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    <title>Async Copy and Prefetch Functions</title>
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    <div class="refentry">
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        <h1>Async Copy and Prefetch Functions</h1>
        <p>Asynchronous copies between global and local memory and a prefetch from global memory.</p>
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      <div class="refsect1">
        <a id="springboard"></a>
        <h2></h2>
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                  <a class="citerefentry" href="async_work_group_copy.html">
                    <span class="citerefentry">
                      <span class="refentrytitle">async_work_group_copy</span>
                    </span>
                  </a>
                </td>
                <td align="left">Perform an async copy</td>
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                <td align="left">
                  <a class="citerefentry" href="async_work_group_strided_copy.html">
                    <span class="citerefentry">
                      <span class="refentrytitle">async_work_group_strided_copy</span>
                    </span>
                  </a>
                </td>
                <td align="left">Performs an async gather of <code class="varname">num_elements</code> <span class="type">gentype</span> elements from source to destination.</td>
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              <tr>
                <td align="left">
                  <a class="citerefentry" href="wait_group_events.html">
                    <span class="citerefentry">
                      <span class="refentrytitle">wait_group_events</span>
                    </span>
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                </td>
                <td align="left">Wait for events that identify the <code class="function">async_work_group_copy</code> operations to complete.</td>
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                  <a class="citerefentry" href="prefetch.html">
                    <span class="citerefentry">
                      <span class="refentrytitle">prefetch</span>
                    </span>
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                <td align="left">Prefetch bytes into the global cache.</td>
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      <div class="refsect1">
        <a id="description"></a>
        <h2>Description</h2>
        <p>
            The OpenCL C programming language implements these functions that provide asynchronous copies between global and local memory and a prefetch from global memory. 
        </p>
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        <h2>Specification</h2>
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            <img src="pdficon_small1.gif" />
                                                 
            <a href="https://www.khronos.org/registry/cl/specs/opencl-2.1-openclc.pdf#page=100" target="OpenCL Spec">OpenCL Specification</a>
        </p>
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      <div xmlns="" class="refsect3" lang="en" xml:lang="en"><a xmlns="http://www.w3.org/1999/xhtml" id="Copyright"></a><h4 xmlns="http://www.w3.org/1999/xhtml"></h4><img xmlns="http://www.w3.org/1999/xhtml" src="KhronosLogo.jpg" /><p xmlns="http://www.w3.org/1999/xhtml"></p>Copyright © 2007-2015 The Khronos Group Inc.
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