CUDA C++ is technically its own language, which is mostly implemented using a preprocessor; nvcc performs some translation and then passes generated C++ to your

CUDA C++ is technically its own language, which is mostly implemented using a preprocessor; nvcc performs some translation and then passes generated C++ to your compiler of choice. The kernel launch syntax, along with a few implicit includes and macros for __device__ and __global__ are (afaik) the only things that really distinguish it from vanilla C++.