<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" lang="en-us" xml:lang="en-us"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"></meta> <meta http-equiv="X-UA-Compatible" content="IE=edge"></meta> <meta name="copyright" content="(C) Copyright 2005"></meta> <meta name="DC.rights.owner" content="(C) Copyright 2005"></meta> <meta name="DC.Type" content="cppGlobalStruct"></meta> <meta name="DC.Title" content="CUDA_HOST_NODE_PARAMS"></meta> <meta name="abstract" content=""></meta> <meta name="description" content=""></meta> <meta name="DC.Format" content="XHTML"></meta> <meta name="DC.Identifier" content="structCUDA__HOST__NODE__PARAMS"></meta> <link rel="stylesheet" type="text/css" href="../common/formatting/commonltr.css"></link> <link rel="stylesheet" type="text/css" href="../common/formatting/site.css"></link> <title>CUDA Driver API :: CUDA Toolkit Documentation</title> <!--[if lt IE 9]> <script src="../common/formatting/html5shiv-printshiv.min.js"></script> <![endif]--> <script type="text/javascript" charset="utf-8" src="//assets.adobedtm.com/b92787824f2e0e9b68dc2e993f9bd995339fe417/satelliteLib-7ba51e58dc61bcb0e9311aadd02a0108ab24cc6c.js"></script> <script type="text/javascript" charset="utf-8" src="../common/formatting/jquery.min.js"></script> <script type="text/javascript" charset="utf-8" src="../common/formatting/jquery.ba-hashchange.min.js"></script> <script type="text/javascript" charset="utf-8" src="../common/formatting/jquery.scrollintoview.min.js"></script> <script type="text/javascript" src="../search/htmlFileList.js"></script> <script type="text/javascript" src="../search/htmlFileInfoList.js"></script> <script type="text/javascript" src="../search/nwSearchFnt.min.js"></script> <script type="text/javascript" src="../search/stemmers/en_stemmer.min.js"></script> <script type="text/javascript" src="../search/index-1.js"></script> <script type="text/javascript" src="../search/index-2.js"></script> <script type="text/javascript" src="../search/index-3.js"></script> <link rel="canonical" href="http://docs.nvidia.com/cuda/cuda-driver-api/index.html"></link> <link rel="stylesheet" type="text/css" href="../common/formatting/qwcode.highlight.css"></link> </head> <body> <header id="header"><span id="company">NVIDIA</span><span id="site-title">CUDA Toolkit Documentation</span><form id="search" method="get" action="search"> <input type="text" name="search-text"></input><fieldset id="search-location"> <legend>Search In:</legend> <label><input type="radio" name="search-type" value="site"></input>Entire Site</label> <label><input type="radio" name="search-type" value="document"></input>Just This Document</label></fieldset> <button type="reset">clear search</button> <button id="submit" type="submit">search</button></form> </header> <div id="site-content"> <nav id="site-nav"> <div class="category closed"><a href="../index.html" title="The root of the site.">CUDA Toolkit v10.1.168</a></div> <div class="category"><a href="index.html" title="CUDA Driver API">CUDA Driver API</a></div> <ul> <li> <div class="section-link"><a href="driver-vs-runtime-api.html#driver-vs-runtime-api">1. Difference between the driver and runtime APIs </a></div> </li> <li> <div class="section-link"><a href="api-sync-behavior.html#api-sync-behavior">2. API synchronization behavior </a></div> </li> <li> <div class="section-link"><a href="stream-sync-behavior.html#stream-sync-behavior">3. Stream synchronization