thanks! that did it, works now. Makefile had "sm_60" arch flag while my card is sm_50.
3 karma · joined November 6, 2018
[weeb@neet ~/repo/raytracinginoneweekendincuda (ch01_output_cuda)]
$ ./cudart
Rendering a 1200x600 image in 8x8 blocks. CUDA error = 48 at main.cu:48 'cudaGetLastError()'