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<div class="subsection-level-extent" id="Nvidia-PTX-Function-Attributes"> <div class="nav-panel"> <p> Next: <a href="powerpc-function-attributes" accesskey="n" rel="next">PowerPC Function Attributes</a>, Previous: <a href="nios-ii-function-attributes" accesskey="p" rel="prev">Nios II Function Attributes</a>, Up: <a href="function-attributes" accesskey="u" rel="up">Declaring Attributes of Functions</a> [<a href="index#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="indices" title="Index" rel="index">Index</a>]</p> </div>  <h1 class="subsection" id="Nvidia-PTX-Function-Attributes-1"><span>6.33.23 Nvidia PTX Function Attributes<a class="copiable-link" href="#Nvidia-PTX-Function-Attributes-1"> ¶</a></span></h1> <p>These function attributes are supported by the Nvidia PTX back end: </p> <dl class="table"> <dt>
<span><code class="code">kernel</code><a class="copiable-link" href="#index-kernel-attribute_002c-Nvidia-PTX"> ¶</a></span>
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<p>This attribute indicates that the corresponding function should be compiled as a kernel function, which can be invoked from the host via the CUDA RT library. By default functions are only callable only from other PTX functions. </p> <p>Kernel functions must have <code class="code">void</code> return type. </p>
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