behavior</a></div> </li> <li> <div class="section-link"><a href="graphs-thread-safety.html#graphs-thread-safety">4. Graph object thread safety</a></div> </li> <li> <div class="section-link"><a href="modules.html#modules">5. Modules</a></div> <ul> <li> <div class="section-link"><a href="group__CUDA__TYPES.html#group__CUDA__TYPES">5.1. Data types used by CUDA driver</a></div> </li> <li> <div class="section-link"><a href="group__CUDA__ERROR.html#group__CUDA__ERROR">5.2. Error Handling</a></div> </li> <li> <div class="section-link"><a href="group__CUDA__INITIALIZE.html#group__CUDA__INITIALIZE">5.3. Initialization</a></div> </li> <li> <div class="section-link"><a href="group__CUDA__VERSION.html#group__CUDA__VERSION">5.4. Version Management</a></div> </li> <li> <div class="section-link"><a href="group__CUDA__DEVICE.html#group__CUDA__DEVICE">5.5. Device Management</a></div> </li> <li> <div class="section-link"><a href="group__CUDA__DEVICE__DEPRECATED.html#group__CUDA__DEVICE__DEPRECATED">5.6. Device Management [DEPRECATED]</a></div> </li> <li> <div class="section-link"><a href="group__CUDA__PRIMARY__CTX.html#group__CUDA__PRIMARY__CTX">5.7. Primary Context Management</a></div> </li> <li> <div class="section-link"><a href="group__CUDA__CTX.html#group__CUDA__CTX">5.8. Context Management</a></div> </li> <li> <div class="section-link"><a href="group__CUDA__CTX__DEPRECATED.html#group__CUDA__CTX__DEPRECATED">5.9. Context Management [DEPRECATED]</a></div> </li> <li> <div class="section-link"><a href="group__CUDA__MODULE.html#group__CUDA__MODULE">5.10. Module Management</a></div> </li> <li> <div class="section-link"><a href="group__CUDA__MEM.html#group__CUDA__MEM">5.11. Memory Management</a></div> </li> <li> <div class="section-link"><a href="group__CUDA__UNIFIED.html#group__CUDA__UNIFIED">5.12. Unified Addressing</a></div> </li> <li> <div class="section-link"><a href="group__CUDA__STREAM.html#group__CUDA__STREAM">5.13. Stream Management</a></div> </li> <li> <div class="section-link"><a href="group__CUDA__EVENT.html#group__CUDA__EVENT">5.14. Event Management</a></div> </li> <li> <div class="section-link"><a href="group__CUDA__EXTRES__INTEROP.html#group__CUDA__EXTRES__INTEROP">5.15. External Resource Interoperability</a></div> </li> <li> <div class="section-link"><a href="group__CUDA__MEMOP.html#group__CUDA__MEMOP">5.16. Stream memory operations</a></div> </li> <li> <div class="section-link"><a href="group__CUDA__EXEC.html#group__CUDA__EXEC">5.17. Execution Control</a></div> </li> <li> <div class="section-link"><a href="group__CUDA__EXEC__DEPRECATED.html#group__CUDA__EXEC__DEPRECATED">5.18. Execution Control [DEPRECATED]</a></div> </li> <li> <div class="section-link"><a href="group__CUDA__GRAPH.html#group__CUDA__GRAPH">5.19. Graph Management</a></div> </li> <li> <div class="section-link"><a href="group__CUDA__OCCUPANCY.html#group__CUDA__OCCUPANCY">5.20. Occupancy</a></div> </li> <li> <div class="section-link"><a href="group__CUDA__TEXREF__DEPRECATED.html#group__CUDA__TEXREF__DEPRECATED">5.21. Texture Reference Management [DEPRECATED]</a></div> </li> <li> <div class="section-link"><a href="group__CUDA__SURFREF__DEPRECATED.html#group__CUDA__SURFREF__DEPRECATED">5.22. Surface Reference Management [DEPRECATED]</a></div> </li> <li> <div class="section-link"><a href="group__CUDA__TEXOBJECT.html#group__CUDA__TEXOBJECT">5.23. Texture Object Management</a></div> </li> <li> <div class="section-link"><a