[slavik81]

Compiler Explorer does have GPU options, actually. It has well-established CUDA support and I have been meaning to help add HIP support.

[dahart]

Oh sweet, I missed it then! Where do you go to switch to CUDA?

[masklinn]

In the language tab, you can just select "CUDA C++" (or OpenCL C for that matter) instead of C++ or Rust.