Error -1001 in clGetPlatformIDs Call !

Question

I am trying to start working with OpenCL. I have two NVidia graphics card, I installed \"developer driver\" as well as SDK from NVidia website. I compiled the demos but when

Answer 1

Same problem for me on a Linux system. Solution is to add the user to the video group:

# sudo usermod -aG video your-user-name