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<pre class="literallayout"><span class="keyword">static</span> <span class="keyword">int</span> <a name="idp43958848-bb"></a><span class="identifier">collectives_tag</span><span class="special">(</span><span class="special">)</span><span class="special">;</span></pre>
<p>The tag value used for collective operations.</p>
<p>Returns the reserved tag value used by the Boost.MPI implementation for collective operations. Although users are not permitted to 