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amanusk
Asked: 2016-11-17 14:42:54 +0800 CST

OpenCL On ubuntu 16.04, Intel Sandy Bridge CPU

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Is it possible to install openCL on 16.04 (CPU-Only)? I tried many guides, but still do not get a working box. I have a sandy-bridge second gen CPU, if this matters.

16.04

3 Answers

  1. Best Answer

    install packets

    Generic ubuntu packages for OpenCL

    Basic installation sudo apt install ocl-icd-libopencl1 sudo apt install opencl-headers sudo apt install clinfo

    Package that allows to compile OpenCL code (1.2 I think)

    Needed to link and compile sudo apt install ocl-icd-opencl-dev

    For Intel GT core

    Package that enables runnig openCL on Intel GT, IvyBridge and up

    sudo apt install beignet

    For SandyBridge Intel CPU and possible others

    Download this file OpenCL™ Runtime 16.1.1 for Intel® Core™ and Intel® Xeon® Processors for Ubuntu* (64-bit) On https://software.intel.com/en-us/articles/opencl-drivers#latest_linux_SDK_release

    Install packages for turning rpm to deb sudo apt-get install -y rpm alien libnuma1

    Untar downloaded file tar -xvf opencl_runtime_16.1.1_x64_ubuntu_6.4.0.25.tgz cd opencl_runtime_16.1.1_x64_ubuntu_6.4.0.25/rpm/ Turn rpm files to deb fakeroot alien --to-deb opencl-1.2-base-6.4.0.25-1.x86_64.rpm fakeroot alien --to-deb opencl-1.2-intel-cpu-6.4.0.25-1.x86_64.rpm Install .deb packages sudo dpkg -i opencl-1.2-base_6.4.0.25-2_amd64.deb sudo dpkg -i opencl-1.2-intel-cpu_6.4.0.25-2_amd64.deb Touch local config file sudo touch /etc/ld.so.conf.d/intelOpenCL.conf Open the file sudo vim /etc/ld.so.conf.d/intelOpenCL.conf and add the line

    /opt/intel/opencl-1.2-6.4.0.25/lib64/clinfo

    Create a vendors dir and add intel.icd sudo mkdir -p /etc/OpenCL/vendors sudo ln /opt/intel/opencl-1.2-6.4.0.25/etc/intel64.icd /etc/OpenCL/vendors/intel64.icd sudo ldconfig

    test if this worked

    Command to list your devices clinfo

    Dowload this file

    https://codeload.github.com/hpc12/tools/tar.gz/master

    Run this code to make sure everything works tar xzvf tools-master.tar.gz cd tools-master make ./print-devices ./cl-demo 1000 10 This should print out GOOD in the end

    For Nvidia

    install nvidia drivers (I used 370), this should include all the runtime dirvers

    Usefull linkes I have used to put this together

    https://wiki.tiker.net/OpenCLHowTo http://korniychuk.org.ua/instruction/how-to-use-opencl-on-ubuntu-16-04/ https://laanwj.github.io/2016/05/06/opencl-ubuntu1604.html https://software.intel.com/en-us/articles/opencl-drivers#latest_linux_SDK_release https://software.intel.com/en-us/forums/opencl/topic/285869 https://streamcomputing.eu/blog/2011-06-24/install-opencl-on-debianubuntu-orderly/ https://software.intel.com/en-us/forums/opencl/topic/390630 https://stackoverflow.com/questions/16977216/opencl-compile-on-linux

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  2. As per Intel's support site, OpenCL is not supported on 2nd gen (Sandy Bridge) Core processors.

    You will need a 3rd gen (Ivy Bridge) or newer CPU to use OpenCL 1.2, or a 7th gen (Kaby Lake) to have the option to use OpenCL 2.0 with the Intel GPU (I am not sure what is currently supported in the drivers available for Linux).

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  3. OpenCL is packaged in Ubuntu/Debian, so rather than manually installing, one could try installing the following packages:

    sudo apt-get install beignet-opencl-icd ocl-icd-libopencl1 clinfo

    Then run clinfo to make sure that it detects your OpenCL platforms and devices.

    $ clinfo

Number of platforms                               1
  Platform Name                                   Intel Gen OCL Driver
  Platform Vendor                                 Intel
  Platform Version                                OpenCL 2.0 beignet 1.3
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