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<li>
<div class="section-link"><a href="api-sync-behavior.html#api-sync-behavior">1. API synchronization behavior </a></div>
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<div class="section-link"><a href="stream-sync-behavior.html#stream-sync-behavior">2. Stream synchronization behavior</a></div>
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<div class="section-link"><a href="modules.html#modules">3. Modules</a></div>
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<div class="section-link"><a href="group__CUDART__DEVICE.html#group__CUDART__DEVICE">3.1. Device Management</a></div>
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<div class="section-link"><a href="group__CUDART__THREAD__DEPRECATED.html#group__CUDART__THREAD__DEPRECATED">3.2. Thread Management [DEPRECATED]</a></div>
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<div class="section-link"><a href="group__CUDART__ERROR.html#group__CUDART__ERROR">3.3. Error Handling</a></div>
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<div class="section-link"><a href="group__CUDART__STREAM.html#group__CUDART__STREAM">3.4. Stream Management</a></div>
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<div class="section-link"><a href="group__CUDART__EVENT.html#group__CUDART__EVENT">3.5. Event Management</a></div>
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<div class="section-link"><a href="group__CUDART__EXECUTION.html#group__CUDART__EXECUTION">3.6. Execution Control</a></div>
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<div class="section-link"><a href="group__CUDART__OCCUPANCY.html#group__CUDART__OCCUPANCY">3.7. Occupancy</a></div>
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<div class="section-link"><a href="group__CUDART__MEMORY.html#group__CUDART__MEMORY">3.8. Memory Management</a></div>
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<div class="section-link"><a href="group__CUDART__UNIFIED.html#group__CUDART__UNIFIED">3.9. Unified Addressing</a></div>
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<div class="section-link"><a href="group__CUDART__PEER.html#group__CUDART__PEER">3.10. Peer Device Memory Access</a></div>
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<div class="section-link"><a href="group__CUDART__OPENGL.html#group__CUDART__OPENGL">3.11. OpenGL Interoperability</a></div>
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<div class="section-link"><a href="group__CUDART__OPENGL__DEPRECATED.html#group__CUDART__OPENGL__DEPRECATED">3.12. OpenGL Interoperability [DEPRECATED]</a></div>
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<div class="section-link"><a href="group__CUDART__D3D9.html#group__CUDART__D3D9">3.13. Direct3D 9 Interoperability</a></div>
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<div class="section-link"><a href="group__CUDART__D3D9__DEPRECATED.html#group__CUDART__D3D9__DEPRECATED">3.14. Direct3D 9 Interoperability [DEPRECATED]</a></div>
</li>
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<div class="section-link"><a href="group__CUDART__D3D10.html#group__CUDART__D3D10">3.15. Direct3D 10 Interoperability</a></div>
</li>
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<div class="section-link"><a href="group__CUDART__D3D10__DEPRECATED.html#group__CUDART__D3D10__DEPRECATED">3.16. Direct3D 10 Interoperability [DEPRECATED]</a></div>
</li>
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<div class="section-link"><a href="group__CUDART__D3D11.html#group__CUDART__D3D11">3.17. Direct3D 11 Interoperability</a></div>
</li>
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<div class="section-link"><a href="group__CUDART__D3D11__DEPRECATED.html#group__CUDART__D3D11__DEPRECATED">3.18. Direct3D 11 Interoperability [DEPRECATED]</a></div>
</li>
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<div class="section-link"><a href="group__CUDART__VDPAU.html#group__CUDART__VDPAU">3.19. VDPAU Interoperability</a></div>
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<div class="section-link"><a href="group__CUDART__INTEROP.html#group__CUDART__INTEROP">3.20. Graphics Interoperability</a></div>
</li>
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<div class="section-link"><a href="group__CUDART__TEXTURE.html#group__CUDART__TEXTURE">3.21. Texture Reference Management</a></div>
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<div class="section-link"><a href="group__CUDART__SURFACE.html#group__CUDART__SURFACE">3.22. Surface Reference Management</a></div>
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<div class="section-link"><a href="group__CUDART__TEXTURE__OBJECT.html#group__CUDART__TEXTURE__OBJECT">3.23. Texture Object Management</a></div>
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<div class="section-link"><a href="group__CUDART__SURFACE__OBJECT.html#group__CUDART__SURFACE__OBJECT">3.24. Surface Object Management</a></div>
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<div class="section-link"><a href="group__CUDART____VERSION.html#group__CUDART____VERSION">3.25. Version Management</a></div>
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<div class="section-link"><a href="group__CUDART__HIGHLEVEL.html#group__CUDART__HIGHLEVEL">3.26. C++ API Routines</a></div>
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<div class="section-link"><a href="group__CUDART__DRIVER.html#group__CUDART__DRIVER">3.27. Interactions with the CUDA Driver API</a></div>
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<div class="section-link"><a href="group__CUDART__PROFILER.html#group__CUDART__PROFILER">3.28. Profiler Control</a></div>
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<div class="section-link"><a href="group__CUDART__TYPES.html#group__CUDART__TYPES">3.29. Data types used by CUDA Runtime</a></div>
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<div class="section-link"><a href="annotated.html#annotated">4. Data Structures</a></div>
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<div class="section-link"><a href="class____cudaOccupancyB2DHelper.html#class____cudaOccupancyB2DHelper">4.1. __cudaOccupancyB2DHelper</a></div>
</li>
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<div class="section-link"><a href="structcudaChannelFormatDesc.html#structcudaChannelFormatDesc">4.2. cudaChannelFormatDesc</a></div>
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<div class="section-link"><a href="structcudaDeviceProp.html#structcudaDeviceProp">4.3. cudaDeviceProp</a></div>
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<div class="section-link"><a href="structcudaExtent.html#structcudaExtent">4.4. cudaExtent</a></div>
</li>
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<div class="section-link"><a href="structcudaFuncAttributes.html#structcudaFuncAttributes">4.5. cudaFuncAttributes</a></div>
</li>
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<div class="section-link"><a href="structcudaIpcEventHandle__t.html#structcudaIpcEventHandle__t">4.6. cudaIpcEventHandle_t</a></div>
</li>
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<div class="section-link"><a href="structcudaIpcMemHandle__t.html#structcudaIpcMemHandle__t">4.7. cudaIpcMemHandle_t</a></div>
</li>
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<div class="section-link"><a href="structcudaMemcpy3DParms.html#structcudaMemcpy3DParms">4.8. cudaMemcpy3DParms</a></div>
</li>
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<div class="section-link"><a href="structcudaMemcpy3DPeerParms.html#structcudaMemcpy3DPeerParms">4.9. cudaMemcpy3DPeerParms</a></div>
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<div class="section-link"><a href="structcudaPitchedPtr.html#structcudaPitchedPtr">4.10. cudaPitchedPtr</a></div>
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<div class="section-link"><a href="structcudaPointerAttributes.html#structcudaPointerAttributes">4.11. cudaPointerAttributes</a></div>
</li>
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<div class="section-link"><a href="structcudaPos.html#structcudaPos">4.12. cudaPos</a></div>
</li>
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<div class="section-link"><a href="structcudaResourceDesc.html#structcudaResourceDesc">4.13. cudaResourceDesc</a></div>
</li>
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<div class="section-link"><a href="structcudaResourceViewDesc.html#structcudaResourceViewDesc">4.14. cudaResourceViewDesc</a></div>
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<div class="section-link"><a href="structcudaTextureDesc.html#structcudaTextureDesc">4.15. cudaTextureDesc</a></div>
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<div class="section-link"><a href="structsurfaceReference.html#structsurfaceReference">4.16. surfaceReference</a></div>
</li>
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<div class="section-link"><a href="structtextureReference.html#structtextureReference">4.17. textureReference</a></div>
</li>
</ul>
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<div class="section-link"><a href="functions.html#functions">5. Data Fields</a></div>
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<div class="section-link"><a href="deprecated.html#deprecated">6. Deprecated List</a></div>
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<div class="topic reference apiRef apiPackage cppModule" id="group__CUDART__EXECUTION"><a name="group__CUDART__EXECUTION" shape="rect">
<!-- --></a><h2 class="topictitle2 cppModule">3.6. Execution Control</h2>
<div class="section">
<p>This section describes the execution control functions of the CUDA runtime application programming interface.</p>
<p class="p">Some functions have overloaded C++ API template versions documented separately in the <a class="xref" href="group__CUDART__HIGHLEVEL.html#group__CUDART__HIGHLEVEL" title="C++-style interface built on top of CUDA runtime API." shape="rect">C++ API Routines</a> module.
