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<title>NVIDIA CUDA Library: Peer Context Memory Access</title>
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<h1>Peer Context Memory Access<br>
<small>
[<a class="el" href="group__CUDA__DRIVER.html">CUDA Driver API</a>]</small>
</h1><table border="0" cellpadding="0" cellspacing="0">
<tr><td></td></tr>
<tr><td colspan="2"><br><h2>Functions</h2></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="el" href="group__CUDA__TYPES_g09da14df1a751dcbfeccb9cf0073d64c.html#g09da14df1a751dcbfeccb9cf0073d64c">CUresult</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__CUDA__PEER__ACCESS_g5b4b6936ea868d4954ce4d841a3b4810.html#g5b4b6936ea868d4954ce4d841a3b4810">cuCtxDisablePeerAccess</a> (<a class="el" href="group__CUDA__TYPES_gf9f5bd81658f866613785b3a0bb7d7d9.html#gf9f5bd81658f866613785b3a0bb7d7d9">CUcontext</a> peerContext)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Disables direct access to memory allocations in a peer context and unregisters any registered allocations. <a href="#g5b4b6936ea868d4954ce4d841a3b4810"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="el" href="group__CUDA__TYPES_g09da14df1a751dcbfeccb9cf0073d64c.html#g09da14df1a751dcbfeccb9cf0073d64c">CUresult</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__CUDA__PEER__ACCESS_g0889ec6728e61c05ed359551d67b3f5a.html#g0889ec6728e61c05ed359551d67b3f5a">cuCtxEnablePeerAccess</a> (<a class="el" href="group__CUDA__TYPES_gf9f5bd81658f866613785b3a0bb7d7d9.html#gf9f5bd81658f866613785b3a0bb7d7d9">CUcontext</a> peerContext, unsigned int Flags)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Enables direct access to memory allocations in a peer context. <a href="#g0889ec6728e61c05ed359551d67b3f5a"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="el" href="group__CUDA__TYPES_g09da14df1a751dcbfeccb9cf0073d64c.html#g09da14df1a751dcbfeccb9cf0073d64c">CUresult</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__CUDA__PEER__ACCESS_g496bdaae1f632ebfb695b99d2c40f19e.html#g496bdaae1f632ebfb695b99d2c40f19e">cuDeviceCanAccessPeer</a> (int *canAccessPeer, <a class="el" href="group__CUDA__TYPES_gcd81b70eb9968392bb5cdf582af8eab4.html#gcd81b70eb9968392bb5cdf582af8eab4">CUdevice</a> dev, <a class="el" href="group__CUDA__TYPES_gcd81b70eb9968392bb5cdf582af8eab4.html#gcd81b70eb9968392bb5cdf582af8eab4">CUdevice</a> peerDev)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Queries if a device may directly access a peer device's memory. <a href="#g496bdaae1f632ebfb695b99d2c40f19e"></a><br></td></tr>
</table>
<hr><a name="_details"></a><h2>Detailed Description</h2>
This section describes the direct peer context memory access functions of the low-level CUDA driver application programming interface. </div>
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