spc_render.diff returns illegal memory access

[Hippogriff]

Running spc_render.diff returns

RuntimeError: CUDA error: an illegal memory access was encountered
CUDA kernel errors might be asynchronously reported at some other API call,so the stacktrace below might be incorrect.
For debugging consider passing CUDA_LAUNCH_BLOCKING=1.

[orperel]

Hi @Hippogriff , do you have a code snippet that reproduces this error?