</p>
</div>
<h3 class="fake_sectiontitle member_header">Functions</h3>
<dl class="members">
<dt><span class="member_type"><a href="group__CUDART__TYPES.html#group__CUDART__TYPES_1gf599e5b8b829ce7db0f5216928f6ecb6" title="" shape="rect">cudaError_t</a> </span><span class="member_name"><a href="#group__CUDART__EXECUTION_1g19a7dd5a102b499c39f6a7648bec757a" shape="rect">cudaConfigureCall</a> ( dim3<span> </span><span class="keyword keyword apiItemName">gridDim</span>, dim3<span> </span><span class="keyword keyword apiItemName">blockDim</span>, size_t<span> </span><span class="keyword keyword apiItemName">sharedMem</span> = <span class="ph ph apiData">0</span>, <a href="group__CUDART__TYPES.html#group__CUDART__TYPES_1ge15d9c8b7a240312b533d6122558085a" title="" shape="rect">cudaStream_t</a><span> </span><span class="keyword keyword apiItemName">stream</span> = <span class="ph ph apiData">0</span> ) </span></dt>
<dd class="shortdesc"><span></span><span class="desc">Configure a device-launch. </span></dd>
<dt><span class="member_type"><a href="group__CUDART__TYPES.html#group__CUDART__TYPES_1gf599e5b8b829ce7db0f5216928f6ecb6" title="" shape="rect">cudaError_t</a> </span><span class="member_name"><a href="#group__CUDART__EXECUTION_1g2c1ba377d147198dcc0b631f0193eddc" shape="rect">cudaFuncGetAttributes</a> ( <a href="structcudaFuncAttributes.html#structcudaFuncAttributes" title="" shape="rect">cudaFuncAttributes</a>*<span> </span><span class="keyword keyword apiItemName">attr</span>, const void*<span> </span><span class="keyword keyword apiItemName">func</span> ) </span></dt>
<dd class="shortdesc"><span></span><span class="desc">Find out attributes for a given function. </span></dd>
<dt><span class="member_type"><a href="group__CUDART__TYPES.html#group__CUDART__TYPES_1gf599e5b8b829ce7db0f5216928f6ecb6" title="" shape="rect">cudaError_t</a> </span><span class="member_name"><a href="#group__CUDART__EXECUTION_1g4f35d04be20a41c5df96613a748eecc1" shape="rect">cudaFuncSetCacheConfig</a> ( const void*<span> </span><span class="keyword keyword apiItemName">func</span>, <a href="group__CUDART__TYPES.html#group__CUDART__TYPES_1gb980f35ed69ee7991704de29a13de49b" title="" shape="rect">cudaFuncCache</a><span> </span><span class="keyword keyword apiItemName">cacheConfig</span> ) </span></dt>
<dd class="shortdesc"><span></span><span class="desc">Sets the preferred cache configuration for a device function. </span></dd>
<dt><span class="member_type"><a href="group__CUDART__TYPES.html#group__CUDART__TYPES_1gf599e5b8b829ce7db0f5216928f6ecb6" title="" shape="rect">cudaError_t</a> </span><span class="member_name"><a href="#group__CUDART__EXECUTION_1gcb2e02dc6c75e4f705dfd2252748fe99" shape="rect">cudaFuncSetSharedMemConfig</a> ( const void*<span> </span><span class="keyword keyword apiItemName">func</span>, <a href="group__CUDART__TYPES.html#group__CUDART__TYPES_1g6e62d15f3c224625e8c9aa946f1709a6" title="" shape="rect">cudaSharedMemConfig</a><span> </span><span class="keyword keyword apiItemName">config</span> ) </span></dt>
<dd class="shortdesc"><span></span><span class="desc">Sets the shared memory configuration for a device function. </span></dd>
<dt><span class="member_type"><a href="group__CUDART__TYPES.html#group__CUDART__TYPES_1gf599e5b8b829ce7db0f5216928f6ecb6" title="" shape="rect">cudaError_t</a> </span><span class="member_name"><a href="#group__CUDART__EXECUTION_1gf4f3215d06b6d90849a3d977f9440002" shape="rect">cudaLaunch</a> ( const void*<span> </span><span class="keyword keyword apiItemName">func</span> ) </span></dt>
<dd class="shortdesc"><span></span><span class="desc">Launches a device function. </span></dd>
<dt><span class="member_type"><a href="group__CUDART__TYPES.html#group__CUDART__TYPES_1gf599e5b8b829ce7db0f5216928f6ecb6" title="" shape="rect">cudaError_t</a> </span><span class="member_name"><a href="#group__CUDART__EXECUTION_1gb9574eae787e2c3c91f4954542b17515" shape="rect">cudaSetDoubleForDevice</a> ( double*<span> </span><span class="keyword keyword apiItemName">d</span> ) </span></dt>
<dd class="shortdesc"><span></span><span class="desc">Converts a double argument to be executed on a device. </span></dd>
<dt><span class="member_type"><a href="group__CUDART__TYPES.html#group__CUDART__TYPES_1gf599e5b8b829ce7db0f5216928f6ecb6" title="" shape="rect">cudaError_t</a> </span><span class="member_name"><a href="#group__CUDART__EXECUTION_1g857c928b6e8a9e4c4c2ec4d4cc5c4063" shape="rect">cudaSetDoubleForHost</a> ( double*<span> </span><span class="keyword keyword apiItemName">d</span> ) </span></dt>
<dd class="shortdesc"><span></span><span class="desc">Converts a double argument after execution on a device. </span></dd>
<dt><span class="member_type"><a href="group__CUDART__TYPES.html#group__CUDART__TYPES_1gf599e5b8b829ce7db0f5216928f6ecb6" title="" shape="rect">cudaError_t</a> </span><span class="member_name"><a href="#group__CUDART__EXECUTION_1gad1ff3ec13bd21524425779542eca8ef" shape="rect">cudaSetupArgument</a> ( const void*<span> </span><span class="keyword keyword apiItemName">arg</span>, size_t<span> </span><span class="keyword keyword apiItemName">size</span>, size_t<span> </span><span class="keyword keyword apiItemName">offset</span> ) </span></dt>
<dd class="shortdesc"><span></span><span class="desc">Configure a device launch. </span></dd>
</dl>
<div class="description">
<h3 class="sectiontitle">Functions</h3>
<dl class="description">
<dt class="description"><a name="group__CUDART__EXECUTION_1g19a7dd5a102b499c39f6a7648bec757a" id="group__CUDART__EXECUTION_1g19a7dd5a102b499c39f6a7648bec757a" shape="rect">
<!-- --></a><span><a href="group__CUDART__TYPES.html#group__CUDART__TYPES_1gf599e5b8b829ce7db0f5216928f6ecb6" title="" shape="rect">cudaError_t</a> cudaConfigureCall ( dim3<span> </span><span class="keyword keyword apiItemName">gridDim</span>, dim3<span> </span><span class="keyword keyword apiItemName">blockDim</span>, size_t<span> </span><span class="keyword keyword apiItemName">sharedMem</span> = <span class="ph ph apiData">0</span>, <a href="group__CUDART__TYPES.html#group__CUDART__TYPES_1ge15d9c8b7a240312b533d6122558085a" title="" shape="rect">cudaStream_t</a><span> </span><span class="keyword keyword apiItemName">stream</span> = <span class="ph ph apiData">0</span> ) </span></dt>
