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<a name="Nvidia-PTX-Variable-Attributes-1"></a>
<h4 class="subsection">6.34.11 Nvidia PTX Variable Attributes</h4>

<p>These variable attributes are supported by the Nvidia PTX back end:
</p>
<dl compact="compact">
<dt><code>shared</code></dt>
<dd><a name="index-shared-attribute_002c-Nvidia-PTX"></a>
<p>Use this attribute to place a variable in the <code>.shared</code> memory space.
This memory space is private to each cooperative thread array; only threads
within one thread block refer to the same instance of the variable.
The runtime does not initialize variables in this memory space.
</p></dd>
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