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to a new laptop and having lots of problems getting CUDA 7.5 code to work. New laptop is an Alienware 17 with a mobile GeForce GTX 1080 graphics card. Unfortunately the current install of CUDA 8.0 does not support this card, and using the laptop’s existing driver did not work with Visual Studio NSight (you could run but not debug the kernels). The Dell/Alienware drivers and latest NVidia drivers do not recognise the 1080 card either, so my only way to get a newer versio..." /> <meta name="twitter:description" content="Hi, I’ve just migrated to a new laptop and having lots of problems getting CUDA 7.5 code to work. New laptop is an Alienware 17 with a mobile GeForce GTX 1080 graphics card. Unfortunately the current install of CUDA 8.0 does not support this card, and using the laptop’s existing driver did not work with Visual Studio NSight (you could run but not debug the kernels). The Dell/Alienware drivers and latest NVidia drivers do not recognise the 1080 card either, so my only way to get a newer versio..." /> <meta property="og:article:section" content="Accelerated Computing" /> <meta property="og:article:section:color" content="76B900" /> <meta property="og:article:section" content="CUDA" /> <meta property="og:article:section:color" content="76B900" /> <meta property="og:article:section" content="CUDA Setup and Installation" /> <meta property="og:article:section:color" content="76B900" /> <meta property="article:published_time" content="2016-12-07T14:42:32+00:00" /> <meta property="og:ignore_canonical" content="true" /> <script type="application/ld+json">{"@context":"http://schema.org","@type":"QAPage","name":"GTX 1080M / CUDA 8.0","mainEntity":{"@type":"Question","name":"GTX 1080M / CUDA 8.0","text":"Hi,\n\nI’ve just migrated to a new laptop and having lots of problems getting CUDA 7.5 code to work. New laptop is an Alienware 17 with a mobile GeForce GTX 1080 graphics card. Unfortunately the current install of CUDA 8.0 does not support this card, and using the laptop’s existing driver did not wor…","upvoteCount":0,"answerCount":0,"datePublished":"2016-12-07T14:42:32.000Z","author":{"@type":"Person","name":"John_Smith_Lon","url":"https://forums.developer.nvidia.com/u/John_Smith_Lon"}}}</script> </head> <body class="crawler browser-update"> <header> <a href="/"> NVIDIA Developer Forums </a> </header> <div id="main-outlet" class="wrap" role="main"> <div id="topic-title"> <h1> <a href="/t/gtx-1080m-cuda-8-0/46640">GTX 1080M / CUDA 8.0</a> </h1> <div class="topic-category" itemscope itemtype="http://schema.org/BreadcrumbList"> <span itemprop="itemListElement" itemscope itemtype="http://schema.org/ListItem"> <a href="/c/accelerated-computing/cuda/cuda-setup-and-installation/8" class="badge-wrapper bullet" itemprop="item"> <span class='badge-category-bg' style='background-color: #76B900'></span> <span class='badge-category clear-badge'> <span class='category-name' itemprop='name'>Accelerated Computing</span> </span> </a> <meta itemprop="position" content="1" /> </span> <span itemprop="itemListElement" itemscope itemtype="http://schema.org/ListItem"> <a href="/c/accelerated-computing/cuda/cuda-setup-and-installation/8" class="badge-wrapper bullet" itemprop="item"> <span class='badge-category-bg' style='background-color: #76B900'></span> <span class='badge-category clear-badge'> <span class='category-name' itemprop='name'>CUDA</span> </span> </a> <meta itemprop="position" content="2" /> </span> <span itemprop="itemListElement" itemscope itemtype="http://schema.org/ListItem"> <a href="/c/accelerated-computing/cuda/cuda-setup-and-installation/8" class="badge-wrapper bullet" itemprop="item"> <span class='badge-category-bg' style='background-color: #76B900'></span> <span