<dd class="description">
<div class="section">Configure a device-launch. </div>
<div class="section">
<h6 class="parameter_header">
Parameters
</h6>
<dl class="table-display-params">
<dt><tt class="code"><span class="keyword keyword apiItemName">gridDim</span></tt></dt>
<dd>- Grid dimensions </dd>
<dt><tt class="code"><span class="keyword keyword apiItemName">blockDim</span></tt></dt>
<dd>- Block dimensions </dd>
<dt><tt class="code"><span class="keyword keyword apiItemName">sharedMem</span></tt></dt>
<dd>- Shared memory </dd>
<dt><tt class="code"><span class="keyword keyword apiItemName">stream</span></tt></dt>
<dd>- Stream identifier</dd>
</dl>
</div>
<div class="section">
<h6 class="return_header">Returns</h6>
<p class="return"><a class="xref" href="group__CUDART__TYPES.html#group__CUDART__TYPES_1gg3f51e3575c2178246db0a94a430e0038e355f04607d824883b4a50662830d591" shape="rect">cudaSuccess</a>, <a class="xref" href="group__CUDART__TYPES.html#group__CUDART__TYPES_1gg3f51e3575c2178246db0a94a430e0038d3934977826b2e1488dfeb7e0614e776" shape="rect">cudaErrorInvalidConfiguration</a></p>
</div>
<div class="section">
<h6 class="description_header">Description</h6>
<p>Specifies the grid and block dimensions for the device call to be executed similar to the execution configuration syntax.
<a class="xref" href="group__CUDART__EXECUTION.html#group__CUDART__EXECUTION_1g19a7dd5a102b499c39f6a7648bec757a" title="Configure a device-launch." shape="rect">cudaConfigureCall()</a> is stack based. Each call pushes data on top of an execution stack. This data contains the dimension for the grid and thread
blocks, together with any arguments for the call.
</p>
<p class="p"></p>
<p class="p"></p>
<p class="p">
<div class="note note"><span class="notetitle">Note:</span><ul class="ul">
<li class="li">
<p class="p">This function uses standard <a class="xref xmlonly" href="stream-sync-behavior.html#stream-sync-behavior__null-stream" shape="rect">NULL stream</a> semantics.
</p>
</li>
<li class="li">
<p class="p">Note that this function may also return error codes from previous, asynchronous launches.</p>
</li>
</ul>
</div>
</p>
<p class="p"></p>
<p class="p apiDesc_subtitle"><strong class="ph b">See also:</strong></p>
<p class="p see_subsection"><a class="xref" href="group__CUDART__EXECUTION.html#group__CUDART__EXECUTION_1g4f35d04be20a41c5df96613a748eecc1" title="Sets the preferred cache configuration for a device function." shape="rect">cudaFuncSetCacheConfig ( C API)</a>, <a class="xref" href="group__CUDART__EXECUTION.html#group__CUDART__EXECUTION_1g2c1ba377d147198dcc0b631f0193eddc" title="Find out attributes for a given function." shape="rect">cudaFuncGetAttributes ( C API)</a>, <a class="xref" href="group__CUDART__EXECUTION.html#group__CUDART__EXECUTION_1gf4f3215d06b6d90849a3d977f9440002" title="Launches a device function." shape="rect">cudaLaunch ( C API)</a>, <a class="xref" href="group__CUDART__EXECUTION.html#group__CUDART__EXECUTION_1gb9574eae787e2c3c91f4954542b17515" title="Converts a double argument to be executed on a device." shape="rect">cudaSetDoubleForDevice</a>, <a class="xref" href="group__CUDART__EXECUTION.html#group__CUDART__EXECUTION_1g857c928b6e8a9e4c4c2ec4d4cc5c4063" title="Converts a double argument after execution on a device." shape="rect">cudaSetDoubleForHost</a>, <a class="xref" href="group__CUDART__EXECUTION.html#group__CUDART__EXECUTION_1gad1ff3ec13bd21524425779542eca8ef" title="Configure a device launch." shape="rect">cudaSetupArgument ( C API)</a>,
</p>
<p class="p"></p>
</div>
</dd>
<dt class="description"><a name="group__CUDART__EXECUTION_1g2c1ba377d147198dcc0b631f0193eddc" id="group__CUDART__EXECUTION_1g2c1ba377d147198dcc0b631f0193eddc" shape="rect">
<!-- --></a><span><a href="group__CUDART__TYPES.html#group__CUDART__TYPES_1gf599e5b8b829ce7db0f5216928f6ecb6" title="" shape="rect">cudaError_t</a> cudaFuncGetAttributes ( <a href="structcudaFuncAttributes.html#structcudaFuncAttributes" title="" shape="rect">cudaFuncAttributes</a>*<span> </span><span class="keyword keyword apiItemName">attr</span>, const void*<span> </span><span class="keyword keyword apiItemName">func</span> ) </span></dt>
<dd class="description">
<div class="section">Find out attributes for a given function. </div>
<div class="section">
<h6 class="parameter_header">
Parameters
</h6>
<dl class="table-display-params">
<dt><tt class="code"><span class="keyword keyword apiItemName">attr</span></tt></dt>
<dd>- Return pointer to function's attributes </dd>
<dt><tt class="code"><span class="keyword keyword apiItemName">func</span></tt></dt>
<dd>- Device function symbol</dd>
</dl>
</div>
<div class="section">
<h6 class="return_header">Returns</h6>
<p class="return"><a class="xref" href="group__CUDART__TYPES.html#group__CUDART__TYPES_1gg3f51e3575c2178246db0a94a430e0038e355f04607d824883b4a50662830d591" shape="rect">cudaSuccess</a>, <a class="xref" href="group__CUDART__TYPES.html#group__CUDART__TYPES_1gg3f51e3575c2178246db0a94a430e0038ce7993a88ecf2c57b8102d55d997a18c" shape="rect">cudaErrorInitializationError</a>, <a class="xref" href="group__CUDART__TYPES.html#group__CUDART__TYPES_1gg3f51e3575c2178246db0a94a430e0038b6af535e7e53d3f21e2437e8977b8c2e" shape="rect">cudaErrorInvalidDeviceFunction</a></p>
</div>
<div class="section">
<h6 class="description_header">Description</h6>
<p>This function obtains the attributes of a function specified via <tt class="ph tt code">func</tt>. <tt class="ph tt code">func</tt> is a device function symbol and must be declared as a <tt class="ph tt code">__global__</tt> function. The fetched attributes are placed in <tt class="ph tt code">attr</tt>. If the specified function does not exist, then <a class="xref" href="group__CUDART__TYPES.html#group__CUDART__TYPES_1gg3f51e3575c2178246db0a94a430e0038b6af535e7e53d3f21e2437e8977b8c2e" shape="rect">cudaErrorInvalidDeviceFunction</a> is returned.
