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矩池云上nvidia opencl安装及测试教程

matpool
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本教程租用的是2080ti,3.7多框架镜像。

添加nvidia-cuda的阿里源


curl -fsSL https://mirrors.aliyun.com/nvidia-cuda/ubuntu1804/x86_64/7fa2af80.pub | apt-key add -
echo "deb https://mirrors.aliyun.com/nvidia-cuda/ubuntu1804/x86_64/ /" > /etc/apt/sources.list.d/cuda.list
apt update

安装nvidia opencl


apt search nvidia-opencl


 apt-get install nvidia-opencl-dev

创建链接

mkdir -p /etc/OpenCL/vendors/
cd /etc/OpenCL/vendors
ls


vim nvidia.icd

在nvidia.icd填入以下链接

/usr/lib/x86_64-linux-gnu/libnvidia-opencl.so.1


验证释放正确链接

cat nvidia.icd
ll /usr/lib/x86_64-linux-gnu/libnvidia-opencl.so.1


测试opencl

clGetPlatformIDs.c 内容

#include <stdio.h>
#include <CL/opencl.h>

int main(int argc, char **argv)
{
    int status;
    cl_uint n_platform;

    status = clGetPlatformIDs(0, NULL, &n_platform);

     if(status != CL_SUCCESS)
    {
    fprintf(stderr, "no platforms %d\n", status);
    return -1;
    } else
    {
    fprintf(stderr, "number of CL platforms %d\n", n_platform);
    return 0;
    }
}

进入解决,我这里的文件夹是22,大家按照自己习惯来即可

cd /22
ls
gcc clGetPlatformIDs.c -lOpenCL -o main
chmod +x main
./main 


出现number of CL platforms 1,安装及测试就完成了

参考文章

Install OpenCL on Ubuntu 14.04 and Nvidia

Ubuntu 18.10 with Nvidia 410: OpenCL not working anymore (clinfo: 0 platforms)

Opencl clGetPlatformIDs error -1001

OpenCL crashes on call to clGetPlatformIDs

ERROR: clGetPlatformIDs -1001 when running OpenCL code (Linux)

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