href="group__CUDA__SURFOBJECT.html#group__CUDA__SURFOBJECT">5.24. Surface Object Management</a></div> </li> <li> <div class="section-link"><a href="group__CUDA__PEER__ACCESS.html#group__CUDA__PEER__ACCESS">5.25. Peer Context Memory Access</a></div> </li> <li> <div class="section-link"><a href="group__CUDA__GRAPHICS.html#group__CUDA__GRAPHICS">5.26. Graphics Interoperability</a></div> </li> <li> <div class="section-link"><a href="group__CUDA__PROFILER.html#group__CUDA__PROFILER">5.27. Profiler Control</a></div> </li> <li> <div class="section-link"><a href="group__CUDA__GL.html#group__CUDA__GL">5.28. OpenGL Interoperability</a></div> <ul> <li> <div class="section-link"><a href="group__CUDA__GL__DEPRECATED.html#group__CUDA__GL__DEPRECATED">5.28.1. OpenGL Interoperability [DEPRECATED]</a></div> </li> </ul> </li> <li> <div class="section-link"><a href="group__CUDA__D3D9.html#group__CUDA__D3D9">5.29. Direct3D 9 Interoperability</a></div> <ul> <li> <div class="section-link"><a href="group__CUDA__D3D9__DEPRECATED.html#group__CUDA__D3D9__DEPRECATED">5.29.1. Direct3D 9 Interoperability [DEPRECATED]</a></div> </li> </ul> </li> <li> <div class="section-link"><a href="group__CUDA__D3D10.html#group__CUDA__D3D10">5.30. Direct3D 10 Interoperability</a></div> <ul> <li> <div class="section-link"><a href="group__CUDA__D3D10__DEPRECATED.html#group__CUDA__D3D10__DEPRECATED">5.30.1. Direct3D 10 Interoperability [DEPRECATED]</a></div> </li> </ul> </li> <li> <div class="section-link"><a href="group__CUDA__D3D11.html#group__CUDA__D3D11">5.31. Direct3D 11 Interoperability</a></div> <ul> <li> <div class="section-link"><a href="group__CUDA__D3D11__DEPRECATED.html#group__CUDA__D3D11__DEPRECATED">5.31.1. Direct3D 11 Interoperability [DEPRECATED]</a></div> </li> </ul> </li> <li> <div class="section-link"><a href="group__CUDA__VDPAU.html#group__CUDA__VDPAU">5.32. VDPAU Interoperability</a></div> </li> <li> <div class="section-link"><a href="group__CUDA__EGL.html#group__CUDA__EGL">5.33. EGL Interoperability</a></div> </li> </ul> </li> <li> <div class="section-link"><a href="annotated.html#annotated">6. Data Structures</a></div> <ul> <li> <div class="section-link"><a href="structCUDA__ARRAY3D__DESCRIPTOR.html#structCUDA__ARRAY3D__DESCRIPTOR">6.1. CUDA_ARRAY3D_DESCRIPTOR</a></div> </li> <li> <div class="section-link"><a href="structCUDA__ARRAY__DESCRIPTOR.html#structCUDA__ARRAY__DESCRIPTOR">6.2. CUDA_ARRAY_DESCRIPTOR</a></div> </li> <li> <div class="section-link"><a href="structCUDA__EXTERNAL__MEMORY__BUFFER__DESC.html#structCUDA__EXTERNAL__MEMORY__BUFFER__DESC">6.3. CUDA_EXTERNAL_MEMORY_BUFFER_DESC</a></div> </li> <li> <div class="section-link"><a href="structCUDA__EXTERNAL__MEMORY__HANDLE__DESC.html#structCUDA__EXTERNAL__MEMORY__HANDLE__DESC">6.4. CUDA_EXTERNAL_MEMORY_HANDLE_DESC</a></div> </li> <li> <div class="section-link"><a href="structCUDA__EXTERNAL__MEMORY__MIPMAPPED__ARRAY__DESC.html#structCUDA__EXTERNAL__MEMORY__MIPMAPPED__ARRAY__DESC">6.5. CUDA_EXTERNAL_MEMORY_MIPMAPPED_ARRAY_DESC</a></div> </li> <li> <div class="section-link"><a href="structCUDA__EXTERNAL__SEMAPHORE__HANDLE__DESC.html#structCUDA__EXTERNAL__SEMAPHORE__HANDLE__DESC">6.6. CUDA_EXTERNAL_SEMAPHORE_HANDLE_DESC</a></div> </li> <li> <div class="section-link"><a href="structCUDA__EXTERNAL__SEMAPHORE__SIGNAL__PARAMS.html#structCUDA__EXTERNAL__SEMAPHORE__SIGNAL__PARAMS">6.7. CUDA_EXTERNAL_SEMAPHORE_SIGNAL_PARAMS</a></div> </li> <li> <div class="section-link"><a