</p>
<p class="p">Note that some function attributes such as <a class="xref" href="structcudaFuncAttributes.html#structcudaFuncAttributes_1b8350f491105f159ff684f5c59167af0" shape="rect">maxThreadsPerBlock</a> may vary based on the device that is currently being used.
</p>
<p class="p"></p>
<p class="p"></p>
<p class="p">
<div class="note note"><span class="notetitle">Note:</span><ul class="ul">
<li class="li">
<p class="p">Note that this function may also return error codes from previous, asynchronous launches. </p>
</li>
<li class="li">
<p class="p">Use of a string naming a function as the <tt class="ph tt code">func</tt> paramater was deprecated in CUDA 4.1 and removed in CUDA 5.0.
</p>
</li>
</ul>
</div>
</p>
<p class="p"></p>
<p class="p apiDesc_subtitle"><strong class="ph b">See also:</strong></p>
<p class="p see_subsection"><a class="xref" href="group__CUDART__EXECUTION.html#group__CUDART__EXECUTION_1g19a7dd5a102b499c39f6a7648bec757a" title="Configure a device-launch." shape="rect">cudaConfigureCall</a>, <a class="xref" href="group__CUDART__EXECUTION.html#group__CUDART__EXECUTION_1g4f35d04be20a41c5df96613a748eecc1" title="Sets the preferred cache configuration for a device function." shape="rect">cudaFuncSetCacheConfig ( C API)</a>, <a class="xref" href="group__CUDART__HIGHLEVEL.html#group__CUDART__HIGHLEVEL_1g0b85e087210b47056cb6fc03a0e264e8" title="[C++ API] Find out attributes for a given function" shape="rect">cudaFuncGetAttributes ( C++ API)</a>, <a class="xref" href="group__CUDART__EXECUTION.html#group__CUDART__EXECUTION_1gf4f3215d06b6d90849a3d977f9440002" title="Launches a device function." shape="rect">cudaLaunch ( C API)</a>, <a class="xref" href="group__CUDART__EXECUTION.html#group__CUDART__EXECUTION_1gb9574eae787e2c3c91f4954542b17515" title="Converts a double argument to be executed on a device." shape="rect">cudaSetDoubleForDevice</a>, <a class="xref" href="group__CUDART__EXECUTION.html#group__CUDART__EXECUTION_1g857c928b6e8a9e4c4c2ec4d4cc5c4063" title="Converts a double argument after execution on a device." shape="rect">cudaSetDoubleForHost</a>, <a class="xref" href="group__CUDART__EXECUTION.html#group__CUDART__EXECUTION_1gad1ff3ec13bd21524425779542eca8ef" title="Configure a device launch." shape="rect">cudaSetupArgument ( C API)</a></p>
<p class="p"></p>
</div>
</dd>
<dt class="description"><a name="group__CUDART__EXECUTION_1g4f35d04be20a41c5df96613a748eecc1" id="group__CUDART__EXECUTION_1g4f35d04be20a41c5df96613a748eecc1" shape="rect">
<!-- --></a><span><a href="group__CUDART__TYPES.html#group__CUDART__TYPES_1gf599e5b8b829ce7db0f5216928f6ecb6" title="" shape="rect">cudaError_t</a> cudaFuncSetCacheConfig ( const void*<span> </span><span class="keyword keyword apiItemName">func</span>, <a href="group__CUDART__TYPES.html#group__CUDART__TYPES_1gb980f35ed69ee7991704de29a13de49b" title="" shape="rect">cudaFuncCache</a><span> </span><span class="keyword keyword apiItemName">cacheConfig</span> ) </span></dt>
<dd class="description">
<div class="section">Sets the preferred cache configuration for a device function. </div>
<div class="section">
<h6 class="parameter_header">
Parameters
</h6>
<dl class="table-display-params">
<dt><tt class="code"><span class="keyword keyword apiItemName">func</span></tt></dt>
<dd>- Device function symbol </dd>
<dt><tt class="code"><span class="keyword keyword apiItemName">cacheConfig</span></tt></dt>
<dd>- Requested cache configuration</dd>
</dl>
</div>
<div class="section">
<h6 class="return_header">Returns</h6>
<p class="return"><a class="xref" href="group__CUDART__TYPES.html#group__CUDART__TYPES_1gg3f51e3575c2178246db0a94a430e0038e355f04607d824883b4a50662830d591" shape="rect">cudaSuccess</a>, <a class="xref" href="group__CUDART__TYPES.html#group__CUDART__TYPES_1gg3f51e3575c2178246db0a94a430e0038ce7993a88ecf2c57b8102d55d997a18c" shape="rect">cudaErrorInitializationError</a>, <a class="xref" href="group__CUDART__TYPES.html#group__CUDART__TYPES_1gg3f51e3575c2178246db0a94a430e0038b6af535e7e53d3f21e2437e8977b8c2e" shape="rect">cudaErrorInvalidDeviceFunction</a></p>
</div>
<div class="section">
<h6 class="description_header">Description</h6>
<p>On devices where the L1 cache and shared memory use the same hardware resources, this sets through <tt class="ph tt code">cacheConfig</tt> the preferred cache configuration for the function specified via <tt class="ph tt code">func</tt>. This is only a preference. The runtime will use the requested configuration if possible, but it is free to choose a different
configuration if required to execute <tt class="ph tt code">func</tt>.
</p>
<p class="p"><tt class="ph tt code">func</tt> is a device function symbol and must be declared as a <tt class="ph tt code">__global__</tt> function. If the specified function does not exist, then <a class="xref" href="group__CUDART__TYPES.html#group__CUDART__TYPES_1gg3f51e3575c2178246db0a94a430e0038b6af535e7e53d3f21e2437e8977b8c2e" shape="rect">cudaErrorInvalidDeviceFunction</a> is returned.
</p>
<p class="p">This setting does nothing on devices where the size of the L1 cache and shared memory are fixed.</p>
<p class="p">Launching a kernel with a different preference than the most recent preference setting may insert a device-side synchronization
point.