class='badge-category clear-badge'> <span class='category-name' itemprop='name'>CUDA Setup and Installation</span> </span> </a> <meta itemprop="position" content="3" /> </span> </div> </div> <div itemscope itemtype='http://schema.org/DiscussionForumPosting'> <meta itemprop='headline' content='GTX 1080M / CUDA 8.0'> <link itemprop='url' href='https://forums.developer.nvidia.com/t/gtx-1080m-cuda-8-0/46640'> <meta itemprop='datePublished' content='2016-12-07T14:42:32Z'> <meta itemprop='articleSection' content='CUDA Setup and Installation'> <meta itemprop='keywords' content=''> <div itemprop='publisher' itemscope itemtype="http://schema.org/Organization"> <meta itemprop='name' content='NVIDIA'> <div itemprop='logo' itemscope itemtype="http://schema.org/ImageObject"> <meta itemprop='url' content='https://global.discourse-cdn.com/nvidia/original/3X/a/1/a1ef6e0c1fbd3fad5bf82538b78dfaa9c5fa1a61.png'> </div> </div> <div id='post_1' class='topic-body crawler-post'> <div class='crawler-post-meta'> <span class="creator" itemprop="author" itemscope itemtype="http://schema.org/Person"> <a itemprop="url" rel='nofollow' href='https://forums.developer.nvidia.com/u/John_Smith_Lon'><span itemprop='name'>John_Smith_Lon</span></a> </span> <link itemprop="mainEntityOfPage" href="https://forums.developer.nvidia.com/t/gtx-1080m-cuda-8-0/46640"> <span class="crawler-post-infos"> <time datetime='2016-12-07T14:42:32Z' class='post-time'> December 7, 2016, 2:42pm </time> <meta itemprop='dateModified' content='2016-12-07T14:42:32Z'> <span itemprop='position'>1</span> </span> </div> <div class='post' itemprop='text'> <p>Hi,</p> <p>I’ve just migrated to a new laptop and having lots of problems getting CUDA 7.5 code to work. New laptop is an Alienware 17 with a mobile GeForce GTX 1080 graphics card. Unfortunately the current install of CUDA 8.0 does not support this card, and using the laptop’s existing driver did not work with Visual Studio NSight (you could run but not debug the kernels).</p> <p>The Dell/Alienware drivers and latest NVidia drivers do not recognise the 1080 card either, so my only way to get a newer version of the driver was to amend an Acer 1080M laptop driver within the latest NVidia driver (376.09 mobile) so that the hardware ID to match the device in my machine (PCI\VEN_10DE&DEV_1BE0&SUBSYS_07C21028). This seemed to work but I’ve found some problems still with debugging CUDA code. E.g. the following sample crashes with the error “Internal debugger error occurred while attempting to launch _Z12setup_kernelP19curandStateMRG32k3am in CUcontext 0x1c7444bf190, CUmodule 0x1c751a7d7c0:<br> code patching failed for unknown reason.” This code works fine on my other machine. Other CUDA code seems to debug okay, but this Curand code is not happy with the new setup.</p> <p>Does anyone have ideas on how to make CUDA work on the mobile GTX 1080 chipset?</p> <p>Many thanks</p> <p><a class="hashtag" href="/tag/include">#<span>include</span></a> “cuda_runtime.h”<br> <a class="hashtag" href="/tag/include">#<span>include</span></a> “curand_kernel.h”<br> <a class="hashtag" href="/tag/include">#<span>include</span></a> <stdio.h></p> <p>inline void __getLastCudaError(const char *errorMessage, const char *file, const int line)<br> {<br> cudaError_t err = cudaGetLastError();</p> <pre><code>if (cudaSuccess != err) { fprintf(stderr, "%s(%i) : getLastCudaError() CUDA error : %s : (%d) %s.