> their own custom stack to interact with GPUs lol completely made up. are you conflating CUDA the platform with the C/C++ like language that people write int

> their own custom stack to interact with GPUs lol completely made up. are you conflating CUDA the platform with the C/C++ like language that people write into files that end with .cu? because while some people are indeed not writing .cu files, absolutely no one is skipping the rest of the "stack" (nvcc/ptx/sass/runtime/driver/etc). source: i work at one of these "mega corps". hell if you don't believe me go look at how many CUDA kernels pytorch has https://github.com/pytorch/pytorch/tree/main/aten/src/ATen/native/cuda https://github.com/pytorch/pytorch/tree/main/aten/src/ATen/n.... > Everybody thinks it’s CUDA that makes Nvidia the dominant player. it 100% does