Why my CPU Intel does not show as available?
Hello to all, first time I am posting something here, I installed the SDK OpenCL intel. A simple question, I have a GPU AMD and Intel (R) Core (TM) i5-5200U CPU, I wanted to know why, when I run the...
View ArticleHow to update OpenCL drivers?
I am trying to update my OpenCL Drivers but i cannot find out how to do it. The https://software.intel.com/en-us/articles/opencl-drivers seems like the site to find them, but the SDK for windows does...
View ArticleOpenCL: no usable platforms with Ubuntu 14.04 and HD Graphics 5500
Hi all,After a fresh install of Ubuntu 14.04 + Intel OpenCL SDK 2016 R2 , I still cannot list any OpenCL platform. The clinfo command returns:I: ICD loader reports no usable platformsSetup details...
View Articleigfxdcd: failed to locate the system routine
Hi,After getting the i915 not OpenCL(ing) anymore yet again, I followed the last comment, so I re-installed the Intel Opencl driver, the Intel Opencl SDK and patched kernel and modules, the issue was...
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ioc64: simple kernel killed
Hi,A kernel which works perfectly well under Mali GPU, does not compile under Intel GPU.ioc64 -cmd=build -input=TestKernel.cl -device=gpu -ir=TestKernel.bin hangs and then operation is killed.If I...
View ArticleIs there any OpenCL 2.0 driver available for intel graphics?
Hi all,My goal is to enable OpenCL2.0 features on my Intel graphics (Intel® HD Graphics 510).After a fresh installation of intel-opencl-2.0-2.0-54425.tar.gz on my Ubuntu 14.04,finally the sample code...
View Articlehow to use 2 SIMD in EU
Gen8/9 has 2 SIMD in each EU. How can i specify to use 2 SIMD in openCL?thanks,Jeffrey
View Articlecannot start new session on Eclipse Neon
Hello,The first time I tried OpenCL on Eclipse it worked fine but the next time I opened the program the tool bar was grey (I could not select any target machine, platform or device) and I cannot start...
View Articlesome questions about the OpenCL Video Motion Estimation Sample
when running the code sample ,i get the pictures overlaid the motion vector ( get the same result ashttps://software.intel.com/en-us/articles/intro-to-motion-estimation-ext... at the end of the website...
View ArticleDifference in Kernel launch latencies of CPU and GPU devices
HelloI am testing the kernel launch latencies of the CPU and GPU by timing EnqueueNDRangeKernel on a blank kernel (but with arguments). I found the CPU consistently takes about 150us while the GPU much...
View ArticleIssues running OpenCL on Intel NUC5i5RYK with Centos 7.2
I tried to use OpenCL on a Intel NUC5i5RYK kit withCPU: Intel(R) Core(TM) i5-5250U CPU @ 1.60GHzGPU: Intel Corporation Broadwell-U Integrated Graphics [8086:1626] (rev 09)BIOS: RYBDWi35.86A.0359.EBOS:...
View ArticleHow can I get Debug Symbol file for an application (Eg: matrix...
Hi, I have downloaded few application such as matrix multiplication form the code samples given in this site. I am trying to trace the function calls of those applications using perf. perf is...
View ArticleHow to install Intel OpenCL SDK to use it on Visual Studio Community 2015
Hello,I am trying to compile a simple example to learn how OpenCL works and I don't know how to install the SDK to have it available on Visual Studio Community 2015. I already downloaded the Intel...
View ArticleIntel intel-opencl-r3.0 (SRB3) Linux and sdk for OpenCL 2016 R2
Hi,Will the sdk for OpenCL 2016 R2 work with the new Intel opencl-r3.0 linux driver under both ubuntu 14.04 kernel 4.7 and ubuntu 16.04 kernel 4.7?Thanks
View ArticleInstall OpenCL Eclipse plugin on Eclipse Neon
Hi, I'm trying to install the Intel OpenCL plugin on Eclipse Neon.I'm using Kubuntu 16.04, the driver work fine, but I need a debugger....Zone: Code for Good
View ArticleUnable to compile openCL kernel for Xeon Phi: LLVM ERROR
HelloWhen trying to compile a very simple OpenCL kernel.cl on a MIC device, I get the following error: LLVM ERROR: Non implemented constant typeApparently, the source of the problem is the static...
View ArticleError MSB3721
I've got some problem with my __kernel. I tried use my custom types.typedef struct my_srtuct my_struct_t; struct my_struct { /* some fields... */ };And tried to transfer same type from the host, so I...
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Could you please escalate the memory leak issue I'm having?
Hi,From the issue: [NOT SOLVED] ioc64: simple kernel killed.I upgraded to Ubuntu 16.04, patched kernel 4.7 and Intel driver r3.0, but the memory leak issue persists, the kernel still does not compile....
View ArticleOptimizing a Matrix-Vector multiplication kernel
Hi all,I am trying to optimize a Matrix-vector multiplication kernel for an Intel CPU-GPU system. I know that gemv/BLAS-2 is memory bound but I want to obtain the best performance possible. Here's the...
View ArticleHow to protect OpenCL kernel code?
I use OpenCL for integrated GPU. Everything is ready, except how to protect kernel code. I know this is an old topic. I have tried to translate the kernel code to SPIR code. but anybody can...
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