</p>
<p class="p">The supported cache configurations are:
<ul class="ul">
<li class="li">
<p class="p"><a class="xref" href="group__CUDART__TYPES.html#group__CUDART__TYPES_1ggb980f35ed69ee7991704de29a13de49b3b4b8c65376ce1ca107be413e15981bc" shape="rect">cudaFuncCachePreferNone</a>: no preference for shared memory or L1 (default)
</p>
</li>
<li class="li">
<p class="p"><a class="xref" href="group__CUDART__TYPES.html#group__CUDART__TYPES_1ggb980f35ed69ee7991704de29a13de49b84725d25c531f9bafc61ae329afe5b2b" shape="rect">cudaFuncCachePreferShared</a>: prefer larger shared memory and smaller L1 cache
</p>
</li>
<li class="li">
<p class="p"><a class="xref" href="group__CUDART__TYPES.html#group__CUDART__TYPES_1ggb980f35ed69ee7991704de29a13de49b8ecb48ccbc2230c81528a2c7c695100e" shape="rect">cudaFuncCachePreferL1</a>: prefer larger L1 cache and smaller shared memory
</p>
</li>
<li class="li">
<p class="p"><a class="xref" href="group__CUDART__TYPES.html#group__CUDART__TYPES_1ggb980f35ed69ee7991704de29a13de49bd151ac8d667150c601de4b9542887a3b" shape="rect">cudaFuncCachePreferEqual</a>: prefer equal size L1 cache and shared memory
</p>
</li>
</ul>
</p>
<p class="p"></p>
<p class="p"></p>
<p class="p">
<div class="note note"><span class="notetitle">Note:</span><ul class="ul">
<li class="li">
<p class="p">Note that this function may also return error codes from previous, asynchronous launches. </p>
</li>
<li class="li">
<p class="p">Use of a string naming a function as the <tt class="ph tt code">func</tt> paramater was deprecated in CUDA 4.1 and removed in CUDA 5.0.
</p>
</li>
</ul>
</div>
</p>
<p class="p"></p>
<p class="p apiDesc_subtitle"><strong class="ph b">See also:</strong></p>
<p class="p see_subsection"><a class="xref" href="group__CUDART__EXECUTION.html#group__CUDART__EXECUTION_1g19a7dd5a102b499c39f6a7648bec757a" title="Configure a device-launch." shape="rect">cudaConfigureCall</a>, <a class="xref" href="group__CUDART__HIGHLEVEL.html#group__CUDART__HIGHLEVEL_1ge0969184de8a5c2d809aa8d7d2425484" title="[C++ API] Sets the preferred cache configuration for a device function" shape="rect">cudaFuncSetCacheConfig ( C++ API)</a>, <a class="xref" href="group__CUDART__EXECUTION.html#group__CUDART__EXECUTION_1g2c1ba377d147198dcc0b631f0193eddc" title="Find out attributes for a given function." shape="rect">cudaFuncGetAttributes ( C API)</a>, <a class="xref" href="group__CUDART__EXECUTION.html#group__CUDART__EXECUTION_1gf4f3215d06b6d90849a3d977f9440002" title="Launches a device function." shape="rect">cudaLaunch ( C API)</a>, <a class="xref" href="group__CUDART__EXECUTION.html#group__CUDART__EXECUTION_1gb9574eae787e2c3c91f4954542b17515" title="Converts a double argument to be executed on a device." shape="rect">cudaSetDoubleForDevice</a>, <a class="xref" href="group__CUDART__EXECUTION.html#group__CUDART__EXECUTION_1g857c928b6e8a9e4c4c2ec4d4cc5c4063" title="Converts a double argument after execution on a device." shape="rect">cudaSetDoubleForHost</a>, <a class="xref" href="group__CUDART__EXECUTION.html#group__CUDART__EXECUTION_1gad1ff3ec13bd21524425779542eca8ef" title="Configure a device launch." shape="rect">cudaSetupArgument ( C API)</a>, <a class="xref" href="group__CUDART__THREAD__DEPRECATED.html#group__CUDART__THREAD__DEPRECATED_1g7a82ef85e4f7e0cff0a84b2f7f6bc63a" title="Returns the preferred cache configuration for the current device." shape="rect">cudaThreadGetCacheConfig</a>, <a class="xref" href="group__CUDART__THREAD__DEPRECATED.html#group__CUDART__THREAD__DEPRECATED_1g27d0f538b3018142bf04deae7f02c49e" title="Sets the preferred cache configuration for the current device." shape="rect">cudaThreadSetCacheConfig</a></p>
<p class="p"></p>
</div>
</dd>
<dt class="description"><a name="group__CUDART__EXECUTION_1gcb2e02dc6c75e4f705dfd2252748fe99" id="group__CUDART__EXECUTION_1gcb2e02dc6c75e4f705dfd2252748fe99" shape="rect">
<!-- --></a><span><a href="group__CUDART__TYPES.html#group__CUDART__TYPES_1gf599e5b8b829ce7db0f5216928f6ecb6" title="" shape="rect">cudaError_t</a> cudaFuncSetSharedMemConfig ( const void*<span> </span><span class="keyword keyword apiItemName">func</span>, <a href="group__CUDART__TYPES.html#group__CUDART__TYPES_1g6e62d15f3c224625e8c9aa946f1709a6" title="" shape="rect">cudaSharedMemConfig</a><span> </span><span class="keyword keyword apiItemName">config</span> ) </span></dt>
<dd class="description">
<div class="section">Sets the shared memory configuration for a device function. </div>
<div class="section">
<h6 class="parameter_header">
Parameters
</h6>
<dl class="table-display-params">
<dt><tt class="code"><span class="keyword keyword apiItemName">func</span></tt></dt>
<dd>- Device function symbol </dd>
<dt><tt class="code"><span class="keyword keyword apiItemName">config</span></tt></dt>
<dd>- Requested shared memory configuration</dd>
</dl>
</div>
<div class="section">
<h6 class="return_header">Returns</h6>
<p class="return"><a class="xref" href="group__CUDART__TYPES.html#group__CUDART__TYPES_1gg3f51e3575c2178246db0a94a430e0038e355f04607d824883b4a50662830d591" shape="rect">cudaSuccess</a>, <a class="xref" href="group__CUDART__TYPES.html#group__CUDART__TYPES_1gg3f51e3575c2178246db0a94a430e0038ce7993a88ecf2c57b8102d55d997a18c" shape="rect">cudaErrorInitializationError</a>, <a class="xref" href="group__CUDART__TYPES.html#group__CUDART__TYPES_1gg3f51e3575c2178246db0a94a430e0038b6af535e7e53d3f21e2437e8977b8c2e" shape="rect">cudaErrorInvalidDeviceFunction</a>, <a class="xref" href="group__CUDART__TYPES.html#group__CUDART__TYPES_1gg3f51e3575c2178246db0a94a430e00383e8aef5398ee38e28ed41e357b48917c" shape="rect">cudaErrorInvalidValue</a>,
</p>
</div>
<div class="section">
<h6 class="description_header">Description</h6>
<p>On devices with configurable shared memory banks, this function will force all subsequent launches of the specified device
function to have the given shared memory bank size configuration. On any given launch of the function, the shared memory configuration
of the device will be temporarily changed if needed to suit the function's preferred configuration. Changes in shared memory
configuration between subsequent launches of functions, may introduce a device side synchronization point.