href="structCUDA__EXTERNAL__SEMAPHORE__WAIT__PARAMS.html#structCUDA__EXTERNAL__SEMAPHORE__WAIT__PARAMS">6.8. CUDA_EXTERNAL_SEMAPHORE_WAIT_PARAMS</a></div> </li> <li> <div class="section-link"><a href="structCUDA__HOST__NODE__PARAMS.html#structCUDA__HOST__NODE__PARAMS">6.9. CUDA_HOST_NODE_PARAMS</a></div> </li> <li> <div class="section-link"><a href="structCUDA__KERNEL__NODE__PARAMS.html#structCUDA__KERNEL__NODE__PARAMS">6.10. CUDA_KERNEL_NODE_PARAMS</a></div> </li> <li> <div class="section-link"><a href="structCUDA__LAUNCH__PARAMS.html#structCUDA__LAUNCH__PARAMS">6.11. CUDA_LAUNCH_PARAMS</a></div> </li> <li> <div class="section-link"><a href="structCUDA__MEMCPY2D.html#structCUDA__MEMCPY2D">6.12. CUDA_MEMCPY2D</a></div> </li> <li> <div class="section-link"><a href="structCUDA__MEMCPY3D.html#structCUDA__MEMCPY3D">6.13. CUDA_MEMCPY3D</a></div> </li> <li> <div class="section-link"><a href="structCUDA__MEMCPY3D__PEER.html#structCUDA__MEMCPY3D__PEER">6.14. CUDA_MEMCPY3D_PEER</a></div> </li> <li> <div class="section-link"><a href="structCUDA__MEMSET__NODE__PARAMS.html#structCUDA__MEMSET__NODE__PARAMS">6.15. CUDA_MEMSET_NODE_PARAMS</a></div> </li> <li> <div class="section-link"><a href="structCUDA__POINTER__ATTRIBUTE__P2P__TOKENS.html#structCUDA__POINTER__ATTRIBUTE__P2P__TOKENS">6.16. CUDA_POINTER_ATTRIBUTE_P2P_TOKENS</a></div> </li> <li> <div class="section-link"><a href="structCUDA__RESOURCE__DESC.html#structCUDA__RESOURCE__DESC">6.17. CUDA_RESOURCE_DESC</a></div> </li> <li> <div class="section-link"><a href="structCUDA__RESOURCE__VIEW__DESC.html#structCUDA__RESOURCE__VIEW__DESC">6.18. CUDA_RESOURCE_VIEW_DESC</a></div> </li> <li> <div class="section-link"><a href="structCUDA__TEXTURE__DESC.html#structCUDA__TEXTURE__DESC">6.19. CUDA_TEXTURE_DESC</a></div> </li> <li> <div class="section-link"><a href="structCUdevprop.html#structCUdevprop">6.20. CUdevprop</a></div> </li> <li> <div class="section-link"><a href="structCUeglFrame.html#structCUeglFrame">6.21. CUeglFrame</a></div> </li> <li> <div class="section-link"><a href="structCUipcEventHandle.html#structCUipcEventHandle">6.22. CUipcEventHandle</a></div> </li> <li> <div class="section-link"><a href="structCUipcMemHandle.html#structCUipcMemHandle">6.23. CUipcMemHandle</a></div> </li> <li> <div class="section-link"><a href="unionCUstreamBatchMemOpParams.html#unionCUstreamBatchMemOpParams">6.24. CUstreamBatchMemOpParams</a></div> </li> </ul> </li> <li> <div class="section-link"><a href="functions.html#functions">7. Data Fields</a></div> </li> <li> <div class="section-link"><a href="deprecated.html#deprecated">8. Deprecated List</a></div> </li> <li> <div class="section-link"><a href="notices-header.html#notices-header">Notices</a></div> <ul></ul> </li> </ul> </nav> <div id="resize-nav"></div> <nav id="search-results"> <h2>Search Results</h2> <ol></ol> </nav> <div id="contents-container"> <div id="breadcrumbs-container"> <div id="breadcrumbs"><a href="structCUDA__EXTERNAL__SEMAPHORE__WAIT__PARAMS.html" shape="rect">< Previous</a> | <a href="structCUDA__KERNEL__NODE__PARAMS.html" shape="rect">Next ></a></div> <div id="release-info">CUDA Driver API (<a href="../../pdf/CUDA_Driver_API.pdf">PDF</a>) - v10.1.168 (<a href="https://developer.nvidia.com/cuda-toolkit-archive">older</a>) - Last updated April 24, 2019 - <a href="mailto:CUDAIssues@nvidia.com?subject=CUDA Toolkit Documentation Feedback: CUDA Driver API">Send Feedback</a></div> </div> <article id="contents"> <div class="topic reference apiRef apiClassifier cppClassifier cppStruct cppGlobalStruct" id="structCUDA__HOST__NODE__PARAMS"><a name="structCUDA__HOST__NODE__PARAMS" shape="rect"> <!-- --></a><h2 class="
