Sad to break it to you, but...

I had LLMs write a pile of cuda-rust code and they were quite competent at it. Ported a bunch of (C++) CUDA kernels over, and ground away on them til they got equivalent performance

https://github.com/rdaum/eider/tree/main/backends/cuda-oxide

And mostly just DeepSeek 4.1 Flash, too. Not even a frontier model.

Sorry.

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