</p>
<p class="p">Any per-function setting of shared memory bank size set via <a class="xref" href="group__CUDART__EXECUTION.html#group__CUDART__EXECUTION_1gcb2e02dc6c75e4f705dfd2252748fe99" title="Sets the shared memory configuration for a device function." shape="rect">cudaFuncSetSharedMemConfig</a> will override the device wide setting set by <a class="xref" href="group__CUDART__DEVICE.html#group__CUDART__DEVICE_1g1a4789fb687cc36dccc98f25c96f0cd8" title="Sets the shared memory configuration for the current device." shape="rect">cudaDeviceSetSharedMemConfig</a>.
</p>
<p class="p">Changing the shared memory bank size will not increase shared memory usage or affect occupancy of kernels, but may have major
effects on performance. Larger bank sizes will allow for greater potential bandwidth to shared memory, but will change what
kinds of accesses to shared memory will result in bank conflicts.
</p>
<p class="p">This function will do nothing on devices with fixed shared memory bank size.</p>
<p class="p">The supported bank configurations are:
<ul class="ul">
<li class="li">
<p class="p">cudaSharedMemBankSizeDefault: use the device's shared memory configuration when launching this function.</p>
</li>
<li class="li">
<p class="p">cudaSharedMemBankSizeFourByte: set shared memory bank width to be four bytes natively when launching this function.</p>
</li>
<li class="li">
<p class="p">cudaSharedMemBankSizeEightByte: set shared memory bank width to be eight bytes natively when launching this function.</p>
</li>
</ul>
</p>
<p class="p"></p>
<p class="p"></p>
<p class="p">
<div class="note note"><span class="notetitle">Note:</span><ul class="ul">
<li class="li">
<p class="p">Note that this function may also return error codes from previous, asynchronous launches. </p>
</li>
<li class="li">
<p class="p">Use of a string naming a function as the <tt class="ph tt code">func</tt> paramater was deprecated in CUDA 4.1 and removed in CUDA 5.0.
</p>
</li>
</ul>
</div>
</p>
<p class="p"></p>
<p class="p apiDesc_subtitle"><strong class="ph b">See also:</strong></p>
<p class="p see_subsection"><a class="xref" href="group__CUDART__EXECUTION.html#group__CUDART__EXECUTION_1g19a7dd5a102b499c39f6a7648bec757a" title="Configure a device-launch." shape="rect">cudaConfigureCall</a>, <a class="xref" href="group__CUDART__DEVICE.html#group__CUDART__DEVICE_1g1a4789fb687cc36dccc98f25c96f0cd8" title="Sets the shared memory configuration for the current device." shape="rect">cudaDeviceSetSharedMemConfig</a>, <a class="xref" href="group__CUDART__DEVICE.html#group__CUDART__DEVICE_1ge2a985ebc36d53e84f37f6482b059aaa" title="Returns the shared memory configuration for the current device." shape="rect">cudaDeviceGetSharedMemConfig</a>, <a class="xref" href="group__CUDART__DEVICE.html#group__CUDART__DEVICE_1gac27b566beee1aa9175373bb9e29b8d1" title="Sets the preferred cache configuration for the current device." shape="rect">cudaDeviceSetCacheConfig</a>, <a class="xref" href="group__CUDART__DEVICE.html#group__CUDART__DEVICE_1g91d4f0ad53af9cef174b764598444349" title="Returns the preferred cache configuration for the current device." shape="rect">cudaDeviceGetCacheConfig</a>, <a class="xref" href="group__CUDART__HIGHLEVEL.html#group__CUDART__HIGHLEVEL_1ge0969184de8a5c2d809aa8d7d2425484" title="[C++ API] Sets the preferred cache configuration for a device function" shape="rect">cudaFuncSetCacheConfig</a></p>
<p class="p"></p>
</div>
</dd>
<dt class="description"><a name="group__CUDART__EXECUTION_1gf4f3215d06b6d90849a3d977f9440002" id="group__CUDART__EXECUTION_1gf4f3215d06b6d90849a3d977f9440002" shape="rect">
<!-- --></a><span><a href="group__CUDART__TYPES.html#group__CUDART__TYPES_1gf599e5b8b829ce7db0f5216928f6ecb6" title="" shape="rect">cudaError_t</a> cudaLaunch ( const void*<span> </span><span class="keyword keyword apiItemName">func</span> ) </span></dt>
<dd class="description">
<div class="section">Launches a device function. </div>
<div class="section">
<h6 class="parameter_header">
Parameters
</h6>
<dl class="table-display-params">
<dt><tt class="code"><span class="keyword keyword apiItemName">func</span></tt></dt>
<dd>- Device function symbol</dd>
</dl>
</div>
<div class="section">
<h6 class="return_header">Returns</h6>
<p class="return"><a class="xref" href="group__CUDART__TYPES.html#group__CUDART__TYPES_1gg3f51e3575c2178246db0a94a430e0038e355f04607d824883b4a50662830d591" shape="rect">cudaSuccess</a>, <a class="xref" href="group__CUDART__TYPES.html#group__CUDART__TYPES_1gg3f51e3575c2178246db0a94a430e0038b6af535e7e53d3f21e2437e8977b8c2e" shape="rect">cudaErrorInvalidDeviceFunction</a>, <a class="xref" href="group__CUDART__TYPES.html#group__CUDART__TYPES_1gg3f51e3575c2178246db0a94a430e0038d3934977826b2e1488dfeb7e0614e776" shape="rect">cudaErrorInvalidConfiguration</a>, <a class="xref" href="group__CUDART__TYPES.html#group__CUDART__TYPES_1gg3f51e3575c2178246db0a94a430e0038099def426efea2b2366d8d7ad09f974a" shape="rect">cudaErrorLaunchFailure</a>, <a class="xref" href="group__CUDART__TYPES.html#group__CUDART__TYPES_1gg3f51e3575c2178246db0a94a430e00384ea7f1214c348f64f565ca860933e5a5" shape="rect">cudaErrorLaunchTimeout</a>, <a class="xref" href="group__CUDART__TYPES.html#group__CUDART__TYPES_1gg3f51e3575c2178246db0a94a430e0038dfddff5cba4a975a67b298ee0752f714" shape="rect">cudaErrorLaunchOutOfResources</a>, <a class="xref" href="group__CUDART__TYPES.html#group__CUDART__TYPES_1gg3f51e3575c2178246db0a94a430e00383be0ba00f56924404620f89b7d405362" shape="rect">cudaErrorSharedObjectInitFailed</a></p>
</div>
<div class="section">
<h6 class="description_header">Description</h6>
<p>Launches the function <tt class="ph tt code">func</tt> on the device. The parameter <tt class="ph tt code">func</tt> must be a device function symbol. The parameter specified by <tt class="ph tt code">func</tt> must be declared as a <tt class="ph tt code">__global__</tt> function. <a class="xref" href="group__CUDART__EXECUTION.html#group__CUDART__EXECUTION_1gf4f3215d06b6d90849a3d977f9440002" title="Launches a device function." shape="rect">cudaLaunch()</a> must be preceded by a call to <a class="xref" href="group__CUDART__EXECUTION.html#group__CUDART__EXECUTION_1g19a7dd5a102b499c39f6a7648bec757a" title="Configure a device-launch." shape="rect">cudaConfigureCall()</a> since it pops the data that was pushed by <a class="xref" href="group__CUDART__EXECUTION.html#group__CUDART__EXECUTION_1g19a7dd5a102b499c39f6a7648bec757a" title="Configure a device-launch." shape="rect">cudaConfigureCall()</a> from the execution stack.