 topictitle2 cppClass
 ">6.9. CUDA_HOST_NODE_PARAMS Struct Reference</h2> <h2>[<a class="xref xref apiRelation cppClassifierModule" href="group__CUDA__TYPES.html" shape="rect">Data types used by CUDA driver</a>] </h2> <div class="section"> <p>Host node parameters </p> </div> <h3 class="fake_sectiontitle member_header">Public Variables</h3> <dl class="members"> <dt><span class="member_type"><a href="group__CUDA__TYPES.html#group__CUDA__TYPES_1g262cd3570ff5d396db4e3dabede3c355" title="" shape="rect">CUhostFn</a> </span><span class="member_name"><a href="#structCUDA__HOST__NODE__PARAMS_1844e3ccc685d7d3888d5e9f46b54b59a" shape="rect">fn</a></span></dt> <dd class="shortdesc"><span></span><span class="desc"></span></dd> <dt><span class="member_type"> void * </span><span class="member_name"><a href="#structCUDA__HOST__NODE__PARAMS_1c88dd87c4486831968f56b243c2cc564" shape="rect">userData</a></span></dt> <dd class="shortdesc"><span></span><span class="desc"></span></dd> </dl> <div class="description"> <h3 class="sectiontitle">Variables</h3> <dl class="description"> <dt class="description"><a name="structCUDA__HOST__NODE__PARAMS_1844e3ccc685d7d3888d5e9f46b54b59a" id="structCUDA__HOST__NODE__PARAMS_1844e3ccc685d7d3888d5e9f46b54b59a" shape="rect"> <!-- --></a><span><a href="group__CUDA__TYPES.html#group__CUDA__TYPES_1g262cd3570ff5d396db4e3dabede3c355" title="" shape="rect">CUhostFn</a><a href="structCUDA__HOST__NODE__PARAMS.html#structCUDA__HOST__NODE__PARAMS" title="" shape="rect">CUDA_HOST_NODE_PARAMS</a>::<a href="structCUDA__HOST__NODE__PARAMS.html#structCUDA__HOST__NODE__PARAMS_1844e3ccc685d7d3888d5e9f46b54b59a" shape="rect">fn</a> [inherited] </span></dt> <dd class="description"> <div class="section"> <p> The function to call when the node executes </p> </div> </dd> <dt class="description"><a name="structCUDA__HOST__NODE__PARAMS_1c88dd87c4486831968f56b243c2cc564" id="structCUDA__HOST__NODE__PARAMS_1c88dd87c4486831968f56b243c2cc564" shape="rect"> <!-- --></a><span> void * <a href="structCUDA__HOST__NODE__PARAMS.html#structCUDA__HOST__NODE__PARAMS" title="" shape="rect">CUDA_HOST_NODE_PARAMS</a>::<a href="structCUDA__HOST__NODE__PARAMS.html#structCUDA__HOST__NODE__PARAMS_1c88dd87c4486831968f56b243c2cc564" shape="rect">userData</a> [inherited] </span></dt> <dd class="description"> <div class="section"> <p> Argument to pass to the function </p> </div> </dd> </dl> </div> </div> <hr id="contents-end"></hr> </article> </div> </div> <script language="JavaScript" type="text/javascript" charset="utf-8" src="../common/formatting/common.min.js"></script> <script language="JavaScript" type="text/javascript" charset="utf-8" src="../common/scripts/google-analytics/google-analytics-write.js"></script> <script language="JavaScript" type="text/javascript" charset="utf-8" src="../common/scripts/google-analytics/google-analytics-tracker.js"></script> <script type="text/javascript">var switchTo5x=true;</script><script type="text/javascript" src="http://w.sharethis.com/button/buttons.js"></script><script type="text/javascript">stLight.options({publisher: "998dc202-a267-4d8e-bce9-14debadb8d92", doNotHash: false, doNotCopy: false, hashAddressBar: false});</script><script type="text/javascript">_satellite.pageBottom();</script></body> </html>