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diff --git a/doc/html/boost/mpi/reduce.html b/doc/html/boost/mpi/reduce.html index 309108b63c..4ab20256d6 100644 --- a/doc/html/boost/mpi/reduce.html +++ b/doc/html/boost/mpi/reduce.html @@ -6,7 +6,7 @@ <link rel="stylesheet" href="../../../../doc/src/boostbook.css" type="text/css"> <meta name="generator" content="DocBook XSL Stylesheets V1.79.1"> <link rel="home" href="../../index.html" title="The Boost C++ Libraries BoostBook Documentation Subset"> -<link rel="up" href="../../mpi/reference.html#header.boost.mpi.collectives_hpp" title="Header <boost/mpi/collectives.hpp>"> +<link rel="up" href="../../mpi/tutorial.html#header.boost.mpi.collectives_hpp" title="Header <boost/mpi/collectives.hpp>"> <link rel="prev" href="scatterv.html" title="Function scatterv"> <link rel="next" href="scan.html" title="Function scan"> </head> @@ -21,7 +21,7 @@ </tr></table> <hr> <div class="spirit-nav"> -<a accesskey="p" href="scatterv.html"><img src="../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../../mpi/reference.html#header.boost.mpi.collectives_hpp"><img src="../../../../doc/src/images/up.png" alt="Up"></a><a accesskey="h" href="../../index.html"><img src="../../../../doc/src/images/home.png" alt="Home"></a><a accesskey="n" href="scan.html"><img src="../../../../doc/src/images/next.png" alt="Next"></a> +<a accesskey="p" href="scatterv.html"><img src="../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../../mpi/tutorial.html#header.boost.mpi.collectives_hpp"><img src="../../../../doc/src/images/up.png" alt="Up"></a><a accesskey="h" href="../../index.html"><img src="../../../../doc/src/images/home.png" alt="Home"></a><a accesskey="n" href="scan.html"><img src="../../../../doc/src/images/next.png" alt="Next"></a> </div> <div class="refentry"> <a name="boost.mpi.reduce"></a><div class="titlepage"></div> @@ -30,7 +30,7 @@ <p>boost::mpi::reduce — Combine the values stored by each process into a single value at the root. </p> </div> <h2 xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="refsynopsisdiv-title">Synopsis</h2> -<div xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="refsynopsisdiv"><pre class="synopsis"><span class="comment">// In header: <<a class="link" href="../../mpi/reference.html#header.boost.mpi.collectives_hpp" title="Header <boost/mpi/collectives.hpp>">boost/mpi/collectives.hpp</a>> +<div xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="refsynopsisdiv"><pre class="synopsis"><span class="comment">// In header: <<a class="link" href="../../mpi/tutorial.html#header.boost.mpi.collectives_hpp" title="Header <boost/mpi/collectives.hpp>">boost/mpi/collectives.hpp</a>> </span> <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> T<span class="special">,</span> <span class="keyword">typename</span> Op<span class="special">></span> @@ -45,7 +45,7 @@ <span class="keyword">void</span> <span class="identifier">reduce</span><span class="special">(</span><span class="keyword">const</span> <a class="link" href="communicator.html" title="Class communicator">communicator</a> <span class="special">&</span> comm<span class="special">,</span> <span class="keyword">const</span> <span class="identifier">T</span> <span class="special">*</span> in_values<span class="special">,</span> <span class="keyword">int</span> n<span class="special">,</span> <span class="identifier">Op</span> op<span class="special">,</span> <span class="keyword">int</span> root<span class="special">)</span><span class="special">;</span></pre></div> <div class="refsect1"> -<a name="id-1.3.26.6.4.12.4"></a><h2>Description</h2> +<a name="id-1.3.26.5.14.5.12.4"></a><h2>Description</h2> <p><code class="computeroutput">reduce</code> is a collective algorithm that combines the values stored by each process into a single value at the <code class="computeroutput">root</code>. The values can be combined arbitrarily, specified via a function object. The type <code class="computeroutput">T</code> of the values may be any type that is serializable or has an associated MPI data type. One can think of this operation as a <code class="computeroutput">gather</code> to the <code class="computeroutput">root</code>, followed by an <code class="computeroutput">std::accumulate()</code> over the gathered values and using the operation <code class="computeroutput">op</code>.</p> <p>When the type <code class="computeroutput">T</code> has an associated MPI data type, this routine invokes <code class="computeroutput">MPI_Reduce</code> to perform the reduction. If possible, built-in MPI operations will be used; otherwise, <code class="computeroutput">reduce()</code> will create a custom MPI_Op for the call to MPI_Reduce.</p> <p> @@ -101,7 +101,7 @@ </tr></table> <hr> <div class="spirit-nav"> -<a accesskey="p" href="scatterv.html"><img src="../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../../mpi/reference.html#header.boost.mpi.collectives_hpp"><img src="../../../../doc/src/images/up.png" alt="Up"></a><a accesskey="h" href="../../index.html"><img src="../../../../doc/src/images/home.png" alt="Home"></a><a accesskey="n" href="scan.html"><img src="../../../../doc/src/images/next.png" alt="Next"></a> +<a accesskey="p" href="scatterv.html"><img src="../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../../mpi/tutorial.html#header.boost.mpi.collectives_hpp"><img src="../../../../doc/src/images/up.png" alt="Up"></a><a accesskey="h" href="../../index.html"><img src="../../../../doc/src/images/home.png" alt="Home"></a><a accesskey="n" href="scan.html"><img src="../../../../doc/src/images/next.png" alt="Next"></a> </div> </body> </html> |