\n", file, line, errorMessage, (int)err, cudaGetErrorString(err)); cudaDeviceReset(); exit(EXIT_FAILURE); } </code></pre> <p>}<br> // This will output the proper error string when calling cudaGetLastError<br> <a class="hashtag" href="/tag/define">#<span>define</span></a> getLastCudaError(msg) __getLastCudaError (msg, <strong>FILE</strong>, <strong>LINE</strong>)</p> <p><strong>global</strong> void setup_kernel(curandStateMRG32k3a * state, unsigned long seed)<br> {<br> const unsigned tid = threadIdx.x;<br> const unsigned bid = blockIdx.x;<br> const unsigned bsz = blockDim.x;<br> int index = tid + bid * bsz;<br> curand_init(seed, index, 0, &state[index]);<br> }</p> <p>int main()<br> {<br> int minNumSims = 10000;<br> const unsigned BLOCK_SIZE = 256; // this is number of threads per block<br> const unsigned GRID_SIZE = (const unsigned)ceil(float(minNumSims) / float(BLOCK_SIZE));</p> <pre><code>curandStateMRG32k3a *devStates; cudaError_t err = cudaMalloc((void **)&devStates, BLOCK_SIZE * GRID_SIZE * sizeof(curandStateMRG32k3a)); setup_kernel <<< GRID_SIZE, BLOCK_SIZE >>> (devStates, 1); getLastCudaError("rngSetupStates kernel failed.\n"); err = cudaDeviceSynchronize(); </code></pre> <p>}</p> </div> <div itemprop="interactionStatistic" itemscope itemtype="http://schema.org/InteractionCounter"> <meta itemprop="interactionType" content="http://schema.org/LikeAction"/> <meta itemprop="userInteractionCount" content="0" /> <span class='post-likes'></span> </div> </div> <div id='post_2' itemprop='comment' itemscope itemtype='http://schema.org/Comment' class='topic-body crawler-post'> <div class='crawler-post-meta'> <span class="creator" itemprop="author" itemscope itemtype="http://schema.org/Person"> <a itemprop="url" rel='nofollow' href='https://forums.developer.nvidia.com/u/Robert_Crovella'><span itemprop='name'>Robert_Crovella</span></a> </span> <span class="crawler-post-infos"> <time itemprop='datePublished' datetime='2016-12-07T16:52:12Z' class='post-time'> December 7, 2016, 4:52pm </time> <meta itemprop='dateModified' content='2016-12-07T16:52:12Z'> <span itemprop='position'>2</span> </span> </div> <div class='post' itemprop='text'> <p>curand code does not work correctly from CUDA 7.5 on the pascal gpus because the curand 7.5 libraries were inadvertently compiled without PTX, which would allow them to be used on pascal devices.</p> <p>The recommended path is to use CUDA 8 on that laptop, and retain the existing GPU driver that came with the laptop. That driver will work with CUDA 8, you just need to deselect the option to install the driver that comes with the CUDA 8 installer.</p> <p>Regarding the nsight VSE incompatibility, I’m not aware of that, but you can probably update your nsight VSE version to the latest after installing CUDA 8.</p> </div> <div itemprop="interactionStatistic" itemscope itemtype="http://schema.org/InteractionCounter"> <meta itemprop="interactionType" content="http://schema.org/LikeAction"/> <meta itemprop="userInteractionCount" content="0" /> <span class='post-likes'></span> </div> </div> <div id='post_3' itemprop='comment' itemscope itemtype='http://schema.org/Comment' class='topic-body crawler-post'> <div class='crawler-post-meta'> <span class="creator" itemprop="author" itemscope itemtype="http://schema.org/Person"> <a itemprop="url" rel='nofollow' href='https://forums.developer.nvidia.com/u/John_Smith_Lon'><span itemprop='name'>John_Smith_Lon</span></a> </span> <span class="crawler-post-infos"> <time itemprop='datePublished' datetime='2016-12-07T16:57:25Z' class='post-time'> December 7, 2016, 4:57pm </time> <meta itemprop='dateModified' content='2016-12-07T16:57:25Z'> <span itemprop='position'>3</span> </span> </div> <div class='post' itemprop='text'> <p>Thanks for coming back to me. I tried the recommended path but could not get nsight to work with the existing GPU driver - I also tried getting the latest nsight version (v5.2) but this made no difference - breakpoints in code are ignored. Using a more recent (but appropriate for my laptop) NVidia driver fixes the breakpoints, but causes other problems.