</p>
<p class="p"></p>
<p class="p"></p>
<p class="p">
<div class="note note"><span class="notetitle">Note:</span><ul class="ul">
<li class="li">
<p class="p">Note that this function may also return error codes from previous, asynchronous launches. </p>
</li>
<li class="li">
<p class="p">Use of a string naming a variable as the <tt class="ph tt code">symbol</tt> paramater was removed in CUDA 5.0.
</p>
</li>
</ul>
</div>
</p>
<p class="p"></p>
<p class="p apiDesc_subtitle"><strong class="ph b">See also:</strong></p>
<p class="p see_subsection"><a class="xref" href="group__CUDART__EXECUTION.html#group__CUDART__EXECUTION_1g19a7dd5a102b499c39f6a7648bec757a" title="Configure a device-launch." shape="rect">cudaConfigureCall</a>, <a class="xref" href="group__CUDART__EXECUTION.html#group__CUDART__EXECUTION_1g4f35d04be20a41c5df96613a748eecc1" title="Sets the preferred cache configuration for a device function." shape="rect">cudaFuncSetCacheConfig ( C API)</a>, <a class="xref" href="group__CUDART__EXECUTION.html#group__CUDART__EXECUTION_1g2c1ba377d147198dcc0b631f0193eddc" title="Find out attributes for a given function." shape="rect">cudaFuncGetAttributes ( C API)</a>, <a class="xref" href="group__CUDART__HIGHLEVEL.html#group__CUDART__HIGHLEVEL_1gf9f5de511075f30c1bf97ea4306e9728" title="[C++ API] Launches a device function" shape="rect">cudaLaunch ( C++ API)</a>, <a class="xref" href="group__CUDART__EXECUTION.html#group__CUDART__EXECUTION_1gb9574eae787e2c3c91f4954542b17515" title="Converts a double argument to be executed on a device." shape="rect">cudaSetDoubleForDevice</a>, <a class="xref" href="group__CUDART__EXECUTION.html#group__CUDART__EXECUTION_1g857c928b6e8a9e4c4c2ec4d4cc5c4063" title="Converts a double argument after execution on a device." shape="rect">cudaSetDoubleForHost</a>, <a class="xref" href="group__CUDART__EXECUTION.html#group__CUDART__EXECUTION_1gad1ff3ec13bd21524425779542eca8ef" title="Configure a device launch." shape="rect">cudaSetupArgument ( C API)</a>, <a class="xref" href="group__CUDART__THREAD__DEPRECATED.html#group__CUDART__THREAD__DEPRECATED_1g7a82ef85e4f7e0cff0a84b2f7f6bc63a" title="Returns the preferred cache configuration for the current device." shape="rect">cudaThreadGetCacheConfig</a>, <a class="xref" href="group__CUDART__THREAD__DEPRECATED.html#group__CUDART__THREAD__DEPRECATED_1g27d0f538b3018142bf04deae7f02c49e" title="Sets the preferred cache configuration for the current device." shape="rect">cudaThreadSetCacheConfig</a></p>
<p class="p"></p>
</div>
</dd>
<dt class="description"><a name="group__CUDART__EXECUTION_1gb9574eae787e2c3c91f4954542b17515" id="group__CUDART__EXECUTION_1gb9574eae787e2c3c91f4954542b17515" shape="rect">
<!-- --></a><span><a href="group__CUDART__TYPES.html#group__CUDART__TYPES_1gf599e5b8b829ce7db0f5216928f6ecb6" title="" shape="rect">cudaError_t</a> cudaSetDoubleForDevice ( double*<span> </span><span class="keyword keyword apiItemName">d</span> ) </span></dt>
<dd class="description">
<div class="section">Converts a double argument to be executed on a device. </div>
<div class="section">
<h6 class="parameter_header">
Parameters
</h6>
<dl class="table-display-params">
<dt><tt class="code"><span class="keyword keyword apiItemName">d</span></tt></dt>
<dd>- Double to convert</dd>
</dl>
</div>
<div class="section">
<h6 class="return_header">Returns</h6>
<p class="return"><a class="xref" href="group__CUDART__TYPES.html#group__CUDART__TYPES_1gg3f51e3575c2178246db0a94a430e0038e355f04607d824883b4a50662830d591" shape="rect">cudaSuccess</a></p>
</div>
<div class="section">
<h6 class="description_header">Description</h6>
<p>
Converts the double value of <tt class="ph tt code">d</tt> to an internal float representation if the device does not support double arithmetic. If the device does natively support
doubles, then this function does nothing.
</p>
<p class="p"></p>
<p class="p">
<div class="note note"><span class="notetitle">Note:</span><p class="p">Note that this function may also return error codes from previous, asynchronous launches.</p>
</div>
</p>
<p class="p"></p>
<p class="p apiDesc_subtitle"><strong class="ph b">See also:</strong></p>
<p class="p see_subsection"><a class="xref" href="group__CUDART__EXECUTION.html#group__CUDART__EXECUTION_1g19a7dd5a102b499c39f6a7648bec757a" title="Configure a device-launch." shape="rect">cudaConfigureCall</a>, <a class="xref" href="group__CUDART__EXECUTION.html#group__CUDART__EXECUTION_1g4f35d04be20a41c5df96613a748eecc1" title="Sets the preferred cache configuration for a device function." shape="rect">cudaFuncSetCacheConfig ( C API)</a>, <a class="xref" href="group__CUDART__EXECUTION.html#group__CUDART__EXECUTION_1g2c1ba377d147198dcc0b631f0193eddc" title="Find out attributes for a given function." shape="rect">cudaFuncGetAttributes ( C API)</a>, <a class="xref" href="group__CUDART__EXECUTION.html#group__CUDART__EXECUTION_1gf4f3215d06b6d90849a3d977f9440002" title="Launches a device function." shape="rect">cudaLaunch ( C API)</a>, <a class="xref" href="group__CUDART__EXECUTION.html#group__CUDART__EXECUTION_1g857c928b6e8a9e4c4c2ec4d4cc5c4063" title="Converts a double argument after execution on a device." shape="rect">cudaSetDoubleForHost</a>, <a class="xref" href="group__CUDART__EXECUTION.html#group__CUDART__EXECUTION_1gad1ff3ec13bd21524425779542eca8ef" title="Configure a device launch." shape="rect">cudaSetupArgument ( C API)</a></p>
<p class="p"></p>
</div>
</dd>
<dt class="description"><a name="group__CUDART__EXECUTION_1g857c928b6e8a9e4c4c2ec4d4cc5c4063" id="group__CUDART__EXECUTION_1g857c928b6e8a9e4c4c2ec4d4cc5c4063" shape="rect">
<!-- --></a><span><a href="group__CUDART__TYPES.html#group__CUDART__TYPES_1gf599e5b8b829ce7db0f5216928f6ecb6" title="" shape="rect">cudaError_t</a> cudaSetDoubleForHost ( double*<span> </span><span class="keyword keyword apiItemName">d</span> ) </span></dt>
<dd class="description">
<div class="section">Converts a double argument after execution on a device. </div>
<div class="section">
<h6 class="parameter_header">
Parameters
</h6>
<dl class="table-display-params">
<dt><tt class="code"><span class="keyword keyword apiItemName">d</span></tt></dt>
<dd>- Double to convert</dd>
</dl>
</div>
<div class="section">
<h6 class="return_header">Returns</h6>
<p class="return"><a class="xref" href="group__CUDART__TYPES.html#group__CUDART__TYPES_1gg3f51e3575c2178246db0a94a430e0038e355f04607d824883b4a50662830d591" shape="rect">cudaSuccess</a></p>
</div>
<div class="section">
<h6 class="description_header">Description</h6>
<p>Converts the double value of <tt class="ph tt code">d</tt> from a potentially internal float representation if the device does not support double arithmetic. If the device does natively
support doubles, then this function does nothing.
