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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...

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How 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...

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OpenCL: 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...

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igfxdcd: 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...

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Is 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...

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how 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 

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cannot 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...

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some 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...

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Difference 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...

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Issues 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:...

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How 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...

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How 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...

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Intel 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

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Install 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

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Unable 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...

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Error 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....

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Optimizing 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...

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How 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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