</p> </div> <div itemprop="interactionStatistic" itemscope itemtype="http://schema.org/InteractionCounter"> <meta itemprop="interactionType" content="http://schema.org/LikeAction"/> <meta itemprop="userInteractionCount" content="0" /> <span class='post-likes'></span> </div> </div> <div id='post_4' itemprop='comment' itemscope itemtype='http://schema.org/Comment' class='topic-body crawler-post'> <div class='crawler-post-meta'> <span class="creator" itemprop="author" itemscope itemtype="http://schema.org/Person"> <a itemprop="url" rel='nofollow' href='https://forums.developer.nvidia.com/u/Robert_Crovella'><span itemprop='name'>Robert_Crovella</span></a> </span> <span class="crawler-post-infos"> <time itemprop='datePublished' datetime='2016-12-07T17:52:09Z' class='post-time'> December 7, 2016, 5:52pm </time> <meta itemprop='dateModified' content='2016-12-07T17:52:09Z'> <span itemprop='position'>4</span> </span> </div> <div class='post' itemprop='text'> <p>This driver:</p> <p>[url]<a href="http://www.nvidia.com/download/driverResults.aspx/112197/en-us%5B/url%5D">http://www.nvidia.com/download/driverResults.aspx/112197/en-us[/url]</a></p> <p>does not recognize your notebook GPU ?</p> </div> <div itemprop="interactionStatistic" itemscope itemtype="http://schema.org/InteractionCounter"> <meta itemprop="interactionType" content="http://schema.org/LikeAction"/> <meta itemprop="userInteractionCount" content="0" /> <span class='post-likes'></span> </div> </div> <div id='post_5' itemprop='comment' itemscope itemtype='http://schema.org/Comment' class='topic-body crawler-post'> <div class='crawler-post-meta'> <span class="creator" itemprop="author" itemscope itemtype="http://schema.org/Person"> <a itemprop="url" rel='nofollow' href='https://forums.developer.nvidia.com/u/John_Smith_Lon'><span itemprop='name'>John_Smith_Lon</span></a> </span> <span class="crawler-post-infos"> <time itemprop='datePublished' datetime='2016-12-07T18:57:51Z' class='post-time'> December 7, 2016, 6:57pm </time> <meta itemprop='dateModified' content='2016-12-07T18:57:51Z'> <span itemprop='position'>5</span> </span> </div> <div class='post' itemprop='text'> <p>Ok it’s solved - you have to use the latest nvidia desktop driver for the Alienware 17 laptop… Thanks everyone.</p> </div> <div itemprop="interactionStatistic" itemscope itemtype="http://schema.org/InteractionCounter"> <meta itemprop="interactionType" content="http://schema.org/LikeAction"/> <meta itemprop="userInteractionCount" content="0" /> <span class='post-likes'></span> </div> </div> <div id='post_6' itemprop='comment' itemscope itemtype='http://schema.org/Comment' class='topic-body crawler-post'> <div class='crawler-post-meta'> <span class="creator" itemprop="author" itemscope itemtype="http://schema.org/Person"> <a itemprop="url" rel='nofollow' href='https://forums.developer.nvidia.com/u/naveenahbeechoo'><span itemprop='name'>naveenahbeechoo</span></a> </span> <span class="crawler-post-infos"> <time itemprop='datePublished' datetime='2024-11-24T08:21:59Z' class='post-time'> November 24, 2024, 8:21am </time> <meta itemprop='dateModified' content='2024-11-24T08:21:59Z'> <span itemprop='position'>6</span> </span> </div> <div class='post' itemprop='text'> <p>Hi All<br> I am looking of a GTX1080 for my laptop, any help will be highly appreciated</p> </div> <div itemprop="interactionStatistic" itemscope itemtype="http://schema.org/InteractionCounter"> <meta itemprop="interactionType" content="http://schema.org/LikeAction"/> <meta itemprop="userInteractionCount" content="0" /> <span class='post-likes'></span> </div> </div> </div> <div id="related-topics" class="more-topics__list " role="complementary" aria-labelledby="related-topics-title"> <h3 id="related-topics-title" class="more-topics__list-title"> Related topics </h3> <div 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