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<span class="keyword">struct</span> <a class="link" href="is_commutative.html" title="Struct template is_commutative">is_commutative</a> <span class="special">:</span> <span class="keyword">public</span> <span class="identifier">false_</span> <span class="special">{</span>
<span class="special">}</span><span class="special">;</span></pre></div>
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-<a name="idm45927876743760"></a><h2>Description</h2>
+<a name="idp517317664"></a><h2>Description</h2>
<p>This trait determines if an operation <code class="computeroutput">Op</code> is commutative when applied to values of type <code class="computeroutput">T</code>. Parallel operations such as <code class="computeroutput">reduce</code> and <code class="computeroutput">prefix_sum</code> can be implemented more efficiently with commutative operations. To mark an operation as commutative, users should specialize <code class="computeroutput"><a class="link" href="is_commutative.html" title="Struct template is_commutative">is_commutative</a></code> and derive from the class <code class="computeroutput">mpl::true_</code>. </p>
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