</p>
<p class="p"></p>
<p class="p"></p>
<p class="p">
<div class="note note"><span class="notetitle">Note:</span><p class="p">Note that this function may also return error codes from previous, asynchronous launches.</p>
</div>
</p>
<p class="p"></p>
<p class="p apiDesc_subtitle"><strong class="ph b">See also:</strong></p>
<p class="p see_subsection"><a class="xref" href="group__CUDART__EXECUTION.html#group__CUDART__EXECUTION_1g19a7dd5a102b499c39f6a7648bec757a" title="Configure a device-launch." shape="rect">cudaConfigureCall</a>, <a class="xref" href="group__CUDART__EXECUTION.html#group__CUDART__EXECUTION_1g4f35d04be20a41c5df96613a748eecc1" title="Sets the preferred cache configuration for a device function." shape="rect">cudaFuncSetCacheConfig ( C API)</a>, <a class="xref" href="group__CUDART__EXECUTION.html#group__CUDART__EXECUTION_1g2c1ba377d147198dcc0b631f0193eddc" title="Find out attributes for a given function." shape="rect">cudaFuncGetAttributes ( C API)</a>, <a class="xref" href="group__CUDART__EXECUTION.html#group__CUDART__EXECUTION_1gf4f3215d06b6d90849a3d977f9440002" title="Launches a device function." shape="rect">cudaLaunch ( C API)</a>, <a class="xref" href="group__CUDART__EXECUTION.html#group__CUDART__EXECUTION_1gb9574eae787e2c3c91f4954542b17515" title="Converts a double argument to be executed on a device." shape="rect">cudaSetDoubleForDevice</a>, <a class="xref" href="group__CUDART__EXECUTION.html#group__CUDART__EXECUTION_1gad1ff3ec13bd21524425779542eca8ef" title="Configure a device launch." shape="rect">cudaSetupArgument ( C API)</a></p>
<p class="p"></p>
</div>
</dd>
<dt class="description"><a name="group__CUDART__EXECUTION_1gad1ff3ec13bd21524425779542eca8ef" id="group__CUDART__EXECUTION_1gad1ff3ec13bd21524425779542eca8ef" shape="rect">
<!-- --></a><span><a href="group__CUDART__TYPES.html#group__CUDART__TYPES_1gf599e5b8b829ce7db0f5216928f6ecb6" title="" shape="rect">cudaError_t</a> cudaSetupArgument ( const void*<span> </span><span class="keyword keyword apiItemName">arg</span>, size_t<span> </span><span class="keyword keyword apiItemName">size</span>, size_t<span> </span><span class="keyword keyword apiItemName">offset</span> ) </span></dt>
<dd class="description">
<div class="section">Configure a device launch. </div>
<div class="section">
<h6 class="parameter_header">
Parameters
</h6>
<dl class="table-display-params">
<dt><tt class="code"><span class="keyword keyword apiItemName">arg</span></tt></dt>
<dd>- Argument to push for a kernel launch </dd>
<dt><tt class="code"><span class="keyword keyword apiItemName">size</span></tt></dt>
<dd>- Size of argument </dd>
<dt><tt class="code"><span class="keyword keyword apiItemName">offset</span></tt></dt>
<dd>- Offset in argument stack to push new arg</dd>
</dl>
</div>
<div class="section">
<h6 class="return_header">Returns</h6>
<p class="return"><a class="xref" href="group__CUDART__TYPES.html#group__CUDART__TYPES_1gg3f51e3575c2178246db0a94a430e0038e355f04607d824883b4a50662830d591" shape="rect">cudaSuccess</a></p>
</div>
<div class="section">
<h6 class="description_header">Description</h6>
<p>Pushes <tt class="ph tt code">size</tt> bytes of the argument pointed to by <tt class="ph tt code">arg</tt> at <tt class="ph tt code">offset</tt> bytes from the start of the parameter passing area, which starts at offset 0. The arguments are stored in the top of the
execution stack. <a class="xref" href="group__CUDART__EXECUTION.html#group__CUDART__EXECUTION_1gad1ff3ec13bd21524425779542eca8ef" title="Configure a device launch." shape="rect">cudaSetupArgument()</a> must be preceded by a call to <a class="xref" href="group__CUDART__EXECUTION.html#group__CUDART__EXECUTION_1g19a7dd5a102b499c39f6a7648bec757a" title="Configure a device-launch." shape="rect">cudaConfigureCall()</a>.
</p>
<p class="p"></p>
<p class="p"></p>
<p class="p">
<div class="note note"><span class="notetitle">Note:</span><p class="p">Note that this function may also return error codes from previous, asynchronous launches.</p>
</div>
</p>
<p class="p"></p>
<p class="p apiDesc_subtitle"><strong class="ph b">See also:</strong></p>
<p class="p see_subsection"><a class="xref" href="group__CUDART__EXECUTION.html#group__CUDART__EXECUTION_1g19a7dd5a102b499c39f6a7648bec757a" title="Configure a device-launch." shape="rect">cudaConfigureCall</a>, <a class="xref" href="group__CUDART__EXECUTION.html#group__CUDART__EXECUTION_1g4f35d04be20a41c5df96613a748eecc1" title="Sets the preferred cache configuration for a device function." shape="rect">cudaFuncSetCacheConfig ( C API)</a>, <a class="xref" href="group__CUDART__EXECUTION.html#group__CUDART__EXECUTION_1g2c1ba377d147198dcc0b631f0193eddc" title="Find out attributes for a given function." shape="rect">cudaFuncGetAttributes ( C API)</a>, <a class="xref" href="group__CUDART__EXECUTION.html#group__CUDART__EXECUTION_1gf4f3215d06b6d90849a3d977f9440002" title="Launches a device function." shape="rect">cudaLaunch ( C API)</a>, <a class="xref" href="group__CUDART__EXECUTION.html#group__CUDART__EXECUTION_1gb9574eae787e2c3c91f4954542b17515" title="Converts a double argument to be executed on a device." shape="rect">cudaSetDoubleForDevice</a>, <a class="xref" href="group__CUDART__EXECUTION.html#group__CUDART__EXECUTION_1g857c928b6e8a9e4c4c2ec4d4cc5c4063" title="Converts a double argument after execution on a device." shape="rect">cudaSetDoubleForHost</a>, <a class="xref" href="group__CUDART__HIGHLEVEL.html#group__CUDART__HIGHLEVEL_1g0ffbffed226005960c39688493c94c84" title="[C++ API] Configure a device launch" shape="rect">cudaSetupArgument ( C++ API)</a>,
</p>
<p class="p"></p>
</div>
</dd>
</dl>
</div>
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