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<title>Atomic Functions</title>
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<div class="refentry">
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<div xmlns="" class="refnamediv">
<h1>Atomic Functions</h1>
<p>Click an item in the table below for details about that function.</p>
</div>
<div class="refsect1">
<a id="springboard"></a>
<h2></h2>
<div class="informaltable">
<table class="informaltable" border="1">
<colgroup>
<col align="left" class="col1" />
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<td align="left">
<a class="citerefentry" href="cl_khr_local_int32_base_atomics.html">
<span class="citerefentry">
<span class="refentrytitle">cl_khr_local_int32_base_atomics</span>
</span>
</a>
</td>
<td align="left">Optional extensions that implement atomic operations on 32-bit signed and unsigned integers to locations in __local memory. </td>
</tr>
<tr>
<td align="left">
<a class="citerefentry" href="cl_khr_global_int32_base_atomics.html">
<span class="citerefentry">
<span class="refentrytitle">cl_khr_global_int32_base_atomics</span>
</span>
</a>
</td>
<td align="left">Optional extensions that implement atomic operations on 32-bit signed and unsigned integers to locations in __global memory. </td>
</tr>
<tr>
<td align="left">
<a class="citerefentry" href="cl_khr_local_int32_extended_atomics.html">
<span class="citerefentry">
<span class="refentrytitle">cl_khr_local_int32_extended_atomics</span>
</span>
</a>
</td>
<td align="left">Optional extensions that implement atomic operations on 32-bit signed and unsigned integers to locations in __local memory. </td>
</tr>
<tr>
<td align="left">
<a class="citerefentry" href="cl_khr_global_int32_extended_atomics.html">
<span class="citerefentry">
<span class="refentrytitle">cl_khr_global_int32_extended_atomics</span>
</span>
</a>
</td>
<td align="left">Optional extensions that implement atomic operations on 32-bit signed and unsigned integers to locations in __global memory. </td>
</tr>
<tr>
<td align="left">
<a class="citerefentry" href="cl_khr_int64_base_atomics.html">
<span class="citerefentry">
<span class="refentrytitle">cl_khr_int64_base_atomics</span>
</span>
</a>
</td>
<td align="left">Optional extensions that implement atomic operations on 64-bit signed and unsigned integers to locations in __global and __local memory. </td>
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<a class="citerefentry" href="cl_khr_int64_extended_atomics.html">
<span class="citerefentry">
<span class="refentrytitle">cl_khr_int64_extended_atomics</span>
</span>
</a>
</td>
<td align="left">Optional extensions that implement atomic operations on 64-bit signed and unsigned integers to locations in __global and __local memory. </td>
</tr>
</tbody>
</table>
</div>
</div>
<div class="refsect1">
<a id="description"></a>
<h2>Description</h2>
<p>
These transactions are atomic for the device executing these atomic functions. There is no
guarantee of atomicity if the atomic operations to the same memory location are being performed
by kernels executing on multiple devices.
</p>
</div>
<div class="refsect1">
<a id="specification"></a>
<h2>Specification</h2>
<p>
<img src="pdficon_small1.gif" />
<a href="http://www.khronos.org/registry/cl/specs/opencl-1.0.pdf#page=244" target="OpenCL Spec">OpenCL Specification</a>
</p>
</div>
<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 © 2007-2009 The Khronos Group Inc.
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