2.1.2 using the documentation package <a
href="http://www.stack.nl/~dimitri/doxygen/index.html">Doxygen</a>
1.2.5.
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</address>
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